Patents by Inventor Michael Jay Shaffer

Michael Jay Shaffer 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).

  • Vibration dampening arrow retention spring
    Patent number: 8061339
    Abstract: A crossbow includes a body having a stock member and a barrel connected to the stock member. The barrel has an arrow receiving area for receiving an arrow. The crossbow also includes a bow having a pair of bow arms, a bowstring connected to the bow arms, a bowstring release mechanism used to hold and release the bowstring and, a scope mount used to hold a scope. An arrow retention spring is provided for retaining the arrow to the arrow receiving area. A vibration dampener may be positioned between the arrow retention spring and the scope mount in order to dampen the arrow retention spring vibrations made when shooting the crossbow. This greatly reduces unwanted noise.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: November 22, 2011
    Assignee: Hunter's Manufacturing Company, Inc.
    Inventor: Michael Jay Shaffer
  • Unloading Bolt
    Publication number: 20100031945
    Abstract: A device for allowing a crossbow to be released from a drawn position without damaging the crossbow. The device may comprise an elongated member having a substantially cylindrical shape that can be positioned on the upper surface of the barrel of a crossbow. The device may comprise a notched end shaped to receive the bowstring of the crossbow and allows the device to be projected by the bowstring upon actuation of the crossbow's trigger lever.
    Type: Application
    Filed: June 30, 2009
    Publication date: February 11, 2010
    Applicant: Hunter's Manufacturing Company, Inc., dba TenPoint Crossbow Technologies
    Inventors: Michael Jay Shaffer, Richard W. Gardner, Richard J. Bednar
  • Vibration Dampening Arrow Retention Spring
    Publication number: 20090178657
    Abstract: A crossbow includes a body having a stock member and a barrel connected to the stock member. The barrel has an arrow receiving area for receiving an arrow. The crossbow also includes a bow having a pair of bow arms, a bowstring connected to the bow arms, a bowstring release mechanism used to hold and release the bowstring and, a scope mount used to hold a scope. An arrow retention spring is provided for retaining the arrow to the arrow receiving area. A vibration dampener may be positioned between the arrow retention spring and the scope mount in order to dampen the arrow retention spring vibrations made when shooting the crossbow. This greatly reduces unwanted noise.
    Type: Application
    Filed: October 21, 2008
    Publication date: July 16, 2009
    Applicant: Hunter's Manufacturing Company, Inc., d/b/a TenPoint Crosssbow Technologies
    Inventor: Michael Jay Shaffer
  • Vibration dampening arrow retention spring
    Patent number: 7455059
    Abstract: A crossbow includes a body having a stock member and a barrel connected to the stock member. The barrel has an arrow receiving area for receiving an arrow. The crossbow also includes a bow having a pair of bow arms, a bowstring connected to the bow arms, a bowstring release mechanism used to hold and release the bowstring and, a scope mount used to hold a scope. An arrow retention spring is provided for retaining the arrow to the arrow receiving area. A vibration dampener may be positioned between the arrow retention spring and the scope mount in order to dampen the arrow retention spring vibrations made when shooting the crossbow. This greatly reduces unwanted noise.
    Type: Grant
    Filed: December 29, 2004
    Date of Patent: November 25, 2008
    Inventor: Michael Jay Shaffer