CA2023621A1 - Cane with interchangeable tip - Google Patents
Cane with interchangeable tipInfo
- Publication number
- CA2023621A1 CA2023621A1 CA 2023621 CA2023621A CA2023621A1 CA 2023621 A1 CA2023621 A1 CA 2023621A1 CA 2023621 CA2023621 CA 2023621 CA 2023621 A CA2023621 A CA 2023621A CA 2023621 A1 CA2023621 A1 CA 2023621A1
- Authority
- CA
- Canada
- Prior art keywords
- tip
- engaging
- cane
- engaging means
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000013011 mating Effects 0.000 claims 2
- 230000000881 depressing effect Effects 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 208000035657 Abasia Diseases 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000036421 sense of balance Effects 0.000 description 1
Landscapes
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
A B S T R A C T
A cane having interchangeable tips to compensate for changes in base contour, is described. A tip suitable for one type of contour is releasably locked into a first engaging means at the bottom of the cane shaft and a replacement tip is secured into a second engaging means on the cane gripping handle. When variations in contour require a change, the tip are interchangeable between each of the respective engaging means.
A cane having interchangeable tips to compensate for changes in base contour, is described. A tip suitable for one type of contour is releasably locked into a first engaging means at the bottom of the cane shaft and a replacement tip is secured into a second engaging means on the cane gripping handle. When variations in contour require a change, the tip are interchangeable between each of the respective engaging means.
Description
2~6~
CANE WITH INTERCHANGEABLE TIP
This invention relates to a cane having interchangeable tips. More particularly, it relates to an upright supporting device having a handle crook for retaining an alternative and interchangeable base tip.
Individuals often require a cane for walking or upright support at some period in their life as a result of an injury or infirmity. During this period the individual is not only unable to walk without support, but such injury or infirmity is frequently detrimental to the individuals sense of balance.
This is further complicated by the fact that, in order to use the cane, a portion of the body weight is directed forwardly from the body center onto the cane itself. Because of this ~ :
loss in balance which may already be weakened in the case of an ~ ;
infirm individual, it is essential that the base of the cane be in firm contact with the ground to safely support the body weight.
Firm upright support of the cane is usually enhanced by means of a rubber tip at the base. A tip of this kind has a broader circumference than the cane shaft and has a flat bottom contoured to conform to the walking surface. When weather ~ -conditions change however, the cane tip which was suitable for gripping bare pavement may not be satisfactory for use on other surfaces, for instance an ice surface.
The individual could of course purchase several canes with various tip to accommodate climatic conditions. However, he might encounter several kinds of surface conditions while walking along a city street, each of which re~uire different base tips for proper security.
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While a conventional cane could be modified to include an interchangeable base tip, this would require the user to carry one or more substitute tips on his person. Since the elderly are the most prolific users of such canes, the user may leave the house and forget to carry a replacement tip with him.
The applicant has therefore devised a cane assembly which allows for the interchangeability of the base tip while at the same time providing means for securing the replaced tip on the cane itself.
It is therefore an object of one aspect of this invention to provide a cane having an interchangeable tip.
It is an object of another aspect of this invention to provide a cane having a replacement and interchangeable tip secured to the handle of the cane itself.
These and other objects are achieved by means of a supporter apparatus for aiding in the upright balance of the -~
user on a base surface~ comprising~
a support shaft with a gripping member at one end and a first tip engaging means at the other;
a second tip engaging means mounted on said gripping member;
a first tip member having a face for engaging one type of base surface and a second tip member having a face for engaging another type of base surface;
each of said first and said second tip members having means for engaging either said first tip engaging means or said second tip engaging means in releasable locking engagement. ~ ~-In the drawings:
::.
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Figure 1 is an elevational diagrammatic view of the cane of the present invention, with interchangeable tips shows spaced therefrom;
and Figure 2 is a perspective view of one embodiment of an interchangeable tip.
In Figure 1, the cane shown generally at 10 has an arcuate handle portion 12 and a support shaft portion 14 consisting of an upper shaft portion 14a and a lower shaft portion 14b telescopically extending therefrom. While handle portion 12 is integral with shaft 14 and usually consists of an extension thereof, handle 12 is slightly larger in cross~
section for easy gripping by the user. This grip may consist , , . .-:
of a layer of rubberized plastic or other material that is easier to hold than the smooth metallic material that is usually used to form the shaft.
