Thermal head supporting means in thermal recording apparatus

Details Thermal head supporting means in thermal recording apparatus Thermal head supporting means in thermal recording apparatus

1988-08-03

1989-08-08

Goldberg, E. A.

Recorders

Thermal recording

346145, 346139R, 400 82, 400120, G01D 1510

Patent

active

048557552

ABSTRACT:
In a thermal recording apparatus using a plurality of thermal heads supported by a head supporting means including a head supporting mechanism and a head pressing mechanism. The head supporting means includes single supporting units provided for correspondingly respectively supporting the thermal heads. Each of the single supporting units has a pair of hook-shaped members fixed to corresponding one of the thermal heads at two places of the rear surface thereof, and has a head supporting member having a pair of side end portions corresponding to the pair of hook-shaped members and a plane portion formed between the pair of side end portions and fixed to a rotatable pillar-shaped member. The head supporting member is engaged at its side end portions with the respective hook-shaped members so as to be movable in the vertical and rotational directions. The head pressing mechanism has a pair of compression springs for pressing the rear surface of each of the thermal head at a symmetric position, a pair of movable members for correspondingly respectively keeping the thermal heads through the compression springs, and a common movable member for arranging the pair of movable members on one straight line and for keeping the pair of movable members each other at symmetric positions.

REFERENCES:
patent: 1055367 (1913-03-01), Stickney
patent: 4145698 (1979-03-01), Wysong
patent: 4151397 (1979-04-01), Boor, Jr. et al.
patent: 4205395 (1980-05-01), Shortridge
patent: 4213135 (1980-07-01), Medvecky
patent: 4626873 (1986-12-01), Kotani et al.
patent: 4660052 (1987-04-01), Kaiya et al.
patent: 4739344 (1988-04-01), Sullivan et al.

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