Apparatus for closing binding combs to bind a stack of sheet mat

Details Apparatus for closing binding combs to bind a stack of sheet mat Apparatus for closing binding combs to bind a stack of sheet mat

1987-06-01

1988-07-19

Bell, Paul A.

Bookbinding: process and apparatus

Apparatus

Edge binding apparatus

B42B 510

Patent

active

047581255

ABSTRACT:
An apparatus for closing binding combs to bind stacks of sheet material together possesses a lower working ram having a bending pressing surface formed as a sliding face for perforating prongs of the binding comb, this sliding face being formed by two adjacent, cylindrical rollers, so that the perforating prongs are supported by exclusively rolling on the ram during the closing operation of the binding comb. As a consequence, such a small reaction force is imparted to the perforating prongs against the rolling movement that the binding comb cannot under any circumstances rotate in an undesired manner relative to a counter-ram, so that a squeezing of the binding comb in the region of an arm of the comb opposite the perforating prongs is prevented.

REFERENCES:
patent: 4537545 (1985-08-01), Kunzmann

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