Center column friction control system for video tripod

Details Center column friction control system for video tripod Center column friction control system for video tripod

1993-02-24

1994-08-23

Gellner, Michael L.

Supports

Pipe or cable

Extending through plate

354293, 2481885, 248169, G03B 2900, G03B 1700, F16M 1126, F16M 1138

Patent

active

053411854

ABSTRACT:
Smooth vertical movement of the center column of a tripod is assured by resilient sleeves fitted on the column and urged by a spring against stationary inclined inner surfaces which deflect end portions of the sleeves against the column to maintain continuous frictional resistance against movement of the column through the bore.

REFERENCES:
patent: 2703691 (1955-03-01), Minnis
patent: 2709560 (1955-05-01), Resk
patent: 3705703 (1972-12-01), Niggeloh
patent: 4324477 (1982-04-01), Miyazaki
patent: 5203871 (1993-04-01), Seo

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