Patent US3259936A successfully refreshed from Google Patents.
US3259936A
Expired / Lapsed
US
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Door holder and control
Assignee: Eaton Corp
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Filing: 1964-05-05
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Granted: 1966-07-12
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Expires: 1984-05-05
Abstract
No abstract record available.
Inventors
- 👤 Vincent E Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:47
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/22; E05F3/221; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/32; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/624; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/282; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A DOOR CONTROL OF THE CLASS DESCRIBED, A DOOR CLOSER ADAPTED TO BE MOUNTED ON A DOOR, A CLOSER MAIN ARM AND FOREARM FOR CONNECTING THE DOOR CLOSER TO A DOOR FRAME, EACH OF SAID ARMS HAVING A PARTICULAR FIXED LENGTH, THERE BEING A FIRST PIVOT ABOUT WHICH SAID ARMS ROTATE RELATIVELY TO EACH OTHER DURING OPENING AND CLOSING MOVEMENTS OF THE DOOR, AND A FURTHER PIVOT BETWEEN THE FOREARMS AND DOOR FRAME, A STOP PORTION ON ONE OF SAID ARMS FOR ENGAGING THE OTHER ARM AS SAID STOP PORTION ABOUT THE FIRST PIVOT, OPPOSED SIDES ON SAID STOP PORTION EACH EFFECTIVE TO LIMIT THE RELATIVE ROTATION OF THE ARMS IN ONE DIRECTION TO AN EXTENDED POSITION FOR LIMITING THE DOOR OPENING MOVEMENT, AND MEANS MOUNTING SAID FURTHER PIVOT FOR YIELDING MOVEMENT IN A DIRECTION AT RIGHT ANGLES RELATIVELY TO THE DOOR FRAME WHEREBY TO CUSHION THE ACTION OF SAID STOP PORTION WHILE PERMITTING EFFECTIVE DOOR CLOSER OPERATION WHETHER THE CLOSER IN INSTALLED ON A RIGHT-HAND OR LEFT-HAND DOOR.
Claim 2
Dependent Claim
170 words
IN A DOOR CONTROL OF THE CLASS DESCRIBED, A DOOR CLOSER ADAPTED TO BE MOUNTED ON A DOOR, A CLOSER MAIN ARM AND FOREARM FOR CONNECTING THE DOOR CLOSER TO A DOOR FRAME, EACH OF SAID ARMS HAVING A PARTICULAR FIXED LENGTH, THERE BEING A FIRST PIVOT ABOUT WHICH SAID ARMS ROTATE RELATIVELY TO EACH OTHER DURING OPENING AND CLOSING MOVEMENTS OF THE DOOR, AND A FURTHER PIVOT BETWEEN THE FOREARMS AND DOOR FRAME, A STOP PORTION ON ONE OF SAID ARMS FOR ENGAGING THE OTHER ARM AS SAID STOP PORTION ABOUT THE FIRST PIVOT, OPPOSED SIDES ON SAID STOP PORTION EACH EFFECTIVE TO LIMIT THE RELATIVE ROTATION OF THE ARMS IN ONE DIRECTION TO AN EXTENDED POSITION FOR LIMITING THE DOOR OPENING MOVEMENT, AND MEANS MOUNTING SAID FURTHER PIVOT FOR YIELDING MOVEMENT IN A DIRECTION AT RIGHT ANGLES RELATIVELY TO THE DOOR FRAME WHEREBY TO CUSHION THE ACTION OF SAID STOP PORTION WHILE PERMITTING EFFECTIVE DOOR CLOSER OPERATION WHETHER THE CLOSER IN INSTALLED ON A RIGHT-HAND OR LEFT-HAND DOOR.
References Cited (Backward Citations)
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US1827595A
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |