Machine element or mechanism – Engine starters
Patent
1974-10-03
1976-05-11
Scott, Samuel
Machine element or mechanism
Engine starters
74 7A, F02N 200
Patent
active
039554279
ABSTRACT:
A starter motor for an internal combustion engine including a pinion gear wheel assembly movable between a rest position and an operative position. The pinion gear wheel assembly is movable by a solenoid the armature of the solenoid being coupled to the pinion gear wheel assembly by way of a lever pivoted on the starter motor casing. The lever is in the form of a pair of resilient elements. The first resilient element is weaker than the resilient means which urges the armature towards its rest position, so that should the pinion gear wheel assembly be held in its operative position when the electromagnet is de-energised then the armature can be returned to its rest position flexing the first element. The second element supports the first element during movement of the lever assembly to push the pinion gear wheel assembly to its operative position. The combined strength of the first and second elements is such that if the pinion gear wheel assembly is held against movement to its operative position then both elements can be flexed by movement of the armature to its operative position. However, the flexed elements together provide sufficient force to move the pinion gear wheel assembly rapidly to its operative position when the impediment to movement of the assembly is removed.
REFERENCES:
patent: 1888717 (1932-11-01), Ford
patent: 3177728 (1965-04-01), Farison
patent: 3701285 (1972-10-01), Toulier
patent: 3788151 (1974-01-01), Campau
patent: 3866960 (1975-02-01), Chohan
Heald Randall
Scott Samuel
The Lucas Electrical Company Limited
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