Safety latch system

Details Safety latch system Safety latch system

1977-11-21

1979-07-31

Briggs, William R.

Plastic article or earthenware shaping or treating: apparatus

With safety feature

Plural starting buttons or mold operating means dependent...

100 53, 425151, B29F 100

Patent

active

041628780

ABSTRACT:
An injection molding machine having a safety gate slidable to a closed position to block access to a mold space includes a lever and a latch which cooperate with an adjustable safety bar mounted on a movable platen of the molding machine to prevent the safety gate from being opened during a machine cycle. The lever and the latch also prevent the machine from operating when the safety bar is not properly adjusted.

REFERENCES:
patent: 2201244 (1940-05-01), Root
patent: 2415462 (1947-02-01), Cherry et al.
patent: 3728057 (1973-04-01), Grundmann
patent: 3877858 (1975-04-01), Smith
patent: 3913413 (1975-10-01), Walker

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