Spindle for a machine for sealing electric vacuum devices
OwnerValentin T. Samonovinventor
Life of this patent
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Abstract
A spindle for a machine for sealing electric vacuum devices, comprising a housing, a hollow sleeve rotating in the housing, a central arbor accommodated within the hollow sleeve and movable relative thereto, the arbor carrying a candle-like plug adapted to receive therein a foot or stem of an electric vacuum device, e.g. lamp or tube. A crosspiece rotates together with the central arbor and has mounted thereon uprights supporting a holder adapted to retain therein the bulb or envelope of an electric vacuum device, the spindle also incorporating a mechanism for removing automatically a stem that has been welded to the candle-like plug.
Claims6
A spindle for a machine for processing electric vacuum devices, comprising:
- a housing;
- a hollow sleeve rotatable mounted in said housing;
- a central arbor within said hollow sleeve and movable relative thereto;
- a candle-like plug carried by said central arbor, said candle-like plug having a weld holding a stem of an electric vacuum device;
- said arbor being axially movable within said sleeve;
- and stem removal means in contact with said arbor and being actuated when said arbor is moved axially relative to said stem removal means, said stem removal means removing said stem from said candle-like plug when said arbor is displaced axially by a predetermined distance.
Dependencies are inferred from the claim text.