Stone working – Sawing – Rotary
Patent
1975-12-08
1977-08-30
Whitehead, Harold D.
Stone working
Sawing
Rotary
51 76R, 198339, B28D 104
Patent
active
040447480
ABSTRACT:
A cutting machine for petrous and building materials comprises first, second and third endless conveyor belts. The first belt is made up of a plurality of plates which extend transversely to the direction of travel of the first belt and are journalled together. Each plate has a central projection extending in the direction of travel, the central projections together forming a longitudinal partition which acts to divide the upper strand of the first conveyor belt into two zones. The second conveyor belt is aligned with the first belt at the discharge end thereof, to receive and convey material that has been conveyed by the first belt to its discharge end. The third endless conveyor belt is aligned with the second endless conveyor belt at the discharge end thereof and comprises at least two parallel endless belts having a space therebetween for permitting waste material to fall therethrough.
REFERENCES:
patent: 513952 (1894-01-01), McMahon
patent: 1124722 (1915-01-01), Gardella
patent: 2747565 (1956-05-01), Henderson
patent: 3127886 (1964-04-01), Miller
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