CN103181663A - Combined walking pole - Google Patents

Abstract

The present invention relates to hybrid walking poles. The hybrid walking pole includes a tubular member, a rod member, an operating rod, a plurality of struts, and a plurality of struts. A rod member is positioned within the tubular member with a portion of the rod member extending through the open end of the tubular member. The rod member is also configured to be movable within the tubular member between a retracted position and an extended position. The operating rod protrudes from one side of the rod member and extends through the opening in the side wall of the tubular member. The operating lever is configured to move the lever member between a retracted position and an extended position. A strut is pivotally coupled to the tubular member. Braces connect each strut to a rod member. Moving the rod members to the retracted position causes the struts to be substantially parallel to the rod members, while moving the rod members to the extended position causes the struts to be substantially perpendicular to the rod members with the bottom end of each strut flush with the bottom end of the rod members. The lever and opening of the tubular member are configured to lock the lever member in one of the retracted position and the extended position.

Description

hybrid walking stick

technical field

The present invention relates to hybrid walking poles. More specifically, the present invention relates to hybrid walking poles with additional support structures. Still more specifically, the present invention relates to hybrid walking poles having additional support structures that can be actuated and locked in place when required.

Background technique

There are many people with diseases or infirmities that prevent movement. Often, these individuals require medical aids, such as crutches, canes, walkers, etc., to assist with walking and other tasks. Such medical aids typically comprise a single vertical post or rod with a handle at one end and a stop at the other end. While such medical aids allow a person to move easily, some users may require or prefer additional support structures for better balanced support. In order to solve this problem, those skilled in the art have devised a tripod structure fixed to the bottom end of the pole. A tripod provides additional support and stability. However, the tripod structure hinders the user and prevents the user from moving easily.

Accordingly, those skilled in the art are continually striving to design improved walking poles that allow the ailing and/or infirm to easily maneuver while walking, and yet provide additional support and stability when required.

Contents of the invention

The above and other problems are solved and an advancement in the art is achieved by means of a hybrid walking pole according to the present invention. A first advantage of the hybrid walking pole according to the invention is that the hybrid walking pole can be used as a single pole walking pole or as a multi-support walking pole. A second advantage of the hybrid walking pole according to the invention is that the additional support structure provides additional strength to the hybrid walking pole. A third advantage of the hybrid walking pole according to the invention is that the hybrid walking pole can be switched between a single-bar walking pole and a multi-support walking pole by pressing and pushing operations. A fourth advantage of the hybrid walking pole according to the present invention is that the hybrid walking pole provides the user with an additional support structure that gives better support and stability while utilizing a hybrid walking pole with a single upright that allows the user to easily maneuver. Freedom of choice to choose between a mix of walking poles.

According to an embodiment of the present invention, a hybrid walking pole is constructed in the following manner. The hybrid walking pole includes a tubular member, a rod member, an operating rod, a plurality of struts, and a plurality of struts. The tubular member has an open end and an opening defined in a sidewall of the tubular member. The rod member is received within the tubular member with a portion of the rod member extending through the open end of the tubular member. The rod member is configured to be movable within the tubular member between a retracted position and an extended position. The operating rod protrudes from one side of the rod member and extends through the opening of the tubular member for moving the rod member between the retracted position and the extended position. The strut is pivotally coupled to the tubular member. The struts connect each strut to the rod member. Each strut has a first end pivotally connected to one of the struts and a second end pivotally connected to a portion of the rod member extending through the open end of the tubular member. end. The rod member, the strut, the strut are arranged such that: in response to the rod member being in the retracted position, the strut is substantially parallel to the rod member; and in response to the rod member being in In the extended position, the struts are substantially perpendicular to the rod members and the bottom end of each strut is flush with the bottom end of the rod members. The lever and the opening of the tubular member are configured to lock the lever member in one of the retracted position and the extended position.

According to an embodiment of the invention, said opening defined in said side wall of said tubular member has a first end, a second end and an elongate portion connecting said first end and said second end. According to some of these embodiments, the lever is located at the second end of the opening when in the retracted position, and the lever is located at the second end of the opening when in the extended position. first end. .

