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US3249734A Expired / Lapsed US ⏱️ 0.0 years remaining

Welding torch for continuous wire feed

Assignee: Machinery and Welder Corp
•
Filing: 1963-11-20
•
Granted: 1966-05-03
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Expires: 1983-11-20
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Abstract

No abstract record available.

Inventors

  • 👤 Gilbert F Meyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:05
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/29; B23K9/291; B23K9/295

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 294 words
IN A TORCH FOR WELDING WITH A CONTINUOUS LENGTH OF WELDING WIRE HAVING AN ASSOCIATED MOTOR FOR FEEDING THE SAME AT A CONSTANT RATE TOGETHER WITH A SOURCE OF WELDING CURRENT AND SOURCE OF INERT GAS, THE COMBINATION COMPRISING A HOLLOW CYLINDRICAL HANDLE OF INSULATING MATERIAL, A CONNECTOR BLOCK OF GOOD CONDUCTING METAL TELESCOPED IN THE FRONT END OF THE HANDLE, SAID CONNECTOR BLOCK HAVING A FORWARDLY FACING CYLINDRICAL SOCKET, A HOLLOW TUBULAR GOOSENECK OF GOOD CONDUCTING METAL SEATED IN SAID SOCKET, A CONTACT TIP AT THE END OF SAID GOOSENECK, A WELDING WIRE CONDUIT, A CONNECTION ON THE REAR OF SAID BLOCK ALINGED WITH THE SOCKET FOR CONNECTING TO THE WIRE CONDUIT FOR FEEDING OF THE WELDING WIRE CENTRALLY THROUGH SAID GOOSENECK, A GAS CONDUIT, A SECOND CONNECTION ON THE REAR OF SAID BLOCK ADJACENT SAID FORST CONNECTION FOR CONNECTING TO FRICTIONAL SLEEVE ENGAGEMENT WITH THE GOOSENECK WITH EXTENSIVE METAL TO METAL CONTACT FOR EFFICIENT TRANSFER OF WELDING CURRENT AND GAS TO SAID GOOSENECK WHILE PERMITTING ROTATION OF SAID GOOSENECK ABOUT THE SLEEVE AXIS INTO ANY DESIRED ANGULAR POSITION RELATIVE TO THE SWITCH OPERATOR, CONNECTIONS BEING IN COMMUNICATION WITH ONE ANOTHER SO THAT GAS FROM THE GAS CONDUIT FLOWS THROUGH SAID GOOSENECK INTO SAID GAS CUP FOR SURROUNDING THE WELDING WIRE EXITING FROM THE CONTACT TIP, AN ELECTRICAL CONNECTION ON SAID BLOCK FOR CONNECTION TO THE SOURCE OF WELDING CURRENT, A SWITCH ON SAID HANDLE FOR CONTROLLING THE MOTOR AND HAVING A SWITCH OPERATOR EXTENDING LENGTHWISE ALONG THE HANDLE, THE SOCKET IN SAID CONNECTOR BLOCK BEING FORMED TO PROVIDE SNUG SAID SOCKET INCLUDING A METALLIC CONTACT SHOE BEARING ON THE GOOSENECK AND HAVING AN ADJUSTING SCREW FOR ADJUSTING THE DEGREE OF FRICTION TO THAT WHICH WILL MAINTAIN THE GOOSENECK IN THE DESIRED POSITION.
Claim 2
Dependent Claim 294 words
IN A TORCH FOR WELDING WITH A CONTINUOUS LENGTH OF WELDING WIRE HAVING AN ASSOCIATED MOTOR FOR FEEDING THE SAME AT A CONSTANT RATE TOGETHER WITH A SOURCE OF WELDING CURRENT AND SOURCE OF INERT GAS, THE COMBINATION COMPRISING A HOLLOW CYLINDRICAL HANDLE OF INSULATING MATERIAL, A CONNECTOR BLOCK OF GOOD CONDUCTING METAL TELESCOPED IN THE FRONT END OF THE HANDLE, SAID CONNECTOR BLOCK HAVING A FORWARDLY FACING CYLINDRICAL SOCKET, A HOLLOW TUBULAR GOOSENECK OF GOOD CONDUCTING METAL SEATED IN SAID SOCKET, A CONTACT TIP AT THE END OF SAID GOOSENECK, A WELDING WIRE CONDUIT, A CONNECTION ON THE REAR OF SAID BLOCK ALINGED WITH THE SOCKET FOR CONNECTING TO THE WIRE CONDUIT FOR FEEDING OF THE WELDING WIRE CENTRALLY THROUGH SAID GOOSENECK, A GAS CONDUIT, A SECOND CONNECTION ON THE REAR OF SAID BLOCK ADJACENT SAID FORST CONNECTION FOR CONNECTING TO FRICTIONAL SLEEVE ENGAGEMENT WITH THE GOOSENECK WITH EXTENSIVE METAL TO METAL CONTACT FOR EFFICIENT TRANSFER OF WELDING CURRENT AND GAS TO SAID GOOSENECK WHILE PERMITTING ROTATION OF SAID GOOSENECK ABOUT THE SLEEVE AXIS INTO ANY DESIRED ANGULAR POSITION RELATIVE TO THE SWITCH OPERATOR, CONNECTIONS BEING IN COMMUNICATION WITH ONE ANOTHER SO THAT GAS FROM THE GAS CONDUIT FLOWS THROUGH SAID GOOSENECK INTO SAID GAS CUP FOR SURROUNDING THE WELDING WIRE EXITING FROM THE CONTACT TIP, AN ELECTRICAL CONNECTION ON SAID BLOCK FOR CONNECTION TO THE SOURCE OF WELDING CURRENT, A SWITCH ON SAID HANDLE FOR CONTROLLING THE MOTOR AND HAVING A SWITCH OPERATOR EXTENDING LENGTHWISE ALONG THE HANDLE, THE SOCKET IN SAID CONNECTOR BLOCK BEING FORMED TO PROVIDE SNUG SAID SOCKET INCLUDING A METALLIC CONTACT SHOE BEARING ON THE GOOSENECK AND HAVING AN ADJUSTING SCREW FOR ADJUSTING THE DEGREE OF FRICTION TO THAT WHICH WILL MAINTAIN THE GOOSENECK IN THE DESIRED POSITION.

References Cited (Backward Citations)

US2128799A Cited
US2289938A Cited
US2371945A Cited
US2465157A Cited
US2817749A Cited
US2881305A Cited
US2952766A Cited
US2981825A Cited
US3112392A Cited
US3155811A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-02 1969-11-01 1970-05-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-02 1973-11-01 1974-05-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-02 1977-11-01 1978-05-03 $7700.00 Window Closed / Lapsed

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