Patent · US Expired

Transportable bridge structure

US4521932A · kind A · utility

17Cited by
8References
23Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 7, 1982
Grant dateJun 11, 1985
Priority date—
Expiry dateDec 7, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63B27/143
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A bridge module comprises two longitudinal main girder structures and a central deck having a deck surface, said main girder structures being foldably connected are along each side of said central deck and being foldable between an operative position in which said main girder structures offer extensions of said deck surface on either side of said central deck for use and a closed position in which said main girder structures are folded beneath said deck.

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