Patent US1462638A successfully refreshed from Google Patents.
Patent US3253490A successfully refreshed from Google Patents.
US3253490A
Expired / Lapsed
US
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Die accelerator mechanism
Assignee: Individual
•
Filing: 1965-02-19
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Granted: 1966-05-31
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Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Bodnar Ernest Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:01
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4659; Y10T83/4757; Y10T83/4763
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
CUT-OFF DIE APPARATUS FOR USE IN ASSOCIATION WITH A SHEET METAL WORKING LINE FOR SHEARING SHEET METAL TO PREDETERMINED LENGTHS WHILE MOVING ALONG SAID LINE, SAID APPARATUS COMPRISING: A DIE PRESS INCLUDING A PRESS OPERATING MECHANISM; A CUT-OFF DIE CARRIAGE MEANS RECIPROCABLY MOUNTED IN SAID PRESS FOR FORWARD AND RETURN MOVEMENT; AT LEAST TWO RACK MEMBERS CONNECTED TO SAID CARRIAGE MEANS IN SPACED APART PARALLEL RELATION; PINION MEMBERS ENGAGING RESPECTIVE SAID RACK MEMBERS AND HAVING A POWER SOURCE CONNECTABLE THERETO; A LENGTH SENSOR LOCATED IN THE PATH OF SAID SHEET METAL DELIVERING A TRIGGERING SIGNAL TO SAID POWER SOURCE; PNEUMATIC CYLINDER MEANS CONNECTED TO SAID CARRIAGE MEANS AND HAVING VALVE CONTROL MEANS THEREFOR; SWITCH MEANS RESPONSIVE TO ACCELERATION OF SAID DIE CARRIAGE MEANS TO TRIGGER SAID DIE PRESS OPERATING MECHANISM; AND SWITCH MEANS RESPONSIVE TO OPERATION OF SAID DIE PRESS TO TRIGGER SAID PNEUMATIC CYLINDER.
Claim 2
Dependent Claim
145 words
CUT-OFF DIE APPARATUS FOR USE IN ASSOCIATION WITH A SHEET METAL WORKING LINE FOR SHEARING SHEET METAL TO PREDETERMINED LENGTHS WHILE MOVING ALONG SAID LINE, SAID APPARATUS COMPRISING: A DIE PRESS INCLUDING A PRESS OPERATING MECHANISM; A CUT-OFF DIE CARRIAGE MEANS RECIPROCABLY MOUNTED IN SAID PRESS FOR FORWARD AND RETURN MOVEMENT; AT LEAST TWO RACK MEMBERS CONNECTED TO SAID CARRIAGE MEANS IN SPACED APART PARALLEL RELATION; PINION MEMBERS ENGAGING RESPECTIVE SAID RACK MEMBERS AND HAVING A POWER SOURCE CONNECTABLE THERETO; A LENGTH SENSOR LOCATED IN THE PATH OF SAID SHEET METAL DELIVERING A TRIGGERING SIGNAL TO SAID POWER SOURCE; PNEUMATIC CYLINDER MEANS CONNECTED TO SAID CARRIAGE MEANS AND HAVING VALVE CONTROL MEANS THEREFOR; SWITCH MEANS RESPONSIVE TO ACCELERATION OF SAID DIE CARRIAGE MEANS TO TRIGGER SAID DIE PRESS OPERATING MECHANISM; AND SWITCH MEANS RESPONSIVE TO OPERATION OF SAID DIE PRESS TO TRIGGER SAID PNEUMATIC CYLINDER.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |