Power mower with blade-brake clutch

Harvesters – Motorized harvester – With selective control of drive means

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Details

56 175, 56 117, 188 77R, 192 0094, A01D 6910

Patent

active

046961500

ABSTRACT:
Improvements are described for power mowers comprising a prime mover, a rotatable drive shaft driven by the prime mover and rotatable grass cutting means adapted to be driven by power from said drife shaft. The improvements involve including in the mowers (a) a centrifugal clutch interposed between the drive shaft and the cutting means, (b) apparatus enabling the prime mover to operate at a rate of speed at least high enough for the clutch to engage, and alternatively at a rate of speed low enough for the clutch to disengage, and apparatus including a pulley and at least one stationary belt frictionally engageable therewith for stopping rotation of the cutting means concurrently with the disengagement of the clutch.

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