Patent US3263758A successfully refreshed from Google Patents.
US3263758A
Expired / Lapsed
US
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Drill mount connection
Assignee: Ingersoll Rand Co
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Filing: 1964-02-21
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Granted: 1966-08-02
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Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Alois A Buehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:30
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02; E21B7/025; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A DRILL RIG, THE COMBINATION COMPRISING: (A) A DRILL MEMBER; (B) A MOUNT MEMBER; (C) A CRANK PIVOTED TO SAID MOUNT MEMBER ABOUT A FIRST AXIS AND PIVOTED TO SAID DRILL MEMBER ABOUT A SECOND AXIS SPACED FROM THE FIRST AXIS; (D) POWER MEANS CONNECTED BETWEEN SAID CRANK AND ONE OF SAID MEMBERS FOR ROTATING SAID CRANK THROUGH AN ARC OF AT LEAST 90 DEGREES RELATIVE TO SAID ONE MEMBER; AND (E) A LINK CONNECTED BETWEEN BOTH MEMBERS AND PIVOTED TO BOTH FOR FORCING SAID CRANK TO ROTATE RELATIVE TO THE OTHER MEMBER THROUGH A SUBSTANTIAL ARC AS IT ROTATES RELATIVE TO SAID ONE MEMBER 90 DEGREES.
Claim 2
Dependent Claim
108 words
IN A DRILL RIG, THE COMBINATION COMPRISING: (A) A DRILL MEMBER; (B) A MOUNT MEMBER; (C) A CRANK PIVOTED TO SAID MOUNT MEMBER ABOUT A FIRST AXIS AND PIVOTED TO SAID DRILL MEMBER ABOUT A SECOND AXIS SPACED FROM THE FIRST AXIS; (D) POWER MEANS CONNECTED BETWEEN SAID CRANK AND ONE OF SAID MEMBERS FOR ROTATING SAID CRANK THROUGH AN ARC OF AT LEAST 90 DEGREES RELATIVE TO SAID ONE MEMBER; AND (E) A LINK CONNECTED BETWEEN BOTH MEMBERS AND PIVOTED TO BOTH FOR FORCING SAID CRANK TO ROTATE RELATIVE TO THE OTHER MEMBER THROUGH A SUBSTANTIAL ARC AS IT ROTATES RELATIVE TO SAID ONE MEMBER 90 DEGREES.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |