Unidirectional drive systems

Details Unidirectional drive systems Unidirectional drive systems

1978-01-25

1980-02-12

Herrmann, Allan D.

Machine element or mechanism

Engine starters

74 7A, 192 42, 192 46, 192 47, 192104C, 192114R, F02N 1506, F16D 4112, F16D 4320

Patent

active

041877284

ABSTRACT:
A unidirectional drive system, particularly intended for electric starter motors of internal combustion engines, comprises a ratchet wheel surrounded by a cage having one or more pivoted pawls. These pawls can either be in engagement with the ratchet wheel or can move out of such engagement, generally as a result of centrifugal force. A stop device, which may be a cylindrical ring or a pair of discs, can move into position to hold the pawls out of engagement with the ratchet wheel.

REFERENCES:
patent: 1509446 (1924-09-01), Skinner
patent: 1833601 (1931-11-01), Batterman et al.
patent: 2258455 (1941-10-01), Jones
patent: 2364980 (1944-12-01), Jimerson
patent: 2594642 (1952-04-01), Gross et al.
patent: 2640359 (1953-06-01), Gilbert et al.
patent: 2988186 (1961-06-01), Dotter
patent: 3263509 (1966-08-01), Digby

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