Device for damping closing movement of lid

Details Device for damping closing movement of lid Device for damping closing movement of lid

1998-11-05

2000-05-02

Redman, Jerry

Movable or removable closures

With means mounting closure for swinging

With biasing means

E05F 110

Patent

active

060557796

ABSTRACT:
A damper for lids having a configuration capable of allowing a closing hinge movement of a lid to be slowly carried out, thereby preventing an abrupt closing of the lid. The damper includes a lid connecting lever hingably mounted at one end thereof to a damper housing mounted in an article and fixed at the other end thereof to a lid of the article, and a damping lever connected at one end thereof to the lever shaft, a U-shaped cylinder defined in the damping housing and contained with a fluid, the cylinder being divided into a first compression chamber and a second compression chamber, a check valve arranged in the first compression chamber, the check valve being open when the fluid flows from the second compression chamber to the first compression chamber, a communication port formed through the check valve to communicate the first and second compression chambers with each other, a first plunger arranged above the check valve, a pushing rod extending upwardly from the first plunger and having a tip protruding upwardly through the damper housing in such a manner that the other end of the damping lever comes into contact with the tip in the process of the movement of the lid toward its open position, and a second plunger arranged in the second compression chamber.

REFERENCES:
patent: 4401260 (1983-08-01), Grant
patent: 4833827 (1989-05-01), Bode et al.
patent: 5398448 (1995-03-01), Kaufass
patent: 5438799 (1995-08-01), LeFaucheur

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