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Title: US5011171: Self-propelled vehicle
[ Derwent Title ]


Country: US United States of America

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8 pages

 
Inventor: Cook, Walter R.; Port Lavaca, TX 77979

Assignee: None

Published / Filed: 1991-04-30 / 1990-04-20

Application Number: US1990000512168

IPC Code: Advanced: B62K 1/00;
Core: more...
IPC-7: B62K 1/00;

U.S. Class: Current: 280/221;
Original: 280/221; D21/194;

Field of Search: 280/221 D21/194

Priority Number:
1990-04-20  US1990000512168

Abstract: A self-propelled vehicle comprising a first wheel, a second wheel, and a third wheel of greater diameter than the first and second wheels. The third wheel has a center of rotation that is aligned with the first and second wheels. A first pedal connects the first wheel and the third wheel. A second wheel connects the second wheel and the third wheel. The first and second pedals are offset by 180 degrees relative to the third wheel. The third wheel has a width greater than the first and second wheels. The center of rotation of the third wheel is aligned with the centers of rotation of the first and second wheels. The pedal has a suitable width for the receipt of a human foot. The first and second pedals are detachably connected to the wheels. A suitable snap-ring is provided so as to allow each of the pedals to be received by each of the wheels of the present invention.

Attorney, Agent or Firm: Harrison & Egbert ;

Primary / Asst. Examiners: Hill, Mitchell J.;

Maintenance Status: E2 Expired  Check current status

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 20 claims
I claim:     1. A self-propelled vehicle comprising:
  • a first wheel;
  • a second wheel; and
  • a third wheel of greater diameter than said first and second wheels, said third wheel having a center of rotation aligned with said first and second wheels, said third wheel connected to said first wheel by a first pedal, said third wheel connected to said second wheel by a second pedal, said first and second wheels located on opposite sides of said third wheel.


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Forward References: Show 46 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (46)   |   Backward references (11)   |   Citation Link

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PDF
Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 1pp USD216817* 1970-03 Purdy    
Get PDF - 3pp US3107926* 1963-10 Verge    
Get PDF - 6pp US3109675* 1965-06 Tang    
Get PDF - 6pp US3190675* 1965-06 Tang    
Get PDF - 3pp US3221445* 1965-12 Riva    
Get PDF - 5pp US3304098* 1967-02 Sloan et al.    
Get PDF - 2pp US3318614* 1967-05 Lee    
Get PDF - 3pp US3506283  1970-04 Tang   PEDAL CONSTRUCTION AND UNICYCLE INCORPORATING SAME
Get PDF - 7pp US4786067  1988-11 Tang   Unicycle
Get PDF - 7pp US4786068  1988-11 Tang   Unicycle
Get PDF - 16pp US4786069  1988-11 Tang   Unicycle
  * some details unavailable
       
Foreign References:
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PDF
Publication Date IPC Code Assignee   Title
  AU0275591 1965-03       
  CA0768034 1967-09       
Buy PDF FR1398045 1965-03  B62K 17/00   Jeu 
  GB1059390 1967-02       


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