Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage – per se – or guideway therefor
Patent
1991-01-30
1993-01-12
Burr, Edgar S.
Typewriting machines
Carriage or carriage-moving or movement-regulating mechanism
Carriage, per se, or guideway therefor
400 55, 400 56, B41J 1120
Patent
active
051784769
ABSTRACT:
A carriage is displaceable parallel to a record carrier and supports a head displaceable in a direction essentially perpendicular to the record carrier. In order to obtain a mounting free of play while maintaining parallelism of the head during its movement and at the same time reduce the risk of damage to the head in the event of a collision, the head is supported by at least one leaf spring pair. Each leaf spring pair consists of a front and a rear leaf spring attached between the carriage and the head in attachment points. The connecting lines between the attachment points of the leaf springs substantially form a parallelogram. The apparatus is used as a printer for printing information on record carriers of paper type.
REFERENCES:
patent: 3447455 (1969-06-01), Shneider
patent: 3523992 (1970-08-01), Bickoff
patent: 3912068 (1975-10-01), Kwan
patent: 4174908 (1979-11-01), Wehler
patent: 4189244 (1980-02-01), Harrison
patent: 4420269 (1983-12-01), Ackermann
patent: 4883375 (1989-11-01), Karube
IBM Technical Disclosure Bulletin; vol. 26; No. 3B; Aug. 1983; "Printhead Spacing Adjustment for Paper Thickness"; D.K. Rex.
Burr Edgar S.
Digital Equipment Corporation
Hudgens Ronald C.
Myrick Ronald E.
Raciti Eric P.
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