US PATENT SUBCLASS 182 / 69.5
.~ Erecting means actuated by lazy tong

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

63.1  DF  HAVING TRANSPOSITIONING BASE AND ERECTING MEANS {4}
69.5.~ Erecting means actuated by lazy tong

DEFINITION

Classification: 182/69.5

Erecting means actutated by lazy tong:

(under subclass 63.1) Device wherein the means to raise or lower the work platform comprises a vertically extensible or retractable scissors structure interposed between the supporting base and the work platform.