Patent US3803560A successfully refreshed from Google Patents.
US3171012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic groove follower for welding apparatus
Assignee: PALCO INDUSTRIES Inc A CORP OF DE
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Filing: 1962-03-26
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Granted: 1965-02-23
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Laurel A Morehead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/127; B23K9/1272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN COMBINATION WITH APPARATUS WHICH INCLUDES A WELDING HEAD AND MEANS FOR MOVING THE WELDING HEAD TRANSVERSELY OF, AS WELL AS TOWARD AND AWAY FROM, A GROOVE LOCATED ON WORK TO BE WELDED, A FOLLOWER ASSEMBLY COMPRISING: (A) AN ELONGATED CASING; (B) A FEELER ROD HAVING ONE END ADAPTED TO RIDE IN SAID GROOVE; (C) MEANS WITHIN SAID CASING FULCRUMING SAID FEELER ROD INCLUDING A WOBBLE PLATE FIXEDLY MOUNTED ON THE FEELER ROD AND A RING SECURED WITHIN THE CASING AGAINST WHICH SAID PLATE BEARS; (D) A CONTACT ACTUATED BY SAID FEELER ROD WHEN SAID FEELER ROD IS DEFLECTED FROM A PREFERRED POSITION WITH RESPECT TO SAID GROOVE; (E) A PLURALITY OF SPACED CONTACTS SELECTIVELY ENGAGED BY SAID FIRST MENTIONED CONTACT IN ACCORDANCE WITH THE DIRECTION IN WHICH SAID FEELER ROD IS DEFLECTED; AND (F) MEANS ENERGIZED BY ENGAGEMENT OF SAID FIRST MENTIONED CONTACT WITH ANY ONE OF SAID SECOND MENTIONED CONTACTS FOR CAUSING SAID WELDING HEAD TO BE MOVED INTO A PREFERRED RELATIONSHIP WITH SAID GROOVE.
Claim 2
Dependent Claim
167 words
IN COMBINATION WITH APPARATUS WHICH INCLUDES A WELDING HEAD AND MEANS FOR MOVING THE WELDING HEAD TRANSVERSELY OF, AS WELL AS TOWARD AND AWAY FROM, A GROOVE LOCATED ON WORK TO BE WELDED, A FOLLOWER ASSEMBLY COMPRISING: (A) AN ELONGATED CASING; (B) A FEELER ROD HAVING ONE END ADAPTED TO RIDE IN SAID GROOVE; (C) MEANS WITHIN SAID CASING FULCRUMING SAID FEELER ROD INCLUDING A WOBBLE PLATE FIXEDLY MOUNTED ON THE FEELER ROD AND A RING SECURED WITHIN THE CASING AGAINST WHICH SAID PLATE BEARS; (D) A CONTACT ACTUATED BY SAID FEELER ROD WHEN SAID FEELER ROD IS DEFLECTED FROM A PREFERRED POSITION WITH RESPECT TO SAID GROOVE; (E) A PLURALITY OF SPACED CONTACTS SELECTIVELY ENGAGED BY SAID FIRST MENTIONED CONTACT IN ACCORDANCE WITH THE DIRECTION IN WHICH SAID FEELER ROD IS DEFLECTED; AND (F) MEANS ENERGIZED BY ENGAGEMENT OF SAID FIRST MENTIONED CONTACT WITH ANY ONE OF SAID SECOND MENTIONED CONTACTS FOR CAUSING SAID WELDING HEAD TO BE MOVED INTO A PREFERRED RELATIONSHIP WITH SAID GROOVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |