Cam actuated printing saddle lockup

Details Cam actuated printing saddle lockup Cam actuated printing saddle lockup

1977-04-08

1979-05-15

Pieprz, William

Printing

Flexible-sheet-securing devices

101378, B41F 2706

Patent

active

041541677

ABSTRACT:
There is disclosed, a printing saddle lockup including a saddle mounted on a rotary printing cylinder and having a floating biasing bar disposed at one edge thereof. A recess is formed in the cylinder beneath the biasing bar and a cavity is formed in such bar over the recess and receives a rotary cam having an eccentric peg projecting downwardly therefrom to engage a hair pin shaped spring projecting longitudinally into such recess, such that rotation of the cam in one direction contacts such peg with one leg of such spring such that continued rotation urges the biasing bar in one circumferential direction on the cylinder and rotation of such cam in the opposite direction contacts such peg with the opposite leg of such spring whereby further rotation of such cam urges such biasing bar in the opposite circumferential direction.

REFERENCES:
patent: 1508951 (1924-09-01), Baker
patent: 2475476 (1949-07-01), Champagne
patent: 2577073 (1951-12-01), Dell
patent: 3017830 (1962-01-01), Penner
patent: 3696744 (1972-10-01), Etchell
patent: 3994224 (1976-11-01), Hill
patent: 4061087 (1977-12-01), Hill

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