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United States Patent 3,865,290
Sperling February 11, 1975

TENNIS BALL HOLDER

Abstract

A tennis ball holder is comprised of a lightweight, vacuum-formed, concave plastic shell having a plurality of fingers which grip the ball to retain the ball within the shell. The rear wall of the shell is generally flat and contains a keyhole. In use, the holder is placed with its rear wall against the outside of the player's clothing at a convenient place. Then a flat plate is positioned underneath the clothing opposite the holder. The plate has a key arranged to project into the keyhole along with the fabric and lock there so as to securely anchor the holder and the ball contained therein to the player's clothing, freeing his hands for play.


Inventors: Sperling; Charles A. (Wayland, MA)
Assignee: Cross Newform Plastics Co., Inc. (Worcester, MA)
Appl. No.: 05/404,030
Filed: October 5, 1973


Current U.S. Class: 224/194 ; 224/247; 224/919; 24/459; 24/532; 24/561
Current International Class: A63B 47/00 (20060101); A45f 005/00 ()
Field of Search: 224/5D,26R,26B 24/3F,3R,248R,248FS,248GC,248HE,248PC,248SL,9C,245R,245B,245FF 264/92

References Cited

U.S. Patent Documents
1076675 October 1913 Jennings
1814887 July 1931 Bender
3392729 July 1968 Lenoir
3703572 November 1972 Bellasalma
Primary Examiner: Tollberg; Stanley H.
Assistant Examiner: Rolla; Joseph J.
Attorney, Agent or Firm: Cecari and McKenna

Claims



I claim:

1. A ball holder comprising

A. a hollow shell

1. having a concave face arranged to resiliently receive and engage a ball,

2. being formed with a plurality of hollow, resilient fingers distributed about and projecting out from the concave face of the shell, and

3. being formed with at least two thin-walled webs stretching between at least three adjacent shell fingers, and having a generally flat rear wall,

B. means defining a keyhole in the rear wall, and

C. a flat plate arranged to be positioned flush against the rear wall, said plate constituting a key arranged to engage in the keyhole when the plate is placed flush against the rear wall so that the shell and plate can be locked together on opposite sides of a player's clothing to anchor the holder to the clothing.

2. The holder defined in claim 1 wherein the shell is a hollow, vacuum-formed plastic piece.

3. The holder defined in claim 1 wherein the plate is comprised of a key shaped so that it mates with and projects into the keyhole when the plate is oriented at a selected angle relative to the shell, said key becoming locked in the keyhole when the plate is oriented at a different angle relative to the shell.

4. The holder defined in claim 3 wherein the key is comprised of one or more tabs formed by slits in the plate, said tabs being deflectable out of general plane of the plate.

5. The holder defined in claim 3 wherein the plate is flexible and resilient so that, when bowed, its edges can be inserted into the keyhole and, when released, its edges become locked in the keyhole.
Description



BACKGROUND OF THE INVENTION

This invention relates to a tennis ball holder. It relates more particularly to a ball holder which can be removably attached to the player's clothing.

Ball holders of this general type are not new. Typical ones are shown, for example, in U.S. Pat. Nos. 2,548,330, 2,661,129 and 3,497,118. Invariably, these holders are designed to be attached to the player's belt. Therefore, some men, and most women, whose playing uniform does not normally include a belt or pockets cannot use these prior holders and must hold the balls in their hands.

Some conventional ball holders are disadvantaged also because they are relatively bulky and heavy, being molded with relatively thick walls. Consequently, they flop about and tend to distract the player's attention from the game. Other prior holders do not retain the ball as securely as they might, with the result that the movements of the player tend to dislodge the ball from the holder, thereby interrupting the game.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a ball holder which can be removably attached to the player's outside clothing.

Another object of the invention is to provide a ball holder which is very lightweight so that it does not discomfort or distract the player wearing it.

A further object of the invention is to provide a holder of this general type which very securely retains the balls despite very sudden movements of the player during the game.

Yet another object of the invention is to provide a ball holder which can be securely anchored to the player's clothing.

Another object of the invention is to provide a ball holder of this type which is very inexpensive to make.

Other objects will in part be obvious and will in part appear hereinafter.