According to an embodiment of the invention, said hybrid walking pole further comprises elastic means for biasing said rod member towards said retracted position. According to some of these embodiments, the operating lever includes an elastic member, a tapered portion, and a base portion between the elastic member and the tapered portion. This assists the user in easily, effortlessly and efficiently retracting the lever member from the extended position to the retracted position by simply applying pressure on the operating lever. According to some of these embodiments, the base portion includes a pair of stoppers for securing the operating lever to the lever member.

According to an embodiment of the invention, said lever member is unlocked when said tapered portion of said operating lever is aligned with said side wall of said tubular member. According to some of these embodiments, the lever member is locked when the base portion of the operating lever is aligned with the side wall of the tubular member.

According to an embodiment of the invention, said hybrid walking pole comprises a knob connected to said tapered portion of said operating rod. The knob is provided as a handle or handle to allow the user to move the joystick. According to some of these embodiments, a handle is provided protruding from the opposite end of the open end of the tubular member.

According to an embodiment of the invention, the hybrid walking pole comprises a first pivotal attachment member, a second pivotal attachment member and a third pivotal attachment member. The first pivotal attachment member is attached to the lever member. Also, each first pivotal attachment member is adapted to pivotally connect the top end of each strut to said tubular member. The second pivotal attachment member is attached to the tubular member. Also, each second pivotal attachment member is adapted to pivotally connect said second end of each strut to said rod member. The third pivotal attachment member is attached to each strut. Also, each third pivotal attachment member is adapted to pivotally connect each strut to each strut.

According to an embodiment of the invention, each strut is evenly spaced from each other about a common axis of said tubular member. According to some of these embodiments, at least three struts are provided.

Description of drawings

The above and other features and advantages according to the present invention are described in the following detailed description and illustrated in the following drawings:

Figure 1 shows a perspective view of a hybrid walking pole according to an embodiment of the invention;

Figure 2 shows an expanded view of a bottom support structure according to an embodiment of the present invention;

Figure 3 shows a side view of the operating lever and a front view of the opening on the tubular member according to an embodiment of the invention;

Figure 4 shows the operation of the joystick according to an embodiment of the present invention;

Figure 5 shows a side view of a strut coupled to a tubular member and a rod member according to an embodiment of the invention;

Figure 6 shows a front view of a strut according to an embodiment of the invention;

Figure 7 shows a perspective view of the bottom support structure in a deployed mode according to an embodiment of the invention;

Figure 8 shows a perspective view of the bottom support structure changing from a deployed mode to a retracted mode in accordance with an embodiment of the present invention;

Figure 9 shows a front view of a hybrid walking pole in deployed operation according to an embodiment of the present invention;

Figure 10 shows a cross-sectional view through the X-X plane of Figure 9 according to an embodiment of the invention;

Figure 11 shows a front view of a hybrid walking pole in folded operation according to an embodiment of the invention; and

Fig. 12 shows a cross-sectional view through the Y-Y plane of Fig. 11 according to an embodiment of the present invention.

Detailed ways

The present invention relates to hybrid walking poles. More specifically, the present invention relates to hybrid walking poles with additional support structures. Still more specifically, the present invention relates to hybrid walking poles having additional support structures that can be activated when needed.

Figure 1 shows an embodiment of a hybrid walking pole 100 according to an embodiment of the invention. The hybrid walking pole 100 includes: a tubular member 120 that serves as a base to connect the various components of the hybrid walking pole; a handle 110 ; and a bottom support structure 200 . An extension rod 115 may be included between the tubular member 120 and the handle 110 . The extension rod 115 is insertable through the top open end 124 of the tubular member 120 and is movable relative to the tubular member 120 . The extension rod 115 includes a protrusion 118 adapted to be inserted into either hole 117 to adjust the handle 110 to a selected height. This allows the user to adjust the hybrid walking pole 120 to an appropriate length. The tubular member 120 also includes a slot 170 that allows the lever 260 to move between the extended position and the retracted position. The bottom support structure 200 will be further described below. Although the cross-section of the tubular member 120 shown in the figures is circular, those skilled in the art will recognize that the tubular member 120 can be any hollow structure having any other geometric shape, and the exact configuration is left to those skilled in the art. design choices.

FIG. 2 shows the base support structure 200 in a deployed operation when the lever 260 is in the extended position. As shown in Figure 2, the bottom support structure 200 is intended to provide additional support and stability to the user. Furthermore, the bottom support structure 200 also provides additional strength to the hybrid walking pole 100 and allows the hybrid walking pole 100 to stand freely when the bottom support structure 200 is in the deployed operation.

