CA1086794A - Hand-driven or pedal-driven vehicle - Google Patents
Hand-driven or pedal-driven vehicleInfo
- Publication number
- CA1086794A CA1086794A CA312,186A CA312186A CA1086794A CA 1086794 A CA1086794 A CA 1086794A CA 312186 A CA312186 A CA 312186A CA 1086794 A CA1086794 A CA 1086794A
- Authority
- CA
- Canada
- Prior art keywords
- frame
- framework
- hand
- seat
- driven
- 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.)
- Expired
Links
Abstract
ABSTRACT
A hand-driven vehicle having front and rear road wheels at least one of which is hand driven, a frame interconnecting the front and rear road wheels and having at least two elongate frame members extending longitudinally of the vehicle, and a seat mounted on both frame members and adjustable in location therealong.
A hand-driven vehicle having front and rear road wheels at least one of which is hand driven, a frame interconnecting the front and rear road wheels and having at least two elongate frame members extending longitudinally of the vehicle, and a seat mounted on both frame members and adjustable in location therealong.
Description
. LC3~,~ 9~
Hand-Driven Vehicle This invention relates to a hand-driven vehicle.
My U.K. Patent No. 1,366,558 describes and claims a tricycle including a frame, a seat and a pair of freely 5 rotatable wheels located generally at one end of the frame and attached thereto as one unit adjustable in location therealong, and a wheel assembly pivotally mounted at the other end of the frame, the wheel assembly including a wheel and hand driving means therefor and 10 being pivotable on the frame about an axis which is normal to the axis of rotation of the wheel through an angle of substantially 180. The tricycle of said U.K. Patent is highly adjustable to suit different sizes of user and i9 particularly designed for physically handicapped 15 children. However, it does suffer~from one drawback which arises because of the nature of the frame on which the unit comprising the seat and rear wheels is mounted;
the frame has a single bubular bar extending fore-and-aft of the tricycle, and on this bar the unit is mounted, but 20 it has been found that the support for the unit provided by the bar is not sufficient to prevent the séat shifting in use relative to the frame. This is emphasised as a result of the effort being applied to the hand driving means, wh~ch produces a corresponding reaction at the seat.
According to th0 present invention there is provided :
. . . ~ . . .
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a hand-drlven -tricycle including passive leg support means, a body frame, a single :roadwheel assembly rotatably rnounted on said frame, said roadwheel assembly including hand driving means and said frame including at least two longitudinal 5 parallel frame members vertically aligned, a seat, a pair of freely rotatable roadwheels, a framework, said seat mounted on said framework, an axle for said roadwheels, said axle mounted on said framework, said framework includiny a plurality of vertically depending members, said seat and 10 roadwheels and framework and depending members coacting as a unit, at least two of said depending members adapted to be selectively positioned along said frame engaging at least two of said plurality of frame members for longitudinal positioning said unit.
An embodiment of the invention will now be described by way of example with reference to the accompanying drawings, in which:-Fig. l is a side view of a tricycle of the present invention; and Fig. 2 is a plan view of the tricycle of Fig. l.
The embodiment shown in the drawings is a hand-driven 25 tricycle having a frame 2 including a pair of parallel circular section frame members 4, 6 extending along the longitudinal axis of the tricycle. A pair of rear road wheels 8 are rotatably mounted one on each end of a horizontal axle lO extending across the frame 2. A seat 12 and the rear 3û wheels 8 are attached to the frame members 4, 6 `:~
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as one unit which is adjustable in location along the members. This unit includes a bar support 14 connectlng the underside of the seat at its front end to the frame members, and a framework 16 connecting the rear end o~
5 the seat to the axle lO at points adjacent each of the rear wheels 8. To allow for the adjustment of the unit a portion o~ the ~ramework 16 extendlng vertically downwards from the seat 12 is connected to the frame members 4, 6 by means of lugs 18, 20 respectively, and the bar support lO 14 is similar~ connected to the ~rame members 4, o, by lugs 22, 24 respectively. Each of the lugs is slidable along its respective frame member and can be secured in any desired position thereon by means of bolts or screws. The tricycle further includes a front wheel 15 assembly comprising an arm 26 having a fork 27 at one end. A front road wheel 28 is mounted for rotation within the fork 27. A crank arrangement 30 having a pair of crank levers 31 is welded to the other end of the arm 26 with the~axis of the crank arrangement parallel to 20 the axis of rotation~of the wheel 28, and the chain 32 extend3 between a cog 34 provided on the crank arrangement and a cog 36 on the front wheel 28. A handle 38 is rotatably attached to the free end of each ¢ the crank levers 31 and is used for driving the front wheel 28 25 via the chain.
The front wheel assembly is pivotably mounted on a front end of the frame 2 for movement about an axis which is normal to the axis of rotation of the front wheel 28, 30 and,to facilitate reach and positiveisteering by a user the axi~ is inclined to the vertical such that the crank arrangement, which is at the upper end of the arm 26, is nearer to the usar than is the wheel 28.
