Hinge with variable torque

Details Hinge with variable torque Hinge with variable torque

2011-07-26

2011-07-26

Mah, Chuck Y. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Including means to hold or retard hinged members against...

Reexamination Certificate

active

07984532

ABSTRACT:
A hinge with variable torque is disclosed to include a first part, which has a shaft at one side thereof and recessed portions on the peripheral wall of the shaft, and a second part, which has a sleeve disposed at one side thereof and grooves on the inside wall of the sleeve. The sleeve is pivotally coupled to the shaft of the first part. A first contact area and a first friction force are produced between the peripheral wall of the shaft and the inside wall of the sleeve when the first part is turned to a first angle relative to the second part, and a second contact area and a second friction force are produced between thereinbetween when the first part is turned to a second angle relative to the second part.

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patent: 2007/0214605 (2007-09-01), Tu
patent: 2534024 (1976-02-01), None

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