Patent · US Expired

Positive lift pin for aircraft drain valve

US5246131A · kind A · utility

13Cited by
20References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 1992
Grant dateSep 21, 1993
Priority date
Expiry dateSep 22, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/18
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A positive lift pin means is provided which operates to force open an aircraft drain valve door at least to an unsealed position when the door is released from its closed position.

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