Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1977-01-06
1978-05-09
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
15 93R, 30170, 30272R, A47L 1112
Patent
active
040883698
ABSTRACT:
A machine for removing cemented carpets, tiles and like coverings from a floor or other surface. A cam is mounted on the shaft of a drive motor secured to a frame of the machine. A blade-carrying bracket is pivotably mounted on the frame, and a follower block is rigidly secured to the bracket. The follower block has an oblong opening to receive the cam, and to translate rotary motion of the cam into reciprocating motion of the blade.
REFERENCES:
patent: 968422 (1910-08-01), Rosenholz
patent: 3195232 (1965-07-01), Toth
patent: 3733637 (1973-05-01), Becker
Purser Ernest R.
Roofing Equipment, Inc.
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