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US 3,934,876 AGranted
Game racket
AssigneeNorman S. Blodgett
InventorDaniel G. Haddad
Life of this patent
Estimating the term…
Abstract
Game racket having a rigid open cellular network defining the contact surface rather than the conventional stringing, the network and a frame being cast as a single unit and a resilient cylindrical grip being forced over a handle of rectangular cross section and the network consisting of plates whose greatest thickness is less than the width and length.
Claims8
A game racket, comprising:
- a rigid, one-piece, homogenous frame having a curvilinear head portion, an intermediate throat and shank portion, and a handle portion integral with said head portion;
- said head, throat, shank, and handle portions having a solid cross-section;
- at least said head, throat and shank portions consisting of an entirely open-celled network of a plurality of interconnected plates traversing the entire area thereof and forming a honeycomb-like matrix;
- each of said plates having walls which are perpendicular to the plane of said racket and constituting the width dimension thereof;
- each of said plates having planar upper and lower surfaces parallel to the central plane of said racket, said planar surfaces being exposed at least at said head, throat and shank portions and constituting two ball contact surfaces of said head portion, the planar surfaces of each of said plates constituting the length dimension thereof;
- said width dimension being approximately equal to said length dimension;
- each plate further having a nonuniform thickness with one location of greatest thickness wherein said greatest thickness is less than each of said width and length dimensions and being oriented parallel to said contact surfaces of said racket;
- and hand grip means covering said handle portion to provide a gripping surface for the user.
5 more elements
Dependencies are inferred from the claim text.