Patent US3172146A successfully refreshed from Google Patents.
US3172146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding door pivot pin retainers
Assignee: McKinney Manufacturing Co
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Filing: 1962-12-26
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Granted: 1965-03-09
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Lloyd R Dickinson
- 👤 William V Vessalo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:36
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E05D15/264; E05D15/266; E05D11/00; E05D11/10; E05D11/1028; E05D11/105; E05D11/1064; E05D3/00; E05D3/02; E05D3/022; E05D7/00; E05D7/04; E05D7/0415; E05D7/0423; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1246; E05F1/1253; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
AN ADJUSTMENT RETAINER FOR A VERTICAL PIVOT PIN OF A FOLDING DOOR, COMPRISING A BRACKET PROVIDED WITH AN ELONGATED HORIZONTAL BODY HAVING INNER AND OUTER ENDS AND ADAPTED TO BE MOUNTED IN A DOORWAY WITH ITS OUTER END ADJACENT A SIDE OF THE DOORWAY, SAID BODY BEING PROVIDED WITH A VERTICALLY OPENING LONGITUDINAL RECESS, A HORIZONTAL SCREW ROTATABLY MOUNTED IN SAID RECESS AND EXTENDING LENGTHWISE THEREOF AND HAVING A HEAD END ADJACENT THE INNER END OF SAID BODY, MEANS RESTRAINING LONGITUDINAL MOVEMENT OF THE SCREW, A BEARING IN SAID RECESS SLIDABLY MOUNTED ON SAID SCREW AND PROVIDED WITH A VERTICAL HOLE FOR RECEIVING A DOOR PIVOT PIN, A SPRING IN SAID RECESS BETWEEN ITS OUTER END AND SAID BEARING URGING THE BEARING TOWARD THE INNER END OF THE RECESS, A NUT MOUNTED ON THE SCREW IN ENGAGEMENT WITH THE SIDE OF THE BEARING OPPOSITE SAID SPRING, AN EDGE OF THE NUT ENGAGING THE BRACKET BODY TO HOLD THE NUT FROM ROTATING WHEN THE SCREW IS TURNED BY ITS HEAD END, WHEREBY THE BEARING CAN BE ADJUSTED LENGTHWISE OF SAID RECESS.
Claim 2
Dependent Claim
180 words
AN ADJUSTMENT RETAINER FOR A VERTICAL PIVOT PIN OF A FOLDING DOOR, COMPRISING A BRACKET PROVIDED WITH AN ELONGATED HORIZONTAL BODY HAVING INNER AND OUTER ENDS AND ADAPTED TO BE MOUNTED IN A DOORWAY WITH ITS OUTER END ADJACENT A SIDE OF THE DOORWAY, SAID BODY BEING PROVIDED WITH A VERTICALLY OPENING LONGITUDINAL RECESS, A HORIZONTAL SCREW ROTATABLY MOUNTED IN SAID RECESS AND EXTENDING LENGTHWISE THEREOF AND HAVING A HEAD END ADJACENT THE INNER END OF SAID BODY, MEANS RESTRAINING LONGITUDINAL MOVEMENT OF THE SCREW, A BEARING IN SAID RECESS SLIDABLY MOUNTED ON SAID SCREW AND PROVIDED WITH A VERTICAL HOLE FOR RECEIVING A DOOR PIVOT PIN, A SPRING IN SAID RECESS BETWEEN ITS OUTER END AND SAID BEARING URGING THE BEARING TOWARD THE INNER END OF THE RECESS, A NUT MOUNTED ON THE SCREW IN ENGAGEMENT WITH THE SIDE OF THE BEARING OPPOSITE SAID SPRING, AN EDGE OF THE NUT ENGAGING THE BRACKET BODY TO HOLD THE NUT FROM ROTATING WHEN THE SCREW IS TURNED BY ITS HEAD END, WHEREBY THE BEARING CAN BE ADJUSTED LENGTHWISE OF SAID RECESS.
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |