Variable thickness set compensation for stapler

Details Variable thickness set compensation for stapler Variable thickness set compensation for stapler

1981-06-26

1983-12-20

Bell, Paul A.

Elongated-member-driving apparatus

With control means responsive to sensed condition

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.

REFERENCES:
patent: 2403947 (1946-07-01), Oussani
patent: 2500217 (1950-03-01), Taylor, Jr.
patent: 3058117 (1962-10-01), Moore
patent: 3278101 (1966-10-01), Hatazaki
patent: 3524575 (1970-08-01), Hurkmans et al.
patent: 4134672 (1979-01-01), Burlew et al.
patent: 4181248 (1980-01-01), Spehrley, Jr.
patent: 4187969 (1980-02-01), Spehrley, Jr.
patent: 4356947 (1982-11-01), Marshall et al.

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