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Title: US5590605: Conveying device with self steering powered caster
[ Derwent Title ]

Country: US United States of America

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12 pages

Inventor: Salter, Kenneth D.; Glendale, CA
Armstrong, Daniel A.; Simi Valley, CA
Fredrick, Ted W.; Saugus, CA

Assignee: The Walt Disney Company, Burbank, CA
other patents from WALT DISNEY COMPANY (617665) (approx. 101)
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Published / Filed: 1997-01-07 / 1995-11-20

Application Number: US1995000560828

IPC Code: Advanced: A63G 25/00; B62D 1/26;
Core: B62D 1/00; more...
IPC-7: B61B 12/02; B61F 13/00;

ECLA Code: A63G25/00; B62D1/26;

U.S. Class: Current: 104/139; 104/053; 104/242; 180/401;
Original: 104/139; 104/053; 104/242; 180/401;

Field of Search: 104/139,140,53,242,244.1,247 105/72.2 180/401 280/776,81.6

Priority Number:
1995-11-20  US1995000560828

Abstract: A transport system for moving along a track on a support surface. The system includes a body, a guide system and a powered self-steering caster assembly. The guide system cooperates with the track to apply lateral forces to the body to guide it along a predetermined path when a propulsive force is applied to the body. The powered self-steering caster assembly has a pivot joint and a wheel driven by a motor. The wheel has a center of rotation and is rotatably mounted to engage the support surface and roll in a forward direction. The pivot joint is mounted to the body to allow the wheel to pivot about a predetermined axis intersecting the support surface forward of the engagement between the wheel and the support surface. The wheel drives the body and pivots in response to frictional side slip forces between the wheel and the support surface without restraint from a steering linkage. An optional viscous damper mounted between the body and the caster assembly allows operation of the transport system at speeds in excess of those available without such a damper.

Attorney, Agent or Firm: Newburry, Keith A.Pretty, Schroeder, Brueggemann & Clark ;

Primary / Asst. Examiners: Oberleitner, Robert J.; Rutherford, Kevin D.

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 28 claims
We claim:     1. A transport system for moving along a track on a support surface, comprising:
  • a body;
  • a guide system mounted to the body for cooperation with the track to apply lateral forces to the body to guide it along a predetermined path when a driving force is applied to the body; and
  • a powered self-steering caster assembly mounted to the body and having a pivot joint and a wheel,
    • the wheel rotatably mounted to the caster assembly and engaging the support surface, the wheel powered by a motor to roll the wheel about a center of rotation in a forward direction along the support surface, and
    • the pivot joint mounted for rotation of the wheel about a predetermined axis intersecting the support surface in front of the engagement between the wheel and the support surface to allow the wheel to rotate about the axis in response to frictional side slip forces between the wheel and the support surface, the wheel free of restraint from a steering linkage actively controlling the position of the wheel in response to the direction of the track.

Background / Summary: Show background / summary

Drawing Descriptions: Show drawing descriptions

Description: Show description

Forward References: Show 6 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (6)   |   Backward references (30)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 4pp US779351  1905-01 Douglas   DRIVING-GEAR FOR MOTOR-VEHICLES.
Get PDF - 6pp US981131  1911-01 Spangler   RAILWAY-CAR.
Get PDF - 7pp US1256558  1918-02 Hild   MOTOR-VEHICLE.
Get PDF - 6pp US1317518* 1919-09 MacFarren    
Get PDF - 5pp US1750559  1930-03 Adams   Railway car
Get PDF - 33pp US1880953  1932-10 Fageol   Rail car construction
Get PDF - 11pp US1883357  1932-10 Fageol   Rail car
Get PDF - 8pp US1981655* 1934-11 Lucke, Jr.    
Get PDF - 5pp US2101024* 1937-12 Heinze    
Get PDF - 3pp US2181377* 1939-11 Mabie    
Get PDF - 5pp US2207167* 1940-07 Stoltz    
Get PDF - 10pp US3031024  1962-04 Ulinski   All directional industrial truck
Get PDF - 14pp US3557707  1971-01 Joy   RAILWAY TRAIN SUSPENSION
Get PDF - 6pp US3756335  1973-09 Eisele et al.  Siemens Aktiengesellschaft AUTOMOTIVE VEHICLE EQUIPPED WITH AN ALTERNATING-CURRENT DRIVE
Get PDF - 16pp US3865208  1975-02 Crawshay et al.  Canadian Mine Services Ltd. HYDRAULIC DRIVE APPARATUS FOR WHEELED VEHICLE
Get PDF - 7pp US3881427  1975-05 Blume   Monorail car and wheel assembly
Get PDF - 11pp US3942449  1976-03 Nelson  LTV Aerospace Corporation Transportation system
Get PDF - 9pp US4078630  1978-03 Krieg  Digitron AG Steering control system for remote controlled transportation units
Get PDF - 6pp US4083310  1978-04 Emori et al.   Vehicle guidance system incorporating track
Get PDF - 4pp US4125169  1978-11 Harris et al.  National Research Development Corporation Wheelchairs
Get PDF - 12pp US4483405  1984-11 Noda et al.  Koyu Enterprise, Inc. Omnidirectional motorized wheelchair
Get PDF - 14pp US4800977  1989-01 Boegli et al.  JD-Technologie AG Control system for driving and steering driverless transport devices
Get PDF - 8pp US4843810  1989-07 Kabilka et al.  Zinser Textilmaschinen GmbH Apparatus for inclination adjustment of a traveling service unit for a textile spinning mill machine
Get PDF - 11pp US5004061  1991-04 Andruet   Electrically powered motor vehicle
Get PDF - 17pp US5012886  1991-05 Jonas et al.   Self-guided mobile unit and cleaning apparatus such as a vacuum cleaner comprising such a unit
Get PDF - 9pp US5058016  1991-10 Davidovitch   Computerized electrical vehicle
Get PDF - 14pp US5123357  1992-06 Fujita et al.  Daifuki Co., Ltd. Conveyor driven by linear motor with rolling surface of rail acting as secondary for the motor
Get PDF - 15pp US5222568  1993-06 Higasa et al.  Kabushiki Kaisha Shikoku Sogo Kenkyujo Electric vehicle
Get PDF - 16pp US5456184  1995-10 Fritz  The Walt Disney Company Lateral energy absorbing device for slot guided vehicle
  * some details unavailable
Foreign References:
Publication Date IPC Code Assignee   Title
Buy PDF - 8pp DE3905301 1990-08  B62D 1/00 MAN Nutzfahrzeuge AG, 8000 Muenchen, DE Spurfuehrungseinrichtung fuer ein spurfuehrbares Radfahrzeug 
  GB0603469 1948-06    BATCHELOR, MICHAEL Method for cleaning external surfaces of cars, van, lorries buses, by means of ompressed air, water and cleaning fluid 

Other Abstract Info: DERABS G97-086195 DERG97-086195

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