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Title:
DAMPER AND WASHING MACHINE HAVING THE SAME
Document Type and Number:
WIPO Patent Application WO/2020/246754
Kind Code:
A1
Abstract:
A washing machine includes a water tub arranged in a case and a damper installed between the case and the water tub for damping vibrations of the water tub. The damper includes a plunger having one end supported on the case; a rod having one end supported on the water tub and the other end movably inserted to the plunger; a housing arranged to wrap around some of the plunger and the rod and including a friction member arranged between the housing and the plunger to contact an outer circumferential surface of the plunger; and a switching device configured to be in a first state in which the rod is coupled to the housing and able to move within the plunger along with the housing and a second state in which the rod is decoupled from the housing and able to move solely within the plunger.

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Inventors:
SHIMBO HIROSHI (JP)
NAKASHIMA TAKAHIRO (JP)
NISHIOKA YOSHIYUKI (JP)
SUZUKI YUICHI (JP)
MORI KAZUSHI (JP)
Application Number:
PCT/KR2020/007012
Publication Date:
December 10, 2020
Filing Date:
May 29, 2020
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
D06F37/22; F16F7/09
Foreign References:
US20170321776A12017-11-09
JPH0631090A1994-02-08
US20080256986A12008-10-23
EP2692931A12014-02-05
KR100606829B12006-08-01
Other References:
See also references of EP 3918125A4
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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