Adjustable tension idler pulley and belt

Details Adjustable tension idler pulley and belt Adjustable tension idler pulley and belt

1997-11-07

1999-07-27

Jeffrey, John A.

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...

F16H 712

Patent

active

059280972

ABSTRACT:
A belt-tensioning device for a walk-behind mower with driven wheels is disclosed. The belt-tensioning device allows the operator a hands-free way to increase the idler pulley force and hence, tension of the driven belt. The device includes a belt guard, a spring adjuster assembly comprising a spring adjuster arm and a spring adjuster footstep. The operator increases the tension of the driven belt by using the footstep that is located on the device attached to the spring adjuster arm. This moves the pulley by way of a spring attached to the pulley and the belt guard. Movement of the spring increases the belt tension.

REFERENCES:
patent: 1387445 (1921-08-01), Anderson
patent: 4102114 (1978-07-01), Estes et al.
patent: 4132280 (1979-01-01), Jones et al.
patent: 4530682 (1985-07-01), Gruber et al.
patent: 5236397 (1993-08-01), Green
patent: 5240461 (1993-08-01), Hohnl
patent: 5343678 (1994-09-01), Stuart

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