Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate
2008-06-11
2010-11-30
Johnson, Vicky A (Department: 3656)
Machine element or mechanism
Control lever and linkage systems
Hand operated
Reexamination Certificate
active
07841257
ABSTRACT:
A compensator for cables includes a housing and a spring wrapped around inside the housing to form a loop. An inner strand of a Bowden cable or the like extends through the coil spring, and thereby forms a loop. The looped configuration of the coil spring provides a higher effective spring constant, and thereby permits a smaller coil spring to be used. The dimensions of the compensator can also be reduced, thereby reducing the space required for the compensator.
REFERENCES:
patent: 1418828 (1922-06-01), Ream
patent: 1858965 (1932-05-01), Nagamine
patent: 3572159 (1971-03-01), Tschanz
patent: 4177691 (1979-12-01), Fillmore
patent: 5301563 (1994-04-01), Van Zanten et al.
Grand Rapids Controls Company LLC
Johnson Vicky A
Price Heneveld Cooper DeWitt & Litton LLP
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