Brakes – Internal-resistance motion retarder – Combined with mechanism retarded by brake
Patent
1974-04-25
1976-05-11
Shapiro, Paul E.
Brakes
Internal-resistance motion retarder
Combined with mechanism retarded by brake
56 105, 123110, A01D 7520, F02D 906, F02D 902
Patent
active
039556530
ABSTRACT:
Apparatus for rapidly braking the rotary blade of a rotary mower driven by an internal combustion engine. The internal combustion engine has a plurality of passages which lead to its combustion chamber for provision of a fuel-air mixture for combustion in the chamber and for exit of exhaust gases from the chamber. The apparatus includes a valve located in one of these passages which effectively blocks the passage when manually operated means for actuating the valve are operated. In one embodiment, a release of a dead man handle used in conjunction with the mower causes actuation of the valve by means of a bowden wire linkage connected between the dead man handle and the braking valve. The apparatus may also include a switch operated simultaneously with the braking valve to provide an ignition spark arresting function.
REFERENCES:
patent: 1501363 (1924-07-01), Noble
patent: 1519213 (1924-12-01), Moore
patent: 1577466 (1926-03-01), Hyre
patent: 2074651 (1937-03-01), Hoffman et al.
patent: 2736153 (1956-02-01), Dunn
patent: 3229452 (1966-01-01), Hasenbank
patent: 3557762 (1971-01-01), Mitchell
patent: 3788288 (1974-01-01), Harrison et al.
Shapiro Paul E.
The Toro Company
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