Patent US2749782A successfully refreshed from Google Patents.
US2749782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic apparatus for feeding stock to point swager or the like
Assignee: Babcock and Wilcox Co
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Filing: 1950-06-30
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Granted: 1956-06-12
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Expires: 1970-06-30
Abstract
No abstract record available.
Inventors
- 👤 David A Edgecombe
- 👤 Sidley O Evans
- 👤 Anthony T Laposki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:39
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
339 words
IN COMBINATION WITH A MACHINE FOR TREATING THE ENDS OF ELONGATED METAL ARTICLES, HANDLING APPARATUS POSITIONED AND ARRANGED TO FEED THE ARTICLES TO THE MACHINE FOR TREATMENT AND COMPRISING GRIP MEANS ARRANGED TO RECEIVE AND GRIP AN ARTICLE AND MOVABLE, IN ALIGNMENT WITH THE ARTICLE, TOWARD AND AWAY FROM THE MACHINE; FIRST OPERATING MEANS FOR ADVANCING AND RETRACTING SAID GRIP MEANS RELATIVE TO THE MACHINE; SECOND OPERATING MEANS FOR OPENING AND CLOSING SAID GRIP MEANS ON AN ARTICLE; A FIRST CONTROL ELEMENT OPERABLE BY AN ARTICLE RECEIVED IN SAID GRIP MEANS; A SECOND CONTROL ELEMENT OPERABLE BY SAID GRIP MEANS AT THE LIMIT OF RETRACTION OF THE LATTER; SAID FIRST AND SECOND CONTROL ELEMENTS, WHEN JOINTLY OPERATED, CONJOINTLY ACTUATING SAID SECOND OPERATING MEANS TO CLOSE SAID GRIP MEANS ON AN ARTICLE AND SAID FIRST OPERATING MEANS TO ADVANCE SAID GRIP MEANS TOWARD SAID MACHINE; A THIRD CONTROL ELEMENT OPERABLE BY SAID GRIP MEANS AT THE LIMIT OF ADVANCE THEREOF TO CONJOINTLY ACTUATE SAID SECOND OPERATING MEANS TO OPEN SAID GRIP MEANS AND SAID FIRST OPERATING MEANS TO RETRACT SAID GRIP MEANS FROM SAID MACHINE; WHEREBY, WHEN AN ARTICLE IS RECEIVED IN SAID GRIP MEANS, THE LATTER ARE CLYLICALLY CLOSED AND ADVANCED AND THEN OPENED AND RETRACTED TO FEED THE ARTICLE REPETITIVELY TOWARD THE MACHINE; AND A FOURTH CONTROL ELEMENT LOCATED IN THE PATH OF AN ARTICLE FED TO THE MACHINE AND OPERABLE BY THE ARTICLE WHEN A PREDETERMINED LENGTH OF THE END OF THE LATTER HAS BEEN TREATED; SAID FOURTH CONTROL ELEMENT, WHEN OPERATED BY THE ARTICLE, ACTUATING SAID SECOND OPERATING MEANS TO OPEN SAID GRIP MEANS; SAID THIRD CONTROL ELEMENT, WHEN OPERATED SUBSEQUENT TO OPERATION OF SAID FOURTH CONTROL ELEMENT, CONJOINTLY ACTUATING SAID SECOND OPERATING MEANS TO CLOSE SAID GRIP MEANS AND SAID FIRST OPERATING MEANS TO RETRACT SAID GRIP MEANS TO WITHDRAW THE ARTICLE FROM THE MACHINE; SAID SECOND CONTROL ELEMENT, WHEN OPERATED SUBSEQUENT TO OPERATION OF SAID FOURTH CONTROL ELEMENT, ACTUATING SAID SECOND OPERATING MEANS TO OPEN SAID GRIP MEANS AND DE-ACTIVATING SAID FIRST OPERATING MEANS.
Claim 2
Dependent Claim
339 words
IN COMBINATION WITH A MACHINE FOR TREATING THE ENDS OF ELONGATED METAL ARTICLES, HANDLING APPARATUS POSITIONED AND ARRANGED TO FEED THE ARTICLES TO THE MACHINE FOR TREATMENT AND COMPRISING GRIP MEANS ARRANGED TO RECEIVE AND GRIP AN ARTICLE AND MOVABLE, IN ALIGNMENT WITH THE ARTICLE, TOWARD AND AWAY FROM THE MACHINE; FIRST OPERATING MEANS FOR ADVANCING AND RETRACTING SAID GRIP MEANS RELATIVE TO THE MACHINE; SECOND OPERATING MEANS FOR OPENING AND CLOSING SAID GRIP MEANS ON AN ARTICLE; A FIRST CONTROL ELEMENT OPERABLE BY AN ARTICLE RECEIVED IN SAID GRIP MEANS; A SECOND CONTROL ELEMENT OPERABLE BY SAID GRIP MEANS AT THE LIMIT OF RETRACTION OF THE LATTER; SAID FIRST AND SECOND CONTROL ELEMENTS, WHEN JOINTLY OPERATED, CONJOINTLY ACTUATING SAID SECOND OPERATING MEANS TO CLOSE SAID GRIP MEANS ON AN ARTICLE AND SAID FIRST OPERATING MEANS TO ADVANCE SAID GRIP MEANS TOWARD SAID MACHINE; A THIRD CONTROL ELEMENT OPERABLE BY SAID GRIP MEANS AT THE LIMIT OF ADVANCE THEREOF TO CONJOINTLY ACTUATE SAID SECOND OPERATING MEANS TO OPEN SAID GRIP MEANS AND SAID FIRST OPERATING MEANS TO RETRACT SAID GRIP MEANS FROM SAID MACHINE; WHEREBY, WHEN AN ARTICLE IS RECEIVED IN SAID GRIP MEANS, THE LATTER ARE CLYLICALLY CLOSED AND ADVANCED AND THEN OPENED AND RETRACTED TO FEED THE ARTICLE REPETITIVELY TOWARD THE MACHINE; AND A FOURTH CONTROL ELEMENT LOCATED IN THE PATH OF AN ARTICLE FED TO THE MACHINE AND OPERABLE BY THE ARTICLE WHEN A PREDETERMINED LENGTH OF THE END OF THE LATTER HAS BEEN TREATED; SAID FOURTH CONTROL ELEMENT, WHEN OPERATED BY THE ARTICLE, ACTUATING SAID SECOND OPERATING MEANS TO OPEN SAID GRIP MEANS; SAID THIRD CONTROL ELEMENT, WHEN OPERATED SUBSEQUENT TO OPERATION OF SAID FOURTH CONTROL ELEMENT, CONJOINTLY ACTUATING SAID SECOND OPERATING MEANS TO CLOSE SAID GRIP MEANS AND SAID FIRST OPERATING MEANS TO RETRACT SAID GRIP MEANS TO WITHDRAW THE ARTICLE FROM THE MACHINE; SAID SECOND CONTROL ELEMENT, WHEN OPERATED SUBSEQUENT TO OPERATION OF SAID FOURTH CONTROL ELEMENT, ACTUATING SAID SECOND OPERATING MEANS TO OPEN SAID GRIP MEANS AND DE-ACTIVATING SAID FIRST OPERATING MEANS.
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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |