Patent · US Expired

Hydraulic actuator

US5410946A · kind A · utility

2Cited by
14References
32Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 21, 1992
Grant dateMay 2, 1995
Priority date
Expiry dateOct 21, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21D24/14
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A hydraulic actuator including a single cylinder body which defined therein a pressure chamber in which a first piston with a piston rod and a second piston with a piston rod are independently movably inserted, a first working member secured to the first piston rod, a second working member secured to the second piston rod, and pressurized fluid inlet and outlet ports provided in the cylinder body to be connected to the pressure chamber.

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