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Patent Searching and Data


Title:
LINEAR DAMPER AND ROTARY DAMPER
Document Type and Number:
WIPO Patent Application WO/2019/065028
Kind Code:
A1
Abstract:
Provided are a linear damper and a rotary damper which have desired damping characteristics and a simple structure. These dampers (1) are provided with a cylinder (4), a rod (50), and a plurality of granular bodies (90). The cylinder (40) has a first space (S11) formed therein. The rod (50) is partially accommodated inside the first space (S11) and protrudes to the outside. In addition, the rod (50) can reciprocate relative to the cylinder (40) in the center axis direction. Furthermore, the rod (50) forms a filling space (S1), between the rod (50) and the cylinder (40), inside the first space (S11). The plurality of granular bodies (90) are filled in the filling space (S1). In addition, the shape and area of the cross-section, in a direction perpendicular to the central axis, at a predetermined position in the central axis direction of the rod (50) changes according to the movement of the rod (50).

Inventors:
CHIKAMATSU SATOSHI (JP)
TOYOUCHI ATSUSHI (JP)
SEKINE SHINICHI (JP)
MASAMURA TATSUYA (JP)
MOCHIZUKI TAKAHISA (JP)
KAWAKAMI HIDEKI (JP)
SUOU SHIROU (JP)
OGURA MASANORI (JP)
ABE KEITA (JP)
OTA AKIHISA (JP)
FUKUZAWA YUJI (JP)
Application Number:
PCT/JP2018/031347
Publication Date:
April 04, 2019
Filing Date:
August 24, 2018
Export Citation:
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Assignee:
KYB CORP (JP)
KYB YS CO LTD (JP)
International Classes:
F16F9/48; F16F7/09; F16F9/14; F16F9/20; F16F9/30; F16F9/32; F16F15/02; F16F15/023
Domestic Patent References:
WO2017221465A12017-12-28
Foreign References:
JPS51133669A1976-11-19
JP2009168233A2009-07-30
JPS6343041A1988-02-24
JP2015222098A2015-12-10
JP2011021648A2011-02-03
JPH08219377A1996-08-30
JPH0550192U1993-07-02
JP2018013191A2018-01-25
Attorney, Agent or Firm:
GRANDOM PATENT LAW FIRM (JP)
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