Printing apparatus having means fixing ink ribbon unit and...

Details Printing apparatus having means fixing ink ribbon unit and... Printing apparatus having means fixing ink ribbon unit and...

2007-03-27

2007-03-27

Evanisko, Leslie J. (Department: 2854)

Typewriting machines

Typing by other than type-face or type-die

Thermal

C400S208000, C400S692000, C347S213000, C347S222000

Reexamination Certificate

active

10978240

ABSTRACT:
The printing apparatus comprises a first detachable unit U1, a second detachable unit U2, and a main body unit U5formed such that the first and second detachable units U1and U2are detachably mounted thereto. When a unit fixing means33provided on a head unit U3of the main body unit rotates in a clockwise direction to be laid horizontally and then a boss36is fitted into a concave portion33A, the head unit U3and a pinch roller unit U4are connected to each other through the unit fixing means. The first detachable unit is pressed by a left end of the unit fixing means, and the second detachable unit is pressed by a right end of the unit fixing means. As a result, it is possible to prevent the first and second detachable units from separating from the main body unit forward. In addition, when the unit fixing means is rotated in a counterclockwise direction to be upwardly constructed, the first detachable unit U1and the second detachable unit U2can be mounted detachably to the main body unit.

REFERENCES:
patent: 5431504 (1995-07-01), Beadman et al.
patent: 07-61009 (1995-03-01), None
patent: 9-66617 (1997-03-01), None
patent: 2002 337369 (2002-11-01), None
patent: 2005-246873 (2005-09-01), None

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