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Country: US United States of America

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8 pages

Inventor: James, Jack C.; Long Beach, CA

Assignee: Walt Disney Productions, Burbank, CA
other patents from WALT DISNEY PRODUCTIONS (617670) (approx. 22)
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Published / Filed: 1973-01-09 / 1971-01-21

Application Number: US1971000108481

IPC Code: Advanced: A63H 11/10; B62D 61/04;
Core: A63H 11/00; B62D 61/00;
IPC-7: B62D 39/00;

U.S. Class: Current: 180/021; 180/313; 280/001.22;
Original: 180/021; 180/001.R; 280/001.22;

Field of Search: 180/021,6.48,22 280/1.22

Priority Number:
1971-01-21  US1971000108481

Abstract: An articulated vehicle including a frame having front and rear frame portions connected together on their adjacent sides by transversely extending pivot means. A pair of main wheels carry the pivot means and front and rear castor wheels carry the front and rear extremities of the respective front and rear frame portions. Control means is provided for driving the main wheels independently for steering the vehicle whereby such vehicle may be maneuvered in relatively restricted areas and articulation of such frame will enable the castor wheels to shift vertically with respect to the main wheels to accomodate uneven and irregular terrain.

Attorney, Agent or Firm: Fulwider, Patton, Rieber, Lee & Utecht ;

Primary / Asst. Examiners: Betts, Kenneth H.; Pekar, John A.

Family: None

First Claim:
Show all 5 claims
    1. An articulated vehicle comprising:
  • a frame including front and rear frame portions;
  • pivot means connecting adjacent ends of said frame portions together;
  • a pair of main wheels carrying said frame at said pivot means;
  • front and rear caster wheels carrying the remote ends of said respective front and rear frame portions;
  • a limit device interconnecting said frame portions and operative to limit relative movement therebetween;
  • load-receiving means on said front and rear frame portions;
  • drive means for driving said vehicle; and
  • control means for controlling said vehicle whereby said frame may be driven over relatively uneven terrain and said frame portions will articulate about said pivot means to enable said caster wheels to move upwardly and downwardly with respect to said main wheels while providing support for a load carried on said load-receiving means and said limit device will limit

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Forward References: Show 20 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (20)   |   Backward references (4)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 4pp US2067546* 1967-01 Rocher    
Get PDF - 7pp US3520378  1970-07 Slay   MOTOR-DRIVEN WHEELED VEHICLES
Get PDF - 4pp US2625771* 1953-01 Herrick    
  * some details unavailable
Foreign References:
Publication Date IPC Code Assignee   Title
Buy PDF FR0474270 1915-02  B62D 61/04 CHARLES MARIUS MOTTE Chassis automobile 
  CH0033537 1905-04       

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