The bottom support structure 200 includes rod members 210 , struts 240 and struts 250 . A rod member 210 is positioned within the tubular member 120 with a portion of the rod member 210 extending through the bottom open end 122 of the tubular member 120 . The rod member 210 is movable relative to the tubular member 120 . Movement of the rod member 210 within the tubular member 120 changes the amount of the portion of the rod member 210 that protrudes beyond the bottom open end 122 to change the position of the struts 240 and struts 250 as described below. In order to provide better support and strength, the rod member 210 is a unitary solid rod made of metallic material. However, those skilled in the art will recognize that the rod member 210 may also be made of materials other than metal, so long as the material is sufficiently stiff to provide support and strength to the hybrid walking pole. Furthermore, instead of a solid rod, the structure of the rod member 210 could also be hollow without departing from the invention.

The operating lever 260 is coupled to the lever member 210 . More details of the operating lever 260 and the operation of the operating lever 260 will be described below with reference to FIGS. 3 and 4 .

Each strut 240 is pivotally connected to the first bracket 230 . The first bracket 230 is fixed to or integrally formed with the side wall of the tubular member 120 near the bottom open end 122 . The struts 240 are preferably equally spaced from one another about the tubular member 120 . The first bracket 230 includes a plurality of first pivotal attachment members 232 for allowing each strut 240 to be pivotally connected to the first bracket 230 . Those skilled in the art will appreciate that instead of providing first pivotal attachment members 232 on first bracket 230, each first pivotal attachment member 232 may also be modified to attach directly to tubular member 120, and The exact configuration is left as a design choice to those skilled in the art. Furthermore, the first pivotal attachment member 232 may be of any configuration suitable for pivotally attaching the strut 240 to the tubular member 120, and the exact configuration is left to the design choice of those skilled in the art.

Braces 250 are provided to connect each strut 240 to the second bracket 220 . The second bracket 220 is attached to or integrally formed with the portion of the rod member 210 protruding from the bottom end 122 of the tubular member 120 regardless of the position of the rod member 210 in the tubular member 120 . The second bracket 220 includes a plurality of second pivotal attachment members 222 for allowing the strut 250 to be pivotally connected to the second bracket 220 . Those skilled in the art will appreciate that instead of providing a second pivotal attachment member 222 on each second bracket 220, each second pivotal attachment member 222 may be modified to attach directly to the rod member 210, And the exact configuration is left as a design choice for those skilled in the art. Furthermore, the second pivotal attachment member 222 may be of any configuration suitable for pivotally attaching the strut 250 to the bar member 210, and the exact configuration is left as a design choice to those skilled in the art.

Each strut 240 includes a third pivotal attachment member 242 for allowing a strut 250 to be pivotally connected to each strut 240 . The third pivotal attachment member 242 is disposed on the strut 240 such that the strut 250 is substantially perpendicular to the rod member 210 when the hybrid walking pole 100 is in the deployed operation. Those skilled in the art will recognize that third pivotal attachment member 242 may be of any configuration suitable for pivotally attaching strut 240 to strut 250 and that the exact configuration is left to the design of those skilled in the art. choose.

Those skilled in the art will appreciate that while four (4) struts are shown in FIG. 2 , any number of struts can be used so long as the struts form a structure that allows the hybrid walking stick to stand freely when the lever is in the extended position. Can. Those skilled in the art will also recognize that support and stability increase with the number of struts used. Additionally, increasing the number of struts will also increase the strength of the hybrid walking pole. Therefore, the exact number of struts used is left as a design choice for those skilled in the art. Those skilled in the art will also appreciate that, similar to the extension rod 115, the rod member 210 can also be modified to allow the rod member 210 to be adjustable, and that the exact configuration is left as a design choice for those skilled in the art.

