Patent US3666035A successfully refreshed from Google Patents.
US3666035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sports vehicle steered by inclination of driver{40 s body
Assignee: Individual
•
Filing: 1969-10-27
•
Granted: 1972-05-30
•
Expires: 1989-10-27
Abstract
Abstract The invention relates to a three-wheeled power-driven vehicle wherein a motor driven frictional driving member is brought into engagement with a ground engaged traction wheel with steering of the vehicle being accomplished by the driver thereof leaning laterally toward one side or the other of the vehicle.
Inventors
- 👤 Jean Paul Antoine Dudouyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:44
CPC Classifications
B; B62; B62K; B62K5/00; B62K5/02; B62K5/05; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38; B60G17/00; B60G17/02; B60G17/023; B62D; B62D61/00; B62D61/06; B62D61/065; B60G2202/00; B60G2202/10; B60G2202/14; B60G2202/143; B60G2300/00; B60G2300/26
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
171 words
A sports vehicle comprising, A. a chassis including 1. a principal frame extending substantially in a horizontal plane and having a front end and a rear end, said principal frame includinG a. two laterally disposed side members, b. cross-bars interconnecting said side members at their front end and their mid portion, 2. a secondary frame secured to said principal frame and having two lateral side members each including a downwardly and forwardly sloping portion, B. a seat attached to said chassis between said downwardly and forwardly sloping portions of said secondary frame, said lastnamed portions constituting lateral restraining bars for the occupant of said seat, C. a directional front wheel train mounted on said principal frame in the vicinity of the front end thereof, D. means for changing the orientation of said directional wheel train by tilting said chassis and E. a sole rear wheel mounted and rotatably supported on said principal frame in the vicinity of the rear end thereof in permanent alignment with the symmetry plane of said vehicle.
Claim 2
Dependent Claim
171 words
A sports vehicle comprising, A. a chassis including 1. a principal frame extending substantially in a horizontal plane and having a front end and a rear end, said principal frame includinG a. two laterally disposed side members, b. cross-bars interconnecting said side members at their front end and their mid portion, 2. a secondary frame secured to said principal frame and having two lateral side members each including a downwardly and forwardly sloping portion, B. a seat attached to said chassis between said downwardly and forwardly sloping portions of said secondary frame, said lastnamed portions constituting lateral restraining bars for the occupant of said seat, C. a directional front wheel train mounted on said principal frame in the vicinity of the front end thereof, D. means for changing the orientation of said directional wheel train by tilting said chassis and E. a sole rear wheel mounted and rotatably supported on said principal frame in the vicinity of the rear end thereof in permanent alignment with the symmetry plane of said vehicle.
Claim 3
Dependent Claim
119 words
a secondary frame secured to said principal frame and having two lateral side members each including a downwardly and forwardly sloping portion, B. a seat attached to said chassis between said downwardly and forwardly sloping portions of said secondary frame, said last-named portions constituting lateral restraining bars for the occupant of said seat, C. a directional front wheel train mounted on said principal frame in the vicinity of the front end thereof, D. means for changing the orientation of said directional wheel train by tilting said chassis and E. a sole rear wheel mounted and rotatably supported on said principal frame in the vicinity of the rear end thereof in permanent alignment with the symmetry plane of said vehicle.
Claim 4
Dependent Claim
119 words
a secondary frame secured to said principal frame and having two lateral side members each including a downwardly and forwardly sloping portion, B. a seat attached to said chassis between said downwardly and forwardly sloping portions of said secondary frame, said last-named portions constituting lateral restraining bars for the occupant of said seat, C. a directional front wheel train mounted on said principal frame in the vicinity of the front end thereof, D. means for changing the orientation of said directional wheel train by tilting said chassis and E. a sole rear wheel mounted and rotatably supported on said principal frame in the vicinity of the rear end thereof in permanent alignment with the symmetry plane of said vehicle.
Claim 5
Dependent Claim
18 words
A sports vehicle as defined in claim 1, including an engine drivingly connected to said sole rear wheel.
Claim 6
Dependent Claim
51 words
A sports vehicle as defined in claim 1, including A. two manually graspable handles affixed to said chassis in front of both sides of said seat, and B. a further cross-bar rigidly attached to said chassis in front of said seat to be firmly engaged by the feet of the driver.
Claim 7
Dependent Claim
44 words
A sports vehicle as defined in claim 3, including A. an engine drivingly connected to said sole rear wheel, B. a brake control lever mounted on one of said handles and C. an engine power control lever mounted on the other of said handles.
Claim 8
Dependent Claim
42 words
A sports vehicle as defined in claim 1, wherein said secondary frame has a front end and a rear end; said vehicle further includes dismountable means securing the front end of said secondary frame to the mid portion of said principal frame.
Claim 9
Dependent Claim
54 words
A sports vehicle as defined in claim 1, including A. a horizontal plate member affixed to said chassis and disposed symmetrically with respect to the plane of symmetry of said vehicle and B. a base forming part of said directional front wheel train; said base is affixed to and below said horizontal plate member.
Claim 10
Dependent Claim
46 words
A sports vehicle as defined in claim 1, wherein each lateral side member of said secondary frame has an upwardly extending portion in front of said downwardly and forwardly extending portion; said vehicle includes two manually graspable handles, one mounted on each said upwardly extending portion.
Claim 11
Dependent Claim
94 words
A sports vehicle as defined in claim 1, including a seat formed of a shell and having a base and a back; said base is mounted by securing means to a cross-bar interconnecting said side members of said principal frame; said securing means includes a plurality of bolts, each passing through a block of resilient material disposed between the underside of said base and the last-named cross-bar; said secondary frame comprises a cross-bar connecting said lateral side members of said secondary frame, said last-named cross-bar extends behind said back for a free support thereof.
Claim 12
Dependent Claim
41 words
A sports vehicle as defined in claim 1, wherein said directional front wheel train includes an axle; said vehicle further comprises means to resiliently secure said axle to said chassis for a vertical springing motion of said directional front wheel train.
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) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |