Patent · US Expired

Column pad layout device, anchor bolt layout device, and layout methods

US4357755A · kind A · utility

14Cited by
8References
8Claims
0Family size

Inventors

Key dates

Filing dateJun 23, 1980
Grant dateNov 9, 1982
Priority date
Expiry dateJun 23, 2000

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02D17/00
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A column pad layout fixture having a pair of intersecting cross-arms and a third arm fixed to the intersecting pair of arms. An anchor bolt layout having an elongated rod and a cooperating cross-arm. A method of placing and fixing an anchor bolt plate accurately in a mass of concrete freshly poured into an excavation located at intersecting column center lines to provide a base for a single vertical column of a line of columns. A method of laying out a rectangular or square area upon a plane or flat surface.

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