Self-tightening chuck with a radial lock

US9403218B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9403218-B2
Application numberUS-201414295852-A
CountryUS
Kind codeB2
Filing dateJun 4, 2014
Priority dateJul 29, 2009
Publication dateAug 2, 2016
Grant dateAug 2, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

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.

First claim

Opening claim text (preview).

What is claimed is: 1. A drill chuck for use with a powered driver, comprising: a spindle portion including a pusher bore on a first end, a spindle bore on a second end, and an annular array of teeth disposed about its outer surface; a body rotatably disposed about the spindle portion, the body including a central bore for receiving the spindle portion, and a pawl including an engagement end, the pawl being pivotably mounted to the body, the pawl being configured to selectively…

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Frequently asked questions

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What does patent US9403218B2 cover?
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…
Who is the assignee on this patent?
Apex Brands Inc
What technology area does this patent fall under?
Primary CPC classification B23B31/1253. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Aug 02 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).