Variable thickness set compensation for stapler

Elongated-member-driving apparatus – With control means responsive to sensed condition

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Details

227 4, 355 3SH, B27F 717, G03G 1500

Patent

active

044212640

ABSTRACT:
A stapler mechanism for fastening variable thickness documents includes a stack receiving receptacle disposed between the head/hammer assembly and the clinching or anvil assembly of said stapler. A sensing device is coupled to the stapler mechanism and generates control pulses indicative of relative motion between the head/hammer assembly. A controller processes the signals and generates control signals which vary the stroke and the force driving the hammer and returns the head/hammer assembly to its home position following a stapling cycle.

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