Patent US4859985A successfully refreshed from Google Patents.
Patent US3583012A successfully refreshed from Google Patents.
US3583012A
Expired / Lapsed
US
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Machine for manufacturing bolts,nuts and the like articles
Assignee: Nedschroef Octrooi Maatschappij NV
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Filing: 1968-10-17
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Granted: 1971-06-08
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Expires: 1988-10-17
Abstract
Abstract THE MACHINE DESCRIBED COMPRISES A RECIPROCABLE CARRIER MEMBER FOR MOVING WORKPIECE GRIPPING MECHANISM ALONG A SERIES OF DIES WHEREIN THE CARRIER MEMBER IS SUSPENDED AND GUIDED BY A PAIR OF SPACED, LONG, WIDE PLATE OR LEAF SPRING LEVERS, THE SPRING LEVERS BEING ARRANGED IN PARALLEL AND IN POSITION TO ACT IN UNISION TO SLOW DOWN OR BRAKE THE MOVEMENT OF THE CARRIER MEMBER AS IT APPROACHES EITHER OF ITS EXTREME POSITIONS AND TO ACCELERATE THE MOVEMENT, OR OVERCOME THE INERTIA OF THE CARRIER AS IT LEAVES ITS EXTREME POSITIONS. IN THIS CONSTRUCTION THE CARRIER MEMBER IS MOVABLE FREELY ON ROLLERS AND WITHOUT BEARINGS OR SLIDING SURFACES.
Inventors
- 👤 Gerardus Cornelis V Meerendonk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:54
CPC Classifications
B; B21; B21K; B21K27/00; B21K27/02; B21K27/04; B23; B23Q; B23Q7/00; B23Q2707/00; B23Q2707/006
Claims Analysis
Total Claims: 0
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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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |