Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1990-06-18
1991-05-07
Britts, Ramon S.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
1523607, 30169, A47L 1114, B26B 308
Patent
active
050130927
ABSTRACT:
A stripper device for use in removing a covering from a flat surface, such as tile from a floor. The device includes an elongated member or arm for pushing a blade over the surface, the arm having a connecting portion, for example, at an inner end for mounting on a fork-lift truck. At the outer end of the arm, there is provided a connector for the blade which is in the form of a disk having a sharp peripheral edge. The disk includes a mating connector, and preferable, the connectors of the blade and arm are in the form of a ball and socket combination so that the blade can rotate about a vertical axis, and the axis of rotation can vary relative to the arm so that the peripheral edge can lie flatly against the floor at all times. The disk has a convex upper surface which intersects a lower surface at a shallow angle relative to the horizontal plane containing the peripheral edge. The device is effective in removing a covering such as tile from a floor surface by pushing the arm across the floor so that a portion of the edge of the blade rotates under the edge of the covering. The device is of simpler construction than known floor strippers which have become complex, usually including a wheel carried frame mounting a motor driven rotating cutter or brush or oscillating blade.
REFERENCES:
patent: 1171212 (1916-02-01), Kinne
patent: 2686324 (1954-08-01), Costarella
patent: 2738966 (1956-03-01), Davis
patent: 3512204 (1970-05-01), Jagiel
patent: 4614380 (1986-09-01), Allen
patent: 4668017 (1987-05-01), Peterson et al.
patent: 4860450 (1989-08-01), Achille
Bagnell David J.
Britts Ramon S.
Libert Victor E.
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