Patent Number: 6,332,619

Title: Derosa router chuck

Abstract: A chuck for use with power tools to interchangeably accept and hold tools, such as wood or other cutting tools, especially router bits, of simple, lightweight design, improving manufacturing and assembly techniques, providing significant tool holding torque are disclosed. A method for connecting chucks, shafts and similarly threaded surfaces is also disclosed.

Inventors: DeRosa; John L. (Upper Marlboro, MD)

Assignee: J. P. Walsh/J. P. Marmo Enterprises Inc.

International Classification: B23B 31/10 (20060101); B23B 31/11 (20060101); B23B 31/107 (20060101); B23B 031/107 ()

Expiration Date: 12/25/2018