Vibrating apparatus including means for absorbing vibration and

Details Vibrating apparatus including means for absorbing vibration and Vibrating apparatus including means for absorbing vibration and

1989-07-11

1991-06-25

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Frame, casing, or support for typewriter

400693, 400663, 400668, B41J 2904

Patent

active

050261860

ABSTRACT:
A vibrating apparatus, such as a shuttle type dot printer, has a vibrating unit mounted in the casing thereof and which, when it operates, generates vibrations in opposite lateral directions of the vibrating unit. The vibrating unit is mounted in the casing for providing interacting of vibrations which occur in the inside by leaf type springs connected between pairs of projections on the vibrating unit and the casing with the plane of the leaf type springs perpendicular to the lateral direction of the vibrations of the vibrating unit. The apparatus further has a locking device for locking the vibrating unit relative to the casing, which, when the casing is on a supporting surface, allows the vibrating unit to vibrate freely in the opposite lateral directions, and which, when the casing is lifted off the supporting surface, locks the vibrating unit to the casing.

REFERENCES:
patent: 2923505 (1960-02-01), Immendorf
patent: 4227455 (1980-10-01), Pennebaker
patent: 4306497 (1981-12-01), Hamada
patent: 4325133 (1982-04-01), Reitmayer
patent: 4543884 (1985-10-01), Kikuchi et al.
patent: 4713714 (1987-12-01), Gatti et al.
patent: 4796849 (1989-01-01), Fouassier
patent: 4863139 (1989-09-01), Grutzmacher et al.
IBM Technical Disclosure Bulletin, "Anti-Vibration Mount Locking Device", Dunman, J. P. and Parrish, B. H., vol. 20, No. 11A, Apr. 1978.

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