Accident prevention device for rotary snow-plow

Details Accident prevention device for rotary snow-plow Accident prevention device for rotary snow-plow

1988-06-15

1991-03-05

Reese, Randolph A.

Excavating

Snow or ice removing or grooming by portable device

Motorized rotary excavating tool

56 113, E01H 509

Patent

active

049967835

ABSTRACT:
An accident preventing arrangement for rotary snowplows includes a front safety bar in front of the rotating blades. When lowered, the safety bar actuates switches which, in turn, not only disengage a clutch for a drive shaft which rotates the blades, but also instantaneously brakes the blades. Another switch located in a driver's cab performs the same functions by manual operator control.

REFERENCES:
patent: 4062135 (1977-12-01), Dobberpuhl
patent: 4181206 (1980-01-01), Seilenbinder
patent: 4322935 (1982-04-01), Poehlman
patent: 4402149 (1983-09-01), Fujii
patent: 4408683 (1983-10-01), Elmy et al.
patent: 4409779 (1983-10-01), Bent et al.
patent: 4476643 (1984-10-01), Hilchey et al.
patent: 4696150 (1987-09-01), Geeck, III

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