Printing pressure damping mechanism for hand labeler

Details Printing pressure damping mechanism for hand labeler Printing pressure damping mechanism for hand labeler

1978-04-18

1980-05-06

Pieprz, William

Printing

Bed-and-platen machines

Web

101291, 101292, 101316, 101 9302, 101 9303, 400166, 400167, 400389, 400435, 400437, 4004402, 400652, 400687, B41F 154

Patent

active

042011345

ABSTRACT:
A printing pressure damping mechanism for a hand labeler: A printing platen is pivotally mounted on the frame of the hand labeler. The platen has a printing portion at one side of its center of pivotal motion. A hand lever pivotally connected to the frame of the labeler carries a printing head, which is turned toward the printing platen when the hand lever is squeezed against the biasing force of a return spring. Shock-absorbing means, comprising a leaf spring on the hand lever and an elastic abutment member on the other side of the printing platen from the printing portion engage to turn the printing portion of the printing platen toward the printing head. The hand lever is further squeezed and moves to overcome the biasing force of the leaf spring when the printing head abuts against the printing portion of the platen. The squeezing force, which might otherwise be applied as a printing force to the printing platen through the hand lever, is damped to a preset level. Second shock-absorbing means act on the platen in opposition to the biasing force applied to help prevent double printing.

REFERENCES:
patent: 597593 (1898-01-01), Sheldon
patent: 811071 (1906-01-01), Liberman
patent: 2314677 (1943-03-01), Young
patent: 3477371 (1969-11-01), Ringholz
patent: 4056183 (1977-11-01), Beery

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