Printing apparatus

Details Printing apparatus Printing apparatus

1979-09-11

1981-04-21

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101 9311, 101 90, B41J 342

Patent

active

042625939

ABSTRACT:
A printing apparatus especially for a cash register has printing wheels mounted on a shaft with a spring pressed friction detent means between the shaft and each wheel so that the wheels are positively driven but can overrun the detent means when they are stopped in their printing positions while having residual frictional engagement; the shaft rotating through only a part revolution then remaining stationary during printing and finally driving in rotating through only a part revolution then remaining stationary during printing and reverse to return the wheels to their starting positions.

REFERENCES:
patent: 3033107 (1962-05-01), Hanley
patent: 3415184 (1968-12-01), Perucca
patent: 3728961 (1973-04-01), Gross et al.
patent: 3814010 (1974-06-01), Stanchev et al.
patent: 3828664 (1974-08-01), Dikoff
patent: 3884144 (1975-05-01), Shimodaira
patent: 4084507 (1978-04-01), Sato

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