GEAR, WORM GEAR, AND ROBOT - DAINIPPON INK & CHEMICALS

Title:

GEAR, WORM GEAR, AND ROBOT

Document Type and Number:

WIPO Patent Application WO/2024/004299

Kind Code:

A1

Abstract:

The purpose of the present disclosure is to provide: a gear that has low rate of dimensional change caused by thermal expansion and water absorption even when a resin gear is used, and has excellent durability and dimensional accuracy under high temperature and high humidity conditions; a worm gear; and a robot.　The present disclosure provides a gear that has a first tooth portion formed on the outer circumference and is composed of a polyarylene sulfide resin having a melt viscosity (V6) of 50-4000 Pa·s.

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Inventors:

TAKAHASHI YOSHIHISA (JP)
MORI KOTARO (JP)
KUROKAWA RYUHEI (JP)
KURATA KUNITO (JP)

Application Number:

PCT/JP2023/012342

Publication Date:

January 04, 2024

Filing Date:

March 27, 2023

Export Citation:

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Assignee:

DAINIPPON INK & CHEMICALS (JP)

International Classes:

F16H55/06; B25J19/00; C08G75/02; C08K5/541; C08L1/02; C08L81/02

Domestic Patent References:

WO2015159712A1

2015-10-22

Foreign References:

JP2008020011A	2008-01-31
JPH0788866A	1995-04-04
JP2014136787A	2014-07-28
JP2017128210A	2017-07-27
JP2020108958A	2020-07-16

Attorney, Agent or Firm:

AWANO Haruo (JP)

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