Label tape printing system using thermal head and transfer ink r

Details Label tape printing system using thermal head and transfer ink r Label tape printing system using thermal head and transfer ink r

1993-02-24

1994-03-22

Burr, Edgar S.

Typewriting machines

Sheet or web

For feeding web record-medium

400 88, 400207, 400613, 4006152, 156277, B41J 1516

Patent

active

052957535

ABSTRACT:
A label tape printer has a more-or-less conventional label tape cassette gear train mechanism except that the main motor has a clutching means that can disengage the motor when the motor is not on and turning. This allows the motor loads to turn the gear trains without any tendency of the motor to hold the gear train frozen by its advantage through the gear reduction. Therefore a pull on the label tape end will result in the entire gear train turning and thereby preventing the ink ribbon from forming a loose loop that can get sucked into an adhesive tape sandwich (with catastrophic results). The label tape cassette is provided with a guide roller having deep grooves, giving the appearance of a piece of machine screw threaded stock, that is positioned to keep the adhesive tape from sticking to the inside walls if the tape reels loosen. The adhesive tape has a reduced surface area on the guide roller to become stuck on it also.

REFERENCES:
patent: 2555319 (1951-06-01), Cross
patent: 3834507 (1974-10-01), Bradshaw
patent: 4480936 (1984-11-01), Kasun
patent: 4504837 (1985-03-01), Toyoda
patent: 4773775 (1988-09-01), Bradshaw
patent: 4832514 (1989-05-01), Basile
patent: 4836697 (1989-06-01), Plotnick
patent: 4861176 (1989-08-01), Distefano
patent: 4917514 (1990-04-01), richardson
patent: 4976558 (1990-12-01), Kuzuya
patent: 5056940 (1991-10-01), Basile

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