Patent ID: 6231433
Filing Date: 2001-05-15
Classification: B24B

Abstract:
A device for clamping a blank on a machine for trimming optical lenses, which machine includes two coaxial clamping jaws for clamping faces of said blank and in which machine each jaw is provided with bearing members adapted to cooperate with one face of said blank, at least one of said jaws includes a plate and a body and said plate carries one of said bearing members and is articulated to said body by a male member having a first axis and being carried by one of said two parts of the plate/body combination and cooperating with a blind female housing in the other of said two parts, in which device said male member has at least three facets evenly distributed about said first axis, each facet is generally cylindrical with generatrices orthogonal to said first axis on respective opposite sides of a common transverse plane, and said female housing having a second axis and plane faces parallel to said second axis, and each of said faces being delimited axially by a bottom and adapted to cooperate with one of said facets of said male member.