Concrete leveling machine

Details Concrete leveling machine Concrete leveling machine

1989-05-23

1992-07-14

Housel, James C.

Plastic article or earthenware shaping or treating: apparatus

With transportation device for relocating molding apparatus...

404 84, 404102, 404133, 425 63, 425141, 425456, E01C 1940

Patent

active

051298031

ABSTRACT:
A concrete leveling machine is provided which propels itself over the surface of laid concrete and by use of rotating augers or oscillating stabilizers and a temper, levels and finishes the surface to a prescribed level and condition. A laser reference beam transmitted over the surface is detected by detectors attached to the leveling section of the machine and deviation of the level of the detectors from a reference level is adjusted so that the leveling section is also brought to a level required to produce the desired surface level. The machine is turned by a turntable integral with the main body which lifts the machine allowing it to turn by differential drive to its drive wheels.

REFERENCES:
patent: 786261 (1905-04-01), Brichta
patent: 3069983 (1962-12-01), Pizzarotti et al.
patent: 3359875 (1967-12-01), Reider
patent: 3541932 (1970-11-01), Hodson
patent: 3699855 (1972-10-01), Leister
patent: 3953145 (1976-04-01), Teach
patent: 4371287 (1983-02-01), Johansson
patent: 4493585 (1985-01-01), Axer
patent: 4655633 (1987-04-01), Somero et al.
patent: 4828428 (1989-05-01), Anderson

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