# US 8,771,108 B2 · Training device for improving a tennis players swing

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- Number: US 8,771,108 B2
- Document ID: US8771108B2
- Status: Granted
- Kind: B2
- Application number: 13/754,400
- Filed: 2013-01-30
- Published: 2013-11-07
- Granted: 2014-07-08
- Earliest claimed: 2012-05-02
- Applicants: Yann O. Auzoux
- Inventors: Yann O. Auzoux
- Web page: https://patentgrep.com/patent/US8771108B2

## CPC

- A63B 69/38: for tennis {(A63B61/006, A63B69/0073 and A63B69/0097 take precedence)}
- A63B 15/00: Clubs for gymnastics or the like {, e.g. for swinging exercises}
- A63B 60/48: with corrugated cross-section
- A63B 60/52: with slits
- A63B 2071/0625: {Emitting sound, noise or music}
- A63B 2209/00: Characteristics of used materials
- A63B 2209/02: with reinforcing fibres, e.g. carbon, polyamide fibres
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

A training device which includes a face with a first region and a second region, said first region adapted to provide an first auditory output when struck by a tennis ball and said second region adapted to provide a second auditory output when struck by a tennis ball, wherein said first auditory output and said second auditory output are different, a circumferentially grooved region adjacent said face, and a ringlet engageable with said grooved region.

## Claims

### Claim 1

A training device including:
a. a face with a first region and a second region, said first region adapted to provide a first auditory output when struck by a tennis ball and said second region adapted to provide a second auditory output when struck by a tennis ball; wherein said first auditory output and said second auditory output are different;
b. a circumferentially grooved region adjacent said face; and
c. a ringlet engageable with said grooved region.

### Claim 2 (depends on 1)

The training device of claim 1, wherein the face has a width of about 5 to 8 inches and is located between the grooved region and a tennis grip.

### Claim 3 (depends on 2)

The training device of claim 2, wherein the face and grip are connected by a tapered elongation member having a diameter of about 0.5 to 4 inches.

### Claim 4 (depends on 1)

The training device of claim 1, wherein the ringlet is removable from the grooved region by stretching the ringlet.

### Claim 5 (depends on 4)

The training device of claim 4, wherein the ringlet includes a ringlet lip which can be manually engaged to stretch the ringlet.

### Claim 6 (depends on 1)

The training device of claim 1, wherein the training device includes a hook at an end thereof, the hook adapted to serve as an anchor for rubberized strength bands.