Tennis backboard for excellent rebound and low noise

• US 9,302,166 B2
• Filed: 01/09/2014
• Issued: 04/05/2016
• Est. Priority Date: 01/09/2014
• Status: Active Grant

• Current Assignee: Sai Karthik Annapragada
• Original Assignee: Sai Karthik Annapragada
• Inventors: Annapragada, Sai Karthik
• Primary Examiner(s): Aryanpour, Mitra
• Application Number:
  US14/151,779
• Publication Number:
  US 20150190701A1
• Time in Patent Office: 817 Days
• Field of Search: 473/422, 473/434, 473/435, 473/446, 473/451, 473/454
• US Class Current: 1/1
• CPC Class Codes: A63B 2102/02 Tennis
• CPC Class Codes: A63B 2209/00 Characteristics of used materials
• CPC Class Codes: A63B 69/0097 Ball rebound walls with holes or in combination with nets A63B63/00

Abstract

A tennis practice device that has a rebound surface made out of composite material consisting of cement, ground calcium silica, cellulose fibers, wood fibers and other select additives such as fly ash and a sound dampening material sandwiched between the rebound surface and the support structure.

Claims

1. A tennis practice device comprising:

a planar backing panel;

a tennis rebound panel formed of a material consisting essentially of cement, ground calcium silica, cellulose fibers, wood fibers and fly ash;

a sound dampening layer sandwiched between the planar backing panel and the rebound panel, wherein the sound dampening layer is formed from a soft rubber material;

means for securing the planar backing panel, the sound dampening layer and rebound panel together; and

a support stand for adjustably supporting the tennis practice device at an angle with respect to the support surface.

2. The tennis practice device of claim 1, wherein the thickness of the rebound panel ranges from 0.01 to 1 inch.

3. The tennis practice device of claim 1, wherein the width of the rebound panel ranges from 4 to 20 feet.

4. The tennis practice device of claim 1, wherein the height of the rebound panel ranges from 5 to 12 feet.

5. The tennis practice device of claim 1, wherein the rebound panel is painted using exterior grade paint on the front, back and the sides.

6. The tennis practice device of claim 1, wherein the rebound panel is painted using exterior grade paint or taped using exterior grade tape to form lines to visually represent a tennis court.