Patent · US Expired

Rotary actuator

US6966249B2 · kind B2 · utility

2Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 24, 2003
Grant dateNov 22, 2005
Priority date
Expiry dateJun 24, 2023

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B15/068
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A rotary actuator including a tube. A piston disposed in the tube and configured for displacement there along. The piston having a spline extending radially outwardly therefrom formed by plurality of grooves and a plurality of non-grooved portions. At least some of the non-grooved portions of the spume defining a passageway extending radially inwardly through a side of the piston. An axle rod disposed in the piston and having a second spline. A set of pins each positioned through a passageway through the piston to engage the second spline.

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