Patent · US Expired

Working cylinder

US6840154B2 · kind B2 · utility

1Cited by

6References

19Claims

0Family size

Assignee

FESTO AG & CO. · US

Inventors

Uwe Modinger · Wernau, DE
Dieter Waldmann · Großenhain, DE

Key dates

Filing date	Jun 15, 2002
Grant date	Jan 11, 2005
Priority date	—
Expiry date	Jul 17, 2022

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B15/1438
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A drive cylinder comprising a cylinder barrel (3) extending between two cylinder heads (2a and 2b) and a plurality of ties (13) distributed about the outer periphery of the cylinder barrel (3) and bracing the cylinder heads (2a and 2b). Of these of ties at least one is constituted by a profile part (26) which extends in the peripheral direction (14) of the cylinder barrel (13) some distance along its outer periphery and whose profile provides means for the implementation of at least one additional function.

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