Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1998-10-30
2000-10-24
Lillis, Eileen D.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
299 361, 299 391, 299 394, 299 396, 172540, 125 1301, E01C 23088
Patent
active
061355674
ABSTRACT:
An apparatus for engaging a surface, the apparatus consisting of a rotatable member for engaging the surface, the rotatable member having an axis of rotation; a rocker, the rocker having a forward end, a rearward end, and a surface contact face, the surface contact face of the rocker extending from the forward end of the rocker to the rearward end of the rocker; and a support wall and drive axle rotatably mounting the rotatable member over the rocker so that, upon contact of the surface contact face of the rocker with the surface, and upon forward or rearward rocking motion of the rocker, the axis of rotation of the rotatable member moves away from or toward the surface, causing the rotatable member to engage the surface at varying depths.
REFERENCES:
patent: 5382084 (1995-01-01), Diver et al.
patent: 5775781 (1998-07-01), Sawtelle et al.
Pavement Repair with the Bobcat Planer, A User's Guide, Melrose Company May, 1997.
Jack Kenneth
Kreck John
Lillis Eileen D.
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