US716245A - Golf-ball. - Google Patents

Description

No. '$716,245. Patented Dec. la, |902.

4 E. KEMPSHALL.

GULF BALL.

\Application filed Apr. 2. 1902.)

UNITED STATES 'L FFICE ELEAZER KEMPSHALL, OF BOSTON, MASSACHUSETTS.

SPECIFICATION forming part `of Letters Patent No. 716,245, dated December 16, 1902.

4 Application filed April 2, 1902. `Serial No. 101,067. (No model.)

To @ZZ whom it' may concern:

Be it known that I, ELEAZER KEMPSHALL, a citizen of the United States, residing in Boston, in the county of Suffolk and State of Mas-` sachusetts, have invented certain new and useful Improvements in Golf-Balls, of which the following is a specication.

This invention relates to playing-balls, especially those used in the game of golf; and its object is to produce at low cost a ball which is well adapted to all the requirements of the game. l

In the drawings forming part of this specification, Figure lis a view, partly in section, of a ball made in accordance with my present improvements, the dies in which the ball is nished being indicated in dotted lines. Fig. 2 is a sectional View showing the parts of the ball assembled in the dies before the operation of the latter.

Similar parts in the drawings are indicated by similar characters of reference.

For a core I use a sphere A, of solid soft rubber, said sphere being hollow, as at B, but its wall being preferably thick and'substantial. Over this sphere I place cups C and D of plastic material, such as celluloid or guttapercha, preferably the latter, said cups being preferably lined with fabric E. These parts I place between heating and compressing dies F and G.

The rubber sphere A in its original condition is considerably oversize,so that thecu ps lC and D when placed thereon cannot meet, as.

illustrated in Fig. 2; but bythe compressive action of the dies the cups are first forced over said sphere and then forced together and caused to weld at their edges. It will be seen that the cups O and D are normally too large to enter the hemispherical depressions H and J in the dies; but by the heat and compression the cups are forced to conform to the shape of the dies and also caused to weld at their edges. At Fig. l Athe final form of the ball is indicated in full lines and the closed position of the dies in dotted lines.

` One of the main purposes of my invention is to collapse or force the rubber sphere A into a much smaller compass, as at A', Fig. 1,thus compressing and distorting the rubber, so that in the finished ball said rubber is in an abnormal tense condition throughout, and

hence imparts to the ball a phenomenal ilying power, both on account of its increased resilience or power and also because of its constant expansive tendency, which serves linstantly to restore the spherical shape of the shell when the latter is distorted by a blow. It will also be understood that the air or other fluid originally contained in the cavity B is also in a state of compression in the reduced cavity B of the collapsed shell, as at Fig. l, thereby further contributing to the liveliness of the ball.

The fabric liningE is of service in forming the ball, and when the latter is in use it prevents light blows from unduly aecting the sensitive core A', so that the ball is not too lively for putting.

Many variations may be resorted to lwithin ythe scope of my invention and portions of my 'ber held under compression therewithin;

said shell being hollow and being distorted throughout in radial directions.

2. A playing-ball comprising a soft-rubber spherical shell and cover of hard, Wear-resisting material thereon; said rubber shell. being in a state of partial collapse and held under compression by said casing.

3. A playing-ball comprising a shell of guttaepercha and a filling held under com pression thereby; said filling consisting of a solid-rubber spherical shell in a state of partial collapse.

4. A playing-ball comprising a cover which consists of welded segments of gutta-p-ercha, and a filling held under compression by said shell; said filling consisting of a rubber :spherical shell hollow and in a state of partial collapse but tending constantly to recover its normal form.

5. A playing ball comprising a rubber spherical shell in a state of partial collapse, and a cover holding said shell under compression; said cover being a compound ofiplastic material and fabric.

6. Aplaying-ballcomprisingahollowsphere partially collapsed and confined by a wear-resisting shell, the hollow in said sphere oo ntaining air in a state of compression.

in said sphere containing air in a state of compression.

l1. A playing ball comprising a rubber sphere partially collapsed and held under compression by a shell of gutta-percha and fabric.

l2. A playing ball comprising a rubber sphere partially collapsed and held under compression by a shell consisting of Welded segments of gutta-percha and fabric.

ELEAZER KEMPSHALL.

Witnesses:

B. C. STIGKNEY, JOHN O. SEIFERT.

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