ACTUATOR

WIPO Patent Application WO/2021/177058

A1

A gear (30) formed in a reduction gear (25) provided to this actuator comprises: a hole for joining a component or an insert component (22); a center part (46); an outer circumferential part (48); a connecting part (49); a gate mark (50); a welded part (51); and a rib-shaped part (47, 471-477). The hole for joining a component or the insert component is provided to a position that includes a rotation axis (Ax) of the gear. The center part is disposed so as to encircle the hole for joining a component or the insert component. The outer circumferential part comprises a toothed portion (58) and a non-toothed portion (59) that are disposed on the outer circumference of the gear. The connecting part connects between the center part and the outer circumferential part. The gate mark is formed at a site on the radially inner side of the toothed portion of the outer circumferential part, the center part, and the connecting part. The welded part is formed at a site on the radially inner side of the non-toothed portion of the outer circumferential part, the center part, and the connecting part. The rib-shaped part is provided at a location which encompasses the portions, including the welded part, of the center part, the connecting part, and the outer circumferential part (48), and which is formed thicker than the remaining circumferential site.

KOUNO NAOAKI (JP)
YAMANAKA TETSUJI (JP)
YAMAGUCHI MASASHI (JP)

PCT/JP2021/006378

September 10, 2021

February 19, 2021

Click for automatic bibliography generation  

DENSO CORP (JP)

B29C45/14; B29C45/26; F02B37/18; F16H55/06; F16H55/17

WO2017056764A1	2017-04-06
WO2017163731A1	2017-09-28
WO2017203895A1	2017-11-30

JP2011052811A	2011-03-17
JP2005212279A	2005-08-11
JPS4871459A	1973-09-27

YOU-I PATENT FIRM (JP)

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