Patent · US Expired

Frictional damper especially for cylinder washing machines

US7565823B2 · kind B2 · utility

1Cited by
13References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 2004
Grant dateJul 28, 2009
Priority date
Expiry dateApr 23, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16F7/09
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a frictional damper, especially for cylinder washing machines with spin cycle, having a housing (2) and a movable plunger (4) which is arranged in the housing (2) parallel to the housing longitudinal axis, is led out of the housing (2) and is provided with at least one window (6) at its end located in the housing (2), at least one mounting part (7), movable longitudinally relative to the plunger (4), for mounting a friction lining (8, 9) and at least one amplitude-dependent impact element (15, 16) for braking the movement of the mounting part (7) being provided in the window (6), this frictional damper being characterized in that the impact element (15, 16) is arranged between an inner surface (20, 21) of the window (6) and an outer surface (18, 19) of the mounting part (7).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.