Patent ID: 6514436
Filing Date: 2003-02-04
Classification: B29C,B29D,B29L,Y10S

Abstract:
A clamping assembly for clamping a lens mold having mating female and male mold sections having a quantity of liquid lens-forming material therebetween for forming a lens, said clamping assembly comprising:a) a reference fixture having an upper surface configured for the removable seating of said lens mold thereon; b) an upper plate positioned in spaced relation to said reference fixture with said upper surface of said fixture facing said upper plate; c) linear translation means coupled to said reference fixture and operable to alternately move said reference fixture between a retracted position whereby said spacing between said fixture upper surface and said upper plate is greater than the height â€œhâ€  of said lens mold, and an extended position whereby said fixture moves with said mold toward said upper plate until said mold abuts said upper plate and is clamped between said reference fixture and said upper plate; and d) means biasing said reference fixture in said extended position, said biasing means being selectively adjustable to a predetermined biasing force.