Patent · US Expired

Clamp device for a ladder adjustment apparatus

US5553963A · kind A · utility

14Cited by
15References
13Claims
0Family size

Inventors

Key dates

Filing dateDec 8, 1994
Grant dateSep 10, 1996
Priority date
Expiry dateDec 8, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/7105
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A clamp device 10 including both fixed 10" and moveable versions 10' attached to a portion of a ladder adjustment apparatus 110 for engaging the rungs 101 of a ladder 100. The device 10 comprises a lower generally C-shaped jaw member 20 having a recess 26 to receive an adapter member 50 to grasp the rung of the ladder 100. The lower jaw member 20 is pivotally connected to a portion of the ladder adjustment apparatus 110 to accommodate the angular orientation of the adjustment apparatus 110 relative to the rungs 101 of the ladder 110.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.