Stone working – Sawing – Rotary
Patent
1986-10-28
1988-02-02
Whitehead, Harold D.
Stone working
Sawing
Rotary
51206R, B28D 104
Patent
active
047223200
ABSTRACT:
A cutting segment adapted for mounting on a circular cutting wheel is disclosed, and which is characterized by its ability to provide a grooved cutting surface that accurately guides the circular wheel to which it is attached through stone, concrete or the like. The cutting segment includes a unitary solid metallic body that has a top wall which defines a cutting surface, a bottom wall opposite the cutting surface, two opposite flat side walls and two opposite end walls. At least one of the end walls includes a recessed channel which extends between and intersects the cutting surface and the bottom wall. The channel defines a central portion on the cutting surface that is contiguous with the intersection of the channel, and two flanking portions on opposite sides of the central portion. In use, greater wear occurs on the central portion of the cutting surface than the flanking portions, resulting in the formation of an arcuate groove extending longitudinally along the cutting surface that guides the cutting wheel through the stone, concrete or the like.
REFERENCES:
patent: Re25434 (1968-08-01), Christensen
patent: 1163356 (1915-12-01), Meyers
patent: 2826878 (1958-03-01), Lindblad
patent: 3203774 (1965-08-01), Pratt
patent: 3830020 (1974-08-01), Gomi
patent: 4267814 (1981-05-01), Benson et al.
patent: 4505251 (1985-03-01), Stoll
Wheel Trueing Tool Company
Whitehead Harold D.
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