Interval timer

Details Interval timer Interval timer

1981-10-23

1982-12-14

Scott, J. R.

Electricity: circuit makers and breakers

Retarded

Clock train

200 38BA, 200 38CA, 200 38D, H01H 4310

Patent

active

043639437

ABSTRACT:
An interval timer has a cross-shaped cam with elongated arms and is interposed between a slot moving disc and a micro-switch. Adjustable pins are disposed on the outer extremities of the disc and engage the inner ends of the cross-shaped cam arms. The outer ends of the arms rotate with increased velocity causing rapid momentary actuation of the switch.

REFERENCES:
patent: 1882495 (1932-10-01), Hipp
patent: 2380969 (1945-08-01), King
patent: 3588391 (1971-06-01), Banathy et al.
patent: 3588396 (1971-06-01), Fredell

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