Apparatus for driving the armature of an electric stapler

Details Apparatus for driving the armature of an electric stapler Apparatus for driving the armature of an electric stapler

1990-02-28

1992-04-14

Pellinen, A. D.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361194, 361196, 361203, H01H 4704

Patent

active

051053292

ABSTRACT:
Solid state control circuitry for driving an electromagnetic armature of a battery operated electric stapler. The armature is activated by a trigger signal generated by a trigger switch which discharges an energy storage device through the armature. Energy is rapidly replenished in the energy storage device following its discharge; but if a subsequent trigger signal is not forthcoming, the control circuit reverts to a quiescent state, thereby reducing power consumption.

REFERENCES:
patent: 3715605 (1973-02-01), Naber
patent: 3971969 (1976-07-01), Wines et al.
patent: 4333019 (1982-06-01), Weigert
patent: 4449161 (1984-05-01), Kling

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