Arrangement for fitting and tensioning an endless character-bear

Details Arrangement for fitting and tensioning an endless character-bear Arrangement for fitting and tensioning an endless character-bear

1975-12-01

1977-02-08

Coven, Edward M.

Printing

Selective or progressive

Printing members

101 9314, B41J 120

Patent

active

040066827

ABSTRACT:
This disclosure relates to a construction in a printer of the type utilizing an endless character-bearing band which is carried in a cartridge and which is mounted in the printer on two pulleys in a tensioned state, the construction including means for changing the spacing of the two pulleys only after a cartridge has been placed within the printer with the means being in the form of a key which rotates a cam and which key has associated therewith means for moving a protective member relative to the band when the key is in an operative position. The construction further includes locking means for preventing the insertion of the key into an operative position until such time as a cartridge is in position and the cover of the printer has been closed.

REFERENCES:
patent: 3772988 (1973-11-01), Bowers et al.
patent: 3805697 (1974-04-01), Mahe
patent: 3805698 (1974-04-01), Bowers et al.
Kraemer, IBM Technical Disclosure Bulletin, vol. 13, No. 11, Apr., 1971, pp. 3366-3367.
Iobst et al., IBM Technical Disclosure Bulletin, vol. 15, No. 4, Sept., 1972, p. 1234.

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