US3371483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control system
Assignee: Globe Tool and Engineering Co
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Filing: 1966-05-23
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Granted: 1968-03-05
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Robert C Gray
- 👤 Lawrence A Shively
- 👤 Otto F Steinke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:22
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/08; H02K15/09; D; D01; D01H; D01H1/00; D01H1/14; D01H1/20; D01H1/28; D01H1/30; D01H1/305; F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A WINDING MACHINE, A DRIVE MECHANISM COMPRISING: A ROTATABLE SHAFT; A HYDRAULIC MOTOR HAVING AN OUTPUT SHAFT DRIVINGLY CONNECTED TO SAID ROTATABLE SHAFT; A HYDRAULIC PUMP HYDRAULICALLY CONNECTED TO SAID MOTOR, SAID PUMP INCLUDING A ROTATABLE CONTROL STEM WHICH MAY BE ROTATED ABOUT A PREDETERMINED AXIS TO VARY THE SPACED AND DIRECTION OF ROTATION OF SAID MOTOR; A SPEED CONTROL DEVICE INCLUDING A CONTROL LEVER CONNECTED TO SAID STEM, FIRST MEANS FOR SELECTIVELY ROTATING SAID LEVER THROUGH A PREDETERMINED ANGLE ABOUT SAID AXIS IN EITHER ONE DIRECTION OR THE OPPOSITE DIRECTION ABOUT SAID AXIS, AND SECOND MEANS FOR ROTATING SAID LEVER THROUGH AN ADDITIONAL ANGLE IN AT LEAST ONE OF SAID DIRECTIONS; AND MEANS INCLUDING SWITCH MEANS OPERATING IN RESPONSE TO ROTATION OF SAID ROTATABLE SHAFT CONTROLLING THE OPERATION OF SAID FIRST MEANS AND SAID SECOND MEANS.
Claim 2
Dependent Claim
138 words
IN A WINDING MACHINE, A DRIVE MECHANISM COMPRISING: A ROTATABLE SHAFT; A HYDRAULIC MOTOR HAVING AN OUTPUT SHAFT DRIVINGLY CONNECTED TO SAID ROTATABLE SHAFT; A HYDRAULIC PUMP HYDRAULICALLY CONNECTED TO SAID MOTOR, SAID PUMP INCLUDING A ROTATABLE CONTROL STEM WHICH MAY BE ROTATED ABOUT A PREDETERMINED AXIS TO VARY THE SPACED AND DIRECTION OF ROTATION OF SAID MOTOR; A SPEED CONTROL DEVICE INCLUDING A CONTROL LEVER CONNECTED TO SAID STEM, FIRST MEANS FOR SELECTIVELY ROTATING SAID LEVER THROUGH A PREDETERMINED ANGLE ABOUT SAID AXIS IN EITHER ONE DIRECTION OR THE OPPOSITE DIRECTION ABOUT SAID AXIS, AND SECOND MEANS FOR ROTATING SAID LEVER THROUGH AN ADDITIONAL ANGLE IN AT LEAST ONE OF SAID DIRECTIONS; AND MEANS INCLUDING SWITCH MEANS OPERATING IN RESPONSE TO ROTATION OF SAID ROTATABLE SHAFT CONTROLLING THE OPERATION OF SAID FIRST MEANS AND SAID SECOND MEANS.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |