Metal deforming – With tool carrier
Patent
1977-03-09
1978-09-26
Lanham, C.W.
Metal deforming
With tool carrier
72456, B21J 706
Patent
active
041160398
ABSTRACT:
An improved upright frame element for fluid operated drop hammers which are fabricated from low carbon steel plates, slabs and forgings welded together and forming a massive, integrated weldment of multiple boxlike fabrications having strong horizontal internal and external reinforcing structures welded to the essential upstanding parts of the frame and lending strength against the several forces and components in torsion, bending, shear and against vibration to which drop hammer frames are subjected violently in normal use. All the upstanding end members and side plates are welded to and integrated with a firm horizontal base member at their lower ends and to and with a heavy horizontal top member at their upper ends. The base and top members close the uppermost and lowermost of the several boxlike fabrications with the nearest of the several horizontal reinforcing structures mentioned above. When a pair of my improved frame elements are juxtaposed in the whole frame of a drop hammer, they coact to protect each other and preserve themselves advantageously.
REFERENCES:
patent: 442898 (1890-12-01), Kennedy
patent: 1875939 (1932-09-01), Schneider
patent: 2236154 (1941-03-01), Patrick
patent: 2589402 (1952-03-01), Kropp
patent: 2737066 (1956-03-01), Riemenschneider
patent: 3621703 (1971-11-01), Swift
Amca International Corporation
Crosby Gene P.
Lanham C.W.
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