Non-riding commercial lawn mower having an end shaft mounted clu

Details Non-riding commercial lawn mower having an end shaft mounted clu Non-riding commercial lawn mower having an end shaft mounted clu

1996-11-08

1998-05-19

Melius, Terry Lee

Harvesters

Motorized harvester

With selective control of drive means

56 118, 56 169, 56DIG6, 180 193, 192 8927, 192 8921, A01D 3482

Patent

active

057523738

ABSTRACT:
An end shaft mounted clutch which is inexpensive to produce, maintain, and install, even on an existing belt driven lawn mower. On a non-riding lawn mower having two hand grips, a lateral drive shaft, and two independently driven drive wheels the improvement comprising: two end shaft mounted clutches, one mounted on each end of the drive shaft, each end shaft mounted clutch having a shaft sleeve having an exterior end portion having an elongated opening therethrough, and an interior end portion adapted to be rigidly affixed to the revolving shaft; a driver housing positioned on, and rigidly affixed to the interior end of the shaft sleeve; a driven sprocket/pulley and hub freely rotatable on the shaft sleeve unless biased towards the driven housing; bias means for biasing the driven sprocket/pulley towards the driver housing; and, on/off bias control means; two chains each extending between one of the driven sprocket/pulleys on the clutch and a drive wheel; and, clutch control means to independently control the clutches. The clutches which are independently chained to the drive wheels do not slip in wet grass, or plug up in long grass thereby losing forward drive.

REFERENCES:
patent: 1740265 (1929-12-01), Putney
patent: 4117652 (1978-10-01), Jones et al.
patent: 4650058 (1987-03-01), Vaughan
patent: 4841794 (1989-06-01), Hikishima
patent: 5651241 (1997-07-01), Wagner

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