Internally wired counter-balanced bracket

Details Internally wired counter-balanced bracket Internally wired counter-balanced bracket

1976-01-09

1976-11-30

Hafer, Robert A.

Supports

Brackets

Adjustable

240 81BD, 248281, A47H 110

Patent

active

039944646

ABSTRACT:
In that type of extensible, tiltable counter-balanced lamp bracket in which three degrees of freedom are provided about a balance point, the mechanism which furnishes the 3.degree. of freedom also provides a hollow encompassing the balance point, so that connectors may be drawn directly therethrough. A hollow link extends from the balance point to a fulcrum hinge at which it mounts the principal counter-balanced arm. The arm there is directed into two portions offset from the center plane. The offsets of the principal arm provide a slot in which the link means is accommodated when the extensible bracket is folded.

REFERENCES:
patent: 3391890 (1968-07-01), Perbal
patent: 3396931 (1968-08-01), Eckstein
patent: 3476931 (1969-11-01), Fletcher
patent: 3489384 (1970-01-01), Perbal
patent: 3790773 (1974-02-01), Sapper
patent: R17845 (1930-10-01), Bosworth

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