Belt tension adjustment mechanism

Details Belt tension adjustment mechanism Belt tension adjustment mechanism

2011-03-01

2011-03-01

Siconolfi, Robert A (Department: 3657)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Guide roll mounted for movement of its axis along arcuate...

C474S135000

Reexamination Certificate

active

07896765

ABSTRACT:
The present invention relates to a belt tension adjustment mechanism for use with a device including a main body and a belt pulley set. The belt pulley set includes a belt. The belt tension adjustment mechanism includes a slab, at least two tension pulleys and a fixing element. A tight tension force and a slack tension force are exerted on the opposite sides of the belt to define a tight side and a slack side of the belt when the belt pulley set runs. A counterforce is generated from the tight side of the belt to exert on the tension pulley contacting with the tight side, the slab is moved in response to the counterforce. The slack side of the belt is suppressed by the tension pulley contacting with the slack side such that the slack tension force is adjustable.

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patent: 6312352 (2001-11-01), Holland et al.
patent: 6575858 (2003-06-01), Green et al.
patent: 2003/0224889 (2003-12-01), Luh
patent: 2004/0127318 (2004-07-01), Yu et al.

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