Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1975-09-09
1977-06-28
Lucas, Jay P.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
346139C, 346165, G03G 15044, G03G 1700
Patent
active
040329305
ABSTRACT:
In a stencil cutting device having a stylus for burning information from an original document into stencil material mounted for relative movement with respect thereto, apparatus for moving the stylus toward and away from the material includes an electromagnet having first and second pole pieces joined together to provide a predeterminedly shaped junction. The electromagnet has a curved surface and a blade-like support of magnetic material mounted for pivotal movement at a first end with the stylus attached thereto at the opposite end, and overlying the curved surface of the electromagnet normally in spaced relation therewith. Upon energization of the electromagnet, the support is drawn into engagement with the curved surface of the joined pole pieces to move the stylus into contact with the stencil material. The support is spaced slightly from the electromagnet at the free end thereof to provide a dampening effect for the stylus.
REFERENCES:
patent: 2591138 (1952-04-01), Cooley
patent: 2741960 (1956-04-01), Oldenboom
patent: 2766097 (1956-10-01), Zabriskie
patent: 3115382 (1963-12-01), Morse
patent: 3434159 (1969-03-01), Erdman
Lucas Jay P.
Lucyshyn Peter S.
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