Patent · US Expired

Air feed tube assembly for a pneumatic chuck

US4790699A · kind A · utility

17Cited by
0References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 20, 1987
Grant dateDec 13, 1988
Priority date
Expiry dateApr 20, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T409/309352
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rotary coaxial air feed tube assembly for a pneumatic chuck with one end of the assembly screw coupled to the chuck and the other end of the assembly being coupled to a rotary air feed joint, keying means being provided for coupling the feed tube assembly to a rotary drive spindle so as to impart a rotary drive to the assembly and to the chuck.

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