GB179444A - Improvements in billiard balls and the like - Google Patents
Improvements in billiard balls and the likeInfo
- Publication number
- GB179444A GB179444A GB1472221A GB1472221A GB179444A GB 179444 A GB179444 A GB 179444A GB 1472221 A GB1472221 A GB 1472221A GB 1472221 A GB1472221 A GB 1472221A GB 179444 A GB179444 A GB 179444A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ball
- centre
- billiard
- series
- balls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B43/00—Balls with special arrangements
- A63B43/04—Balls with special arrangements with an eccentric centre of gravity; with mechanism for changing the centre of gravity
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
- Finger-Pressure Massage (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
179,444. Willoughby, F. S. May 27, 1921. Balls.-A billiard or like ball with a true spherical surface has its centre of gravity displaced' from the geometrical centre to give the ball an uncertain movement. In a bonzaline ball a metal ball may be embedded out of centre during the moulding process, or a disc b, Fig. 4, or a series of metal rods, may be let into the surface. In an ivory ball, a plug c, Fig. 2, may retain a single ball a, a series of small balls, or a quantity of quicksilver. A section or a half of the billiard ball may be made of a lighter or heavier material, or a cavity d, Fig. 10, may be made in the ball. A weight g, Fig. 8, adjustable by a screw f may be provided within a bore, or the ball may be made in two separable parts, Fig. 9, to permit access to an adjustable weight j.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1472221A GB179444A (en) | 1921-05-27 | 1921-05-27 | Improvements in billiard balls and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1472221A GB179444A (en) | 1921-05-27 | 1921-05-27 | Improvements in billiard balls and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB179444A true GB179444A (en) | 1922-05-11 |
Family
ID=10046319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1472221A Expired GB179444A (en) | 1921-05-27 | 1921-05-27 | Improvements in billiard balls and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB179444A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3362710A (en) * | 1962-07-05 | 1968-01-09 | Valley Mfg Company | Methods and means for sorting pool balls |
| US4664387A (en) * | 1986-01-14 | 1987-05-12 | Tardiff George E | Practice putting ball |
| GB2232895A (en) * | 1989-06-17 | 1991-01-02 | John Richard Aldridge | Golf ball |
| US6056622A (en) * | 1993-09-07 | 2000-05-02 | Chung; Chang I. | Balls with unpredictable bounce |
| CN113624210A (en) * | 2021-08-23 | 2021-11-09 | 中国水利水电科学研究院 | Hydrology monitoring devices |
-
1921
- 1921-05-27 GB GB1472221A patent/GB179444A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3362710A (en) * | 1962-07-05 | 1968-01-09 | Valley Mfg Company | Methods and means for sorting pool balls |
| US4664387A (en) * | 1986-01-14 | 1987-05-12 | Tardiff George E | Practice putting ball |
| GB2232895A (en) * | 1989-06-17 | 1991-01-02 | John Richard Aldridge | Golf ball |
| GB2232895B (en) * | 1989-06-17 | 1993-10-06 | John Richard Aldridge | Improvements in or relating to golf |
| US6056622A (en) * | 1993-09-07 | 2000-05-02 | Chung; Chang I. | Balls with unpredictable bounce |
| CN113624210A (en) * | 2021-08-23 | 2021-11-09 | 中国水利水电科学研究院 | Hydrology monitoring devices |
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