In the embodiment shown in Figure 1, the length of cane shaft 14 is adjusted by sliding lower shaft 14b telescopically into upper shaft 14a. A locking button 16 is located on lower shaft 14b and spring support mounted therein (not shown). To adjust the length of shaft 14, locking button 16 is depressed and lower shaft 14b is slid telescopically into upper shaft 14a until button 16 is aligned with one of a series of holes (not shown) spaced along the side of upper shaft 14a. When so aligned, button 16 is released through the specified hole and the upper and lower shafts thereby locked into engagement.
While the present embodiment shows a cane having an adjustable length, it must be appreciated that the present invention is adaptable for use on a cane having a set shaft length and in which shaft 14 constitutes a single integral unit.
~ ' ~
2~23~2~
Lower shaft 14b has a locking hutton 18 at the lower end thereof which is depressible into the body of the shaft by hand action against the force of a spring ~not shown) mounted within the lower shaft body.
A tip member 20 is shown spaced in extension from the lower shaft 14b. Tip member 20 has a cylindrical body 22 which is slightly larger in circumference than lower shaft 14b, so that lower shaft 14b can be slidably engaged therein by depressing locking button 18. Lower shaft 14b is then continued to be inserted into cylindrical body 22 until locking button is aligned with a hole (not shown) located centrally through one side of cylindrical body 22. When so aligned, locking button 18 is projected through the hole by the action of its internal spring, thereby locking cylindrical body 22 and tip member 20 in engagement with the shaft.
Tip member 20 includes a rubbering abutment 24 at its downward end, which expands outwardly from cylindrical body 22 to provide a substantially wide base 26 at the end of the cane.
This wide base provides a degree of weight distribution on the floor or pavement when a downward force is applied to the cane from the handle end. This base can include z number of grooves on its face for improved traction against the floor surface in a manner known in the art.
At the opposite end of the cane, the arcuate handle portion 12 ends in a downwardly directed abutment that completes the arcuate or crook portion of the gripping handle.
In the cane of the present invention this abutment includes a downwardly projecting engaging cylinder 30 which may be integral with the cane handle 22 or otherwise firmly secured -~ . - . , -: , . , 2~2'~2~
thereon. Engaging cylinder 30 includes a locking button 32 which may be depressed into the interior of the body of cylinder 30 by hand action against the force of an internally mounted spring (not shown).
A secondary tip member 34 is shown extended from engaging cylinder 30 and in alignment therewith. Secondary tip member 34 includes cylindrical body 36 having a circumference slightly larger than that of cylinder 30 so as to be slidably engageable over cylinder 30. When so engaged, cylindrical body 36 is aligned over cylinder 30 and locking button 32 depressed so as to allow body 36 to slide over it until the button is aligned with an engaging hole (not shown) extending through on , one side of body 36. When so aligned, the internal spring in engaging cylinder 30 forces button 32 through the hole and locks the cylindrical body and tip member 34 in place at the end of the handle.
The tip member 34 includes an arrangement of projecting spikes 38 in place of a rubberized abutment as shown in tip , member 20. It must be appreciated that other types of tip members can be used in place of member 20 or 34, depending on the nature of the surface to which the cane must be adapted.
Tip member 34 is particularly adapted for mounting at the end shaft 14b when the cane is to be used on an ice surface. This tip member is shown in more detail in Figure 2.
The cylindrical body 36 has an opening through from its upper end (not shown) for receiving shaft 14b in slidable engagement.
A central hole 40 is located on one side of the body with opening into the interior thereof.
In a preferred embodiment of the invention, body 36 is ~3i~
machined around hole 40 so that the hole is defined as a recess on the body surface. When the tip member 34 is engaged either at the end of lower shaft 14b or engaging cylinder 30 at the end of the cane handle, the respective locking button 18 or 32 which projects through hole 40 is recessed within groove 42.
It is thus out of the way of being damaged if the cane is struck against an object or otherwise secured against the collection or dirt, salt or snow that would occur if the button was otherwise exposed. While this is a preferred embodiment of the invention, it must be appreciated that it is not essential to the smooth operation of the cane and interchangeable tips.
As shown in Figure 2, tip member 34 also includes a small bottom opening 44 for the release of any moisture that might collect in the interior thereof. Tip member 34 further includes three spaced apart projecting spikes 38 which would dig in and grip onto an ice surface if tip member 24 were engaged at the end of a cane shaft and weight applisd downwardly on the cane handle.
By having one interchangeable tip locked onto the bottom of the cane shaft for use of the cane on a predetermined surface, another type of tip member such as member 34 is locked in engagement at the end of the cane handle and carried along with the cane at all time. Should the user encounter an iced surface during a winter stroll, the user may quickly change the tip of the can for on which is more suitable for iced surfaces.
