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:
Feb. 25, 2014
Filed:
Feb. 23, 2011
David H. Kronengold, Tucson, AZ (US);
Allen C. Rasor, Jr., Marana, AZ (US);
Kevin L. Hansen, Tucson, AZ (US);
Ronald C. Grimes, Vail, AZ (US);
John M. Liska, Jr., Oracle, AZ (US);
David H. Kronengold, Tucson, AZ (US);
Allen C. Rasor, Jr., Marana, AZ (US);
Kevin L. Hansen, Tucson, AZ (US);
Ronald C. Grimes, Vail, AZ (US);
John M. Liska, Jr., Oracle, AZ (US);
Precision Shooting Equipment, Inc., Tucson, AZ (US);
Abstract
A bow energy transfer system includes a pair of helically wound springs positioned on the bowstrings on either side of the bowstring nock point; the springs are secured to the bowstring with a serving thread wound between the individual coils into contact with the bowstring. The springs flex perpendicular to their longitudinal axes during discharge of the bow causing energy to temporarily be stored in the flexed spring to be returned to the arrow or bolt later in its discharge.