Patent · US Expired

Segmented door opener

US4588221A · kind A · utility

11Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 1985
Grant dateMay 13, 1986
Priority date
Expiry dateJun 25, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/876
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

The subject of this patent application is a door assembly (10) having a knob (38) which, during shipment, is segregated from the rest of the assembly (10) for ease in packaging and storage. The invention includes a unique locking element (62) for securing the knob (38) to the door closure panel (12) when the panel (12) is at a location at which it is to be installed.

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