Chuck utilizing cam
AssigneeRyobi Motor Products Corp.
InventorJ. Timothy Stolzer
Life of this patent
Estimating the term…
Abstract
A chuck for securely holding a cutting tool while being rotated by a driving apparatus. The chuck includes a chuck body defining a tool bore into which the cutting tool may be inserted. A cam assembly is pivotally mounted to the chuck body and operably extends into the tool bore. An actuator cooperates with the chuck body and is positionable to operate the cam to secure or release the cutting tool, within the tool bore. In an alternative embodiment, a collet is used and the cam and actuator operate to secure or release the collet, and any cutting tool inserted into the collet, within the bore.
Claims20
A chuck for holding a tool having a shank while being rotated by a driving apparatus, the chuck comprising:
- a chuck body having an outer surface, a drive and for attaching the chuck body to the driving apparatus, and a tool end defining a tool bore into which the tool shank may be inserted, the tool bore having an inner surface;
- a cam pivotally mounted to the chuck body and having a cam surface operably extending to the tool bore;
- and
- a threaded actuator cooperating with the chuck body and rotatably positionable to operate the cam such that only the force of the cam surface against the tool shank will secure or release the tool within the tool bore.
A chuck for holding a tool within a collet while being rotated by a driving apparatus, the chuck comprising:
- a chuck body having an outer surface, a drive end for attaching the chuck body to the driving apparatus, and a tool end defining a collet bore into which the collet may be inserted, the collet bore having an inner surface;
- a cam pivotally mounted to the chuck body and having a cam surface operably extending to the collet bore;
- and
- a threaded actuator cooperating with the chuck body and rotatably positionable to operate the cam such that the force of the cam surface against the collet will secure or release the collet, and the tool inserted into the collet, within the collet bore.
A chuck for holding a tool having a shank which is attached to a driving apparatus, the chuck comprising:
- a chuck body defining a tool bore into which the tool shank may be inserted;
- a cam pivotally mounted to the chuck body and having a cam surface operably extending to the tool bore;
- and
- a threaded actuator cooperating with the chuck body and rotatably positionable to operate the cam such that only the force of the cam surface against the tool shank will secure or release the tool within the tool bore.
A chuck for holding a tool within a collet and which is attached to a driving apparatus, the chuck comprising:
- a chuck body defining a collet bore into which the collet may be inserted;
- a cam pivotally mounted to the chuck body and having a cam surface operably extending to the collet bore;
- and
- a threaded actuator cooperating with the chuck body and rotatably positionable to operate the cam such that the force of the cam surface against the collet will secure or release the collet, and the tool inserted into the collet, within the collet bore.
Dependencies are inferred from the claim text.