Patent · US Active

Cylinder with internal pushrod

US7441405B2 · kind B2 · utility

3Cited by
13References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 2006
Grant dateOct 28, 2008
Priority date
Expiry dateAug 5, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B2211/88
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A cylinder assembly is disclosed. The cylinder assembly may include a cylinder body having an internal cavity therein and a piston and rod assembly disposed for axial movement within the internal cavity of the cylinder body. The piston and rod assembly may have an axial passage extending therein. The cylinder assembly may further include a tubular element received within the axial passage of the piston and rod assembly. At least a portion of the tubular element may extend out of the axial passage and into the internal cavity of the cylinder body between the axial passage and a wall of the cylinder body.

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