Supports – Armrest or headrest – Armrest for writer
Patent
1992-01-01
1993-03-16
Chin-Shue, Alvin C.
Supports
Armrest or headrest
Armrest for writer
2484411, A47B 1900
Patent
active
051937727
ABSTRACT:
A hand and brush guide manipulated the length of a mahl in the form of a beam adjusted as to height over a base supporting an artist's canvas, carriages at opposite sides of the base carrying the mahl in spaced relation over the base and supported canvas, the guide slidably carried on the mahl by antifriction bearings and positioned by a brake for steadying the artist's hand and brush, with adjustment for said spaced relation of the mahl and guide from the canvas and with braking to position them between top and bottom positions over the canvas.
REFERENCES:
patent: 194138 (1877-08-01), Elbe
patent: 794042 (1905-07-01), O'Connor
patent: 3101568 (1963-08-01), Tratt
patent: 4717109 (1988-01-01), Johnston
Chin-Shue Alvin C.
Maxwell William H.
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