FIG. 3 shows an exploded view of the locking mechanism formed by the combination of lever 260 and slot 170 . The slot 170 is an elongated opening formed at the side wall of the tubular member 120 . The slot 170 has a first end 180 , a second end 190 and a connecting portion 175 . The size of the first end 180 and the second end 190 is larger than that of the connecting portion 175 . The operating lever 260 has a base portion 262 , a tapered portion 264 , a knob 266 , a pair of blocking portions 267 , and an elastic member 268 . The base portion 262 is sized to abut the base portion 262 against the first end 180 or the second end 190 but prevent the base portion 262 from entering the connection portion 175 . The tapered portion 264 has a size that allows the operating rod 260 to move freely along the connecting portion 175 . The ratio of these dimensions allows the lever 260 to move between the first end 180 and the second end 190 . Knob 266 is provided as a handle or grip to allow a user to move joystick 260 . Stopper 267 secures lever 260 to hole 211 (shown in FIG. 4 ) in lever member 210 . The operating lever 260 is configured to be locked at the first end 180 or the second end 190 , and the operation of the operating lever 260 will be described below with reference to FIG. 4 .

FIG. 4 comprises FIGS. 4 a , 4 b , 4 c and 4 d and illustrates the operation of the joystick 260 . FIG. 4 a shows that the lever 260 is locked at the first end 180 when the base portion 262 is aligned with the side wall 121 of the tubular member 120 . In this locked position, the hybrid walking pole 100 is in deployed operation.

Figure 4b shows that pressure is applied on the operating rod 260 in the direction indicated by arrow 410. When pressure is applied on the operating rod 260 in the direction indicated by arrow 410, the elastic member 268 contracts and the tapered portion 264 aligns with the tubular The side walls 121 of the members 120 are aligned. This alignment unlocks the lever 260 and allows the lever 260 to move between the first end 180 and the second end 190 .

FIG. 4 c shows moving the operating rod 260 in the direction indicated by arrow 420 and stopping the operating rod 260 at the second end 190 . Moving the lever 260 in the direction indicated by arrow 420 causes the rod member 210 to extend further beyond the bottom end 122 of the tubular member 120 . In this position, the hybrid walking pole is in folded operation.

FIG. 4d shows the operating rod 260 locked at the second end 190 of the tubular member 120 . Releasing pressure on lever 260 in the direction indicated by arrow 410 allows resilient member 268 to expand and align base portion 262 with sidewall 121 of tubular member 120 . Accordingly, the operating rod 260 is locked at the second end 190 of the tubular member 120 .

5 shows a side view of strut 240 coupled to rod member 210 and tubular member 120 when hybrid walking pole 100 is in a folded operation. The struts 250 are partially concealed by the struts 240 . In the folding operation, the struts 240 are substantially parallel to the rod member 210 . Furthermore, the second bracket 220 is attached to or integrally formed with the portion of the rod member 210 protruding from the bottom end 122 of the tubular member 120 . The second bracket 220 is positioned on the portion of the rod member 210 that protrudes from the bottom end 122 of the tubular member 120 such that when in the folded operation, the second bracket 220 is located at the bottom end 245 of the strut 240 and the third pivotally attached Between members 242. The strut 240 may be provided with an elastic portion 249 that pushes the strut 240 away from the rod member 210 . This further facilitates changing the hybrid walking pole from a folded operation to an unfolded operation.

FIG. 6 shows a front view of strut 240 with struts 250 . The strut 240 has a longitudinal hole 241 that allows the strut 250 to fit within the strut 240 when the hybrid walking pole 100 is in the folded operation as shown in FIG. 6 . To ensure that the strut 240 is substantially parallel to the rod member 210 when in the folded operation, the second pivotal attachment member 222 is configured such that it fits between the longitudinal holes 241 of the strut 240 . FIG. 6 also shows that the strut 240 is pivotally connected to the first pivotal attachment member 232 . Furthermore, strut 250 is pivotally connected to second pivotal attachment member 222 and third pivotal attachment member 242 . To assist in changing the hybrid walking pole 100 from a folded operation to an unfolded operation, the strut 250 cannot be parallel to the rod member 210 . Accordingly, the second pivotal attachment member 222 as well as the third pivotal attachment member 242 are arranged such that the strut 250 is not parallel to the rod member 210 when in the folded operation. Those skilled in the art will appreciate that the configuration of the first pivotal attachment member 232, the second pivotal attachment member 222, and the third pivotal attachment member 242 may differ from the described embodiment. However, first pivotal attachment member 232 , second pivotal attachment member 222 , and third pivotal attachment member 242 must be configured to allow Rotational motion is converted between strut 250 and strut 240 . Those skilled in the art will also appreciate that instead of having the longitudinal hole 241, the strut 240 may have a solid piece of material having a recess adapted to receive the second pivotal attachment member 222, the third pivotal attachment member 242 and the strut 250, Such that the strut 240 is substantially parallel to the rod member 210 when in the folded operation.

