192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1980-11-07
1983-07-26
Krizmanich, George H.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 3S, B60K 4120
Patent
active
043948936
ABSTRACT:
A system for quickly stopping the internal combustion engine of a powered implement having a deadman control normally biased toward a first position and actuable by the implement operator to a second position and having an operator actuable engine starting mechanism is disclosed. The engine has a flywheel coupled thereto for rotation with the engine crankshaft and that flywheel is provided with an annular friction surface disposed generally in a plane normal to the axis of rotation of the flywheel. A braking member having a second friction surface is normally biased into engagement with the annular friction surface of the flywheel and coupled to the deadman control so that the two friction surfaces will be disengaged upon movement of the deadman control to a second or operational position by the implement operator. An arrangement for disabling the engine starting mechanism while the friction surfaces are engaged and an arrangement for disabling the engine ignition system when the deadman control is released are disclosed. The braking member may move into engagement by pivotal movement, movement perpendicular to the flywheel annular friction surface, or by moving generally parallel to the flywheel annular surface and into engagement with a ramp forcing the braking member toward the flywheel surface.
REFERENCES:
patent: 2959261 (1960-11-01), Hemphill
patent: 3228177 (1966-01-01), Coates
patent: 3290871 (1966-12-01), Haas
patent: 3744602 (1973-07-01), Ajwani
patent: 3799300 (1974-03-01), Cochrane et al.
patent: 4035994 (1977-07-01), Hoff
Arendt Dan R.
Kronich Peter G.
Jeffers Albert L.
Krizmanich George H.
Rickert Roger M.
Tecumseh Products Company
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