Mechanical arm with two link members

Details Mechanical arm with two link members Mechanical arm with two link members

1985-10-30

1986-12-16

Cross, E. Rollins

Illumination

Supports

Adjustable light support

362 33, 362269, 362396, 362419, F21M 318

Patent

active

046301852

ABSTRACT:
A mechanical arm has a free end that can be positioned in an almost infinite number of locations relative to a fixed end. The mechanical arm may be used as a free position lamp. The arm is free standing in the location without the use of counter balance or springs. The arm comprises a fixed end base and a free end portion with a pair of spaced apart separate link members therebetween, each link member is substantially the same and each has a first goose neck portion with a rotatable connection to the fixed base, a first rigid rod between the first goose neck portion and a second goose neck portion and a second rigid rod between the second goose neck portion and a rotatable connection to the free end portion, a first flexible spacer between the first rigid rods in the pair of link members and a second flexible spacer between the second rigid rods in the pair of link members.

REFERENCES:
patent: 3291977 (1966-12-01), Nafe
patent: 4109144 (1978-08-01), Vidmar
patent: 4208037 (1980-06-01), LeGal
patent: 4437144 (1984-03-01), Guenther

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