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Patent Searching and Data


Title:
CRAWLER TRAVELING DEVICE
Document Type and Number:
Japanese Patent JP2000142502
Kind Code:
A
Abstract:

To improve the riding comfortableness of a crawler traveling device, to enhance the durability of rubber rolling parts of a rubber crawler and the tire part of the turning wheel, and at the same time to prevent the lateral slippage or come off of the crawler even in an uneven road surface.

In a crawler traveling device provided with a rubber crawler 1 in which a core metal 4 having a pair of right and left guide projections 3, 3 projected inwardly and in the nearly width directional central part inside a crawler body 2 consisting of an elastic material is embedded in the longitudinal direction at prescribed intervals and a pair of right and left rubber rolling parts 5, 5 are formed in the width directional outward of the guide projections 3, 3 and in the inner circumferential surface of the crawler, and with turning wheels 20 for rolling rubber rolling parts 5, 5; the turning wheel 20 comprises a boss 21, an intermediate flange 24 formed in the width directional central part of the boss 21, ring-shaped tires 25, 25 of an elastic material fitted to both end part the outer circumferential part of the boss 21, and a prescribed gap a1 between the width directional side surface of the intermediate flange 24 and each of the guide projections 3, 3 is made less than the prescribed gap b between each of the inside surfaces of the tires 25, 25 and each of outside surfaces of the guide projections 3, 3.


Inventors:
HORI KAZUTOSHI
YAMAMOTO SADATSUGU
WATANABE HIROAKI
Application Number:
JP1998000343639
Publication Date:
May 23, 2000
Filing Date:
November 18, 1998
Export Citation:
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Assignee:
KOMATSU MFG CO LTD
International Classes:
B62D55/08; B62D55/104; B62D55/14; B62D55/253; (IPC1-7): B62D55/14; B62D55/08; B62D55/253
Attorney, Agent or Firm:
Yoshihiko Hashizume