Injection unit for injection molding apparatus

Details Injection unit for injection molding apparatus Injection unit for injection molding apparatus

1978-04-28

1980-03-11

Taylor, Billy S.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366318, 403355, 403317, B29F 104

Patent

active

041926161

ABSTRACT:
A detachable coupling provided between the helix and drive shaft of an injection molding machine is provided by a flattened end of the helix shaft received within a fork-shaped end of the actuation shaft so that respective boreholes are aligned for receiving therethrough a pin. An axially slidable locking sleeve is movable between a position preventing movement of the pin and a position permitting removal of the pin, and a resiliently urged locking detent ball and groove are provided at each of the positions.

REFERENCES:
patent: 3401951 (1968-09-01), Bloom
patent: 3806294 (1974-04-01), Hehl

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