Patent · US Expired

Combination of cushion, adjuster and side ports in a single unit rotary actuator

US4638717A · kind A · utility

8Cited by
5References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 1, 1985
Grant dateJan 27, 1987
Priority date
Expiry dateFeb 1, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B15/227
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rotary actuator having a piston travel adjustment mechanism and a cushioning mechanism associated in a single attached unit, with side porting for fluid pressure, thus having a more compact structure that is lighter in weight and yet completely adjustable.

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