Device for locking core boxes on supporting plates of molding sa

Details Device for locking core boxes on supporting plates of molding sa Device for locking core boxes on supporting plates of molding sa

1987-06-29

1988-05-17

Godici, Nicholas P.

Metal founding

Means to shape a forming surface

Means for shaping core

B22C 706, B22C 1312

Patent

active

047444053

ABSTRACT:
Device for rapidly locking core boxes on respective supporting plates, comprising a pin vertically rigidly attached to the base of a core box and freely insertable in a corresponding first hole extending in the supporting plate, at least one recess in the pin, defining an engagement portion for a cam element mounted rotatably, without axial translatory motion, within the supporting plate in such a position as to interfere, only with a protruding part thereof, with the recess so as to lock the pin to the supporting plate and to disengage the pin after the partial rotation of the cam element, retention members being furthermore provided for the cam element, preventing axial translatory motion thereof. The cam element furthermore comprises an end tang protruding from the supporting plate, for rotating the cam element by a key and the like.

REFERENCES:
patent: 2901792 (1959-09-01), Covitt
patent: 4674552 (1987-06-01), Howe

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