Title:
WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/202665
Kind Code:
A1
Abstract:
A work machine (1) comprises: a rear machine body (2B) on which an operator seat (13) is mounted; a front machine body (2A) that is equipped with a work tool (9); a center shaft (252) that has a first axis (X1) that extends in the front to rear direction; a first support unit (260) that supports the center shaft with respect to the rear machine body so as to allow rotation around the first axis; a connection shaft (251) that has a second axis (Z1) extending in the vertical direction and that is connected to the front machine body; and a second support unit (270) that supports the center shaft with respect to the connection shaft so as to allow rotation around the second axis. The first support unit has a first spherical slide bearing (264) that has a first inner ring (264a) having a convex sliding face and mounted to the outer circumferential face of the center shaft and a first outer ring (264b) having a concave sliding face and mounted to the rear machine body.
Inventors:
IWAMOTO TERUHIKO (JP)
SUZUKI KUNIHIRO (JP)
ONO HITOSHI (JP)
CHIBA YUKIYA (JP)
MATSUSHITA TETSUJI (JP)
SUZUKI KUNIHIRO (JP)
ONO HITOSHI (JP)
CHIBA YUKIYA (JP)
MATSUSHITA TETSUJI (JP)
Application Number:
PCT/JP2019/050110
Publication Date:
October 08, 2020
Filing Date:
December 20, 2019
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
E02F9/00
Foreign References:
| JP2018053559A | 2018-04-05 | |||
| JP2000296727A | 2000-10-24 | |||
| JP2008101345A | 2008-05-01 | |||
| JPS6385569U | 1988-06-04 | |||
| JP2006016764A | 2006-01-19 | |||
| JP2003119816A | 2003-04-23 | |||
| JP2019132068A | 2019-08-08 | |||
| JP2011245988A | 2011-12-08 | |||
| JP2007146582A | 2007-06-14 | |||
| JP2005225247A | 2005-08-25 |
Attorney, Agent or Firm:
YASUDA & OKAMOTO PATENT ATTORNEYS (JP)
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