35 The pivotal mounting is pro!Jided by means of a pair of spaced brackets 40 welded to the arm 26 intermediate the crank arrangement 30 and the wheel 28 and extending rearwards for connection to each end of a tubular member - ` .:
:
.
~ .
-:~ ,: -rotatably contalne~ within a ~leeve ~2 provi~ed on the front end of the frame 2 at a desired angle for mounting the front wheel assembly in its incline~ position, i.e.
such that the tubular member is disposed parallel to the 5 arms 26. The lengths of the bracket 40 is chosen such that the front wheel assembly is located forwardly of the sleeve 42 and can pivot ~bout said sleeve throu~h an angle of about 180. The handles 38 are also used for steering the tricycle.
A leg support 44 is adjustably mounted on the lower frame member 6 at its front end but may be located in any desired position thereon. The leg support comprises a horizontal cross bar 46 extending across the frame member 6 and 15 attached thereto by means of a lug 50. A supporting pad 52 formed from a plate having an overlying pad of soft material such as foam rubber is adjustably attached to each end of the cross bar 46 so as to be movable thereon, and/or able to be pivoted thereon by means of an adjustable 20 ring clamp 54 welded to the underside of the pad at a position off centre so that a greater degree of adjustment is possible by reversing the pads. The supporting pads 52 are shaped so as to support comfortably appropriate parts of a user's legs, for example the calves.
A removable cover 56 is provided over the front wheel assembly to protect a user from moving parts such as the chain and the cogs.
30 A b~aRe--is provided for the tricycle in the form of a bar 58 whose end portion~ are bent so as to be engageable with each of the rear wheels 8. The bar 58 is connected to a portion of the framework 16 by a pair of rods 60, and a brake lever 62 is provided on the bar 58. The braking 35 asse~bly is mounted in an over centre arrangement so that the end portions of the bar 58 are immediately engageable with the rear wheels 8; the brake is therefore used as a parking brake.
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,-- .
In use, the tricycle can be slowed down by means of a back pedalling brake built i.n to the front wheel assembly.
The tricycle of this embodiment is adjustable to suit 5 almost any size of user and the provision of the tWG
frame members 4, 6, provides a high degree of : stability for the seat 12. Moreover, the tricycle arrangement of the wheels gives ~tability to the vehicle and the manner of mounting the front wheel assembly to 10 the ~rame confers a high degree of manoeuvrability.
- ~ :
.
-
Hand-Driven Vehicle This invention relates to a hand-driven vehicle.
My U.K. Patent No. 1,366,558 describes and claims a tricycle including a frame, a seat and a pair of freely 5 rotatable wheels located generally at one end of the frame and attached thereto as one unit adjustable in location therealong, and a wheel assembly pivotally mounted at the other end of the frame, the wheel assembly including a wheel and hand driving means therefor and 10 being pivotable on the frame about an axis which is normal to the axis of rotation of the wheel through an angle of substantially 180. The tricycle of said U.K. Patent is highly adjustable to suit different sizes of user and i9 particularly designed for physically handicapped 15 children. However, it does suffer~from one drawback which arises because of the nature of the frame on which the unit comprising the seat and rear wheels is mounted;
the frame has a single bubular bar extending fore-and-aft of the tricycle, and on this bar the unit is mounted, but 20 it has been found that the support for the unit provided by the bar is not sufficient to prevent the séat shifting in use relative to the frame. This is emphasised as a result of the effort being applied to the hand driving means, wh~ch produces a corresponding reaction at the seat.
According to th0 present invention there is provided :
. . . ~ . . .
, ~ ~ . . . ............ : ., , . , . : .
. .: , ~. ., :
a hand-drlven -tricycle including passive leg support means, a body frame, a single :roadwheel assembly rotatably rnounted on said frame, said roadwheel assembly including hand driving means and said frame including at least two longitudinal 5 parallel frame members vertically aligned, a seat, a pair of freely rotatable roadwheels, a framework, said seat mounted on said framework, an axle for said roadwheels, said axle mounted on said framework, said framework includiny a plurality of vertically depending members, said seat and 10 roadwheels and framework and depending members coacting as a unit, at least two of said depending members adapted to be selectively positioned along said frame engaging at least two of said plurality of frame members for longitudinal positioning said unit.
An embodiment of the invention will now be described by way of example with reference to the accompanying drawings, in which:-Fig. l is a side view of a tricycle of the present invention; and Fig. 2 is a plan view of the tricycle of Fig. l.
The embodiment shown in the drawings is a hand-driven 25 tricycle having a frame 2 including a pair of parallel circular section frame members 4, 6 extending along the longitudinal axis of the tricycle. A pair of rear road wheels 8 are rotatably mounted one on each end of a horizontal axle lO extending across the frame 2. A seat 12 and the rear 3û wheels 8 are attached to the frame members 4, 6 `:~
. . . . . . .
.. . , ,, . .: : .. . - - :
.: . . . . ~ - .: . . :
: ~ ....
. . . .
