Full self-propelled lawn mower

Details Full self-propelled lawn mower Full self-propelled lawn mower

1975-12-08

1977-05-03

Peters, Jr., Joseph F.

Harvesters

Motorized harvester

With selective control of drive means

180 19H, 180 74, A01D 6900

Patent

active

040206190

ABSTRACT:
A lawn mower propulsion system which is supported between the rear wheels and is pivotally mounted on the body by means of a pivot bolts, a forward driven shaft and a reverse driven shaft are rotatably mounted in the support, parallel to and on either side of the pivot bolts, friction rollers are fixedly mounted on the ends of the driven shafts to contact the rear wheels, the forward-drive rollers being larger than the reverse-drive rollers, pulleys are fixedly mounted on the driven shafts, a pair of pulleys is mounted on the offset drive shaft, a belt connects each of the pulleys on the offset drive shaft to a pulley on one of the driven shafts and are mounted to drive the rearmost driven shaft and the rear wheels in the forward direction and the forwardmost driven shaft and the rear wheels in the reverse direction, springs, connected to the support and the body, normally urge the forward-drive into contact with the rear wheels, the mower handle pivots downwardly against the support to pivot the forward-drive away from the rear wheels to a non-driving position and then pivot the reverse-drive into contact with the rear wheels, a forward-drive control, pivotally mounted on the handle, holds the forward-drive in the non-driving position, a reverse-drive control is pivotally mounted on the handle, and a pair of front wheels are mounted to freely pivot on the body.

REFERENCES:
patent: 2604747 (1952-07-01), Bash
patent: 3375645 (1968-04-01), Miller
patent: 3763945 (1973-10-01), Danielson

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