7 and 8 illustrate movement of the base support structure 200 from an extended mode with the lever 260 at the first end 180 to a retracted mode with the lever 260 at the second end 190 . The bottom end 245 of the strut 240 is flush with the bottom end 215 of the rod member 210 when the bottom support structure 200 is in the extended mode. In addition, struts 250 are substantially perpendicular to rod member 210 . As the bottom support structure 200 moves toward the retracted mode, the rod member 210 extends further out of the bottom open end 122 as indicated by arrow 810 . Movement of rod member 210 as indicated by arrow 810 translates into upward movement of strut 250 as indicated by arrow 820 which causes bottom end 245 of strut 240 to retract toward rod member 210 . More detailed movement of the components of the hybrid walking pole 100 will now be described with reference to FIGS. 9-12 .

The movement of the components of the hybrid walking pole 100 will now be described with reference to FIGS. 9 to 12 as follows. Figure 9 shows the hybrid walking pole 100 in the deployed operation. In the deployment operation, the lever 260 is at the first end 180 and the bottom support structure is in the extended mode. Fig. 10 shows a cross-sectional view along X-X of Fig. 9 . Figure 11 shows the hybrid walking pole 100 in a folded operation. In a folded operation, the lever 260 is at the second end 190 and the bottom support structure is in the retracted mode. FIG. 12 shows a cross-sectional view along Y-Y of FIG. 11 . As shown in FIGS. 10 and 12 , the elastic member 520 and the stopper 510 are disposed inside the tubular member 120 . The hybrid walking pole 100 can be changed from an unfolded operation to a folded operation in the following manner. Pressure is applied to the lever 260 in the direction shown at 730 . The elastic member 268 contracts in response to pressure applied to the operating lever 260 . When the tapered portion 264 is aligned with the sidewall of the tubular member 120, contraction of the resilient member 268 unlocks the locking mechanism. The lever member 210 is forced downward in the direction indicated by the arrow 740 due to the elastic member 520 . The pressure applied to the lever 260 is released and the locking mechanism locks the bottom support structure 200 in the folded operation, as shown in FIGS. 11 and 12 . The use of the resilient member 520 and the stop 510 allows the user to easily, effortlessly and effectively retract the bottom support member from the extended mode to the retracted mode by simply applying pressure to the lever 260 in the direction shown at 730 .

The hybrid walking pole 100 can be changed from a folded operation to an unfolded operation in the following manner. Pressure is applied to the lever 260 in the direction indicated at 710 . The elastic member 268 contracts in response to pressure applied to the operating lever 260 . When the tapered portion 264 is aligned with the sidewall of the tubular member 120, retraction of the resilient member 268 unlocks the locking mechanism. To retract the lever member upwardly in the direction indicated by arrow 720 , a force can be applied downwardly to handle 110 as indicated by arrow 750 . The pressure applied to the lever 260 is released and the locking mechanism locks the bottom support structure 200 in the extended mode.

The hybrid walking stick 100 is intended for use by persons with a disease or infirmity that impairs movement. Typically, these individuals have the ability to walk certain distances by easily taking larger strides. If the hybrid walking pole is in the deployed operation, the struts 240 may get in the way or impede the user. So they'll use a hybrid walking pole in folded operation because it's easier to maneuver. However, after a certain distance, they may tire and will take smaller strides. Therefore, they will prefer to use the hybrid walking pole in unfolded operation as this provides better support and stability. Additionally, when the user is fatigued, the user generally applies more pressure on the handle 110 in the direction shown at 750 to counteract the user's weight on his or her legs. Therefore, the elastic member 520 and the stopper 510 are provided above the lever member 210 as shown in FIGS. Return the bottom support member from the extended mode to the retracted mode.

The foregoing is a description of an exemplary embodiment of a hybrid walking pole in accordance with the present invention, it is foreseeable that those skilled in the art can and will, based on this disclosure, devise alternative systems that infringe the present invention as set forth in the appended claims.

