Patents by Inventor Gregory K. Griffin

Gregory K. Griffin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9492875
    Abstract: A bit retaining system for a rotary tool or device such as a router is disclosed. The bit retaining system may include a collet assembly and a control assembly. The collet assembly may include a spindle, a collet adapted to receive the bit, and a collet nut. The collet assembly may further include a collet gear mounted on the collet nut and/or a spindle gear mounted on the spindle. The control assembly selectively engages the collet assembly to drive the collet nut and/or secure the spindle in a fixed position, preventing its rotation. In operation, a hand tool is utilized to engage the control assembly. This configuration enables a user to capture and release the rotary tool bit using one hand.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: November 15, 2016
    Assignee: Black & Decker Inc.
    Inventors: Warren A. Ceroll, Gregory K. Griffin, Steven D. McDaniel, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher
  • Publication number: 20160228953
    Abstract: A bit retaining system for a rotary tool or device such as a router is disclosed. The bit retaining system may include a collet assembly and a control assembly. The collet assembly may include a spindle, a collet adapted to receive the bit, and a collet nut. The collet assembly may further include a collet gear mounted on the collet nut and/or a spindle gear mounted on the spindle. The control assembly selectively engages the collet assembly to drive the collet nut and/or secure the spindle in a fixed position, preventing its rotation. In operation, a hand tool is utilized to engage the control assembly. This configuration enables a user to capture and release the rotary tool bit using one hand.
    Type: Application
    Filed: December 28, 2015
    Publication date: August 11, 2016
    Inventors: Warren A. Ceroll, Gregory K. Griffin, Steven D. McDaniel, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher
  • Patent number: 9238270
    Abstract: A bit retaining system for a rotary tool or device such as a router is disclosed. The bit retaining system may include a collet assembly and a control assembly. The collet assembly may include a spindle, a collet adapted to receive the bit, and a collet nut. The collet assembly may further include a collet gear mounted on the collet nut and/or a spindle gear mounted on the spindle. The control assembly selectively engages the collet assembly to drive the collet nut and/or secure the spindle in a fixed position, preventing its rotation. In operation, a hand tool is utilized to engage the control assembly. This configuration enables a user to capture and release the rotary tool bit using one hand.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: January 19, 2016
    Assignee: BLACK & DECKER INC.
    Inventors: Warren A. Ceroll, Gregory K. Griffin, Steven D. McDaniel, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher
  • Publication number: 20140374998
    Abstract: A bit retaining system for a rotary tool or device such as a router is disclosed. The bit retaining system may include a collet assembly and a control assembly. The collet assembly may include a spindle, a collet adapted to receive the bit, and a collet nut. The collet assembly may further include a collet gear mounted on the collet nut and/or a spindle gear mounted on the spindle. The control assembly selectively engages the collet assembly to drive the collet nut and/or secure the spindle in a fixed position, preventing its rotation. In operation, a hand tool is utilized to engage the control assembly. This configuration enables a user to capture and release the rotary tool bit using one hand.
    Type: Application
    Filed: February 25, 2014
    Publication date: December 25, 2014
    Applicant: Black & Decker Inc.
    Inventors: Warren A. Ceroll, Gregory K. Griffin, Steven D. McDaniel, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher
  • Patent number: 8678725
    Abstract: A bit retaining system for a rotary tool or device such as a router is disclosed. The bit retaining system may include a collet assembly and a control assembly. The collet assembly may include a spindle, a collet adapted to receive the bit, and a collet nut. The collet assembly may further include a collet gear mounted on the collet nut and/or a spindle gear mounted on the spindle. The control assembly selectively engages the collet assembly to drive the collet nut and/or secure the spindle in a fixed position, preventing its rotation. In operation, a hand tool is utilized to engage the control assembly. This configuration enables a user to capture and release the rotary tool bit using one hand.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: March 25, 2014
    Assignee: Black & Decker Inc.
    Inventors: Warren A. Ceroll, Gregory K. Griffin, Steven D. McDaniel, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher
  • Publication number: 20100209207
    Abstract: A bit retaining system for a rotary tool or device such as a router is disclosed. The bit retaining system may include a collet assembly and a control assembly. The collet assembly may include a spindle, a collet adapted to receive the bit, and a collet nut. The collet assembly may further include a collet gear mounted on the collet nut and/or a spindle gear mounted on the spindle. The control assembly selectively engages the collet assembly to drive the collet nut and/or secure the spindle in a fixed position, preventing its rotation. In operation, a hand tool is utilized to engage the control assembly. This configuration enables a user to capture and release the rotary tool bit using one hand.
    Type: Application
    Filed: February 16, 2010
    Publication date: August 19, 2010
    Applicant: BLACK AND DECKER INC.
    Inventors: Warren A. Ceroll, Gregory K. Griffin, Steven D. McDaniel, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher
  • Patent number: D536942
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: February 20, 2007
    Assignee: Black & Decker Inc.
    Inventors: Betty L. Cooper, Ginger L. Allen, Gregory K. Griffin, Chad Hanson, Mark A. Etter
  • Patent number: D538122
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: March 13, 2007
    Assignee: Black & Decker Inc.
    Inventors: Mark A. Etter, Chad W. Hanson, Ginger L. Allen, Betty L. Cooper, R. Marcus Mansfield, Gregory K. Griffin
  • Patent number: D558017
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: December 25, 2007
    Assignee: Black & Decker Inc.
    Inventors: Betty L. Cooper, Ginger L. Allen, Gregory K. Griffin, Chad Hanson, Mark A. Etter