Pre-stressed hockey shaft

Details Pre-stressed hockey shaft Pre-stressed hockey shaft

2006-05-24

2010-11-02

Graham, Mark S (Department: 3711)

Games using tangible projectile

Player held and powered, nonmechanical projector, per se,...

Club

Reexamination Certificate

active

07824283

ABSTRACT:
A hockey stick comprising a shaft portion and a blade portion, the shaft portion including means having preformed stresses to induce a flexural resistance at about mid-span so as to create in the shaft portion induced stresses which are neutralized as stresses are further induced in the shaft portion at impact on the blade portion to thereby provide a stiffer and more rigid shaft portion.

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