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US3610358A Expired / Lapsed US ⏱️ 0.0 years remaining

Cycle car

Assignee: Individual
•
Filing: 1969-07-23
•
Granted: 1971-10-05
•
Expires: 1989-07-23
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Abstract

Abstract A three-wheel convertible car has a forebody having a front crossframe, a centerline frame, and a rollbar frame, which is bolted to the front of a standard two-wheel motorcycle frame from which the front wheel and front fork have been removed.

Inventors

  • 👤 Walter H Korff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 16:08
CPC Classifications
B; B62; B62K; B62K5/00; B62K5/02; B62K5/027; B62D; B62D61/00; B62D61/06; B62D61/065; B62K13/00; B62K13/04; B62K5/05

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 76 words
A convertible cycle car unit, comprising: a. a forebody including a front frame with two laterally spaced front wheels and a steering assembly connected thereto, b. a rear driving section including a two-wheel cycle frame, motor and controls, and a rear wheel, and c. said forebody front frame having a centerline frame and vertically spaced bolt means for connecting said front frame to the front of the two-wheel cycle frame which has its front fork removed.
Claim 2
Dependent Claim 76 words
A convertible cycle car unit, comprising: a. a forebody including a front frame with two laterally spaced front wheels and a steering assembly connected thereto, b. a rear driving section including a two-wheel cycle frame, motor and controls, and a rear wheel, and c. said forebody front frame having a centerline frame and vertically spaced bolt means for connecting said front frame to the front of the two-wheel cycle frame which has its front fork removed.
Claim 3
Dependent Claim 32 words
The convertible cycle car as set forth in claim 1, wherein: a. said forebody frame includes a rollbar frame rigidly connected to a floor which is also connected to said centerline frame.
Claim 4
Dependent Claim 54 words
The convertible cycle car as set forth in claim 1, wherein: a. the two front wheels are approximately the same size as the cycle rear wheel, and b. said forebody frame accommodates passengers so that the center of gravity is slightly forward of the cycle frame and almost as low as the wheel hubs.
Claim 5
Dependent Claim 66 words
The convertible cycle car as set forth in claim 1, wherein: a. said forebody front frame includes a front crossframe on which the two front wheels are mounted, b. said front crossframe is perpendicularly disposed to and integral with the longitudinally extending centerline frame, and c. said cycle frame is bolted at the top and bottom front points thereof to the rear of said forebody frame.
Claim 6
Dependent Claim 40 words
The convertible cycle car as set forth in claim 1, wherein: a. said forebody includes a front crossframe on which the steering assembly for the wheels is crossframe and b. through which the legs of the driver and rider extend.
Claim 7
Dependent Claim 38 words
The convertible cycle car as set forth in claim 2, wherein: a. the seats for driver and passenger are disposed immediately ahead of said rollbar frame, and the seating surface is approximately as low as the wheel hubs.
Claim 8
Dependent Claim 27 words
The convertible cycle car as set forth in claim 6, wherein: a. a pedal control assembly is disposed within said forebody in front of said front wheels.
Claim 9
Dependent Claim 109 words
A convertible cycle car, comprising: a. a forebody including a front crossframe, a longitudinally extending centerline frame, and a rollbar frame, b. a two-wheel motorcycle, including motor, controls and rear wheel which is complete except for the front wheel and front fork, c. the front of said motorcycle having its frame removably connected at the top and bottom thereof to the rear of said forebody frame, d. the forebody frame supporting a wheel on each side of the front crossframe, each wheel being approximately equal in diameter to the rear cycle wheel, and e. a steering wheel and steering linkage mounted on said crossframe and connected to said wheels.
Claim 10
Dependent Claim 109 words
A convertible cycle car, comprising: a. a forebody including a front crossframe, a longitudinally extending centerline frame, and a rollbar frame, b. a two-wheel motorcycle, including motor, controls and rear wheel which is complete except for the front wheel and front fork, c. the front of said motorcycle having its frame removably connected at the top and bottom thereof to the rear of said forebody frame, d. the forebody frame supporting a wheel on each side of the front crossframe, each wheel being approximately equal in diameter to the rear cycle wheel, and e. a steering wheel and steering linkage mounted on said crossframe and connected to said wheels.
Claim 11
Dependent Claim 40 words
The convertible cycle car as set forth in claim 8, wherein: a. said three wheels form a triangle wherein the center of gravity of the vehicle is located approximately equidistant between the front wheels and forward of the cycle frame.
Claim 12
Dependent Claim 22 words
The convertible cycle car as set forth in claim 8, wherein: a. said forebody frame is made of hollow steel tubing members.
Claim 13
Dependent Claim 51 words
The convertible cycle car as set forth in claim 8, wherein: a. said forebody frame and said cycle frame are connected by a bolt assembly which includes two parallel spaced sideplates welded to the rear of said forebody frame and into which a front portion of said motorcycle frame is fitted.
Claim 14
Dependent Claim 59 words
The convertible cycle car as set forth in claim 8, wherein: a. said wheels are supported by two vertically spaced pivoTed support assemblies each including a link attached to the front crossframe at one end, and b. the other end of each link being attached to one of two vertically spaced universal joints mounted on a wheel support plate.
Claim 15
Dependent Claim 75 words
The convertible cycle car as set forth in claim 12, wherein: a. a steering wheel column is mounted on said crossframe immediately in front of the driver and connected to a rack and pinion assembly mounted on said crossframe, and b. steering control linkage mounted on said crossframe and connected to said rack and pinion assembly at one end, and to the wheel support unit at the other end to deflect said wheel support plate.
Claim 16
Dependent Claim 32 words
The convertible cycle car as set forth in claim 13, wherein: a. a shock absorber is mounted on said crossframe adjacent each wheel and connected to one of said wheel support links.

References Cited (Backward Citations)

US1488037A Cited
AT178544B Cited
FR1158965A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-04 1975-04-05 1975-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-04 1979-04-05 1979-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-04 1983-04-05 1983-10-05 $7700.00 Window Closed / Lapsed

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