Patent US3240310A successfully refreshed from Google Patents.
US3240310A
Expired / Lapsed
US
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Safety device for fluid operated press including safety device comprising contact bar and microswitch apparatus
Assignee: EA Adams and Son Inc
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Filing: 1963-10-02
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Granted: 1966-03-15
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Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Stewart J Sandeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:59
CPC Classifications
F; F16; F16P; F16P3/00; F16P3/001; F16P3/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A FLUID OPERATED PRESS HAVING A VERTICALLY RECIPROCATING RAM AND A SOLENOID OPERATED VALVE FOR CONTROLLING SAID RAM, A SAFETY DEVICE COMPRISING A ROD MOUNTED ON SAID RAM FOR VERTICAL SLIDING MOVEMENT, A CONTACT BAR MOUNTED AT THE BOTTOM END OF SAID ROD AND POSITIONED BELOW THE BOTTOM OF SAID RAM, A MICRO-SWITCH MOUNTED ON SAID RAM AND REVERSING SAID VALVE TO RAISE SAID RAM ON OPERATION OF SAID SWITCH, THE UPPER END OF SAID ROD BEING IN CONTACT WITH THE OPERATING BUTTON OF SAID SWITCH, SAID MICRO-SWITCH BEING MOUNTED ON SAID RAM FOR LIMITED VERTICAL SLIDING MOVEMENT TO PROVIDE A YIELDING VERTICAL MOVEMENT OF SAID SWITCH.
Claim 2
Dependent Claim
107 words
A FLUID OPERATED PRESS HAVING A VERTICALLY RECIPROCATING RAM AND A SOLENOID OPERATED VALVE FOR CONTROLLING SAID RAM, A SAFETY DEVICE COMPRISING A ROD MOUNTED ON SAID RAM FOR VERTICAL SLIDING MOVEMENT, A CONTACT BAR MOUNTED AT THE BOTTOM END OF SAID ROD AND POSITIONED BELOW THE BOTTOM OF SAID RAM, A MICRO-SWITCH MOUNTED ON SAID RAM AND REVERSING SAID VALVE TO RAISE SAID RAM ON OPERATION OF SAID SWITCH, THE UPPER END OF SAID ROD BEING IN CONTACT WITH THE OPERATING BUTTON OF SAID SWITCH, SAID MICRO-SWITCH BEING MOUNTED ON SAID RAM FOR LIMITED VERTICAL SLIDING MOVEMENT TO PROVIDE A YIELDING VERTICAL MOVEMENT OF SAID SWITCH.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |