Title:
ELASTIC CRAWLER
Document Type and Number:
WIPO Patent Application WO/2012/039431
Kind Code:
A1
Abstract:
Provided is an elastic crawler which has improved flexibility while suppressing the occurrence of defects in a portion to which driving force is input during traveling. A rubber crawler (10) comprises: a rubber crawler body (11) which is formed into an endless belt shape by a rubber material; cored bars (14) which are embedded in the rubber crawler body (11) at intervals in the crawler circumferential direction; engaging recessed sections (24) which are formed between the adjacent cored bars (14) on the inner peripheral surface of the rubber crawler body (11) and with which a sprocket (100) is engaged; and a high hardness section (30) which configures a portion of the inner peripheral section of the rubber crawler body (11) including the engaging recessed sections (24) and which is formed by high hardness rubber (30G) with higher hardness than that of the other portions of the rubber crawler body (11), thereby making it possible to improve the flexibility while suppressing the occurrence of the defects in the engaging recessed sections (24) to which the driving force is input during the traveling.
Inventors:
ABIKO YUTAKA (JP)
Application Number:
PCT/JP2011/071505
Publication Date:
March 29, 2012
Filing Date:
September 21, 2011
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
ABIKO YUTAKA (JP)
ABIKO YUTAKA (JP)
International Classes:
B62D55/253
Foreign References:
| JP2003063461A | 2003-03-05 | |||
| JPS5643068A | 1981-04-21 | |||
| JPH0648333A | 1994-02-22 | |||
| JP2005343326A | 2005-12-15 |
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
Nakajima 淳 (JP)
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Claims:
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