Elongated-member-driving apparatus – With interlock means
Patent
1977-10-04
1979-06-12
Lake, Roy
Elongated-member-driving apparatus
With interlock means
227 30, 227 78, 227127, B27F 722
Patent
active
041577787
ABSTRACT:
A binding system is disclosed for binding volumes comprising a cabinet having a trough herein for the receipt of an edge of a stack of sheets with power compressor means on one side of the trough for compressing the stack of sheets and power operated stapling means on the opposite side of the trough for driving staples through the major plane of said sheets adjacent said one edge while under compression. The cabinet also includes a second power operated stapler for binding smaller or thinner stacks of sheets to produce thinner volumes. An interlock provides that only one of the two power operated staplers may be used at a time. Provision is made for loading the larger of said power staplers through the top of the cabinet and a safety mechanism is provided to insure against ejection of staples from the magazine upward through the loading entryway.
REFERENCES:
patent: 2947033 (1960-08-01), Ericsson
patent: 3248033 (1966-04-01), De Francis et al.
patent: 3516589 (1970-06-01), De Francis et al.
patent: 3537633 (1970-11-01), Hoff et al.
Medina Conrad R.
Villwock George F.
Bell Paul A.
Lake Roy
Swingline Inc.
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