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US 5,458,345 AGranted
Tool-holder chuck for equipping a rotating machine, such as a drill
AssigneeEtablissements Amoyt S.A.
InventorClaude V. L. Amyot
Life of this patent
Estimating the term…
Abstract
In this chuck, the body is equipped, in its zone overlapped by the sleeve, with peripheral toothing, whereas the sleeve includes a shaped locking member which, intended to be engaged in the toothing of the body in the tightened position of the chuck, is actuated by a ring mounted so that it can pivot on the front end of the body of the chuck.
Claims9
A tool-holder chuck for a rotating machine, comprising:
- a body fixable to a driveshaft of the machine and having front and rear portions, the body having a plurality of bores formed therein and peripheral toothing formed thereon;
- a plurality of jaws slidably mounted in the bores and converging toward the front portion, wherein each jaw has a screw-threaded outer portion;
- an immobilizing ring secured to the rear portion;
- a nut in mesh with the screw-threaded outer portions of the jaws;
- a ring pivotably mounted to the front portion;
- and
- a sleeve pivotably mounted on the body, the sleeve having an internal wall secured to the nut and a locking member, the locking member being actuated by pivotal movement of the ring mounted to the front portion, wherein the locking member is engaged with the peripheral toothing of the body when the chuck is in a tightened position.
4 more elements
Dependencies are inferred from the claim text.