US3397799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work transfer mechanism
Assignee: Livernois Engineering Co
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Filing: 1966-10-06
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Granted: 1968-08-20
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Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Wallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:58
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/05; B21D43/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A WORK TRANSFER DEVICE FOR A PRESS HAVING A RECIPROCATING RAM, SAID DEVICE BEING OF THE TYPE DRIVEN BY THE RAM AND HAVING A CARRIAGE MOUNTED FOR RECIPROCATION IN A RECTILINEAR PATH AND A WORK GRIPPING ELEMENT MOUNTED ON THE CARRIAGE FOR BODILY MOVEMENT THEREWITH AND FOR RECIPROCATION ON THE CARRIAGE IN A DIRECTION GENERALLY TRANSVERSE TO THE PATH OF TRAVEL OF THE CARRIAGE SUCH THAT WHEN THE CARRIAGE IS ADJACENT ONE END OF ITS STROKE, THE WORK GRIPPING ELEMENT IS ADAPTED TO BE PROJECTED INTO ENGAGEMENT WITH A WORKPIECE, WHEREUPON THE CARRIAGE IS ADAPTED TO BE ACTUATED TO ADVANCE THE WORKPIECE IN THE DIRECTION OF CARRIAGE TRAVEL, THE WORK GRIPPING ELEMENT BEING ADAPTED TO BE RETRACTED OUT OF ENGAGEMENT WITH THE WORKPIECE ADJACENT THE OPPOSITE END OF THE CARRIAGE STROKE TO ENABLE THE CARRIAGE TO BE RETURNED TO ITS STARTING POSITION, THAT IMPROVEMENT WHICH COMPRISES DRIVE MEANS, MEANS FOR OPERABLY CONNECTING SAID DRIVE MEANS WITH THE RAM OF A PRESS, MEANS FOR SUPPORTING SAID DRIVE MEANS FOR AXIAL RECIPROCATION IN A ROTATABLY FIXED POSITION, DRIVEN
Claim 2
Dependent Claim
177 words
IN A WORK TRANSFER DEVICE FOR A PRESS HAVING A RECIPROCATING RAM, SAID DEVICE BEING OF THE TYPE DRIVEN BY THE RAM AND HAVING A CARRIAGE MOUNTED FOR RECIPROCATION IN A RECTILINEAR PATH AND A WORK GRIPPING ELEMENT MOUNTED ON THE CARRIAGE FOR BODILY MOVEMENT THEREWITH AND FOR RECIPROCATION ON THE CARRIAGE IN A DIRECTION GENERALLY TRANSVERSE TO THE PATH OF TRAVEL OF THE CARRIAGE SUCH THAT WHEN THE CARRIAGE IS ADJACENT ONE END OF ITS STROKE, THE WORK GRIPPING ELEMENT IS ADAPTED TO BE PROJECTED INTO ENGAGEMENT WITH A WORKPIECE, WHEREUPON THE CARRIAGE IS ADAPTED TO BE ACTUATED TO ADVANCE THE WORKPIECE IN THE DIRECTION OF CARRIAGE TRAVEL, THE WORK GRIPPING ELEMENT BEING ADAPTED TO BE RETRACTED OUT OF ENGAGEMENT WITH THE WORKPIECE ADJACENT THE OPPOSITE END OF THE CARRIAGE STROKE TO ENABLE THE CARRIAGE TO BE RETURNED TO ITS STARTING POSITION, THAT IMPROVEMENT WHICH COMPRISES DRIVE MEANS, MEANS FOR OPERABLY CONNECTING SAID DRIVE MEANS WITH THE RAM OF A PRESS, MEANS FOR SUPPORTING SAID DRIVE MEANS FOR AXIAL RECIPROCATION IN A ROTATABLY FIXED POSITION, DRIVEN
References Cited (Backward Citations)
GB847329A
Cited
US3135395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |