Patent · US Expired

Sealing device for a pressure fluid cylinder without piston rod

US4555980A · kind A · utility

25Cited by
8References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 3, 1982
Grant dateDec 3, 1985
Priority date
Expiry dateDec 3, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF15B15/082
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pressure fluid cylinder without a piston rod and of the kind having a slotted cylinder tube (1) and a piston displaceable therein, said piston being connected to a movement transfer device, which extends radially through the slot. The slot is sealed axially on each side of the piston by means of internal and external sealing strips (31,32) consisting of a flexible sealing band (37, 38) as well as retention means (44,45) extending into the slot and securing a releasable mechanical engagement with each other or, by friction, with the side walls of the slot.

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