Automatic latch for mold closing

Details Automatic latch for mold closing Automatic latch for mold closing

1985-11-06

1987-09-15

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to close mold

425595, 4254519, 425DIG221, B29C 3926, B29C 4526

Patent

active

046936793

ABSTRACT:
A locking device for locking two mold halves in the closed position for a blow molding process by use of a shaft with at least one lug on one coupling member and a mating key hole in a second coupling member such that the lug passes through the keyhole and is rotated within said second coupling to lock by engaging the lug with a flange of the keyhole. The rotation of the lug being effected by a guide rod and co-operating guide slots such that as the shaft of the coupling member moves in the locking direction the guide rod is guided by the slots to rotate the lug into the locking position.

REFERENCES:
patent: 4315727 (1982-02-01), Black
patent: 4372738 (1983-02-01), Black et al.
patent: 4594067 (1986-06-01), Langos

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