Method of manufacturing a frame with molded features

Details Method of manufacturing a frame with molded features Method of manufacturing a frame with molded features

1998-02-13

1999-07-13

Echols, P. W.

Metal working

Method of mechanical manufacture

Gear making

29434, 29469, 295271, B21D 5326, B23P 2100, B23P 1100

Patent

active

059209860

ABSTRACT:
A gearbox (1) is formed by two steel plates (3,5) which support molded elements (such as 13b and combined 35e, 33e). A separate molding operation is performed on each plate, in which a plurality of individual molded parts are molded. The precise positioning is from the mold, not the plate. The liquid plastic is bound to the plate by entering a plurality of holes (such as 66 and 66a) for each part. The plates are then populated and then held together by screws (72a-72d). A bevel gear (31) is mounted on the outside by molded supports (29a, 29b) and by contact with gear (36) with which it meshes.

REFERENCES:
patent: 2709923 (1955-06-01), Manning
patent: 3015859 (1962-01-01), Bloom
patent: 3350953 (1967-11-01), Stewart
patent: 3845668 (1974-11-01), Underwood
patent: 4433588 (1984-02-01), Chaconas
patent: 4433589 (1984-02-01), Chaconas
patent: 4462949 (1984-07-01), Fehlmann
patent: 4761860 (1988-08-01), Krauss
patent: 5458603 (1995-10-01), Futch, Sr.

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