Patent FR991146A successfully refreshed from Google Patents.
US3753577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sporting velocipede
Assignee: Individual
•
Filing: 1971-03-02
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Granted: 1973-08-21
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Expires: 1991-03-02
Abstract
Abstract A sport vehicle is described which comprises a three-wheeled velocipede having an arrangement of seat, pedal assembly and handle bars that achieves maximum maneuverability and speed. This arrangement comprises seat means positioned on the frame between the rear wheels, preferably below their axle height, pedal and crank assembly means positioned on the forward portion of the frame at an elevation that is preferably about the seat with interconnecting drive means to one or both rear wheels, and handle bar means between the seat and pedal assembly for steering the vehicle.
Inventors
- 👤 R Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:56
CPC Classifications
B; B62; B62K; B62K3/00; B62K3/005; B62K5/00; B62K5/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
200 words
A three wheeled velocipede and thE like having a frame comprising a polygonal rear frame section defined by wing and side bar members and a longitudinal frame section supported thereby and projecting along the centerline of said cycle at an inclined angle, upwardly and forwardly, from the polygonal rear frame section, a forward wheel rotatably supported by a fork pivotably secured to the forward portion of said longitudinal frame section for directional control of the velocipede and a pair of wheels rotatably supported by stub axles lying on a common axis and carried by said side bars of said polygonal frame section, seat means carried by said frame at said inclined angle, at an elevation below and at substantially the same longitudinal position of said axis, foot operated propulsion means supported by a forward portion of said longitudinal frame section at an elevation above the elevation of said seat means, mechanical linking means operatively connecting said propulsion means in a driving relationship to at least one of said rear wheels, hand grip means positioned between said seat means and said propulsion means, and means mechanically linking said hand grip means to said fork to effect pivoting thereof on said frame.
Claim 2
Dependent Claim
200 words
A three wheeled velocipede and thE like having a frame comprising a polygonal rear frame section defined by wing and side bar members and a longitudinal frame section supported thereby and projecting along the centerline of said cycle at an inclined angle, upwardly and forwardly, from the polygonal rear frame section, a forward wheel rotatably supported by a fork pivotably secured to the forward portion of said longitudinal frame section for directional control of the velocipede and a pair of wheels rotatably supported by stub axles lying on a common axis and carried by said side bars of said polygonal frame section, seat means carried by said frame at said inclined angle, at an elevation below and at substantially the same longitudinal position of said axis, foot operated propulsion means supported by a forward portion of said longitudinal frame section at an elevation above the elevation of said seat means, mechanical linking means operatively connecting said propulsion means in a driving relationship to at least one of said rear wheels, hand grip means positioned between said seat means and said propulsion means, and means mechanically linking said hand grip means to said fork to effect pivoting thereof on said frame.
Claim 3
Dependent Claim
17 words
The velocipede of claim 1 wherein said foot propulsion means comprises a pedal, crank and sprocket assembly.
Claim 4
Dependent Claim
45 words
The velocipede of claim 2 wherein the angle between a line passing through the center of the hand grip means and the seat and a line passing through the center of the foot propulsion means and the seat is no greater than about 45 degrees.
Claim 5
Dependent Claim
15 words
The velocipede of claim 3 wherein the angle is no greater than about 30 degrees.
Claim 6
Dependent Claim
32 words
The velocipede of claim 3 wherein said pedal, crank and sprocket assembly is carried by a bracket that is slidably attached to said longitudinal member to accommodate different leg lengths of riders.
Claim 7
Dependent Claim
15 words
The velocipede of claim 3 wherein said longitudinal frame section comprises a pair of bars.
References Cited (Backward Citations)
US571069A
Cited
FR744065A
Cited
US690733A
Cited
FR709378A
Cited
US2147732A
Cited
GB496086A
Cited
US3177962A
Cited
US3222078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |