Setting device for presettable counters

Details Setting device for presettable counters Setting device for presettable counters

1977-10-06

1979-10-23

Tomsky, Stephen J.

Registers

Liquid registers

235 1C, 235117A, 235132R, 235144SP, B67D 522, G06C 1542, G06F 1518

Patent

active

041722205

ABSTRACT:
In a setting device for presettable counters, a number of indicating rollers are arranged with symbols on their circumferential peripheral surfaces. Connected to each indicating roller is a ratchet wheel and an adjusting wheel. A switching device for each roller permits it to be moved in a step-by-step manner and otherwise to be locked in position. The switching device includes a switching pawl for engaging the ratchet wheel and moving the roller, a fixing lever for locking the adjusting wheel and roller in position, a control pawl and a key for displacing the control pawl. The control pawl is spring-biased against the actuating movement of the key. The control pawl displaces the switching pawl and the fixing lever in response to its displacement by the key.

REFERENCES:
patent: 1032486 (1912-07-01), Lynch
patent: 3022942 (1962-02-01), Van Veen
patent: 3131861 (1964-05-01), Krebsdzio
patent: 3453420 (1969-07-01), Freese et al.
patent: 4005819 (1977-02-01), De Lille et al.

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