Receiving arrangement for a multiple type carrier for an impact

Details Receiving arrangement for a multiple type carrier for an impact Receiving arrangement for a multiple type carrier for an impact

1985-10-29

1987-07-07

Sewell, Paul T.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Type-head, per se

101 9317, 4001442, 400521, 400699, 4007092, B41J 130

Patent

active

046783520

ABSTRACT:
In a system including a cassette containing a print wheel arranged to cooperate with holding devices provided in an impact printer having a rotatable setting shaft to which the print wheel can be releasably fastened for rotation therewith, the cassette is formed to enclose the print wheel on all sides except the region where it is to be acted upon by a printing hammer, and the cassette and printing wheel can be provided with elements which cooperate to hold the printing wheel in a predetermined angular position in the cassette when the printing wheel is disconnected from the setting shaft. The printer can be provided with a detent mechanism cooperating with countendetent elements in the cassette to hold the cassette in a fully inserted position in the printer. The cassette is associated with a removable cover member engageable with the cassette for closing the region near its top and enclosing the portion of the print wheel where the hammer mechanism would act on a type face, in order to protect the print wheel when the cassette is removed from the printer.

REFERENCES:
patent: 3805697 (1974-04-01), Mahe
patent: 4124312 (1978-11-01), Johnson
patent: 4127335 (1978-11-01), Bogert

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