Patents by Inventor Charles Blashaw

Charles Blashaw 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).

  • Beater bracket and variable drive lever system with variable pivot point spring rotor for bass drum foot pedals
    Patent number: 8642868
    Abstract: Described is a bass drum foot pedal having a variable drive lever linkage with variable arc ratios connecting the foot pedal to a beater bracket. The beater bracket is formed with a mounting surface that tips a beater shaft forward to create a forward beater angle that maximizes the beater impact against a bass drum.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: February 4, 2014
    Assignee: Axis Percussion, Inc.
    Inventors: Charles Blashaw, Darrell Johnston
  • Beater bracket and variable drive lever system with variable pivot point spring rotor for bass drum foot pedals
    Patent number: 8455746
    Abstract: Described is a bass drum foot pedal having a variable drive lever linkage with variable arc ratios connecting the foot pedal to a beater bracket. The beater bracket is formed with a mounting surface that tips a beater shaft forward to create a forward beater angle that maximizes the beater impact against a bass drum.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: June 4, 2013
    Assignee: Axis Percussion, Inc.
    Inventors: Darrell Johnston, Charles Blashaw
  • BEATER BRACKET AND VARIABLE DRIVE LEVER SYSTEM WITH VARIABLE PIVOT POINT SPRING ROTOR FOR BASS DRUM FOOT PEDALS
    Publication number: 20120144976
    Abstract: Described is a bass drum foot pedal having a variable drive lever linkage with variable arc ratios connecting the foot pedal to a beater bracket. The beater bracket is formed with a mounting surface that tips a beater shaft forward to create a forward beater angle that maximizes the beater impact against a bass drum.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 14, 2012
    Inventors: Darrell Johnston, Charles Blashaw