Electric positioning apparatus

Details Electric positioning apparatus Electric positioning apparatus

1987-01-16

1989-10-10

Braun, Leslie A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

901 23, 901 28, 248653, 744248R, G05G 1100, B25J 1700

Patent

active

048723630

ABSTRACT:
A three-dimensional positioning apparatus comprising a base (180), a first element (182) and a second element (186) is constructed in the form of a sawhorse bracket. The first element (180) is pivotable about a first pivot axis (184) only, and the second element (186) is pivotable about two axes, one substantially parallel to and one substantially perpendicular to the first pivot axis (184). The first element is positioned by a first axially elongatable cylinder (188), lying at an angle to a first plane extending through the first element and through the first pivot axis. The second element is positioned by a pair of second axially elongatable cylinders (194), arranged in a plane generally parallel to the first plane, and angled with respect to each other and converging towards each other from the base to the second element.

REFERENCES:
patent: 3215391 (1965-11-01), Storm
patent: 3288421 (1966-11-01), Peterson
patent: 3295224 (1967-01-01), Cappel
patent: 3529354 (1970-09-01), Roberts et al.
patent: 3577659 (1971-05-01), Kail
patent: 3779400 (1973-12-01), Brockman et al.

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