Title:
DOOR DAMPER BUFFER
Document Type and Number:
WIPO Patent Application WO/2011/111892
Kind Code:
A1
Abstract:
The present invention relates to a door damper buffer that can quickly switch the flow of fluid filled therein to quickly and precisely perform buffering. The door damper buffer of the present invention comprises: a body (52) in which fluid is filled and in which a spring (57) is inserted; a piston unit (54) inserted into the body (52) and elastically supported by the spring (57); and an actuator pin (56) coupled to the piston unit (54). The piston unit (54) comprises: a piston (542) defining a plurality of recesses (5423) in an outer peripheral surface thereof to enable the movement of the fluid; a disk (544) disposed at a front end portion of the piston (542) and coupled so as to be movable along the actuator pin (56); and a head (546) defining a plurality of stepped portions (5469) and grooves (5468) on an outer peripheral surface thereof so as to enable movement of the fluid.
Inventors:
KIM JAE HONG (KR)
Application Number:
PCT/KR2010/001566
Publication Date:
September 15, 2011
Filing Date:
March 12, 2010
Export Citation:
Assignee:
MOONJU HARDWARE CO LTD (KR)
KIM JAE HONG (KR)
KIM JAE HONG (KR)
International Classes:
E05F3/14; E05F3/04; F16F9/10
Foreign References:
KR100760518B1 | 2007-09-20 | |||
KR100446221B1 | 2004-08-30 | |||
KR200282449Y1 | 2002-07-19 | |||
KR100652128B1 | 2006-12-01 | |||
KR200271109Y1 | 2002-04-09 |
Other References:
None
Attorney, Agent or Firm:
YOON, Yeopyo (KR)
윤여표 (KR)
윤여표 (KR)
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Claims: