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Patent Searching and Data


Title:
DAMPER
Document Type and Number:
WIPO Patent Application WO/2019/188810
Kind Code:
A1
Abstract:
Provided is a damper which can inhibit upsizing of the damper and in which a piston can be easily returned to a predetermined position in a cylinder. This damper (10) comprises: a cylinder (20); a rod (30); and a piston (50) that is made of an elastic resin material and that is attached to the rod (30). The rod (30) includes a second engagement part (37) which engages with the piston (50) when moving in a return direction which is opposite to a damper braking direction. An air circulation groove (62) is formed between the outer circumference of the rod (30) and the inner circumference of the piston (50), and the piston (50) has a slit (55) formed from one end located opposite to the damper braking direction side toward the other end located on the damper braking direction side, so as to be connected to the air circulation groove (62).

Inventors:
KATO Kouichi (INC. 51, Iwai-cho, Hodogaya-ku, Yokohama-sh, Kanagawa 23, 〒2400023, JP)
Application Number:
JP2019/012155
Publication Date:
October 03, 2019
Filing Date:
March 22, 2019
Export Citation:
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Assignee:
PIOLAX, INC. (51 Iwai-cho, Hodogaya-ku Yokohama-sh, Kanagawa 23, 〒2400023, JP)
International Classes:
F16F9/50; F16F7/09; F16F9/02; F16F9/32
Foreign References:
JPS5828138U1983-02-23
JPH08105481A1996-04-23
JPH024036U1990-01-11
JP2009103270A2009-05-14
EP1619340A12006-01-25
Attorney, Agent or Firm:
SATO & ASSOCIATES (Nishi-Shinjuku Mitsui Building 18F, 24-1 Nishi-Shinjuku 6-chome, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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