The rubber tipped member 20 is easily released from the shaft by depressing locking button 18 and secondly tip member 34 is released from the handle engaging cylinder 30 by depressing locking button 32 and that member substituted at the ::
2~23$2~
, ~ ...
end of the shaft. The rubber tipped member 20 is then locked onto engaging cylinder 30 for future use. The cane user is thereby prepared at all time for climatic change by merely rearranging components that are inherent in the cane assembly itself.
While the respective tip members are releasably engaged and locked onto the can tip or handle cylinder as the case may be by the use of locking buttons and corresponding receiving holes on the tip member, other means of securing and releasing the tip to the cane can be used. For example a threaded or bayonet arrangement could be used. The locking button arrangement however, is the easiest one for an elderly user to manipulate and, once locked into position, provides the security necessary for the safe operation of an apparatus of this type.
It must be appreciated further, that other embodiments and modifications can be made to the apparatus without departing from the applicant's invention as particularly described in the specification or as recited in the appended claims.
CANE WITH INTERCHANGEABLE TIP
This invention relates to a cane having interchangeable tips. More particularly, it relates to an upright supporting device having a handle crook for retaining an alternative and interchangeable base tip.
Individuals often require a cane for walking or upright support at some period in their life as a result of an injury or infirmity. During this period the individual is not only unable to walk without support, but such injury or infirmity is frequently detrimental to the individuals sense of balance.
This is further complicated by the fact that, in order to use the cane, a portion of the body weight is directed forwardly from the body center onto the cane itself. Because of this ~ :
loss in balance which may already be weakened in the case of an ~ ;
infirm individual, it is essential that the base of the cane be in firm contact with the ground to safely support the body weight.
Firm upright support of the cane is usually enhanced by means of a rubber tip at the base. A tip of this kind has a broader circumference than the cane shaft and has a flat bottom contoured to conform to the walking surface. When weather ~ -conditions change however, the cane tip which was suitable for gripping bare pavement may not be satisfactory for use on other surfaces, for instance an ice surface.
The individual could of course purchase several canes with various tip to accommodate climatic conditions. However, he might encounter several kinds of surface conditions while walking along a city street, each of which re~uire different base tips for proper security.
':
,:
~, - . , : : . :
~ 3 ~ ~
While a conventional cane could be modified to include an interchangeable base tip, this would require the user to carry one or more substitute tips on his person. Since the elderly are the most prolific users of such canes, the user may leave the house and forget to carry a replacement tip with him.
The applicant has therefore devised a cane assembly which allows for the interchangeability of the base tip while at the same time providing means for securing the replaced tip on the cane itself.
It is therefore an object of one aspect of this invention to provide a cane having an interchangeable tip.
It is an object of another aspect of this invention to provide a cane having a replacement and interchangeable tip secured to the handle of the cane itself.
These and other objects are achieved by means of a supporter apparatus for aiding in the upright balance of the -~
user on a base surface~ comprising~
a support shaft with a gripping member at one end and a first tip engaging means at the other;
a second tip engaging means mounted on said gripping member;
a first tip member having a face for engaging one type of base surface and a second tip member having a face for engaging another type of base surface;
each of said first and said second tip members having means for engaging either said first tip engaging means or said second tip engaging means in releasable locking engagement. ~ ~-In the drawings:
::.
2~
Figure 1 is an elevational diagrammatic view of the cane of the present invention, with interchangeable tips shows spaced therefrom;
and Figure 2 is a perspective view of one embodiment of an interchangeable tip.
In Figure 1, the cane shown generally at 10 has an arcuate handle portion 12 and a support shaft portion 14 consisting of an upper shaft portion 14a and a lower shaft portion 14b telescopically extending therefrom. While handle portion 12 is integral with shaft 14 and usually consists of an extension thereof, handle 12 is slightly larger in cross~
section for easy gripping by the user. This grip may consist , , . .-:
of a layer of rubberized plastic or other material that is easier to hold than the smooth metallic material that is usually used to form the shaft.
In the embodiment shown in Figure 1, the length of cane shaft 14 is adjusted by sliding lower shaft 14b telescopically into upper shaft 14a. A locking button 16 is located on lower shaft 14b and spring support mounted therein (not shown). To adjust the length of shaft 14, locking button 16 is depressed and lower shaft 14b is slid telescopically into upper shaft 14a until button 16 is aligned with one of a series of holes (not shown) spaced along the side of upper shaft 14a. When so aligned, button 16 is released through the specified hole and the upper and lower shafts thereby locked into engagement.
