| 摘要 |
Device for holding and clamping a lens-blank on the spindle of a machine for grinding the edges of ophthalmic lenses, which comprises a fixed jaw and a clamping jaw, said jaws being coaxial, centered to the spindle axis and provided with bearing members respectively, said bearing members being adapted to engage the corresponding faces of said lens, the bearing member of at least said clamping jaw being of resilient character, this device being characterized in that said bearing member of at least one of said jaws is carried through the medium of a carrier element pivoted with at least 1 DEG of freedom to the relevant jaw. |
