US5042608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Front-wheel-drive motorcycle
Assignee: Honda Motor Co Ltd
•
Filing: 1989-09-05
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Granted: 1991-08-27
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Expires: 2009-09-05
Abstract
Abstract A front-wheel-drive motorcycle includes a main frame supporting a rear wheel with a rounded tread tire mounted thereon and also supporting a saddle seat, and a front frame supporting a front drive wheel with a flat tread tire mounted thereon. The main frame is coupled to the front frame by a joint shaft extending in a longitudinal direction and is angularly movable about the joint shaft.
Inventors
- 👤 Satoru Horiike
- 👤 Yasuhiko Nakano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:35
CPC Classifications
B; B62; B62K; B62K21/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
71 words
A front-wheel-drive motorcycle comprising: a main frame supporting a rear wheel with a rounded tread tire mounted thereon and also supporting a saddle seat; a front frame supporting a front drive wheel with a flat tread tire mounted thereon; and a joint shaft extending in a longitudinal direction of the motorcycle, said main frame being coupled to said front frame by said joint shaft for angular movement about the joint shaft.
Claim 2
Dependent Claim
71 words
A front-wheel-drive motorcycle comprising: a main frame supporting a rear wheel with a rounded tread tire mounted thereon and also supporting a saddle seat; a front frame supporting a front drive wheel with a flat tread tire mounted thereon; and a joint shaft extending in a longitudinal direction of the motorcycle, said main frame being coupled to said front frame by said joint shaft for angular movement about the joint shaft.
Claim 3
Dependent Claim
32 words
A front-wheel-drive motorcycle according to claim 1, wherein said joint shaft extends at an angle such that the axis thereof passes below a point where said rear wheel contacts a road surface.
Claim 4
Dependent Claim
26 words
A front-wheel-drive motorcycle according to claim 1, further including a power unit for driving said front wheel, said power unit being mounted on said front frame.
Claim 5
Dependent Claim
23 words
A front-wheel-drive motorcycle according to claim 3, further including a swing arm by which said front wheel is supported on said front frame.
Claim 6
Dependent Claim
19 words
A front-wheel-drive motorcycle according to claim 1, wherein said main frame has a front portion overhanging said front frame.
Claim 7
Dependent Claim
17 words
A front-wheel-drive motorcycle according to claim 1, further including a steering handle for steering said rear wheel.
Claim 8
Dependent Claim
34 words
A front-wheel-drive motorcycle according to claim 6, wherein said steering handle is mounted on a front portion of said main frame, said rear wheel being supported on a rear portion of said main frame.
Claim 9
Dependent Claim
26 words
A front-wheel-drive motorcycle according to claim 7, further including means on said main frame for transmitting steering action of said steering handle to said rear wheel.
References Cited (Backward Citations)
FR919322A
Cited
US3340947A
Cited
GB1180212A
Cited
US3800898A
Cited
DE2930122A1
Cited
US4666018A
Cited
US4662469A
Cited
US4712638A
Cited
JPS62282333A
Cited
US4917209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-26 | 1995-02-25 | 1995-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-26 | 1999-02-25 | 1999-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-26 | 2003-02-25 | 2003-08-27 | $7700.00 | Window Closed / Lapsed |