Sealing device for a pressure fluid cylinder without piston rod
USRE33637E · kind E · reissue
3Cited by
9References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1987 |
| Grant date | Jul 16, 1991 |
| Priority date | — |
| Expiry date | Dec 2, 2007 |
Classification
- Technology area (CPC —)General
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.