Title:
WASHER
Document Type and Number:
Japanese Patent JP2019044837
Kind Code:
A
Abstract:
To provide a washer capable of improving lubrication performance.SOLUTION: A partially annular washer 200 comprises an oil groove formed on a slide surface 210, which receives force in an axial direction of a crank shaft 30. The oil groove comprises: a main oil groove 240 capable of guiding lubricant from an upstream side end part in a rotational direction of the crank shaft 30 of the slide surface 210 to a downstream side end part thereof; and an outer peripheral side branch oil groove 250 and an inner peripheral side branch oil groove 260 formed so as to extend from the main oil groove 240 toward at least one of an inner peripheral surface and outer peripheral surface, having one end opened in the main oil groove 240, and closed in a direction where the other end extends.SELECTED DRAWING: Figure 10
Inventors:
NAMBA TADASHI
Application Number:
JP2017167368A
Publication Date:
March 22, 2019
Filing Date:
August 31, 2017
Export Citation:
Assignee:
TAIHO KOGYO CO LTD
International Classes:
F16C9/02; F16C17/04
Attorney, Agent or Firm:
Toyohiko Nagata
Takafumi Hidefumi
Takafumi Hidefumi