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US 4,093,176 AGranted
Mold-locking device
AssigneeIndustries et Techniques d'Ameublement
InventorAndre Contastin
Life of this patent
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Abstract
A mold-locking or catching device which comprises a support on one mold half or part, a bellows anchored to this support at one side of the bellows, a hook engageable with the rim of the other mold half or part and carried by the other side of the bellows and means for swinging the hook laterally into and out of engagement with the rim of the other mold half when the bellows is activated by fluid pressure or depressurized respectively.
Claims4
The combination of a two part mold having engaging rims and a locking device for said mold, said locking device comprising:
- a support means fixed at one end to one of said rims;
- a flexible bellows mounted at the other end on said support means;
- a movable plate member secured to the opposite end of the bellows;
- air inlet means passing through said movable plate member to the interior of the bellows;
- a hook-like member rigidly secured to the movable plate member;
- and
- compression spring means extending between the hook-like member and the fixed support means;
- and
- means on said hook-like member and said support means for limiting movement by the spring means of the movable plate member towards the fixed support member in the absence of pressure in the bellows to pivot said hook-like member relative to said mold to engage the other of said rims.
6 more elements
Dependencies are inferred from the claim text.