Title:
WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/137358
Kind Code:
A1
Abstract:
Provided is a working machine that has a suitable lubrication configuration. A front grease retention unit 30 is provided under a front plunger 57 and a wall is provided between the retention unit and a gear accommodation unit 52a. Furthermore, a front grease receiving member 30a is provided under the front plunger 57 and a front metal bearing 61, and grease falling into the front grease receiving member 30a is sent toward the outer circumferential face of the front plunger 57. The grease in a grease reservoir groove 35 is pushed out by using the vertical oscillation of a front metal anchor bolt 72 in orbital mode. A rear grease receiving member 40a is provided under a rear plunger 58 and a rear metal bearing 62, and grease falling into the rear grease receiving member 40a is sent toward the outer circumferential face of the rear plunger 58. The grease in a grease reservoir groove 45 is pushed out by using the vertical oscillation of a rear metal anchor bolt 73 in orbital mode.
Inventors:
NAKANO RYOSUKE (JP)
YOKOYAMA YOSHIKAZU (JP)
INUI KEN (JP)
YOKOYAMA YOSHIKAZU (JP)
INUI KEN (JP)
Application Number:
PCT/JP2019/046791
Publication Date:
July 02, 2020
Filing Date:
November 29, 2019
Export Citation:
Assignee:
KOKI HOLDINGS CO LTD (JP)
International Classes:
B23D51/00; B23D49/10; B23D59/04; B27B19/09
Domestic Patent References:
| WO2018221105A1 | 2018-12-06 |
Foreign References:
| US5450925A | 1995-09-19 | |||
| JPH0544414U | 1993-06-15 |
Other References:
See also references of EP 3903978A4
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