Safety system for lawn mowers

Details Safety system for lawn mowers Safety system for lawn mowers

1975-06-23

1977-04-12

Mancene, Louis G.

Harvesters

Motorized harvester

With condition-responsive operation

56 118, A01D 3526

Patent

active

040167097

ABSTRACT:
A safety system for a lawn mower is provided for disengaging the blade from the drive when the mower is backing up. The safety system includes a gear which rotates with a wheel of the mower and a toothed member engagable with the gear. When the mower backs up and the gear rotates in one direction, it engages the toothed member and moves it from a first to a second position. A linkage connected with the toothed member and a clutch in the drive train then disengages the clutch and disconnects the mower blade from the drive. When the mower moves forwardly again, the toothed member is moved by the gear back to the first position and the linkage moves the clutch to its engaged position again to rotate the blade by the drive, assuming the shift lever is in its engaged position.

REFERENCES:
patent: 2960810 (1960-11-01), Musgrave
patent: 3543892 (1970-12-01), Baillie
patent: 3590564 (1971-07-01), Clifford
patent: 3628315 (1971-02-01), Bartholomew
patent: 3903679 (1975-09-01), Sorenson et al.

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