Air chuck
US5951023A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 28, 1998 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | May 28, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/1283
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An air chuck includes a central core having a central portion, an enlarged end flange at a first end, a sloped transition section between the central portion and the enlarged end flange and having an outer inclined surface at a first inclination angle of 20.degree., a sloped end section at the opposite end of the central portion and having an outer inclined surface at a second inclination angle of 20.degree., and an air passage connected with an external surface of the central section; a rubber air bladder mounted on the central core; a housing in surrounding relation to the central core and the bladder, and including a central section, one end engaging the end flange with the central section in radially spaced relation from the air bladder, an opposite end, and a plurality of through holes spaced along the central section; a plurality of outer and inner leaves positioned externally and internally of the housing, and being connected by connecting rods so that the leaves move radially outward in response to pressurization of the bladder; a first angled ring at the one end of the housing has a third inclination angle of 25.degree. in the same direction as the first inclination angle,…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.