Adjusting mechanism with a helical spring of large diameter

Details Adjusting mechanism with a helical spring of large diameter Adjusting mechanism with a helical spring of large diameter

2007-11-13

2007-11-13

Schwartz, Christopher P. (Department: 3683)

Spring devices

Vehicle

Mechanical spring and nonresilient retarder

Reexamination Certificate

active

11346357

ABSTRACT:
An adjusting mechanism with a spring, particularly an adjusting mechanism with a helical spring of large diameter, is disclosed, the thread grooves of an inner bore of a rotation member being primarily used to allow the helical spring of large diameter fixed to the spring-fixed base to glide. When the rotation member rotates and axially shifts, the number of compressed coils of the helical spring of large diameter changes, thereby a spring coefficient of the helical spring of large diameter is changed.

REFERENCES:
patent: 5044614 (1991-09-01), Rau
patent: 5477948 (1995-12-01), Stevens
patent: 5553836 (1996-09-01), Ericson
patent: 5803443 (1998-09-01), Chang
patent: 5954318 (1999-09-01), Kluhsman
patent: 6065573 (2000-05-01), Kelly
patent: 6827184 (2004-12-01), Lin
patent: 2004/0195745 (2004-10-01), Oliver et al.

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