ROTATION ANGLE CONTROL DEVICE, AUTOMATIC CLEARANCE ADJUSTING ARM, AND VEHICLE BRAKE

Title:

ROTATION ANGLE CONTROL DEVICE, AUTOMATIC CLEARANCE ADJUSTING ARM, AND VEHICLE BRAKE

Document Type and Number:

WIPO Patent Application WO/2021/088340

Kind Code:

A1

Abstract:

A rotation angle control device, comprising: a mandrel (12); a transmission gear (13), sleeved on the mandrel (12); a clutch sleeve (15), sleeved on the mandrel (12) and having a first axial counterbore (141) located on an end face of one side of the clutch sleeve (15) distant from the transmission gear (13); a second worm (18), sleeved on the mandrel (12) and having a second axial counterbore (161) located on an end face of one side of the second worm (18) adjacent to the transmission gear (13); and an external support spring (16), sleeved on the mandrel (12) and having an outer circular surface in interference fit with inner bore surfaces of the first axial counterbore (141) and the second axial counterbore (161). Also disclosed are an automatic clearance adjusting arm comprising the rotation angle control device, and a vehicle brake comprising the automatic clearance adjusting arm.

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AUTOMATIC ADJUSTING DEVICE FOR ADJUSTABLE MECHANISM

Inventors:

YE TIANZENG (CN)
YE JIADA (CN)
LIAO ZIRUN (CN)
CAI YONGJIE (CN)

Application Number:

PCT/CN2020/088459

Publication Date:

May 14, 2021

Filing Date:

April 30, 2020

Export Citation:

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Assignee:

BPW MEIZHOU AXLE CO LTD (CN)

International Classes:

F16D65/70; F16D65/58

Foreign References:

CN110701223A	2020-01-17
US20190345998A1	2019-11-14
CN109372917A	2019-02-22
CN2474803Y	2002-01-30
CN202746467U	2013-02-20
CN208669906U	2019-03-29
US20190301553A1	2019-10-03

Other References: