Patents by Inventor Roger C. Blahnik

Roger C. Blahnik 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).

  • Cam Adjustment Mechanism for Compound Bow
    Publication number: 20150184974
    Abstract: A cam adjustment mechanism is provided for both single and dual cam bows which enables excess cable length to be removed to re-sync the cams to restore performance of a bow which has experienced degradation due to unequal cable elongation. The cam adjustment mechanism can also be used to tune the bow to the archer's preferred characteristics.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 2, 2015
    Inventor: Roger C. Blahnik
  • Dual cam system with cross-cabling
    Patent number: 8156928
    Abstract: The power cables of a compound bow are cross cabled to ensure the dual cams rotate at the same rate and complete their rotations simultaneously, i.e., are synchronous. Three separate embodiments, each capable of achieving the desired objective, are disclosed.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: April 17, 2012
    Inventor: Roger C. Blahnik
  • Compound bow with adjustable let-off
    Patent number: 7059315
    Abstract: A compound bow includes a cam configuration permitting the force line of the harness cable to effectively act through a portion of the axle pin. This permits, in this bow design, 100% let-off. An adjustable bushing or a modular cam portion enables the archer to adjust the let-off in a range of between 85% and 99+%. Single and double cam bows are disclosed.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: June 13, 2006
    Inventor: Roger C. Blahnik
  • Compound bow with adjustable let-off
    Publication number: 20040003806
    Abstract: A compound bow includes a cam configuration permitting the force line of the harness cable to effectively act through a portion of the axle pin. This permits, in this bow design, 100% let-off. An adjustable bushing or a modular cam portion enables the archer to adjust the let-off in a range of between 85% and 99+%. Single and double cam bows are disclosed.
    Type: Application
    Filed: July 2, 2002
    Publication date: January 8, 2004
    Inventor: Roger C. Blahnik