Lockable leveling structure

Details Lockable leveling structure Lockable leveling structure

1991-12-09

1994-03-08

Chotkowski, Karen J.

Supports

Staff type

Stand or base

2481882, 248528, A47G 3300

Patent

active

052921018

ABSTRACT:
A lockable leveling structure has a vertical stand with a base at one end. The stand has legs pivotally attached and can be locked in a stable manner by a slide collar and thumb screw. The slide collar is movable about the vertical stand and makes a solid contact against the end of the legs causing the outer end of the legs to move up or down respective to one another to compensate for an unlevel support surface. This provides a solid motionless structure that can carry a load bearing fixture in desired degree of levelness in a safe, stable, novel manner without the use of shims, or altering the surface while on unlevel surfaces. The slide collar is unlocked and raised up the stand member allowing the bottom of the legs to rotate up toward the vertical stand member causing the structure to be in a compact package for storage or transport.

REFERENCES:
patent: 594491 (1897-11-01), Silverman
patent: 1028787 (1912-06-01), Rossmeissl
patent: 2014896 (1935-09-01), Hollander
patent: 3045959 (1962-07-01), Herrington
patent: 3473771 (1969-10-01), Newman
patent: 3480250 (1969-11-01), Hankins
patent: 3661349 (1972-05-01), DeVries
patent: 4923156 (1990-05-01), Linneusson

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