Claims (18)

1. one kind is mixed the walking cane, and this mixing walking cane comprises:

Tubular element, this tubular element have openend and are limited at the interior opening of sidewall of described tubular element;

The bar member, this bar member is positioned at described tubular element, and the part of this bar member extends through the described openend of described tubular element, and wherein said bar member can be mobile between retrieving position and extended position in described tubular element;

Action bars, this action bars stretch out a side of described bar member and extend through the described opening of the described sidewall of described tubular element, are used for making described bar member mobile between described retrieving position and described extended position;

A plurality of pillars, the top of described a plurality of pillars pivotally is connected to described tubular element; And

A plurality of struts, described a plurality of strut is connected to described bar member with described a plurality of pillars, wherein: described a plurality of struts all have one first end being pivotally attached in described a plurality of pillar and are pivotally attached to second end of described part of the described openend that extends through described tubular element of described bar member, thereby: in response to the described bar member that is in described retrieving position, described a plurality of pillars are arranged essentially parallel to described bar member; In response to the described bar member that is in described extended position, each the bottom end that described a plurality of strut is substantially perpendicular in described bar member and the described a plurality of pillar all flushes with the bottom of described bar member, and wherein said action bars and be limited at described opening in the described sidewall of described tubular element and be configured to described bar member is locked in the position in described retrieving position and the described extended position.

2. mixing according to claim 1 walking cane wherein, is limited at the microscler portion that the described opening in the described sidewall of described tubular element has first end, second end and connects described first end and described second end.

3. mixing according to claim 2 walking cane, wherein, when being in described retrieving position, described action bars is positioned at described second end of described opening, and when being in described extended position, described action bars is positioned at described first end of described opening.

4. mixing according to claim 1 walking cane, this mixings cane of walking also comprises:

Be used for the elastic device to the described bar member of described retrieving position bias voltage.

5. mixing according to claim 4 walking cane, wherein, described action bars comprises:

Elastic component;

Tapered portion; And

Base portion between described elastic component and described tapered portion.

6. mixing according to claim 5 walking cane, wherein, described base portion comprises for the baffling device that described action bars is fixed to described bar member.

7. mixing walking cane according to claim 6 wherein, when the described tapered portion of described action bars is alignd with the described sidewall of described tubular element, allows described bar member mobile between described retrieving position and described extended position.

8. mixing walking cane according to claim 6 wherein, when the described base portion of described action bars is alignd with the described sidewall of described tubular element, stops described bar member mobile between described retrieving position and described extended position.

9. mixing according to claim 5 walking cane, this mixings cane of walking also comprises handling knob of the described tapered portion that is connected to described action bars.

10. mixing according to claim 1 walking cane, this mixings cane of walking also comprises:

From the handle that an end of described tubular element stretches out, a described end is relative with the described openend of described tubular element.

11. mixing walking cane according to claim 10, this mixing walking cane also comprises:

Extension rod between described handle and a described end opposite with the described openend of described tubular element, described extension rod have one projection in a plurality of holes on the described sidewall that is suitable for inserting described tubular element.

12. mixing walking cane according to claim 1, this mixing walking cane also comprises:

Be attached to a plurality of first pivotal attachment members of described bar member, wherein, described a plurality of first pivotal attachment members all are suitable for pivotally each the described top in described a plurality of pillars is connected to described tubular element.

13. mixing walking cane according to claim 12, this mixing walking cane also comprises:

Be attached to a plurality of second pivotal attachment members of described tubular element, wherein, described a plurality of second pivotal attachment members all are suitable for pivotally each described second end in described a plurality of struts is connected to described bar member.

14. mixing walking cane according to claim 13, this mixing walking cane also comprises:

Be attached to each a plurality of the 3rd pivotal attachment members in described a plurality of pillar, wherein, described a plurality of the 3rd pivotal attachment members all are suitable for pivotally described strut all being connected to each in described a plurality of pillar.

15. mixing walking cane according to claim 1, wherein, described a plurality of pillars all are spaced apart from each other equably around the common axis of described tubular element.

16. mixing walking cane according to claim 1 wherein, be provided with at least three pillars, and described at least three pillars distributes equably around the common axis of described tubular element all.

17. mixing walking cane according to claim 1, wherein, described action bars comprises:

Elastic component;

Tapered portion; And

Base portion between described elastic component and described tapered portion.

18. mixing walking cane according to claim 17, wherein, described base portion comprises for the baffling device that described action bars is fixed to described bar member.

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