Cylinder with retractable point spurs and signature clamps

Details Cylinder with retractable point spurs and signature clamps Cylinder with retractable point spurs and signature clamps

1994-12-01

1996-04-02

Eickholt, Eugene H.

Printing

Work supporting members

Grippers

101410, 101411, 271277, B41F 130

Patent

active

055030718

ABSTRACT:
A folding cylinder for a web-fed rotary printing press is provided with signature end engaging point spurs. The cylinder is also provided with signature grippers which will engage the signature end or sides so that the point spurs can be retracted at a slower rate of speed to thereby avoid damaging the signature end.

REFERENCES:
patent: 1713016 (1929-05-01), Zuckerman
patent: 3606308 (1969-06-01), Mowry et al.
patent: 3784187 (1974-01-01), Takayanagi et al.
patent: 4190242 (1980-02-01), Bolza-Schunemann
patent: 4368879 (1983-01-01), Hoshi
patent: 4627754 (1986-12-01), Sholtis et al.
patent: 4892036 (1990-01-01), Lange
patent: 5078374 (1992-01-01), Odeau
patent: 5305993 (1994-04-01), Staeb
patent: 5343806 (1994-09-01), Fricke et al.

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