US3076513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power conveying drive means
Assignee: Individual
•
Filing: 1960-06-21
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Granted: 1963-02-05
•
Expires: 1980-06-21
Abstract
No abstract record available.
Inventors
- 👤 William G Heaphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:22
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/24; E21B7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A POWER CONVEYING DRIVE MEANS IN COMBINATION, A CASING, PLUG MEANS CLOSING THE OPPOSITE ENDS OF SAID CASING AND ONE OF SAID PLUG MEANS CONSTITUTING A GROUND ENGAGING BIT BORED TO PROVIDE FLUID PASSAGES THEREIN, A HOLLOW VIBRATOR MEANS HAVING AN OFFSET PORTION ROTATABLY MOUNTED IN SAID CASING, A HOLLOW TOOL DRIVE SHAFT FOR ROTATING SAID VIBRATOR MEANS, BEARINGS IN SAID CASING IN WHICH THE VIBRATOR AND THE TOOL DRIVE SHAFT ARE SUPPORTED, A MOTOR HAVING A HOLLOW MOTOR DRIVE SHAFT AND TO ONE END OF WHICH SAID HOLLOW DRIVE TOOL SHAFT IS ATTACHED, MEANS ATTACHED TO THE OTHER END OF SAID MOTOR DRIVE SHAFT FOR SUPPLYING A FLUID TO THE BIT THROUGH THE MOTOR SHAFT, THE TOOL DRIVE SHAFT AND THE VIBRATING MEANS, AND ARMORED CONDUIT MEANS CONNECTING THE MOTOR AND SAID CASING AND CONSTITUTING A HOUSING FOR SAID TOOL DRIVE SHAFT.
Claim 2
Dependent Claim
144 words
IN A POWER CONVEYING DRIVE MEANS IN COMBINATION, A CASING, PLUG MEANS CLOSING THE OPPOSITE ENDS OF SAID CASING AND ONE OF SAID PLUG MEANS CONSTITUTING A GROUND ENGAGING BIT BORED TO PROVIDE FLUID PASSAGES THEREIN, A HOLLOW VIBRATOR MEANS HAVING AN OFFSET PORTION ROTATABLY MOUNTED IN SAID CASING, A HOLLOW TOOL DRIVE SHAFT FOR ROTATING SAID VIBRATOR MEANS, BEARINGS IN SAID CASING IN WHICH THE VIBRATOR AND THE TOOL DRIVE SHAFT ARE SUPPORTED, A MOTOR HAVING A HOLLOW MOTOR DRIVE SHAFT AND TO ONE END OF WHICH SAID HOLLOW DRIVE TOOL SHAFT IS ATTACHED, MEANS ATTACHED TO THE OTHER END OF SAID MOTOR DRIVE SHAFT FOR SUPPLYING A FLUID TO THE BIT THROUGH THE MOTOR SHAFT, THE TOOL DRIVE SHAFT AND THE VIBRATING MEANS, AND ARMORED CONDUIT MEANS CONNECTING THE MOTOR AND SAID CASING AND CONSTITUTING A HOUSING FOR SAID TOOL DRIVE SHAFT.
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |