Title:
ROLLER WHEEL FOR TRACK BELT-TYPE TRAVELING VEHICLE
Document Type and Number:
WIPO Patent Application WO/2014/203563
Kind Code:
A1
Abstract:
Provided is a roller wheel for a track belt-type traveling vehicle, the roller wheel being configured so that a bearing for supporting a roller shell has a long life. A roller wheel for a track belt-type traveling vehicle is provided with: a shaft (24) which has a cylindrical outer peripheral surface; a roller shell (23) which is disposed so as to circumferentially surround a part of the outer peripheral surface of the shaft (24) and which has an annular end surface and a cylindrical inner peripheral surface which faces the outer peripheral surface; a collar which is affixed to the shaft (24) and which has an annular facing surface which faces the end surface; a radial slide bearing (25) which is disposed between the outer peripheral surface and the inner peripheral surface; and a thrust slide bearing (26) which is disposed between the end surface and the facing surface. The thrust slide bearing ((26) is provided as a separate body from the radial slide bearing (25). The roller wheel is provided with a rotation prevention structure which prevents the thrust slide bearing (26) from rotating relative to the roller shell (23).
Inventors:
KITA NAOAKI (JP)
Application Number:
PCT/JP2014/054867
Publication Date:
December 24, 2014
Filing Date:
February 27, 2014
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
B62D55/14
Foreign References:
| JPS56110079U | 1981-08-26 | |||
| JPS5188747U | 1976-07-15 | |||
| JPS5411578B2 | 1979-05-16 | |||
| JPS58121776U | 1983-08-19 | |||
| JP2001080550A | 2001-03-27 |
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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