Fluid operated device
US5228156A · kind A · utility
103Cited by
15References
4Claims
0Family size
Inventor
Key dates
| Filing date | Aug 3, 1992 |
| Grant date | Jul 20, 1993 |
| Priority date | — |
| Expiry date | Aug 3, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C27/085
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A fluid operated device comprises a casing having an enclosing wall which is rigid at least in part to maintain a volume of said casing; a squeeze unit securely provided in said casing and having a squeezable wall confining a space; a fluid operating chamber formed in said casing around said squeezable wall to receive a first fluid which pressurizes said squeezable wall to perform a squeezing action; said enclosing wall further having at least one opening communicated with said space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.