Printer

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With printing

Reexamination Certificate

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Details

C156S583200

Reexamination Certificate

active

06527026

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to the art of printers and labelers.
2. Brief Description of the Prior Art
The following U.S. patents are made of record: U.S. Pat. Nos. 4,957,379; 5,486,259; and 5,788,384.
SUMMARY OF THE INVENTION
The invention relates to an improved drive mechanism for a take-up roll of a printer.
According to the specific embodiment of the invention, a printer having a print head and a cooperating platen roll, and a delaminator, further has a take-up roll which is attempted to be driven at a higher peripheral than the peripheral speed of the peripheral speed of the platen roll. The printer can print on labels releasably adhered to a carrier web. The take-up roll drivingly contacts the web. Label delamination takes place at the delaminator when the take-up roll rotates. The take-up roll is driven through a slip clutch which limits the pulling force applied to the web by the take-up roll. Thus, no slippage occurs between the web and the take-up roll. It is preferred that the platen roll and the take-up roll are driven by only one electric motor. Gearing connects the motor to the platen roll and to the slip clutch.


REFERENCES:
patent: 4120245 (1978-10-01), Karp et al.
patent: 4330097 (1982-05-01), George et al.
patent: 4676859 (1987-06-01), Cleary, Jr. et al.
patent: 4957379 (1990-09-01), Hamisch, Jr. et al.
patent: 5168814 (1992-12-01), Kuzuya et al.
patent: 5232540 (1993-08-01), Southwell et al.
patent: 5486259 (1996-01-01), Goodwin et al.
patent: 5788384 (1998-08-01), Goodwin et al.

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