Patent · US Expired

Method and apparatus for causing a series of mechanical actions

US4796656A · kind A · utility

7Cited by
8References
23Claims
0Family size

Inventors

Key dates

Filing dateFeb 20, 1987
Grant dateJan 10, 1989
Priority date—
Expiry dateFeb 20, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/8671
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A feedback type of diversion valve which can be used to sequentially "operate" or "activate" fluid responive structures such as tubes of a pillow.

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