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US 8,459,659 B2Granted
Hybrid lathe chuck
AssigneeIllinois Tool Works Inc.
InventorsMadhav S. Puppala, Thomas M. Grobbel
Life of this patent
Estimating the term…
Abstract
A system, in certain embodiments, includes a cutting tool, a drive, and a chuck rotatable by the drive. The chuck includes a body having a core disposed in a shell, wherein the shell is made of a metal and the core is made of a composite material. The chuck also includes a set of jaws coupled to the body, wherein the jaws are configured to hold a work piece adjacent the cutting tool.
Claims22
A system, comprising:
- a cutting tool;
- a drive;
- a workpiece chuck rotatable by the drive, wherein the workpiece chuck comprises:
- a body comprising a core disposed in a protective shell, wherein the core comprises a non-metallic material, and the protective shell comprises a metal;
- and
- a plurality of joint assemblies separately supported in the core of the body, wherein each joint assembly comprises a mount post and a ball joint;
- and
- a plurality of jaws each coupled to one of the plurality of joint assemblies, wherein the jaws are configured to hold a work piece adjacent the cutting tool, wherein each mount post of the plurality of joint assemblies is coupled to one of the plurality of jaws, and each ball joint of the plurality of joint assemblies is coupled to a common actuator.
5 more elements
A system, comprising:
- a cutting tool;
- a drive;
- a workpiece chuck rotatable by the drive, wherein the workpiece chuck comprises:
- a body comprising a core disposed in a protective shell, wherein the core is made of a composite material having a plurality of a reinforcing material coupled together by a matrix material, the protective shell is made of a metal, the protective shell has a side wall and an end wall, the side wall extends about an outer side wall of the core, the end wall extend along an axial end wall of the core, and the end wall comprises a plurality of separate openings;
- and
- a plurality of joint assemblies separately supported in the core of the body, wherein each joint assembly of the plurality of joint assemblies extends through one of the plurality of separate openings in the end wall of the protective shell;
- and
- a plurality of jaws each coupled to one of the plurality of joint assemblies, wherein the jaws are configured to hold a work piece adjacent the cutting tool.
5 more elements
A system, comprising:
- a cutting tool;
- a drive;
- a workpiece chuck rotatable by the drive, wherein the workpiece chuck comprises:
- a body comprising a core disposed in a protective shell, wherein the core is made of a composite material having a plurality of a reinforcing material coupled together by a matrix material, the protective shell is made of a metal, the protective shell has a side wall and an end wall, the side wall at least substantially covers an outer side wall of the core, the end wall extend along an axial end wall of the core, and the end wall comprises a plurality of separate openings;
- a plurality of joint assemblies separately supported in the core of the body, wherein each joint assembly of the plurality of joint assemblies extends through one of the plurality of separate openings in the end wall of the protective shell;
- and
- a common actuator coupled to the plurality of joint assemblies;
- and
- a plurality of jaws each coupled to one of the plurality of joint assemblies, wherein the jaws are configured to hold a work piece adjacent the cutting tool, wherein the common actuator is configured to move the plurality of jaws in a radial direction.
6 more elements
A system, comprising:
- a cutting tool;
- a drive;
- a workpiece chuck rotatable by the drive, wherein the workpiece chuck comprises:
- a body comprising a core disposed in a protective shell, wherein the core comprises a non-metallic material, and the protective shell comprises a metal, and wherein the protective shell comprises a side wall and an end wall, the side wall extends about an outer side wall of the core, the end wall extends along an axial end wall of the core, and the end wall comprises a plurality of separate openings;
- and
- a plurality of joint assemblies separately supported in the core of the body, wherein each joint assembly extends through one of the plurality of separate openings of the end wall of the protective shell;
- and
- a plurality of jaws each coupled to one of the plurality of joint assemblies, wherein the jaws are configured to hold a work piece adjacent the cutting tool.
5 more elements
Dependencies are inferred from the claim text.