CN1159168A - Locking device for small caster - Google Patents
Locking device for small caster Download PDFInfo
- Publication number
- CN1159168A CN1159168A CN 94195173 CN94195173A CN1159168A CN 1159168 A CN1159168 A CN 1159168A CN 94195173 CN94195173 CN 94195173 CN 94195173 A CN94195173 A CN 94195173A CN 1159168 A CN1159168 A CN 1159168A
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- hand barrow
- caster
- analogue
- tongue member
- arm
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Abstract
A device for inhibiting the swivelling of a castor (3), particularly on the front of a shopping trolley, comprises a plate (10) secured to the base of the trolley and a tongue adapted to pivot (12) between first and second positions (11, 11A). In the first position, the tongue is inserted between the arms of the fork (4) so as to prevent the castor (3) from swivelling. In the second position (11A), the tongue member is disengaged from between the arms, thereby allowing the castor (3) to swivel. The tongue is automatically disengaged by contacting another trolley with an arm (15) connecting the tongue.
Description
The present invention relates to a kind of device that is used for suppressing the gyroscopic movement of Caster, this device is for the one or more Caster particularly suitables that are contained on the shopping cart, but not limited.
The present invention relates to a kind of like this device, it can be applicable to existing hand barrow easily, perhaps is installed on the hand barrow of coming of new.
The people who pushed away hand barrow (for example shopping cart, airport hand barrow, baby stroller or any other hand barrow shape equipment) knows that generally wheel is usually always not according to required direction motion.This hand barrow generally has four Casters that are installed in device bottom, and each Caster can both rotate with towards a required sense of motion.
The front-wheel of this hand barrow is easy to turn to a direction with required sense of motion crosscut, thereby often makes hand barrow be very difficult to forwards move.
In order to make lockable Caster device, suppress this gyroscopic movement of one or more Casters of hand barrow thus, done various trials.Such prior-art devices comprises:
Disclose a kind of lockable Caster in the patent AU-A-60830/80 that authorizes the N.A. Fischer, it is specially adapted to shopping cart.This Caster is equiped with one can pivotally be attached at bolt 10 latch gear 24 on every side, and it has a pin 29, and this pin can be positioned at a recess 22 that is arranged in ring 21, prevents the gyroscopic movement of Caster thus.
Authorize the graceful AU of Man Fulaide button 541238 and disclosed a kind of rotating device of Caster that prevents, it is specifically designed to movable hospital bed.This device is worked under the driving of bar 8, this device makes cam 7 actions, thereby moves down stop pin 11, makes the coupling indented joint of head 17 and pawl 18 thus, so that in the hollow parts 16 of fork 2, form corresponding locking component, so just suppressed the gyroscopic movement of fork 2.It is also as preventing to take turns 1 braking element that rotates.
The patent AU 5,616 39 that authorizes Edward's Robertson discloses a kind of anti-rotating locking Caster, and it is specially adapted to baby stroller.It utilizes a movable locking component 36 that is fixed on the post 12, this member can be in primary importance (herein, the rotation of described movable link is stoped by the groove that engages with its interference) and the second place (herein, allowing described movable link to rotate) between move.
The patent AU-A-17214/92 that authorizes Qiao Fulai Glan spy has disclosed a kind of catch gear that is used for locking releasedly a kind of wheel of shopping cart.This mechanism comprises a crotch 3, and a shackle 7 is installed on the crotch regularly.This ring 7 be provided with one with ball 9 corresponding indentures by the spring bias voltage.Spring biased ball 9 can overcome the application force of biasing spring 11 and outwards move, thereby wheel can be rotated.
Above-mentioned all prior-art devices are all more or less complicated in design, are difficult to make, and damage easily, think that therefore they are unsuitable for to be easy to use and/or lower-cost mode is connected on shopping cart or other analogue.
The present invention attempts to provide a kind of device that is used for suppressing the gyroscopic movement of Caster (particularly can be attached at the Caster on shopping cart or other analogue, but not limited), and this device is simple, and is cheap and be easy to use.
As a kind of principal mode, the invention provides a kind of device that is used for suppressing the gyroscopic movement of Caster, described Caster has the hookup mechanism of a fork-shaped, the upper end of described hookup mechanism can be rotated with respect to the bottom of a hand barrow or its analogue, and the lower end of described hookup mechanism has an axle between the arm of described fork-shaped hookup mechanism, described Caster just is contained on this axle, and described device comprises:
Bearing set, it is fixed on the described bottom of described hand barrow or its analogue; And
Coupling device, it comprises a tongue member, described tongue member can pivotally be attached on the described bearing set, and is suitable for moving between first and second positions, thus
In described primary importance, described tongue member is inserted between the described arm of described fork arrangement, thereby stops the gyroscopic movement of described Caster with respect to described bottom; And
In the described second place, described tongue member is deviate between the described arm of described fork arrangement, thereby allows described Caster to make gyroscopic movement with respect to described bottom.
