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:
Mar. 01, 1994
Filed:
Feb. 23, 1993
Applicant:
Inventors:
James L Easton, Los Angeles, CA (US);
Don S Rabska, Los Angeles, CA (US);
Assignee:
Easton Aluminum, Inc., Van Nuys, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B / ;
U.S. Cl.
CPC ...
273416 ;
Abstract
A plastic archery arrow nock (10) having a stiffener of light weight high strength material such as carbon composite therein permits fine tuning alteration of the dynamic spine of the arrow and reduces flexure of the nock relative to the arrow shaft (12) to prevent fatigue failure of the nock. The stiffened nock reduces the flex in the nock and the connection of the nock to the arrow shaft arrow shaft (12) as it is propelled forward by acceleration of the bowstring at the moment of release.