Patents by Inventor Chappel W. Crawford

Chappel W. Crawford 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).

  • Wrench extension device
    Patent number: 9440338
    Abstract: A wrench extension device laterally offsets connection between a socket and a driving tool to facilitate rotation of the socket in tight spaces. The device includes an elongated housing and a first gear rotatably coupled to the housing proximate a first end of the housing. A socket drive is coupled to the first gear for coupling to a socket rotated by the first gear. A second gear is rotatably coupled to the housing proximate a second end of the housing. A receiver extends into the second gear for being engaged by a driving tool wherein the second gear is rotatable by the driving tool. A chain is positioned in the housing engaging the first gear and the second gear wherein rotation of the second gear rotates the first gear.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: September 13, 2016
    Inventor: Chappel W. Crawford
  • Wrench Extension Device
    Publication number: 20150258668
    Abstract: A wrench extension device laterally offsets connection between a socket and a driving tool to facilitate rotation of the socket in tight spaces. The device includes an elongated housing and a first gear rotatably coupled to the housing proximate a first end of the housing. A socket drive is coupled to the first gear for coupling to a socket rotated by the first gear. A second gear is rotatably coupled to the housing proximate a second end of the housing. A receiver extends into the second gear for being engaged by a driving tool wherein the second gear is rotatable by the driving tool. A chain is positioned in the housing engaging the first gear and the second gear wherein rotation of the second gear rotates the first gear.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 17, 2015
    Inventor: Chappel W. Crawford