Best and the described hand barrow of described device or its analogue are integrally made.
Scheme as an alternative, but still be preferred version, described device is suitable for Manufactured described hand barrow or its analogue.
In a kind of preferred versions of the present invention, but be not limited, described hand barrow or its analogue are shopping carts.
In a kind of preferred versions of the present invention, described device is attached on the wheel of described hand barrow or its analogue.
Best, described coupling device is attached on the coupling device of neighboring devices with a pipe link, therefore a plurality of described devices can synchronously be worked.
In a preferred embodiment, described device can carry out M/C by moved described coupling device by the operator.
In another preferred embodiment, described device can be handled a long way off by means of a drag-line that links to each other with a switching device.
In this a kind of form in back of the present invention, described switching device is installed on the handle portion of described hand barrow or its analogue.
In another preferred embodiment of the present invention, the available detaching gear of described device is handled, to store or to be deposited in a time-out at described hand barrow and other hand barrow, described detaching gear is by contacting and handled with described other hand barrow, so that described tongue member is automatically deviate between the described arm of described forked members.
Introduce a nonrestrictive preferred embodiment in detail below in conjunction with accompanying drawing, thus can be to the present invention solve clearer, wherein:
Fig. 1 is hand barrow of expression and the dress isometric chart according to Caster of the present invention thereon;
Fig. 2 is an elevation drawing of representing to have on it Caster of device of the present invention;
Fig. 3 is the isometric chart of apparatus of the present invention;
Fig. 4 shows two hand barrows that are in " stacking " state, and tongue member is automatically deviate from between the arm;
Fig. 5 shows an easy-to-install preferred embodiment, and it comprises the tongue member of mutual binding; And
Fig. 6 is the enlarged drawing of Fig. 5.
Unless specialize, same label is represented identical feature in institute's drawings attached.
As shown in Figure 1, total hand barrow that marks with label 1 can be a shopping Cart, and the baggage cart or the hand barrow of any other form of perambulator and so on for example are equipped with four Casters 2 onboard, two in the front portion of hand barrow, two rear portions at hand barrow.
The trailing wheel 2 of hand barrow 1 shown in Figure 1 is traditional type, allow thus to rotate, and front-wheel has similar form, but which is provided with according to restraining device of the present invention with respect to the length of hand barrow, can handle this device, thereby make these front-wheels can be locked in the preceding line position of hand barrow.The thin portion of blocking device is referring to Fig. 2 and 3.
In Fig. 3, can be clear that, can be by means of " U " shape member or forked members 4 with bolt 8 Caster or take turns 3 and be fixed on the one leg or bottom of hand barrow.Forked members 4 has a pair of arm 5 and 6, and described arm is across each side of wheel or Caster 3, and by bonded assembly axle 7 supporting wheels or a Caster 3 betwixt.Therefore, allow Caster along making gyroscopic movement by the direction shown in arrow 9 (see figure 3)s.
By the fixing bearing set 10 that is expressed as base plate or its analogue in the drawings, available bolt 8 is with device of the present invention and known hand barrow system interconnection, in addition, some bearing set can be welded simply or with bolt or be linked to similar means on the supporting leg or bottom of hand barrow.
Device of the present invention also is provided with coupling device, and it comprises a tongue member, and described tongue member is rotatably mounted on the bearing set with a pivot 12, and it is suitable for moving between primary importance 11 and second place 11a like this.In primary importance, coupling device is engaged between the arm 5 and 6 of forked members 4, thereby stops along the rotation of the direction of arrow 9.In the second place that marks with label 11a, when coupling device 11 when the direction shown in the arrow 13 is moved, tongue member is deviate between arm 5 and 6, thereby stops wheel or Caster 3 to make pre-gyroscopic movement along the direction of arrow 9.As can be seen, this set can be easy to adapt to existing hand barrow, also can integrally make with hand barrow.
It can also be seen that this device not only is specially adapted to shopping cart, equally also be applicable to the pulley arrangement of baggage car, perambulator or any other type.
Be also pointed out that apparatus of the present invention can be suitable for any wheel of hand barrow, the present inventor recognizes, it only is applicable to the front-wheel of shopping cart is useful especially, and this can help making shopping cart easier to be mobile.
In addition, a connecting rod of representing with label 14 can be set, so that two this devices on two adjacent front-wheels that are arranged on hand barrow or the trailing wheel are linked up mutually, when handling a device, the device of interconnection is action simultaneously also like this.This can for example be realized by the M/C that carries out that moves of hand or pin by the operator, perhaps according to a kind of better form of the present invention, by means of a suitable drag-line that links to each other with a switch, operate this device from afar, described switch is arranged on the handle portion of hand barrow for example.
