Hollow filled composite racket shaft with restricted intermediat

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

273735, A63B 4902

Patent

active

051636794

ABSTRACT:
A composite racket frame includes a shaft constituted by a shell and a foamed core and having a portion of smallest cross-section substantially at an intermediate portion thereof relative to any other portion, the dimension of the cross-section of the portion being restricted only in a direction substantially perpendicular to the plane of the string web. The shaft further having two stepped width-increasing portions respectively extending from the smallest portion toward the throat section and the end of the shaft. The grip member of the shaft extends at least partly over the smallest cross-section portion, and the stepped width-increasing portions are stepped both on the outside and on the inside of the shell of the shaft.

REFERENCES:
patent: 1539029 (1924-10-01), Surridge
patent: 4549736 (1985-10-01), Lotfy
patent: 4565371 (1986-01-01), Pawlicki et al.
World Tennis Magazine; "Racket Reviews", Nov. 1985, pp. 34-37.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Hollow filled composite racket shaft with restricted intermediat does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hollow filled composite racket shaft with restricted intermediat, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hollow filled composite racket shaft with restricted intermediat will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1166595

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.