Title:
AIR DAMPER HAVING AIR BUFFER
Document Type and Number:
WIPO Patent Application WO/2016/153315
Kind Code:
A1
Abstract:
The present invention relates to an air damper for increasing operation resistance during either of respective operations for pushing or pulling a piston rod, and the objective of the present invention is to minimize a vacuum-generation space by providing a separate air buffer by having an improved structure. To this end, the present invention comprises: the air buffer (12) formed at one end of a cylinder (11), and having an orifice (14) formed at a barrier (13); a piston (16) having another orifice (15) and having an O-ring (18) provided at the outer periphery thereof; and the vacuum-generation space (19) formed inside the piston (16).
Inventors:
CHOI KI SEUNG (KR)
Application Number:
PCT/KR2016/003063
Publication Date:
September 29, 2016
Filing Date:
March 25, 2016
Export Citation:
Assignee:
NIFCO KOREA INC (KR)
International Classes:
F16F9/02; F16F9/34; F16F9/44
Foreign References:
| JPH01210633A | 1989-08-24 | |||
| JP2013204739A | 2013-10-07 | |||
| KR19980031950U | 1998-08-17 | |||
| KR20080030748A | 2008-04-07 | |||
| JPH08105481A | 1996-04-23 |
Attorney, Agent or Firm:
KIM, Byung Jin et al. (KR)
김병진 (KR)
김병진 (KR)
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