Fred C Martin

US Patent:

45469776, Oct 15, 1985

Filed:

Jun 14, 1984

Appl. No.:

6/620520

Inventors:

Warren M. Bosworth - Glastonbury CT
Fred E. Martin - San Diego CA

Assignee:

Ektelon - San Diego CA

International Classification:

A63B 5114

US Classification:

273 73A

Abstract:

A racket stringing machine utilizing an improved retaining standard for securing a racket to be strung in a fixed position. The retaining standard includes a vise portion and a clamp portion. The clamp portion has an attached rod that fits into a hole in the vise. The clamp portion serves to maintain the racket to be strung in a fixed position on the vise. The vise also includes a slot into which a dog is inserted. The dog bears against the clamp rod and fixes it in a particular location. A handle having a cam portion is also provided. The cam portion of the handle engages the dog so as to allow selective engagement with the clamp rod. Additionally, frame retainers of different sizes and shapes are provided that allow rackets of various configurations to be strung with the same stringing machine.

Address:

PO Box 81, Eagar, AZ 85925

Phone:

9283334958

VIN:

3D7KS28A48G170838

Make:

DODGE

Model:

RAM 2500

Year:

2008