Print element with plural type layers of varying thickness

Details Print element with plural type layers of varying thickness Print element with plural type layers of varying thickness

1981-12-17

1983-10-25

Eickholt, E. H.

Typewriting machines

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

Including type-faces movable relative to type-face-carrier

400174, 101 9317, 101 9303, B41J 126

Patent

active

044115393

ABSTRACT:
A print element for a printer having a multiplicity of type members arranged in a plurality of layers are supported on a support member or support members and one of said type members is brought to a predetermined printing position in which the type member strikes a sheet of paper wound on a paper to carry out printing by the type member. The thicknesses of the type members are varied from one another depending on the position in which each type member is arranged and on the vertical dimension of each type member. And when the type members are disposed in two layers on the forward ends of spokes extending from a center hub of the print element, and the back of the support member is struck by a print hammer to carry out printing by the type member, the support member has its thickness varied in accordance with the thickness of the type member supported thereon, so that the sum of the thickness of each type member and the thickness of the support member is substantially constant for all the type members.

REFERENCES:
patent: 3848722 (1974-11-01), Bolan et al.
patent: 4291993 (1981-02-01), Gagnebin
patent: 4335970 (1982-06-01), Iwata et al.
"Print Impression Control Device" IBM Technical Disclosure Bulletin, vol. 19, No. 2, Jul. 1976 pp. 443-444.
"Print Hammer Compensation" IBM Technical Disclosure Bulletin, vol. 19, No. 10, Mar. 1977 p. 3693.
"Print Wheel" IBM Technical Disclosure Bulletin, vol. 19, No. 8, Jan. 1977, p. 2990.

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