Invention Grant
- Patent Title: Self-tightening chuck with a radial lock
- Patent Title (中): 自紧式卡盘带径向锁
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Application No.: US14295852Application Date: 2014-06-04
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Publication No.: US09403218B2Publication Date: 2016-08-02
- Inventor: Theodore G. Yaksich
- Applicant: Apex Brands, Inc.
- Applicant Address: US MD Sparks
- Assignee: Apex Brands, Inc.
- Current Assignee: Apex Brands, Inc.
- Current Assignee Address: US MD Sparks
- Agency: Nelson Mullins Riley & Scarborough, LLP
- Main IPC: B23B31/12
- IPC: B23B31/12

Abstract:
A drill chuck including a spindle portion with a pusher bore, a spindle bore, an annular array of teeth, and an annular groove defined by the outer surface of the first end. A body is rotatably disposed about the spindle portion and includes a central bore, an annular groove defined by the central bore, and a pawl pivotably mounted to the body for selectively engaging the annular array of teeth. A jaw pusher includes a threaded post and a head, the threaded post being disposed in the pusher bore and configured for axial motion. A jaw guide is disposed on the first end of the body and includes a plurality of jaw slots. A plurality of jaws is slidably received in the corresponding jaw slots and slidably received by the head of the jaw pusher. A plurality of bearing balls is received between the annular groove of the spindle portion and the annular groove of the body. The annular groove of the spindle portion and the annular groove of the body form a continuous pair of bearing races for the plurality of bearing balls.
Public/Granted literature
- US20140284887A1 SELF-TIGHTENING CHUCK WITH A RADIAL LOCK Public/Granted day:2014-09-25
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