Thomas F Layfield

US Patent:

39931153, Nov 23, 1976

Filed:

Oct 17, 1975

Appl. No.:

5/623307

Inventors:

Aubrey E. Greene - Ellaville GA
Thomas F. Layfield - Ellaville GA

International Classification:

B29H 2108
B23B 322
B23B 3700

US Classification:

157 13

Abstract:

A tire truing machine having a carrier for supporting and moving a motor-driven cutter to and from a mounted and driven wheel having a tire with means to vary the travel of the cutter according to the desired contour of the tire, including a new and improved cutter head having means for mounting the cutter blade onto the motor drive shaft so that the distance between the cutter blade and the housing may be closely controlled to prevent dirt and rubber from entering the motor housing and further having a new and improved means for both automatic and manual sharpening of the cutter blade, and more importantly, for preventing rubber from being drawn between the carbides and the blade to prevent binding of the machine.