Patent · US Expired

Pneumatic phase module locking device

US4364414A · kind A · utility

9Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 1980
Grant dateDec 21, 1982
Priority date
Expiry dateJul 28, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87893
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A locking device, for a pneumatic sequential control phase module, is constituted by an apparatus adapted to be placed between a base and a housing containing a bi-stable memory, and comprises a selector member receiving cancelling signals and auxiliary signals and the output of which is coupled to a locking input of an inhibitor element placed in series with the channel which transmits the control signals for placing the memory in logic state "1".

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