Patent US3954079A successfully refreshed from Google Patents.
US3954079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual hull water bicycle
Assignee: Individual
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Filing: 1975-03-10
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Granted: 1976-05-04
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Expires: 1995-03-10
Abstract
Abstract A dual hull water bicycle for use over land and water comprising in combination a pair of passenger-carrying side boats operably connected to a centrally disposed bicycle type frame member which provides independent, disengagable dual propulsion through a laterally extending drive shaft disengable from wheel axle shafts for land propulsion and disengageable from a lever gear operably connecting said drive shaft to a propeller drive shaft for propulsion over water.
Inventors
- 👤 Mohammed S. Gof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:51
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0061; B60F3/0084; B63; B63H; B63H16/00; B63H16/08; B63H16/20; B63H2016/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
282 words
A dual hull water bicycle for use over land and water comprising in combination: two boat hulls each formed by a bottom having a continuous upwardly extending sidewall therearound; said hulls having a converging bow and a substantially square stern; said bottoms extending upwardly at their bows and sterns; a bicycle frame member centrally disposed between two of said hulls; supporting means to secure said bicycle frame to and between said hulls; steering means carried by said bicycle frame between the bow ends of said hulls; a wheel operatively connected to said steering means and positioned below and between the forward exterior portions of the bows of said hulls; a drive shaft extending laterally of, below and rotatably carried by the exterior of each of said hulls adjacent their sterns; a bicycle sprocket on said frame member; a bicycle pedal within each hull and connected operably with said bicycle sprocket on said frame member; a second sprocket on said drive shaft; an endless chain carried by said sprockets; axle shafts in communication with said drive shaft and extending laterally therefrom such that one axle shaft extends under each of said hulls; said axle shafts capable of being engaged with and disengaged from said drive shaft; a wheel mounted on each of said axle shafts; a bevel gear mounted on said drive shaft; a propeller shaft extending rearward from said drive shaft and having a bevel gear on its forward end; said propeller shaft being secured between each of said hulls by mounting brackets which permit a slight movement of said propeller shaft such that its bevel gear may be engaged with with and disengaged from said bevel gear on said drive shaft.
Claim 2
Dependent Claim
282 words
A dual hull water bicycle for use over land and water comprising in combination: two boat hulls each formed by a bottom having a continuous upwardly extending sidewall therearound; said hulls having a converging bow and a substantially square stern; said bottoms extending upwardly at their bows and sterns; a bicycle frame member centrally disposed between two of said hulls; supporting means to secure said bicycle frame to and between said hulls; steering means carried by said bicycle frame between the bow ends of said hulls; a wheel operatively connected to said steering means and positioned below and between the forward exterior portions of the bows of said hulls; a drive shaft extending laterally of, below and rotatably carried by the exterior of each of said hulls adjacent their sterns; a bicycle sprocket on said frame member; a bicycle pedal within each hull and connected operably with said bicycle sprocket on said frame member; a second sprocket on said drive shaft; an endless chain carried by said sprockets; axle shafts in communication with said drive shaft and extending laterally therefrom such that one axle shaft extends under each of said hulls; said axle shafts capable of being engaged with and disengaged from said drive shaft; a wheel mounted on each of said axle shafts; a bevel gear mounted on said drive shaft; a propeller shaft extending rearward from said drive shaft and having a bevel gear on its forward end; said propeller shaft being secured between each of said hulls by mounting brackets which permit a slight movement of said propeller shaft such that its bevel gear may be engaged with with and disengaged from said bevel gear on said drive shaft.
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) | 1979-05-04 | 1979-11-03 | 1980-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-04 | 1983-11-03 | 1984-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-04 | 1987-11-03 | 1988-05-04 | $7700.00 | Window Closed / Lapsed |