Title:
【発明の名称】クローラ軌道組立体
Document Type and Number:
Japanese Patent JP2725867
Kind Code:
B2
Abstract:
PCT No. PCT/AU89/00106 Sec. 371 Date Sep. 14, 1992 Sec. 102(e) Date Sep. 14, 1992 PCT Filed Mar. 17, 1989 PCT Pub. No. WO89/08577 PCT Pub. Date Sep. 21, 1989A crawler track mechanism including a plurality of track plates each mounted on track chain links, the chain links being interconnected by bushes having an outer sleeve rotatably journalled on an inner sleeve which in turn is rotatably journalled on a central cylindrical pin). A drive sprocket, and if necessary an idler sprocket, includes recesses having a semi-circular cross section to receivably locate the bushes. The bushes, by virtue of the relative rotation between the pin, the inner sleeve and the outer sleeve, reduce friction and wear between the drive sprocket and the chain bushes.
Inventors:
TAANAA ROBAATO JON
Application Number:
JP50290689A
Publication Date:
March 11, 1998
Filing Date:
March 17, 1989
Export Citation:
Assignee:
TAANAA ROBAATO JON
International Classes:
B62D55/21; B62D55/20; B62D55/28; (IPC1-7): B62D55/21
Domestic Patent References:
| JPS60166572A | 1985-08-29 | |||
| JPS6046387B2 | 1985-10-15 | |||
| JPS5651681B2 | 1981-12-07 |
Attorney, Agent or Firm:
Akira Asamura (3 outside)