Patent US3137905A successfully refreshed from Google Patents.
US3137905A
Expired / Lapsed
US
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Ejecting mechanism for die casting machines
Assignee: GERITY SCHULTZ CORP
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Filing: 1961-06-26
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Granted: 1964-06-23
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Harold G Steinman
- 👤 Robert D Pease
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B22; B22D; B22D17/00; B22D17/20; B22D17/22; B22D17/2236
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A DIE CASTING MACHINE HAVING RELATIVELY MOVABLE DIES BETWEEN WHICH THE CASTING IS FORMED, AN ELONGATE HORIZONTALLY DISPOSED PIN MOUNTED FOR TO AND FRO AXIAL SLIDING MOVEMENTS IN ONE DIE, A CUT-AWAY PORTION ON THE OUTER END OF SAID PIN AND ON THE UPPER PORTION THEREOF WHEN THE PIN IS IN CASTING POSITION SAID PIN BEING DISPOSED ABOVE THE CASTING CAVITY IN THE DIES AND A GATE BEING PROVIDED TO ENABLE MOLTEN METAL TO FLOW TO SAID RECESS FOR CASTING A SUSPENDING FINGER ON THE END PORTION OF SAID PIN AT THE UPPER END OF THE MAIN CASTING WHEN THE LATTER IS CAST, MEANS TO AXIALLY ADVANCE SAID PIN TO DISPOSED AND SUSPEND THE CASTING IN A FREE POSITION BETWEEN THE DIES WHEN THE LATTER ARE SEPARATED, AND MEANS TO ROTATE THE PIN WHEREBY THE CASTING DROPS OFF THE PIN.
Claim 2
Dependent Claim
141 words
IN A DIE CASTING MACHINE HAVING RELATIVELY MOVABLE DIES BETWEEN WHICH THE CASTING IS FORMED, AN ELONGATE HORIZONTALLY DISPOSED PIN MOUNTED FOR TO AND FRO AXIAL SLIDING MOVEMENTS IN ONE DIE, A CUT-AWAY PORTION ON THE OUTER END OF SAID PIN AND ON THE UPPER PORTION THEREOF WHEN THE PIN IS IN CASTING POSITION SAID PIN BEING DISPOSED ABOVE THE CASTING CAVITY IN THE DIES AND A GATE BEING PROVIDED TO ENABLE MOLTEN METAL TO FLOW TO SAID RECESS FOR CASTING A SUSPENDING FINGER ON THE END PORTION OF SAID PIN AT THE UPPER END OF THE MAIN CASTING WHEN THE LATTER IS CAST, MEANS TO AXIALLY ADVANCE SAID PIN TO DISPOSED AND SUSPEND THE CASTING IN A FREE POSITION BETWEEN THE DIES WHEN THE LATTER ARE SEPARATED, AND MEANS TO ROTATE THE PIN WHEREBY THE CASTING DROPS OFF THE PIN.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |