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Patent Searching and Data


Title:
DAMPER DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/051594
Kind Code:
A1
Abstract:
A spring retaining seat (42) for retaining a coiled spring of a damper device has formed thereon a flat section (43), a recess (44), and an inner diameter-side protrusion (45). A clutch hub (10) with which the spring retaining seat (42) comes in contact has formed thereon: a flat section (14) coming in contact with the flat section (43); a protrusion (15) coming in contact with the recess (44); and an inner diameter-side recess (16) coming in contact with the inner diameter-side protrusion (45). A gap (s) is provided between a region of the spring retaining seat (42) and a region of the clutch hub (10), the regions being located between a second contact point (B) where the recess (44) and the protrusion (15) come in contact with each other, and a third contact point (C) where the inner diameter-side protrusion (45) and the inner diameter-side recess (16) come in contact with each other. The shape of each section is formed so that contact at each contact point (A, B, C) will occur at the same time when the spring retaining seat (42) and the clutch hub (10) come in contact with each other.

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Inventors:
NONOMURA MITSUGU (JP)
FUKAYA NOBUKI (JP)
OOSUMI TOMOYA (JP)
KUMAOKA TSUYOSHI (JP)
KUBOTA SATOSHI (JP)
Application Number:
PCT/JP2016/070717
Publication Date:
March 30, 2017
Filing Date:
July 13, 2016
Export Citation:
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Assignee:
AISIN SEIKI (JP)
International Classes:
F16F15/134; F16D13/64; F16H45/02
Foreign References:
JP2008249007A2008-10-16
JPH01146040U1989-10-06
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
Patent business corporation ARC PATENT ATTORNEYS' OFFICE (JP)
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