Single element typehead positioning mechanism

Details Single element typehead positioning mechanism Single element typehead positioning mechanism

1975-06-09

1976-06-15

Burr, Edgar S.

Textiles: fiber preparation

197 18, G41J 132

Patent

active

039631095

ABSTRACT:
A non-homing positioning mechanism to effect type selective movements of a single element typehead by means of coordinate band systems wherein the coordinate band systems are cntrolled by a translator comprising a four armed cross-shaped member unidirectionally rotatable in 90.degree. steps. A set of radially spaced pins are arranged along opposing arms of the cross-shaped member, the sets being alternately selectively settable in response to successive character selections to cause selective band displacement incident to each 90.degree. rotation of said cross-member. One end of each band system is anchored and the other end is connected to position and hold the typehead to a selected character in accordance with the displacement thereof through selected pins on opposing arms of and incident to movement of the cross-shaped member.

REFERENCES:
patent: 2661683 (1953-12-01), Beattie
patent: 3201514 (1965-08-01), Kleinschmidt et al.
patent: 3467233 (1969-09-01), Jablonski
patent: 3596746 (1971-08-01), Murat
patent: 3616888 (1971-11-01), Kawano et al.

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