.: . - :
. .. :. .
i'7~
as one unit which is adjustable in location along the members. This unit includes a bar support 14 connectlng the underside of the seat at its front end to the frame members, and a framework 16 connecting the rear end o~
5 the seat to the axle lO at points adjacent each of the rear wheels 8. To allow for the adjustment of the unit a portion o~ the ~ramework 16 extendlng vertically downwards from the seat 12 is connected to the frame members 4, 6 by means of lugs 18, 20 respectively, and the bar support lO 14 is similar~ connected to the ~rame members 4, o, by lugs 22, 24 respectively. Each of the lugs is slidable along its respective frame member and can be secured in any desired position thereon by means of bolts or screws. The tricycle further includes a front wheel 15 assembly comprising an arm 26 having a fork 27 at one end. A front road wheel 28 is mounted for rotation within the fork 27. A crank arrangement 30 having a pair of crank levers 31 is welded to the other end of the arm 26 with the~axis of the crank arrangement parallel to 20 the axis of rotation~of the wheel 28, and the chain 32 extend3 between a cog 34 provided on the crank arrangement and a cog 36 on the front wheel 28. A handle 38 is rotatably attached to the free end of each ¢ the crank levers 31 and is used for driving the front wheel 28 25 via the chain.
The front wheel assembly is pivotably mounted on a front end of the frame 2 for movement about an axis which is normal to the axis of rotation of the front wheel 28, 30 and,to facilitate reach and positiveisteering by a user the axi~ is inclined to the vertical such that the crank arrangement, which is at the upper end of the arm 26, is nearer to the usar than is the wheel 28.
35 The pivotal mounting is pro!Jided by means of a pair of spaced brackets 40 welded to the arm 26 intermediate the crank arrangement 30 and the wheel 28 and extending rearwards for connection to each end of a tubular member - ` .:
:
.
~ .
-:~ ,: -rotatably contalne~ within a ~leeve ~2 provi~ed on the front end of the frame 2 at a desired angle for mounting the front wheel assembly in its incline~ position, i.e.
such that the tubular member is disposed parallel to the 5 arms 26. The lengths of the bracket 40 is chosen such that the front wheel assembly is located forwardly of the sleeve 42 and can pivot ~bout said sleeve throu~h an angle of about 180. The handles 38 are also used for steering the tricycle.
A leg support 44 is adjustably mounted on the lower frame member 6 at its front end but may be located in any desired position thereon. The leg support comprises a horizontal cross bar 46 extending across the frame member 6 and 15 attached thereto by means of a lug 50. A supporting pad 52 formed from a plate having an overlying pad of soft material such as foam rubber is adjustably attached to each end of the cross bar 46 so as to be movable thereon, and/or able to be pivoted thereon by means of an adjustable 20 ring clamp 54 welded to the underside of the pad at a position off centre so that a greater degree of adjustment is possible by reversing the pads. The supporting pads 52 are shaped so as to support comfortably appropriate parts of a user's legs, for example the calves.
A removable cover 56 is provided over the front wheel assembly to protect a user from moving parts such as the chain and the cogs.
30 A b~aRe--is provided for the tricycle in the form of a bar 58 whose end portion~ are bent so as to be engageable with each of the rear wheels 8. The bar 58 is connected to a portion of the framework 16 by a pair of rods 60, and a brake lever 62 is provided on the bar 58. The braking 35 asse~bly is mounted in an over centre arrangement so that the end portions of the bar 58 are immediately engageable with the rear wheels 8; the brake is therefore used as a parking brake.
- ' ` ' ' - ' ' ' ' ' . .. . . :. . . :.
`
~: .. : . . ' - . . -, 3~i~7~'~
,-- .
In use, the tricycle can be slowed down by means of a back pedalling brake built i.n to the front wheel assembly.
The tricycle of this embodiment is adjustable to suit 5 almost any size of user and the provision of the tWG
frame members 4, 6, provides a high degree of : stability for the seat 12. Moreover, the tricycle arrangement of the wheels gives ~tability to the vehicle and the manner of mounting the front wheel assembly to 10 the ~rame confers a high degree of manoeuvrability.
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.
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Claims (2)
1. A hand-driven tricycle including passive leg support means, a body frame, a single roadwheel assembly rotatably mounted on said frame, said roadwheel assembly including hand driving means and said frame including at least two longitudinal parallel frame members vertically aligned, a seat, a pair of freely rotatable roadwheels, a framework, said seat mounted on said framework, an axle for said roadwheels, said axle mounted on said framework, said framework including a plurality of vertically depending members, said seat and roadwheels and framework and depending members coacting as a unit, at least two of said depending members adapted to be selectively positioned along said frame engaging at least two of said plurality of frame members for longitudinal positioning said unit.
2. A hand-driven tricycle according to Claim 1, including means for longitudinally adjusting said leg support means.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1597978 | 1978-04-22 | ||
| GB15979/78 | 1978-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1086794A true CA1086794A (en) | 1980-09-30 |
Family
ID=10069046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA312,186A Expired CA1086794A (en) | 1978-04-22 | 1978-09-27 | Hand-driven or pedal-driven vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1086794A (en) |
-
1978
- 1978-09-27 CA CA312,186A patent/CA1086794A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |