Typewriting machines – Means auxiliary to typewriting function – Attachment for shielding or screening record-medium or...
Patent
1979-12-27
1981-10-13
Pieprz, William
Typewriting machines
Means auxiliary to typewriting function
Attachment for shielding or screening record-medium or...
400679, 248459, 434227, B41J 2912
Patent
active
042945577
ABSTRACT:
A portable shield intended to block the student typist's view of the keyboard and cylinder is made of cardboard having creases for folding at convenient locations. One portion of the shield screens the keyboard while another portion screens the cylinder. A relatively long extension member is attached to one side of the keyboard portion, extends downwardly along one side of the typewriter and is folded to pass under the feet of the typewriter in order to hold the device in place. The keyboard shield portion is also flexibly attached to the top of the typewriter so that the operator can raise the keyboard portion simply by raising his wrists against the bottom of it. This will enable him to check the position of his hands on the keyboard.
REFERENCES:
patent: 772130 (1904-10-01), Chandler
patent: 1257506 (1918-02-01), McGill
patent: 1533585 (1925-04-01), Corcoran
patent: 1650866 (1927-11-01), Fimess
patent: 2472166 (1949-06-01), Mathewson
patent: 3762528 (1973-10-01), Garman
patent: 3971140 (1976-07-01), Martinez
patent: 4105182 (1978-08-01), Jacobson
Laluk, "Security Device for Typewriter" Xerox Disclosure Bulletin vol. 3, No. 5 p. 305 Sep./Oct. 1978.
Blanchard Carroll H.
Marcelonis Robert P.
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