Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1991-10-25
1993-03-30
Bagnell, David J.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
15 931, 30170, B32B 3118, E21C 4700
Patent
active
051977842
ABSTRACT:
An apparatus for removing floor covering which has a frame supported by wheels. Some of the wheels are used to drive the frame and these wheels are powered by a structurally independent power source. A tool secured to the frame, may be used to push up floor covering.
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