Engraving machine for rings and bangle bracelets

Details Engraving machine for rings and bangle bracelets Engraving machine for rings and bangle bracelets

B - Operations, Transporting

23

C

90/10

B23C 1/16 (2006.01)

Patent

CA 1084316

AN ENGRAVING MACHINE FOR RINGS AND BANGLE BRACELETS Abstract of the Disclosure An engraving machine for rings and bangle bracelets is disclosed. The machine is of the type that utilizes a circular pattern carrier ro- tatably carried on the base of the machine. The patterns, which are carried on the periphery of the carrier, are transferred to the inner surface of a ring or bangle bracelet by way of a pantograph lever having a stylus adjacent the pattern carrier and an engraving tool , adjacent the inner surface of the ring or bangle bracelet. A workholder assembly is utilized to position the ring or bangle bracelet during the engraving process. The entire workholder assembly is vertically slideable along two horizontally disposed rods, which are secured to a carrier frame. A peripheral indexable ratchet wheel is rotatably mounted to the workholder assembly and carries on it a plurality of clamping chucks which hold the rings or bangle bracelets in position. The clamping chucks are axially slideable within slots in the ratchet wheel and have interchangeable jigs removably secured to them. .

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