Tripod

Details Tripod Tripod

1977-09-02

1978-12-12

Staab, Lawrence J.

Supports

Stand

Plural leg

2481887, F16M 1132

Patent

active

041292782

ABSTRACT:
A stable tripod for an optical telescope comprises a head having an inwardly facing circular side wall, three legs, each having a shoe located at its upper end adapted to engage and push outwardly against the circular wall and having a lower end for engaging a surface upon which the support rests, means cooperating with said legs and providing a pivot whereby motion of the lower ends of said legs in an inward direction results in outward motion of the shoes against the wall, and means for urging the lower ends of the legs inwardly in order to urge the shoes tightly against the wall.

REFERENCES:
patent: 383535 (1888-05-01), McPherson
patent: 455345 (1891-07-01), Lovejoy
patent: 461755 (1891-10-01), Hayes
patent: 1806074 (1931-05-01), MacGregor
patent: 3313505 (1967-04-01), Petrie
patent: 3779497 (1973-12-01), Webber

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