Printing mechanism with torque limiting detent elements on actua

Details Printing mechanism with torque limiting detent elements on actua Printing mechanism with torque limiting detent elements on actua

1986-11-24

1990-08-28

Burr, Edgar S.

Printing

Selective or progressive

Printing members

101105, B41J 120

Patent

active

049515659

ABSTRACT:
A printing mechanism is described having a plurality of type carriers (12, 34) which at their outer peripheral face carry in one region printing types and in another region indicator types (44). The printing types can be brought by turning the type carriers (12, 34) into a printing position. The turning travel of the type carriers (12, 34) can be limited with the aid of stop means (100, 102, 104, 106, 110). By means of a setting means (32, 20, 24) which can be brought by axial displacement into a drive connection with each of the type carriers (12, 34) each type carrier (12, 34) can be turned. A torque limiting means (96) permits transfer of a limited torque between a first component (32) and a second component (20) of the setting means. A securing means (68, 72) serves for axially fixed connection of the first component (32) to the second component (20). The torque limiting means is formed by resilient detent elements (96) which are disposed on the first component (32) and which are in engagement with complementary detent elements (66) on the second component (20). The securing means (68, 72) is disposed on the second component (20).

REFERENCES:
patent: 1092574 (1914-04-01), Jansson
patent: 2546633 (1951-03-01), Dodge
patent: 2919602 (1960-01-01), Spraragen
patent: 4275654 (1981-06-01), Hamisch, Jr. et al.
patent: 4662276 (1987-05-01), Schrotz

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