Damper of drum type washing machine

Details Damper of drum type washing machine Damper of drum type washing machine

2007-04-17

2007-04-17

Barr, Michael (Department: 1746)

Textiles: fluid treating apparatus

Machines

Combined

C188S294000, C188S284000, C188S305000, C188S322220, C188S322160, C188S322170, C188S322180

Reexamination Certificate

active

10755139

ABSTRACT:
A damper includes: a cylinder: a piston rod inserted to be movable linearly in the cylinder; a guide member provided with a coupling hole to which an insertion portion of the rod member is coupled at a center thereof, and provided with first and second grooves at an outer circumferential surface thereof; a fixed damping member fitted into the first groove and adhered to an inner surface of the cylinder; and a movable damping member up and down movably fitted into the second groove and selectively adhered to the inner surface of the cylinder.

REFERENCES:
patent: 3593977 (1971-07-01), Hahn
patent: 4481974 (1984-11-01), Schmitt et al.
patent: 4583621 (1986-04-01), Tangorra
patent: 4821852 (1989-04-01), Yokoya
patent: 5948021 (1999-09-01), Radcliffe
patent: 6053291 (2000-04-01), Shibahata et al.
patent: 6264014 (2001-07-01), Ferlicca
patent: 6955248 (2005-10-01), Park et al.
patent: 301190 (1989-02-01), None
patent: 407755 (1991-01-01), None
patent: 806514 (1997-11-01), None
patent: 8-103594 (1996-04-01), None
patent: WO 9950568 (1999-10-01), None

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