Apparatus for dismantling buildings

Details Apparatus for dismantling buildings Apparatus for dismantling buildings

1990-09-10

1991-06-04

Peters, Jr., Joseph F.

Material or article handling

Vertically swinging load support and hoist or drag line

294 92, 212259, 212167, 212186, 212262, B66B 1700, B66C 2300, B66C 2382

Patent

active

050209620

ABSTRACT:
A building is rapidly and inexpensively dismantled by dropping a heavy inverted U-shaped tool on a building or other structure from an elevation thereabove as from the upper outer end of a boom on a crane, the tool is initially suspended from a cable leading back to a winch capable of dropping the tool in a free fall. A secondary cable is attached to one of the arms of the inverted U-shaped tool inwardly from its lower end, the secondary cable leading to a secondary winch of a type capable of exerting great pulling power on the tool once it is engaged in the building or structure being dismantled.

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patent: 1240821 (1917-09-01), Carozza
patent: 1448680 (1923-03-01), Stack
patent: 1851346 (1932-03-01), Brown
patent: 2239750 (1941-04-01), Weeks et al.
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patent: 2646225 (1953-07-01), Le Desco
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patent: 2710767 (1955-06-01), Howe
patent: 3155328 (1964-11-01), Langley
patent: 3799602 (1974-03-01), Laws et al.
patent: 3845893 (1974-11-01), Banjavich
patent: 3869814 (1975-03-01), Rannev et al.
patent: 4106682 (1978-08-01), Ramun

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