Spiral-action damper

Details Spiral-action damper Spiral-action damper

2007-06-26

2007-06-26

Williams, Thomas (Department: 3683)

Brakes

Operators

Automatic

C267S202000, C267S209000, C016S085000

Reexamination Certificate

active

10823332

ABSTRACT:
The invention relates to a damping device for movable furniture parts, for example for doors or drawers, comprising a piston or plunger which is slidably guided in a hollow body, e.g. a cylinder, with said piston or plunger being impinged upon by spring force into its pushed-out position. According to the invention, the hollow body comprises at least one section of a spiral-shaped stay of the internal screw thread, and/or the piston or plunger comprises at least one section of a spiral-shaped stay of the external screw thread. The stays of the screw threads are glidingly supported one on top of the other, or cams or journals of the hollow body or of the piston or plunger are supported on a screw-thread section of the other component. The pitch of the stays of the screw threads is greater than the pitch at which self-locking occurs.

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patent: 203 02 524 (2004-06-01), None
patent: WO 02/057578 (2002-07-01), None

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