Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Patent
1973-10-12
1976-10-12
Lanham, C.W.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
72705, B21D 112
Patent
active
039850145
ABSTRACT:
Portable apparatus for use in spreading or otherwise shifting parts of a wrecked vehicle to permit removal of occupants in such vehicle, including a U-shaped support member having a longitudinally extending base and two arm members extending perpendicularly therefrom, such arm member having chains and chain hoists attached thereto whereby the chains can be attached to selected parts of the vehicle and such selected parts can be spread or pulled away from one another by operating the chain hoists. The U-shaped support member is composed of a plurality of small components which are readily portable and which can be quickly assembled in rigid relation to one another at a rescue site. The U-shaped support may include stabilizer members extending outwardly therefrom to stabilize the U-shaped support in an upright position for some rescue operations.
REFERENCES:
patent: 3034564 (1962-05-01), Cavazos
patent: 3122194 (1964-02-01), Bronson et al.
patent: 3149659 (1964-09-01), Bogert, Jr.
patent: 3149660 (1964-09-01), Smith
patent: 3292410 (1966-12-01), Baldassano
patent: 3501938 (1970-03-01), Sprague
patent: 3729978 (1973-05-01), Lunardini
patent: 3776022 (1973-12-01), Lionello
Gurley D. M.
Lanham C.W.
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