Patent · US Expired

Support structure

US4188681A · kind A · utility

27Cited by
8References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1978
Grant dateFeb 19, 1980
Priority date
Expiry dateAug 21, 1998

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE01D19/043
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A support structure comprising a pair of support units each including a housing and a ball stud having a ball portion placed in the housing and a shank portion formed integrally with the ball portion, the upper support unit having its ball stud shank portion extending downward from the housing fixed to an upper structure such as a bridge girder, the lower support unit having its ball stud shank portion extending upward from the housing fixedly embedded in a lower structure such as a bridge base in the position facing the upper support unit, the upper and lower support units connected to each other at their ball stud portions, and retaining member fixed on a base plate fixed on the lower structure and fitted around the shank portion of the coupled upper and lower support units.

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