Patent US3823959A successfully refreshed from Google Patents.
US3823959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two wheel drive bicycle
Assignee: Individual
•
Filing: 1971-12-29
•
Granted: 1974-07-16
•
Expires: 1991-12-29
Abstract
Abstract A bicycle which includes a frame supported at its rear on a rear wheel, the front of the frame being supported on a steering post supported on a front wheel; the rear wheel being powered or braked by a foot pedal unit, and the front wheel being powered or braked by a hand pedal unit mounted on the steering post.
Inventors
- 👤 R Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:18
CPC Classifications
B; B62; B62M; B62M1/00; B62M1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
248 words
In a two wheel drive bicycle the combination of a front and rear wheel, a frame supported at its rear on said rear wheel, a front of said frame supported pivotally free on a steering post upon a fork supported on said front wheel, handle bars on said steering post, a seat on said frame, a foot pedal unit mounted on said frame to power and brake said rear wheel, and a hand pedal unit for powering and braking said front wheel, Said hand pedal unit comprising a mounting bracket fitted on said steering post supporting a rotatable hand pedal sprocket fitted with hand pedals, a coaster brake and sprocket fitted on a hub of said front wheel, and an endless chain interconnecting said sprockets, a transverse axis of said hand pedal sprocket being rearwardly of a generally vertical axis of said steering post, said hand pedal sprocket being located to one side of a longitudinal central axis of said bicycle so that said chain clears said frame and is aligned with said wheel sprocket, horizontal and vertical adjustment means being provided for ideal location of said hand pedal sprocket, said hand pedals being located equally spaced sidewardly from said longitudinal axis of said bicycle, and said hand sprocket being in an open area so that said hand pedals clear said steering post and steering handle bars, said handle bars each accordingly being of a generally U-shape when viewed from a side so to form said open area.
Claim 2
Dependent Claim
248 words
In a two wheel drive bicycle the combination of a front and rear wheel, a frame supported at its rear on said rear wheel, a front of said frame supported pivotally free on a steering post upon a fork supported on said front wheel, handle bars on said steering post, a seat on said frame, a foot pedal unit mounted on said frame to power and brake said rear wheel, and a hand pedal unit for powering and braking said front wheel, Said hand pedal unit comprising a mounting bracket fitted on said steering post supporting a rotatable hand pedal sprocket fitted with hand pedals, a coaster brake and sprocket fitted on a hub of said front wheel, and an endless chain interconnecting said sprockets, a transverse axis of said hand pedal sprocket being rearwardly of a generally vertical axis of said steering post, said hand pedal sprocket being located to one side of a longitudinal central axis of said bicycle so that said chain clears said frame and is aligned with said wheel sprocket, horizontal and vertical adjustment means being provided for ideal location of said hand pedal sprocket, said hand pedals being located equally spaced sidewardly from said longitudinal axis of said bicycle, and said hand sprocket being in an open area so that said hand pedals clear said steering post and steering handle bars, said handle bars each accordingly being of a generally U-shape when viewed from a side so to form said open area.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |