Supports – Brackets – Adjustable
Patent
1985-12-10
1987-07-28
Husar, Cornelius J.
Supports
Brackets
Adjustable
248592, 248454, 188339, 188166, 33430, E04G 300
Patent
active
046827498
ABSTRACT:
An adjustable copyholder comprises a base and a cantilever arm having a plurality of cantilever arm segments attached thereto, and a copy support plate mounted at the free end of the cantilever arm. The cantilever arm is connected pivotally to the base. The cantilever arm segments are connected pivotally with each other. The copy support plate is connected pivotally to the cantilever arm. The pivot joints used to extend the cantilever arm have single pivot axes which are parallel to each other, horizontal and transverse to the cantilever arm, wherein these pivot joints are manually adjustable, at least controllable frictionally, the pivotability of the cantilever arm segments connected pivotally with each other being associated with a securing mechanism for each pivot joint. In order to provide for a simple more reliable operation at least one handle is provided, which is constructed and arranged to act by means of intermediate members on the plurality of securing mechanisms associated with the pivot joints having a single pivot axis.
REFERENCES:
patent: 794099 (1905-07-01), Heaney
patent: 1460697 (1923-07-01), Bendlin
patent: 2046806 (1936-07-01), Baum et al.
patent: 2134512 (1938-10-01), Hall
patent: 3160379 (1964-12-01), Gardella
patent: 4533027 (1985-08-01), Otani et al.
Dubno Herbert
Husar Cornelius J.
Knight Anthony
Lianides Ronald
Ross Karl F.
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