Coin operated timing mechanism

Details Coin operated timing mechanism Coin operated timing mechanism

1981-09-14

1983-04-26

Scott, J. R.

Electricity: circuit makers and breakers

Retarded

Clock train

200 38R, 200DIG3, H01H 4302

Patent

active

043814301

ABSTRACT:
Upon insertion of a coin into a receiver of a timing mechanism, an actuator rotates a ratchet which in turn rotates a cam. The cam and a disc each have a tab extending therefrom. When the ratchet and cam are rotated, the tabs separate from each other providing a desired timing cycle and the cam is set to close electrical switches. When the timer is operative, the disc rotates causing its tab to engage the tab of the cam to rotate the cam and open the electrical switches.

REFERENCES:
patent: 3114443 (1963-12-01), New
patent: 3237466 (1966-03-01), Purtilo
patent: 3417211 (1968-12-01), Wiser
patent: 3462565 (1969-08-01), Hall
patent: 3626117 (1971-12-01), Stafford
patent: 3732383 (1973-05-01), Voland et al.
patent: 3819886 (1974-06-01), Homan et al.

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