US4049269A — Rackets — Luxuse Patents

Claim 1

Independent Claim 330 words

A games racket comprising a handle intended to be held in the hand, and carrying a head having an open marginal frame defining a central opening, across which extends tensioned stringing carried by the head, the stringing being composed of a first group of generally parallel string portions, and a second group of generally parallel string portions extending generally perpendicular to, and interwoven with, the string portions of the first group, the thickness of the frame in a direction generally normal to the plane of the stringing being substantially greater than the thickness of the stringing, the frame including a structural marginal frame part defining the central opening, and a separate flexible but substantially incompressible, elongate member having an upper portion and a lower portion and formed from a relatively hard synthetic plastics material, extending substantially continuously, at least from one side of the handle, around the outer peripheral surface of said frame part to the other side of the handle, and overlying said outer peripheral surface, said frame part and said lower portion of the elongate member having at least one interfitting projection and recess, said elongate member being formed with a plurality of stringing-receiving apertures distributed around a major proportion of the peripheral extent of the frame, said apertures being spaced from the outer periphery of said upper portion of the elongate member, and extending continuously between and opening into, opposite side surfaces of said elongate member which are spaced apart in said direction, said elongate member, in the zones thereof provided with said apertures, having a thickness in said direction approximating the thickness of said frame part, and at least the outer peripheral surface of said upper portion of the elongate member, over substantially its entire length, being relatively smooth, uninterrupted, and devoid of projections, said tensioned stringing carried by the head passing through said apertures, and being disposed in two generally parallel planes separated by a distance approximating the thickness of the frame in said direction.

Claim 2

Dependent Claim 330 words

A games racket comprising a handle intended to be held in the hand, and carrying a head having an open marginal frame defining a central opening, across which extends tensioned stringing carried by the head, the stringing being composed of a first group of generally parallel string portions, and a second group of generally parallel string portions extending generally perpendicular to, and interwoven with, the string portions of the first group, the thickness of the frame in a direction generally normal to the plane of the stringing being substantially greater than the thickness of the stringing, the frame including a structural marginal frame part defining the central opening, and a separate flexible but substantially incompressible, elongate member having an upper portion and a lower portion and formed from a relatively hard synthetic plastics material, extending substantially continuously, at least from one side of the handle, around the outer peripheral surface of said frame part to the other side of the handle, and overlying said outer peripheral surface, said frame part and said lower portion of the elongate member having at least one interfitting projection and recess, said elongate member being formed with a plurality of stringing-receiving apertures distributed around a major proportion of the peripheral extent of the frame, said apertures being spaced from the outer periphery of said upper portion of the elongate member, and extending continuously between and opening into, opposite side surfaces of said elongate member which are spaced apart in said direction, said elongate member, in the zones thereof provided with said apertures, having a thickness in said direction approximating the thickness of said frame part, and at least the outer peripheral surface of said upper portion of the elongate member, over substantially its entire length, being relatively smooth, uninterrupted, and devoid of projections, said tensioned stringing carried by the head passing through said apertures, and being disposed in two generally parallel planes separated by a distance approximating the thickness of the frame in said direction.

Claim 3

Dependent Claim 44 words

A racket as claimed in claim 1, wherein the interfitting projection and recess are of interlocking dovetail configuration, said recess being formed around said frame part in the outer peripheral surface thereof, and said at least one separate member being formed with said projection.

Claim 4

Dependent Claim 68 words

A racket as claimed in claim 1, wherein said elongate strip extends continuously around the outer peripheral surface of the frame part and at least part way along the handle, wherein the frame part is substantially devoid of stringing-receiving apertures, wherein the strip is of generally uniform cross-sectional profile throughout substantially its entire length, and wherein the stringing lies closely adjacent the opposite side surfaces of the frame.

Claim 5

Dependent Claim 32 words

A racket as claimed in claim 1, wherein the height of the opposite side surfaces of each said frame part approximate the height of the opposite side surfaces of said elongate strip.

Claim 6

Dependent Claim 27 words

A racket as claimed in claim 1, wherein said relatively hard synthetic plastics material is selected from the group consisting of toughened Nylon and acetyl butadiene styrene.

Claim 7

Dependent Claim 27 words

A racket as claimed in claim 5, wherein the axes of said stringing-receiving apertures are mutually generally parallel, and generally perpendicular to the planes of the stringing.

Claim 8

Dependent Claim 62 words

A racket as claimed in claim 1, wherein the frame is formed from an extruded aluminium strip of generally "H" or "dumb-bell" cross section, and wherein, at the juncture of the frame and handle, there is secured a separate throat piece forming a continuation of the side surfaces of the frame, the throat piece being moulded from a relatively hard plastics material.

Claim 9

Dependent Claim 50 words

A racket as claimed in claim 1, provided with a tubular steel frame, and wherein, at the juncture of the frame and handle, there is secured a separate throat piece forming a continuation of the side surfaces of the frame, the throat piece being moulded from a hard plastics material.

Claim 10

Dependent Claim 78 words

A racket as claimed in claim 1, wherein the axes of said stringing-receiving apertures are generally parallel to the axes of adjacent apertures, and wherein said axes are inclined relative to the planes of the stringing, whereby the first and second groups of string portions in one of said generally parallel planes extend in directions parallel to the directions of the string portions in the first and second groups, respectively, in the other of said generally parallel planes.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1980-09-19	1981-03-21	1981-09-20	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1984-09-19	1985-03-21	1985-09-20	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1988-09-19	1989-03-21	1989-09-20	$7700.00	Window Closed / Lapsed

Rackets

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag