US3241402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill breakage detector
Assignee: Motors Liquidation Co
•
Filing: 1963-07-01
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Granted: 1966-03-22
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Millard D Crowell
- 👤 Nicula George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:07
CPC Classifications
B; B23; B23B; B23B49/00; B23B49/001; Y; Y10; Y10T; Y10T408/00; Y10T408/13; Y10T408/14; Y10T408/18; Y10T408/36; Y10T408/38; Y10T408/3844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A TOOL BREAKAGE DETECTOR FOR CONTROLLING THE POWER SOURCE OF A MACHINE COMPRISING: A MACHINE HAVING AN ELECTRIC MOTOR DRIVINGLY CONNECTED THERETO, A POWER SOURCE CONNECTED TO SAID MOTOR, A TOOL GUIDE PLATE MOUNTED ON SAID MACHINE, A RECIPROCATING TOOL HEAD OPERABLY CONNECTED TO SAID MACHINE FOR MOVEMENT TOWARD AND AWAY FROM SAID GUIDE PLATE, A TOOL OPERABLY MOUNTED IN SAID TOOL HEAD FOR RECIPROCAL MOVEMENT THEREWITH, A GUIDE BUSHING MOUNTED ON SAID GUIDE PLATE FOR RECEIVING SAID TOOL AND FOR GUIDING SAID TOOL DURING RECIPROCATING MOVEMENT THEREOF, AND MEANS INCLUDING A PNEUMATIC-ELECTRICAL CONTROL SYSTEM TERMINATING IN SAID GUIDE BUSHING FOR CONTROLLING THE CONNECTION OF SAID POWER SOURCE TO SAID MOTOR WHEN SAID TOOL OPERABLY BLOCKS THE OPENING OF SAID SYSTEM IN SAID BUSHING.
Claim 2
Dependent Claim
124 words
A TOOL BREAKAGE DETECTOR FOR CONTROLLING THE POWER SOURCE OF A MACHINE COMPRISING: A MACHINE HAVING AN ELECTRIC MOTOR DRIVINGLY CONNECTED THERETO, A POWER SOURCE CONNECTED TO SAID MOTOR, A TOOL GUIDE PLATE MOUNTED ON SAID MACHINE, A RECIPROCATING TOOL HEAD OPERABLY CONNECTED TO SAID MACHINE FOR MOVEMENT TOWARD AND AWAY FROM SAID GUIDE PLATE, A TOOL OPERABLY MOUNTED IN SAID TOOL HEAD FOR RECIPROCAL MOVEMENT THEREWITH, A GUIDE BUSHING MOUNTED ON SAID GUIDE PLATE FOR RECEIVING SAID TOOL AND FOR GUIDING SAID TOOL DURING RECIPROCATING MOVEMENT THEREOF, AND MEANS INCLUDING A PNEUMATIC-ELECTRICAL CONTROL SYSTEM TERMINATING IN SAID GUIDE BUSHING FOR CONTROLLING THE CONNECTION OF SAID POWER SOURCE TO SAID MOTOR WHEN SAID TOOL OPERABLY BLOCKS THE OPENING OF SAID SYSTEM IN SAID BUSHING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |