Title:
ROLLER WHEEL FOR TRACK BELT-TYPE TRAVELING VEHICLE
Document Type and Number:
WIPO Patent Application WO/2010/140558
Kind Code:
A1
Abstract:
A roller wheel for a track belt-type traveling vehicle, configured in such a manner that uneven contact between a roller including a bearing, such as a bush, and a shaft is minimized. A roller wheel for a track belt-type traveling vehicle, comprising a shaft (2), a roller assembly (3a) disposed on the outer periphery of the shaft (2), and a bush (4) for rotatably supporting the roller assembly (3a) on the shaft (2). The roller assembly (3a) is provided with an inner roller shell (12), an outer roller shell (13), and a joining ring (14). The inner roller shell (12) is disposed on the inner side close to a vehicle frame (8) and has in the outer peripheral section at the outer end thereof an annular groove (15a) having a ridge (15b) located in the inside thereof. The outer roller shell (13) is disposed outside the inner roller shell (12) and has an annular groove (25a) having a ridge (25b) in the inside thereof. The joining ring (14) engages with both the ridges (15b, 25b) of the annular rings (15a, 25a) to join the roller shells (12, 13) together.
Inventors:
HASHIMOTO AKIRA (US)
YAMASHITA TATSUO (JP)
NAKAISHI HIROYUKI (JP)
YAMASHITA TATSUO (JP)
NAKAISHI HIROYUKI (JP)
Application Number:
PCT/JP2010/059174
Publication Date:
December 09, 2010
Filing Date:
May 31, 2010
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
HASHIMOTO AKIRA (US)
YAMASHITA TATSUO (JP)
NAKAISHI HIROYUKI (JP)
HASHIMOTO AKIRA (US)
YAMASHITA TATSUO (JP)
NAKAISHI HIROYUKI (JP)
International Classes:
B62D55/14
Foreign References:
| JP2004149111A | 2004-05-27 | |||
| JPS385707Y1 | ||||
| JP2001271977A | 2001-10-05 | |||
| JP2007170176A | 2007-07-05 | |||
| JPH0527487U | 1993-04-09 |
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
fresh green -- a global IP patent business corporation (JP)
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