Title:
TRAVEL CARRIAGE
Document Type and Number:
WIPO Patent Application WO/2020/110334
Kind Code:
A1
Abstract:
Provided is a travel carriage which has a simple structure, and, when necessary, can change direction and move parallel to a lateral direction at a current location thereof. A travel carriage comprising a base 3 and at least one travel unit 2 provided to the base 3, wherein said travel unit 2 comprises: a steering axle 4 which is supported by the base 3 so as to be freely rotatable; a housing 7 which is provided to an end part of the steering axle 4; a vehicle axle 8 which is supported by the housing 7 so as to be freely rotatable in a direction orthogonal to the steering axle 4; a first vehicle wheel 9 which is affixed to the vehicle axle 8; a second vehicle wheel 10 which is supported by the vehicle axle 8 so as to be able to rotate in at least one direction; and a drive axle 11, which passes through an inner part of the steering axle 4 and rotates and drives the vehicle axle 8.
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Inventors:
SUGAHARA SUMIO (JP)
Application Number:
PCT/JP2019/012865
Publication Date:
June 04, 2020
Filing Date:
March 26, 2019
Export Citation:
Assignee:
SK MACHINERY CO LTD (JP)
International Classes:
B62B3/02; B61B13/00; B62B3/00; B62D5/04; B62D7/09; B62D7/15
Foreign References:
| JPS6261879A | 1987-03-18 | |||
| US20120312623A1 | 2012-12-13 | |||
| JP2015070981A | 2015-04-16 | |||
| JP2001199356A | 2001-07-24 | |||
| JP2009208527A | 2009-09-17 |
Attorney, Agent or Firm:
SHOYO INTELLECTUAL PROPERTY FIRM (JP)
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