Patent · US Expired

Door frame and method for forming a door frame

US5992021A · kind A · utility

13Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 1997
Grant dateNov 30, 1999
Priority date
Expiry dateFeb 12, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49627
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A door frame for a vehicle includes a main member formed by one sheet and having a first supporting portion with an opening, a second supporting portion which has an opening oppositely arranged to the opening of the first supporting portion, a decorative portion which has a sloped edge portion that changes the width of the decorative portion, and a submember formed by one sheet and fixed to the main member so as to form an enclosed space between the main member and the submember. The cross-sectional area of the enclosed space gradually changes along the longitudinal direction of the door frame.

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