Vehicle-towed roadway grinding machine

Details Vehicle-towed roadway grinding machine Vehicle-towed roadway grinding machine

1979-10-17

1981-06-16

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

51177, 56 6, 172 78, 172327, 172662, 404 84, E01C 2309

Patent

active

042733847

ABSTRACT:
A grinding machine towed by a vehicle and having a plurality of rotating grinding members to smooth the surface traversed by the vehicle. Various mechanisms are provided to adjust the orientation of the grinding members so they are substantially parallel to the surface to be ground. The grinding machine comprises a main support member, a plurality of rotating grinding members extending downwardly therefrom, motors for rotating the grinding members, a first hinge coupling of the support member to the vehicle, a second hinge coupling of the support member to a wheel, a first adjusting mechanism to adjust the elevation of the front of the support member via the first hinge coupling and a second adjusting mechanism to adjust the elevation of the rear of the support member via the second hinge coupling.

REFERENCES:
patent: 2651246 (1953-09-01), Peters et al.
patent: 3400521 (1968-09-01), Caldwell
patent: 3496681 (1970-02-01), Oswold
patent: 3580638 (1971-05-01), Pullen
patent: 3606467 (1971-09-01), Christensen et al.
patent: 3825361 (1974-07-01), Steiner
patent: 4020599 (1977-05-01), Panetti

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