Clamping structure for a handled tool
AssigneeShandong Weida Machinery Co., Ltd.
InventorsZexin Zhou, Guijie Li
Life of this patent
Estimating the term…
Abstract
A clamping structure for a handled tool including: (1) a chuck body, provided with gear teeth, ratchet and guiding holes, (2) a plurality of grippers, mounted in the guiding holes of the chuck body and having partial thread on one end; (3) an inner gear ring, (4) a control outer sleeve, having a plurality of control keys and a plurality of driving keys thereon, (5) a driving member having inner taper thread and a plurality of pinions thereon, wherein the inner taper thread engages with the threads of the grippers, and wherein the pinions, mounted to the driving member through pin shafts, engage with both the inner gear ring and the gear teeth of the chuck body, (6) a plurality of resilient anti-loose members with pawl.
Claims34
A clamping structure for a handled tool, mounted to a driving spindle driven by a power source and comprising:
- a chuck body connected at its rear end with the driving spindle, having an accommodating space therein for clamping the tool handle, and having a plurality of guiding holes provided equally on a cone coaxial of the chuck body;
- a plurality of grippers connected with the chuck body, mounted in the guiding holes of the chuck body, and having the rear end with partial thread and the front end used for clamping the tool handle;
- a driving member mounted around the chuck body and having inner thread for mating with the partial thread of the gripper;
- and a control outer sleeve, characterized in that further comprising:
- a center gear fixedly mounted to the chuck body;
- an inner gear ring mounted coaxially with the chuck body, connected with the control outer sleeve, and having inner gear teeth thereon;
- and at least one pinion mounted to the driving member through a pin shaft and engaging with the inner gear ring and the center gear, respectively.
Dependencies are inferred from the claim text.