Another preferred versions of the present invention provides a detaching gear 15, and it links to each other with tongue member 11, therefore, when detaching gear 15 when the direction of arrow 16 is moved, tongue member 11 breaks away from the arm of forked member 4.From Fig. 4, can clearly be seen that, by with another hand barrow, particularly its front apron contact can make detaching gear 15 automatically raise.Therefore, when many hand barrows were in " stacking state ", wheel can automatically enter disengaged position.Because it handles hand barrow " heap " easily, thereby particularly useful when " stacking state ".Be noted that in a preferred embodiment detaching gear 15 can be by moving to a position with contacting of another hand barrow, thus, when described another hand barrow disengaged, tongue member can automatically fall after rise, enters engage position.
Fig. 5 shows a preferred embodiment of the present invention that is used for being installed on the existing hand barrow, and Fig. 6 shows its thin portion.These two illustrate two tongue member 11 is how to fix and to be fixed by bolts on the top of hand barrow front-wheel with a connecting rod 17.This set helps easier binding, becomes easier thereby make to aim at.This means that also two tongue member 11 will enter and be disengaged the position simultaneously.
Be appreciated that concerning technical personnel in the art and obviously can make multiple variation and modification the present invention.All these change and modification should be considered to not run off the scope of the present invention that above-mentioned generality is described and claims are determined.
Claims (11)
1. device that is used for suppressing the gyroscopic movement of Caster, described Caster has a fork-shaped hookup mechanism, the upper end of described hookup mechanism can be rotated with respect to the bottom of hand barrow or its analogue, and the lower end of described hookup mechanism has an axle between the arm of described fork-shaped hookup mechanism, and described device comprises:
Bearing set, it is fixed on the described bottom of described hand barrow or its analogue; And
Coupling device, it comprises a tongue member, described tongue member can pivotally be contained on the described bearing set, and is suitable for moving between first and second positions;
It is characterized by,
In described primary importance, described tongue member is inserted between the described arm of described forked members, thereby stops described Caster to make gyroscopic movement with respect to described bottom; With
In the described second place, described tongue member is left between the described arm of described forked members, thereby allows described Caster to make gyroscopic movement with respect to described bottom.
2. device according to claim 1 is characterized by, and described device and described hand barrow or its analogue are integrally made.
3. device according to claim 1 is characterized by, and described device is suitable for Manufactured described hand barrow or its analogue.
4. according to any one described device in the claim 1 to 3, it is characterized by, described hand barrow or its analogue are shopping carts.
5. according to any one described device in the claim 1 to 4, it is characterized by, described device is fixed on the front-wheel of described hand barrow or its analogue.
6. according to any one described device in the claim 1 to 5, it is characterized by, a connecting rod is attached to described coupling device on a coupling device on the neighboring devices, and described thus device can synchronously be worked.
7. according to any one described device in the claim 1 to 6, it is characterized by, described device can move described coupling device by the operator and carry out manual control.
8. according to any one described device in the claim 1 to 6, it is characterized by, can handle described device a long way off by means of a drag-line that links to each other with a switching device.
9. device according to claim 8 is characterized by, and described switching device is installed on the handle portion of described hand barrow or its analogue.
10. according to any one described device in the claim 1 to 6, it is characterized by, the available detaching gear of described device is handled, with when described hand barrow stores with other hand barrow or stacks, by handling described detaching gear, thereby make described tongue member from automatically throwing off between the described arm of described forked members with contacting of described other hand barrow.
11. one kind is used for suppressing the gyroscopic movement of a Caster and basically as the device of being described in conjunction with the accompanying drawings herein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94195173 CN1159168A (en) | 1994-08-17 | 1994-08-17 | Locking device for small caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94195173 CN1159168A (en) | 1994-08-17 | 1994-08-17 | Locking device for small caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1159168A true CN1159168A (en) | 1997-09-10 |
Family
ID=5039671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94195173 Pending CN1159168A (en) | 1994-08-17 | 1994-08-17 | Locking device for small caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1159168A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532135C (en) * | 2004-04-15 | 2009-08-26 | 费诺-华盛顿公司 | Self-locking swivel casters for roll-in cots |
| CN105151102A (en) * | 2015-09-08 | 2015-12-16 | 国网山东省电力公司济南供电公司 | Treading lock wheel brake for power-operation transfer trolley |
| CN105667565A (en) * | 2011-11-01 | 2016-06-15 | 康贝株式会社 | Wheels for trolleys |
-
1994
- 1994-08-17 CN CN 94195173 patent/CN1159168A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100532135C (en) * | 2004-04-15 | 2009-08-26 | 费诺-华盛顿公司 | Self-locking swivel casters for roll-in cots |
| CN105667565A (en) * | 2011-11-01 | 2016-06-15 | 康贝株式会社 | Wheels for trolleys |
| CN105667565B (en) * | 2011-11-01 | 2018-01-30 | 康贝株式会社 | The wheel assembly of trolley |
| CN105151102A (en) * | 2015-09-08 | 2015-12-16 | 国网山东省电力公司济南供电公司 | Treading lock wheel brake for power-operation transfer trolley |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
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