Portable cutting device for attachment to blades of earth moving

Details Portable cutting device for attachment to blades of earth moving Portable cutting device for attachment to blades of earth moving

1980-08-15

1982-05-25

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

299 40, 172604, 172778, E01C 2309

Patent

active

043313620

ABSTRACT:
A portable pavement cutting device removably attachable to a blade of an earth moving machine includes a cutting disc having a plurality of sawtooth-like cutting teeth disposed around the entire periphery of the cutting disc for cutting into asphalt pavement. The edges of the cutting teeth adjoin to form a continuous cutting edge around the entire periphery of the cutting disc. The cutting disc is freely rotatably supported between a pair of bifurcated fork arms extending downward from a common base. A V-shaped attachment bracket is attached to the base for receiving the cutting edge of the earth mover blade. Clamping bolts are utilized to clamp the attachment bracket element to the cutting edge of the earth mover blade. A "jack-hammer" mechanism is attached to and supported by the base. A high pressure air source activates the jack-hammer mechanism, which causes the cutting teeth to dig into the asphalt pavement, cutting it as the earth moving machine slowly rolls along the asphalt pavement.

REFERENCES:
patent: 3173493 (1965-03-01), Renault
patent: 3271079 (1966-09-01), Simmons
patent: 3472554 (1969-10-01), Hopkins
patent: 3743358 (1973-07-01), Guest
patent: 4076314 (1978-02-01), Dodich

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