US PATENT SUBCLASS 182 / 2.1
MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT

Current as of: June, 1999
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182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

2.1MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT {2}
2.2  DF  .~> Adjustable to plural operating positions
2.3  DF  .~> Swingable support {6}

DEFINITION

Classification: 182/2.1

MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT:

(under the class definition) Device comprising a work station (e.g., bucket, cage, seat, etc.) intended to pivot about an axis generally parallel with the ground or support thereunder, with means to hold the work station in a level

position regardless of the angle of inclination of the movable support relative to the ground.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

111+, for a mechanism operated or relatively movable shaft assembly; e.g., a tilting skeleton tower, per se.