US PATENT SUBCLASS 182 / 2.11
.~.~ Telescopic support

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

2.1  DF  MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT {2}
2.3  DF  .~ Swingable support {6}
2.11.~.~ Telescopic support

DEFINITION

Classification: 182/2.11

Telescopic support:

(under subclass 2.3) Device comprising a linearly extensible and retractable boom which is relatively movable to increase or decrease its end-to-end length to raise or lower the work platform.