Patent · US Expired

Transloader

US4723805A · kind A · utility

2Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1986
Grant dateFeb 9, 1988
Priority date
Expiry dateOct 6, 2006

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B19/09
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A transloader provides means and method for adjusting multiple chains in an array for uniform tensioning. The transloader is mounted adjacent a reference member with chain adjustment rods passing through respective spring assemblies in a spring block. The central adjustment rod is adjusted to position the spring block with respect to the reference member and the remaining adjustment rods adjusted to position respective spring followers relative to the spring block thereby providing uniform tension on all chains.

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