US3330164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe rotating device with gear shift arrangement
Assignee: Wilson Manufacturing Co
•
Filing: 1964-12-15
•
Granted: 1967-07-11
•
Expires: 1984-12-15
Abstract
No abstract record available.
Inventors
- 👤 Wilson John Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:56
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/16; E21B19/161; E21B19/164; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19051; Y10T74/19056; Y10T74/19219; Y10T74/19242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
IN A POWER SUB FOR ROTATING DRILL PIPE AND THE LIKE; (A) A MOUNTING PLATE, (B) A HOUSING MOUNTED ON SAID MOUNTING PLATE, (C) A HOLLOW SHAFT EXTENDING THROUGH SAID MOUNTING PLATE AND SAID HOUSING AND BEING JOURNALED THEREIN, (D) A GEAR FIXEDLY MOUNTED ON SAID HOLLOW SHAFT, (E) A COUNTERSHAFT MOUNTED WITHIN SAID HOUSING IN JOURNALED RELATION, (F) A GEAR MOUNTED ON SAID COUNTERSHAFT IN LONGITUDINAL SLIDING RELATION THERETO AND BEING FIXED AGAINST RELATIVE ROTATION WITH RESPECT THERETO, (G) SHIFT MEANS CONNECTED TO SAID GEAR ON SAID COUNTERSHAFT TO MOVE SAID GEAR LONGITUDINALLY THEREOF WHILE SAID GEAR IS MAINTAINED IN RELATIVE, NON-ROTATABLE RELATION WITH RESPECT TO SAID COUNTERSHAFT, (H) FLUID ACTUATED MEANS CONNECTED TO SAID SHIFT MEANS TO MOVE SAID GEAR LONGITUDINALLY ON SAID COUNTERSHAFT INTO MESHED ENGAGEMENT WITH SAID GEAR ON SAID HOLLOW SHAFT, WHEN SAID SHIFT MEANS IS IN ONE POSITION, AND TO MOVE SAID GEAR ON SAID COUNTERSHAFT OUT OF MESHED ENGAGEMENT WITH SAID GEAR ON SAID HOLLOW SHAFT, WHEN SAID SHIFT MEANS IS IN ANOTHER POSITION, (I) A MOTOR MOUNTED ON SAID MOUNTING PLATE, AND (J) TRANSMISSION MEANS CONNECTING SAID MOTOR IN DRIVING RELATION WITH SAID COUNTERSHAFT TO OPERATIVELY ROTATE SAID COUNTERSHAFT AND SAID GEAR THEREON.
Claim 2
Dependent Claim
201 words
IN A POWER SUB FOR ROTATING DRILL PIPE AND THE LIKE; (A) A MOUNTING PLATE, (B) A HOUSING MOUNTED ON SAID MOUNTING PLATE, (C) A HOLLOW SHAFT EXTENDING THROUGH SAID MOUNTING PLATE AND SAID HOUSING AND BEING JOURNALED THEREIN, (D) A GEAR FIXEDLY MOUNTED ON SAID HOLLOW SHAFT, (E) A COUNTERSHAFT MOUNTED WITHIN SAID HOUSING IN JOURNALED RELATION, (F) A GEAR MOUNTED ON SAID COUNTERSHAFT IN LONGITUDINAL SLIDING RELATION THERETO AND BEING FIXED AGAINST RELATIVE ROTATION WITH RESPECT THERETO, (G) SHIFT MEANS CONNECTED TO SAID GEAR ON SAID COUNTERSHAFT TO MOVE SAID GEAR LONGITUDINALLY THEREOF WHILE SAID GEAR IS MAINTAINED IN RELATIVE, NON-ROTATABLE RELATION WITH RESPECT TO SAID COUNTERSHAFT, (H) FLUID ACTUATED MEANS CONNECTED TO SAID SHIFT MEANS TO MOVE SAID GEAR LONGITUDINALLY ON SAID COUNTERSHAFT INTO MESHED ENGAGEMENT WITH SAID GEAR ON SAID HOLLOW SHAFT, WHEN SAID SHIFT MEANS IS IN ONE POSITION, AND TO MOVE SAID GEAR ON SAID COUNTERSHAFT OUT OF MESHED ENGAGEMENT WITH SAID GEAR ON SAID HOLLOW SHAFT, WHEN SAID SHIFT MEANS IS IN ANOTHER POSITION, (I) A MOTOR MOUNTED ON SAID MOUNTING PLATE, AND (J) TRANSMISSION MEANS CONNECTING SAID MOTOR IN DRIVING RELATION WITH SAID COUNTERSHAFT TO OPERATIVELY ROTATE SAID COUNTERSHAFT AND SAID GEAR THEREON.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |