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US 4,790,699 AGranted
Air feed tube assembly for a pneumatic chuck
AssigneeAmcor Limited
InventorMichael Ringel
Life of this patent
Estimating the term…
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.
Claims4
A rotary coaxial air feed tube assembly for a pneumatic chuck, comprising
- a first end of said assembly for screw coupling to a pneumatic chuck;
- a second end of said assembly for coupling to a rotary air feed joint;
- a first outer collar component to be secured to said drive spindle,
- a second and inner collar component to be secured to said tube assembly, and
- adjacent surfaces of said components provided with axially directed interengaging serrations,
- said collar components constituting a two piece annular collar and constituting keying means for coupling said feed tube assembly to a rotary drive spindle so as to impart a rotary drive to said assembly and said pneumatic chuck.
3 more elements
Dependencies are inferred from the claim text.