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Title:
TENSIONER
Document Type and Number:
WIPO Patent Application WO/2023/200010
Kind Code:
A1
Abstract:
A tensioner according to the present invention comprises a mainspring that biases a tensioning member. The mainspring generates damping force by the frictional force when sliding occurs between leaf springs (21a) wound in a spiral shape. The sliding surface (21a1) of the leaf spring (21a) has a protruding portion (31), the end surface of which is the sliding part, and a recessed portion (41) from which is discharged abrasion powder generated by sliding of the sliding part.

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Inventors:
SEKI HIDEAKI (JP)
YAMAGUCHI SHINPEI (JP)
USAMI HATSUHIKO (JP)
Application Number:
PCT/JP2023/015205
Publication Date:
October 19, 2023
Filing Date:
April 14, 2023
Export Citation:
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Assignee:
DAIDO KOGYO KK (JP)
UNIV MEIJO (JP)
International Classes:
F16H7/08; F16F1/10
Foreign References:
JP2020020417A2020-02-06
JP2018145977A2018-09-20
JP2015137686A2015-07-30
Attorney, Agent or Firm:
CHIKASHIMA & ASSOCIATES (JP)
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