US3336611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination rotary tools
Assignee: Individual
•
Filing: 1966-03-01
•
Granted: 1967-08-22
•
Expires: 1986-03-01
Abstract
No abstract record available.
Inventors
- 👤 Robert M Schepp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:51
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/007; B25F; B25F3/00; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/892; Y10T408/8925; Y10T408/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A TOOL FOR DRILLING A HOLE IN A WORKPIECE AND DRIVING A HEADED SCREW THEREIN, COMPRISING, IN COMBINATION, A ROTATABLE MANDREL OF NON CIRCULAR CROSS SECTION HAVING ONE END DRIVINGLY ENGAGEABLE IN A POWER UNIT, THE OTHER END OF SID MANDREL HAVING A SOCKET ADAPTED TO HAVE A DRILL BIT REMOABLY SECURED THEREIN, A SLEEVE TELESCOPICALLY SLIDABLE ON SAID MANDREL IN SPLINED DRIVING ENGAGEMENT THEREWITH AND MOVABLE BETWEEN RETRACTED AND ADVANCED POSITIONS, A WRENCH SOCKET HEAD ATTACHED TO THE END OF SAID SLEEVE AND HAVING AN AXIAL OPENING ADAPTED TO RECEIVE THE DRILL BIT THERETHROUGH, SAID SLEEVE WHEN IN RETRACTED POSITION EXPOSING SAID DRILL BIT FOR EFFECTING A DRILLING OPERATION, AND SAID SLEEVE WHEN IN ADVANCED POSITION HAVING ITS WRENCH SOCKET PROJECTING BEYOND SAID DRILL BIT AND ADAPTED TO ENGAGE THE HEAD OF THE SCREW FOR DRIVING THE SCREW INTO THE HOLE.
Claim 2
Dependent Claim
142 words
A TOOL FOR DRILLING A HOLE IN A WORKPIECE AND DRIVING A HEADED SCREW THEREIN, COMPRISING, IN COMBINATION, A ROTATABLE MANDREL OF NON CIRCULAR CROSS SECTION HAVING ONE END DRIVINGLY ENGAGEABLE IN A POWER UNIT, THE OTHER END OF SID MANDREL HAVING A SOCKET ADAPTED TO HAVE A DRILL BIT REMOABLY SECURED THEREIN, A SLEEVE TELESCOPICALLY SLIDABLE ON SAID MANDREL IN SPLINED DRIVING ENGAGEMENT THEREWITH AND MOVABLE BETWEEN RETRACTED AND ADVANCED POSITIONS, A WRENCH SOCKET HEAD ATTACHED TO THE END OF SAID SLEEVE AND HAVING AN AXIAL OPENING ADAPTED TO RECEIVE THE DRILL BIT THERETHROUGH, SAID SLEEVE WHEN IN RETRACTED POSITION EXPOSING SAID DRILL BIT FOR EFFECTING A DRILLING OPERATION, AND SAID SLEEVE WHEN IN ADVANCED POSITION HAVING ITS WRENCH SOCKET PROJECTING BEYOND SAID DRILL BIT AND ADAPTED TO ENGAGE THE HEAD OF THE SCREW FOR DRIVING THE SCREW INTO THE HOLE.
References Cited (Backward Citations)
US1333437A
Cited
US1318088A
Cited
US1677473A
Cited
GB414887A
Cited
FR1222942A
Cited
US3049952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |