Bendix-type engine starter with mechanical lookout to prevent un

Details Bendix-type engine starter with mechanical lookout to prevent un Bendix-type engine starter with mechanical lookout to prevent un

1975-02-07

1976-07-27

Burns, Wendell E.

Internal-combustion engines

Starting device

For airplane

74850, F02H 300

Patent

active

039713539

ABSTRACT:
A mechanical lock-out by which a Bendix-type starter for an internal combustion engine is rendered incapable of starting the engine if mechanism - such as the propulsion system of a power lawn mower or tractor - has been drivingly connected with the engine. The lock-out comprises a lever pivoted to the housing of the starter with a part thereof in the path of the driving pinion of the starter as it advances towards meshing engagement with the ring gear on the engine flywheel, so that the lever must be free to move with the advancing driving pinion for the starter to be operative, and a blocking member, also pivotally mounted on the housing of the starter, for movement to and from an operative position preventing such movement of the lever. A Bowden wire connects the blocking member with a manually shiftable control by which the driving connection between the mechanism to be driven and the engine is activated, to move the blocking member to its operative position as a consequence of establishing the driving connection. Resilient yieldability incorporated in the blocking member prevents damage to the mechanism in the event the blocking member is moved into its operative position after the starter has been activated.

REFERENCES:
patent: 3518979 (1970-07-01), Harkness
patent: 3521612 (1970-07-01), Santi et al.
patent: 3739763 (1973-06-01), Berry et al.
patent: 3782350 (1974-01-01), McBride

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