Severing by tearing or breaking – Breaking or tearing apparatus – Movable breaking tool
Patent
1976-05-04
1978-08-15
Yost, Frank T.
Severing by tearing or breaking
Breaking or tearing apparatus
Movable breaking tool
30277, 125 40, B26F 300
Patent
active
041066820
ABSTRACT:
A shearing tool for use in dismantling steel structures such as multi-story buildings takes the form of a large heavy inverted U-shaped steel member of a size enabling it to be elevated and dropped on a horizontal floor beam for example adjacent a vertical column to shear the same therefrom.
REFERENCES:
patent: 1284312 (1918-11-01), Glover
patent: 1826016 (1931-10-01), Naylor et al.
patent: 2074906 (1937-03-01), Hausler
patent: 2334940 (1943-11-01), Le Tourneau
patent: 2846754 (1958-08-01), Raizk et al.
patent: 3916520 (1975-11-01), Ramun
Harpman Webster B.
Yost Frank T.
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