US4456276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicycle assembly
Assignee: Individual
•
Filing: 1982-04-08
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Granted: 1984-06-26
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Expires: 2002-04-08
Abstract
Abstract A bicycle having a frame, a driven wheel rotatably supported on the frame, a drive sprocket rotatably mounted on the frame, a driven sprocket fixed to said wheel, a chain extending between the sprockets; a pair of levers pivotally attached to the frame, and a pair of links extending between the drive sprocket and levers, a pedal fixed to the extremity of each lever, and wherein said drive sprocket is rotated by the reciprocation of said pedals.
Inventors
- 👤 Peter Bortolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:16
CPC Classifications
B; B62; B62M; B62M1/00; B62M1/24; B62M1/32; B62M1/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
158 words
A velocipede including a frame; at least one rear driven wheel rotatably mounted on the frame; and a pedal drive assembly oppositely mounted on the frame and operatively associated with said wheel to drive the wheel; said assembly including a pair of pedal levers pivotally mounted on the frame so as to be pivotable about a first axis, a pedal mounted on the other end of each lever, a drive sprocket mounted on said frame for rotation about a fixed second axis, a driven sprocket attached to said wheel so as to drive same, said driven sprocket being rotatable about the rotational axis of said wheel, a link being pivotally attached to each lever intermediate its extremities and pivotally attached to said drive sprocket so as to rotate same upon reciprocation of said pedals, and wherein said first axis is spaced from the wheel axis and is fixed relative to the frame at a location above said wheel.
Claim 2
Dependent Claim
158 words
A velocipede including a frame; at least one rear driven wheel rotatably mounted on the frame; and a pedal drive assembly oppositely mounted on the frame and operatively associated with said wheel to drive the wheel; said assembly including a pair of pedal levers pivotally mounted on the frame so as to be pivotable about a first axis, a pedal mounted on the other end of each lever, a drive sprocket mounted on said frame for rotation about a fixed second axis, a driven sprocket attached to said wheel so as to drive same, said driven sprocket being rotatable about the rotational axis of said wheel, a link being pivotally attached to each lever intermediate its extremities and pivotally attached to said drive sprocket so as to rotate same upon reciprocation of said pedals, and wherein said first axis is spaced from the wheel axis and is fixed relative to the frame at a location above said wheel.
Claim 3
Dependent Claim
19 words
The velocipede of claim 1 wherein said first axis is located generally vertically above the axis of said wheel.
Claim 4
Dependent Claim
17 words
The velocipede of any one of claim 1 wherein said pedals are non-rotatably fixed to said levers.
References Cited (Backward Citations)
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DE90023C
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FR375243A
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US1202656A
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FR1102611A
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DE2361093A1
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FR2412456A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-26 | 1987-12-26 | 1988-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-26 | 1991-12-26 | 1992-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-26 | 1995-12-26 | 1996-06-26 | $7700.00 | Window Closed / Lapsed |