Patent · US Active

Adjustable-length actuating element

US7487709B2 · kind B2 · utility

3Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 2003
Grant dateFeb 10, 2009
Priority date
Expiry dateApr 6, 2027

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2900/548
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An adjustable-length actuating element comprises an energy storing device. A casing and a piston rod, which is displaceable in the casing, are provided within the actuating element. A spindle drive is integrated in the energy storing device. A driving shaft is in rotary driving connection with the piston rod.

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