Supporting and positioning plate assembly for spectacle frames
AssigneeEssilor International Cie Generale d'Optique
InventorJean Marie Godot
Life of this patent
Estimating the term…
Abstract
A positioning and retaining plate assembly for the controlled location of a spectacle frame comprises three superposed plates slidably mounted in relation to each other. The upper plate, or tray, includes fastening means for a spectacle frame, and is slidable in one direction over the middle plate, or bed plate. The bed plate is slidable in a direction at right angles to the first direction over the lower plate, or base. Locking means are provided for locking the plates in position. The assembly may be mounted on a pedestal provided with a reflective upper surface on which reference axes are marked which can be viewed through apertures provided in the plates.
Claims25
A supporting and positioning plate adapted for the controlled positioning of a spectacle frame, comprising fastening means adapted to hold a spectacle frame, a bed plate, a tray mounted for sliding in a first direction on the bed plate, a base on which said bed plate is in turn mounted for sliding in a second direction perpendicular to the first-mentioned direction locking means for locking the elements in position provided between said tray, said bed plate, and said base, a positioning pedestal, complementary engagement means being provided between the said pedestal and the base of the plate, and the base, bed plate, and tray being provided with mutually corresponding cavities which leave the upper face of the pedestal visible, and around which are disposed the associated spectacle frame fastening means, the upper face of the pedestal being provided with reference axes.
Dependencies are inferred from the claim text.