Electrical impulse operated number wheel counters
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United States of America Patent
Stats
-
Feb 9, 1982
Grant Date -
N/A
app pub date -
Dec 11, 1979
filing date -
Dec 14, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A counter comprises two housing parts which are a push fit together; two shafts located at their ends within recesses of one housing part and carrying, respectively, conventional number wheels and transfer pinions; a pawl rotatable about the transfer pinion shaft and engaging ratchet teeth on the first number wheel and a solenoid sub-assembly having an armature pivoting about an axis parallel with the transfer pinion axis for reciprocating the pawl. The solenoid sub-assembly is located by grooves and other elements formed inwardly of the housing and does not need to be riveted, screwed or otherwise rigidly secured.
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