Final positioning vibration damping device for type disc typewri

Details Final positioning vibration damping device for type disc typewri Final positioning vibration damping device for type disc typewri

1980-09-04

1982-02-02

Eickholt, E. H.

Typewriting machines

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

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

101 9302, B41J 132

Patent

active

043136826

ABSTRACT:
Disclosed is a device for use in type disc typewriters or similar machines having types carried by spokes radially extending from a common hub which is rotated to position a selected spoke at a print position. The device is operative to lock the type disc at the selected position and to restrain vibration of spokes adjacent to the spoke at the printing position. To this end there is provided a lever which acts against the hammer side of the type disc shortly before the printing of the selected type to displace the selected type spoke and interpose itself between adjacent type spokes to either side of the selected type spoke to preclude axial as well as circumferential vibration of the type disc.

REFERENCES:
patent: 3698529 (1972-10-01), Cattaneo
patent: 3773161 (1973-11-01), Bossi
patent: 3840105 (1974-10-01), Kittredge
patent: 3970186 (1976-07-01), Sohl et al.
"Typewriter Hammer/Print Wheel System", Berger Xerox Discl. Journal, vol. 1, No. 4, Apr. 1976, pp. 39-40.

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