The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2009
Filed:
Sep. 05, 2007
Michael Dorfman, Prairie View, IL (US);
George Szwaya, East Troy, WI (US);
Robert Szwaya, East Troy, WI (US);
Michael Dorfman, Prairie View, IL (US);
George Szwaya, East Troy, WI (US);
Robert Szwaya, East Troy, WI (US);
Trick Percussion Products, inc., Alington Heights, IL (US);
Abstract
A drum pedal assembly for connecting a first pedal to a support holding a beater arm may include a telescoping transmission shaft having yokes attached to shaft ends, yokes having bosses, universal joints rotatably attached to bosses and using trunnions, second yokes having bosses attached to universal joints using additional trunnions. The second yokes may rotatably attach a drive assembly rotatably attached to first pedal and an attachment arbor attached to beater arm to facilitate rotation of beater arm when first pedal is depressed. Configuration of assembly, including that of universal joints, may help reduce backlash or vibration in assembly.