The invention accordingly comprises the features of construction, combination of elements and arrangement of parts which will be exemplified in the following detailed description, and the scope of the invention will be indicated in the claims.

In general, the subject ball holder is comprised of a very lightweight, vacuum-formed shell. The front face of the shell is concave to accommodate the curvature of a tennis ball and a plurality of fingers disposed around the concave face project out from the face and resiliently grip the ball when it is in the holder. The shell also has thin-walled webs extending between at least three of the aforesaid fingers. The webs which will be described in more detail later firmly grip the ball, thereby preventing the ball from being dislodged even though the holder is shaken violently by the wearer.

The rear wall of the ball holder is generally flat and contains a keyhole. A separate flat plate coacts with the shell to anchor the holders to the player's clothing. The plate forms a key which is inserted into the keyhole in the shell when the plate is placed flush against the rear wall of the shell and oriented at a selected angle relative to the shell. However, when the plate is rotated to another angle relative to the shell, the key becomes locked in the keyhole, thereby securing the plate to the shell.

In use, the shell is placed with its flat rear wall against the outside of the player's clothing at an appropriate place. A suitable location is on the back hip on the side opposite the serving hand. Then the plate is slid under the clothing and positioned opposite the shell. The plate is oriented relative to the shell so that the key, along with the overlying clothing fabric, can be pressed into the keyhole. Thereupon, the plate is rotated relative to the shell to lock the plate to the shell on opposite sides of the fabric. This securely anchors the holder to the player's clothing whereupon a tennis ball can be press-fit into the shell between its fingers. The resilient fingers and connecting webs grip the ball and prevent its dislodgement despite very violent movements of the player during play.

Since the holder is vacuum-formed from very lightweight plastic, it is hollow and can have very thin walls. For the same reason, it can be manufactured very inexpensively with a minumum amount of plastic resin. Thus, its weight is not sufficient enough to annoy the player. Also, the part of the holder contacting the player's body has a flat, smooth surface. Consequently, it causes no discomfort to the player.

While we are describing a holder for a single tennis ball, it should be understood that the holder can be shaped and arranged as desired to accommodate more than one tennis ball or to retain one or more spheres of a different size such as golf balls, squash balls or the like.

BRIEF DESCRIPTION OF THE DRAWING

For a fuller understanding of the nature and objects of the invention, reference should be had to the following detailed description taken in connection with the accompanying drawing, in which:

FIG. 1 is a perspective view of a ball holder made in accordance with this invention being worn by a tennis player;

FIG. 2 is a similar view on a much larger scale showing the ball holder in great detail;

FIG. 3 is an exploded perspective view on a slightly reduced scale showing the shell and plate portions of the ball holder separately; and

FIG. 4 is a sectional view showing the shell and plate in their locked condition when in use.

DESCRIPTION OF THE PREFERRED EMBODIMENT

Turning now to FIG. 1 of the drawing, the subject ball holder indicated generally at 10 is shown affixed to a player's tunic 12. The holder is arranged to retain a single tennis ball, thereby freeing both of the player's hands to play with the other ball of the set of two balls which is customarily used.

Turning now to FIGS. 2 and 3, the holder 10 is comprised of a hollow, generally conical shell 16. The shell is vacuum-formed of a suitable lightweight plastic such as high impact polystyrene. Thus, its walls can be thin while still being quite stiff. The front face 22 of shell 16 is concave with its radius of curvature being comparable to that of ball 14. Shell 16 is also formed with three hollow fingers 24 distributed around face 22. Fingers 24 project out beyond face 22 and their interior sidewalls are curved in conformance with the curvature of face 22 and ball 14. Fingers 24 are quite resilient so that they grip the ball 14 when it is press-fit into shell 16.

Still referring to FIGS. 2 and 3, desirably also shell 16 is formed with two thin-walled webs 28 stretching between the three fingers 24. These webs are angled in slightly toward the center of face 22 and they have relatively sharp edges 28a which engage and grip ball 14 when it is placed in the holder. The fingers 24 and the webs 28 suffice to retain the ball within the holder even though the holder is shaken rather violently as the player maneuvers on the court. The web is omitted between two of the fingers leaving an opening at 29 so that the player can inseet his finger into the holder through the opening to pry the ball 14 loose when the ball is needed.

As alluded to previously, there are definite advantages in terms of cost and ease of manufacture of making shell 16 by a vacuum-forming process. However, this places certain constraints on the shape of the shell. More particularly, in order to be able to remove the finished shell from the vacuum forming mold, the inner and outer surfaces of the shell and particularly its fingers 24 must diverge from front to back. This means that the inner surfaces of the fingers 24 must splay apart. This constraint id directly contrary to the condition that should prevail in order to securely retain a ball in the holder. While the lateral curvature of the fingers does serve to compensate somewhat for the divergent fingers by providing side edges on the fingers to grip the ball, it is the webs 28 with their convergent sharp gripping edges 28a which coact with the fingers to securely retain the ball in the holder.

Referring particularly to FIGS. 3 and 4, the rear edge portion of shell 16 flares out beyond the shell forming a flange 32 around the perimeter of the shell. A flat, circular plastic piece is secured to flange 32 by a suitable adhesive cement forming a rear wall 34 on the shell. Also, wall 34 is formed with a relatively large, shaped opening 36 which functions as a keyhole as will be described presently in more detail. The keyhole opening 36 has a generally circular portion 36a coaxial with the shell's axis of symmetry. The opening also has two generally semicircular lobes 36b disposed on opposite sides of, and contiguous with, opening portion 36a. This keyhole opening is arranged to receive a key formed on the flexible, resilient plate 18.

This key consists of a pair of generally semicircular tabs 38 which are positioned on opposite sides of the plate center relatively near the perimeter of the plate. Tabs 38 are formed by slitting the plate arcuately and displacing the slitted portions from the plane of the plate. The tabs 38 are sized to be received in the opening lobes 36b when the plate 18 is placed flush against the shell wall 34 and oriented to aLign the tabs with the lobes. When the align is rotated relative to the shell, the tabs 38 engage behind wall 34 inside the shell, thereby locking the plate to the shell.

Turning now to FIG. 4, in use, the shell is positioned with its rear wall 34 facing the player's clothing as shown in FIG. 1. Then the plate 18 is slid underneath the clothing until it is positioned opposite the shell. Next, the tabs 38 are aligned with the opening lobes 36a and pressed into the opening 36 along with the clothing fabric as shown in FIG. 4. Then the plate 18 is rotated relative to the shell, thereby locking the tabs in place behind the rear wall 34. The shell is now firmly anchored to the tunic 12 and the ball 14 press-fit into the shell as shown in FIG. 1 will be retained there until needed by the player.

The holder is easily removed simply by rotating the plate 18 relative to the shell until the tabs align with the opening lobes 36b. The shell becomes disengaged from the plate and the two parts can be removed from the tunic and stored until needed again.

In an alternate construction, the key an keyway may be shaped and arranged so that when the key is bowed, a portion of it can be inserted into the keyway. Then when the key is released, it resumes its original form so that its edges engage behind the rear wall 34 locking the key to the holder. For example, the plate 18 can be square or rectangular and the keyway opening 36 can be rectangular or circular or some other shape, making the plate sightly longer in one dimension than the opening. To release the plate from the holder, it is pulled outward at its midpoint so that it bows enough to retract its edges from the opening. A flat flexible and resilient key such as this engaged in opening 36 is indicated in dotted lines at 50 in FIG. 3.

In all cases, if the holder is pulled outward from the tunic 12, the plate becomes more securely locked to the holder because the fabric pressed the plate more tightly against the inside of rear wall 34.

The subject holder can be molded in a variety of colors by a simple vacuum-forming technique which minimizes manufacturing costs and renders the holder quite strong and resilient, yet very lightweight.

It will thus be seen that the objects set forth above, among those made apparent from the preceding description, are efficiently attained and, since certain changes may be made in the above construction without departing form the scope of the invention, it is intended that all matter contained in the above description or shown in the accompanying drawing be interpreted as illustrative and not in a limiting sense.

It is also to be understood that the following claims are intended to cover all of the generic and specific features of the invention herein described .

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