While the present embodiment shows a cane having an adjustable length, it must be appreciated that the present invention is adaptable for use on a cane having a set shaft length and in which shaft 14 constitutes a single integral unit.
~ ' ~
2~23~2~
Lower shaft 14b has a locking hutton 18 at the lower end thereof which is depressible into the body of the shaft by hand action against the force of a spring ~not shown) mounted within the lower shaft body.
A tip member 20 is shown spaced in extension from the lower shaft 14b. Tip member 20 has a cylindrical body 22 which is slightly larger in circumference than lower shaft 14b, so that lower shaft 14b can be slidably engaged therein by depressing locking button 18. Lower shaft 14b is then continued to be inserted into cylindrical body 22 until locking button is aligned with a hole (not shown) located centrally through one side of cylindrical body 22. When so aligned, locking button 18 is projected through the hole by the action of its internal spring, thereby locking cylindrical body 22 and tip member 20 in engagement with the shaft.
Tip member 20 includes a rubbering abutment 24 at its downward end, which expands outwardly from cylindrical body 22 to provide a substantially wide base 26 at the end of the cane.
This wide base provides a degree of weight distribution on the floor or pavement when a downward force is applied to the cane from the handle end. This base can include z number of grooves on its face for improved traction against the floor surface in a manner known in the art.
At the opposite end of the cane, the arcuate handle portion 12 ends in a downwardly directed abutment that completes the arcuate or crook portion of the gripping handle.
In the cane of the present invention this abutment includes a downwardly projecting engaging cylinder 30 which may be integral with the cane handle 22 or otherwise firmly secured -~ . - . , -: , . , 2~2'~2~
thereon. Engaging cylinder 30 includes a locking button 32 which may be depressed into the interior of the body of cylinder 30 by hand action against the force of an internally mounted spring (not shown).
A secondary tip member 34 is shown extended from engaging cylinder 30 and in alignment therewith. Secondary tip member 34 includes cylindrical body 36 having a circumference slightly larger than that of cylinder 30 so as to be slidably engageable over cylinder 30. When so engaged, cylindrical body 36 is aligned over cylinder 30 and locking button 32 depressed so as to allow body 36 to slide over it until the button is aligned with an engaging hole (not shown) extending through on , one side of body 36. When so aligned, the internal spring in engaging cylinder 30 forces button 32 through the hole and locks the cylindrical body and tip member 34 in place at the end of the handle.
The tip member 34 includes an arrangement of projecting spikes 38 in place of a rubberized abutment as shown in tip , member 20. It must be appreciated that other types of tip members can be used in place of member 20 or 34, depending on the nature of the surface to which the cane must be adapted.
Tip member 34 is particularly adapted for mounting at the end shaft 14b when the cane is to be used on an ice surface. This tip member is shown in more detail in Figure 2.
The cylindrical body 36 has an opening through from its upper end (not shown) for receiving shaft 14b in slidable engagement.
A central hole 40 is located on one side of the body with opening into the interior thereof.
In a preferred embodiment of the invention, body 36 is ~3i~
machined around hole 40 so that the hole is defined as a recess on the body surface. When the tip member 34 is engaged either at the end of lower shaft 14b or engaging cylinder 30 at the end of the cane handle, the respective locking button 18 or 32 which projects through hole 40 is recessed within groove 42.
It is thus out of the way of being damaged if the cane is struck against an object or otherwise secured against the collection or dirt, salt or snow that would occur if the button was otherwise exposed. While this is a preferred embodiment of the invention, it must be appreciated that it is not essential to the smooth operation of the cane and interchangeable tips.
As shown in Figure 2, tip member 34 also includes a small bottom opening 44 for the release of any moisture that might collect in the interior thereof. Tip member 34 further includes three spaced apart projecting spikes 38 which would dig in and grip onto an ice surface if tip member 24 were engaged at the end of a cane shaft and weight applisd downwardly on the cane handle.
By having one interchangeable tip locked onto the bottom of the cane shaft for use of the cane on a predetermined surface, another type of tip member such as member 34 is locked in engagement at the end of the cane handle and carried along with the cane at all time. Should the user encounter an iced surface during a winter stroll, the user may quickly change the tip of the can for on which is more suitable for iced surfaces.
The rubber tipped member 20 is easily released from the shaft by depressing locking button 18 and secondly tip member 34 is released from the handle engaging cylinder 30 by depressing locking button 32 and that member substituted at the ::
2~23$2~
, ~ ...
end of the shaft. The rubber tipped member 20 is then locked onto engaging cylinder 30 for future use. The cane user is thereby prepared at all time for climatic change by merely rearranging components that are inherent in the cane assembly itself.
While the respective tip members are releasably engaged and locked onto the can tip or handle cylinder as the case may be by the use of locking buttons and corresponding receiving holes on the tip member, other means of securing and releasing the tip to the cane can be used. For example a threaded or bayonet arrangement could be used. The locking button arrangement however, is the easiest one for an elderly user to manipulate and, once locked into position, provides the security necessary for the safe operation of an apparatus of this type.
It must be appreciated further, that other embodiments and modifications can be made to the apparatus without departing from the applicant's invention as particularly described in the specification or as recited in the appended claims.
Claims (6)
1. An apparatus for aiding in the upright balance of the user on a base surface, comprising:
a) a support shaft with a gripping member at one end and a first tip engaging means at the other;
b) a second tip engaging means mounted on said gripping member;
c) a first tip member having a face for engaging one type of base surface and a second tip member having a face for engaging another type of base surface;
d) each of said first and said second tip members having means for engaging either said first tip engaging means or said second tip engaging means in releasable locking engagement.
a) a support shaft with a gripping member at one end and a first tip engaging means at the other;
b) a second tip engaging means mounted on said gripping member;
c) a first tip member having a face for engaging one type of base surface and a second tip member having a face for engaging another type of base surface;
d) each of said first and said second tip members having means for engaging either said first tip engaging means or said second tip engaging means in releasable locking engagement.
2. An apparatus as claimed in claim 1 wherein said apparatus is a cane and said gripping member is a crook extending from one end of said support shaft.
3. An apparatus as claimed in claim 2 wherein said first tip member includes a rubberized abutment for engaging said one type of base surface.
4. An apparatus as claimed in claim 3 wherein said second tip member includes a plurality of projecting spikes extending axially therefrom for engaging said other type of base surface.
5. An apparatus as claimed in claim 4 wherein the engaging means on each of said first and second tip members includes a cylindrical body on said tip member for mating telescopically over said respective engaging means, said cylindrical body having a central hole perpendicular to the axis of said body for mating with a spring actuated locking button on said respective engaging means.
6. An apparatus as claimed in claim 5 wherein said support shaft comprises an upper shaft and a lower shaft with a locking means therebetween for telescopically engaging said shafts and to thereby define a support shaft of predetermined length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2023621 CA2023621A1 (en) | 1990-08-20 | 1990-08-20 | Cane with interchangeable tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2023621 CA2023621A1 (en) | 1990-08-20 | 1990-08-20 | Cane with interchangeable tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2023621A1 true CA2023621A1 (en) | 1992-02-21 |
Family
ID=4145776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2023621 Abandoned CA2023621A1 (en) | 1990-08-20 | 1990-08-20 | Cane with interchangeable tip |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2023621A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5482071A (en) * | 1995-03-07 | 1996-01-09 | Liu; Ching-Yuan | Crutch combination having rescuing tools |
| US6328048B1 (en) * | 2000-06-27 | 2001-12-11 | Andre B. Rivera, Sr. | Multi-use patient aid |
| EP1529460A3 (en) * | 2003-11-05 | 2005-07-27 | Harald Martin Bäumle | Attachment device for an interchangable tip and stick with such a device |
| IT202100005789A1 (en) * | 2021-03-11 | 2022-09-11 | Tompoma S R L | SUPPORT DEVICE FOR WALKING ON SLIPPERY, SLOPE AND/OR ROUGH TERRAIN, IN PARTICULAR SNOW-COVERED OR ICE-COVERED TERRAIN |
-
1990
- 1990-08-20 CA CA 2023621 patent/CA2023621A1/en not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5482071A (en) * | 1995-03-07 | 1996-01-09 | Liu; Ching-Yuan | Crutch combination having rescuing tools |
| US6328048B1 (en) * | 2000-06-27 | 2001-12-11 | Andre B. Rivera, Sr. | Multi-use patient aid |
| EP1529460A3 (en) * | 2003-11-05 | 2005-07-27 | Harald Martin Bäumle | Attachment device for an interchangable tip and stick with such a device |
| IT202100005789A1 (en) * | 2021-03-11 | 2022-09-11 | Tompoma S R L | SUPPORT DEVICE FOR WALKING ON SLIPPERY, SLOPE AND/OR ROUGH TERRAIN, IN PARTICULAR SNOW-COVERED OR ICE-COVERED TERRAIN |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |