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US 5,209,472 AGranted
Racket with frame attachments
OwnerKuni Tsenginventor
Life of this patent
Estimating the term…
Abstract
A racket with frame attachments disposed on two diametrically opposite positions, each attachment comprises two rows of a plurality of stringing passages along both edges in respective inclined alignment to each other and a recess at the central space in the area between two rows of the stringing passages for fittingly enclosing the corresponding frame portion.
Claims6
A racket comprising:
- a handle;
- and
- a frame head including four removable attachments mounted on the frame head at 90.degree. intervals, the attachments being centered at the 0.degree., 90.degree., 180.degree. and 270.degree. positions, 0.degree. being the center of the attachment point of the handle to the frame head;
- the attachments having a U-shaped cross-section and comprising a central recessed surface and two thickened opposing lateral rims, the attachments being constructed to fit snugly on the corresponding portion of the frame head, and
- each attachment including two rows of stringing means to secure the strings of the racket, one row on each lateral rim, the rows being offset so that a line between one of the stringing means in a first row and a corresponding stringing means in a second row is not normal to the horizontal plane of the racket. and
- the frame head having only one row of stringing means in those areas not covered by the attachments.
3 more elements
The racket of claim 9 wherein:
- recesses in the frame head are provided for the attachments so that the attachments do not extend above the upper and lower surfaces of the frame head.
Dependencies are inferred from the claim text.