The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 26, 2013

Filed:

Apr. 29, 2010
Applicants:

Daniel Puzio, Baltimore, MD (US);

Aris C. Cleanthous, Baltimore, MD (US);

Daniel L. Krout, Abingdon, MD (US);

Robert G. Kusmierski, York, PA (US);

Inventors:

Daniel Puzio, Baltimore, MD (US);

Aris C. Cleanthous, Baltimore, MD (US);

Daniel L. Krout, Abingdon, MD (US);

Robert G. Kusmierski, York, PA (US);

Assignee:

Black & Decker Inc., Newark, DE (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 31/10 (2006.01); B25F 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power tool having a housing, an electric motor disposed in the housing, and a spindle drivingly attached to the electric motor. The spindle includes a cavity adapted for receiving a bit therein and a window extending through the spindle in communication with the cavity. The power tool further has a retention device including a bit engaging member disposed within the housing and operable to extend through the window and retain a bit within the cavity. The power tool still further has an actuator operable by a user externally of the housing to disengage the bit engaging member from a bit received in the cavity and, finally, a mechanical interconnection system operably coupled between the actuator and the retention device to actuate the retention device in response to the actuator, wherein the mechanical interconnection is disposed within the housing.


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