US3391420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: Amerock Corp
•
Filing: 1966-10-07
•
Granted: 1968-07-09
•
Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Lloyd L Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:18
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1028; E05D11/105; E05D11/1064; E05Y; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
357 words
A SPRING LOADED HINGE FOR SUPPORTING A DOOR ON A FRAME FOR SWINGING ABOUT A PIVOTAL AXIS AND FOR URGING THE DOOR TO THE OPEN AND CLOSED POSITIONS, HAVING, IN COMBINATION, A FRAME LEAF INCLUDING MEANS FOR ATTACHMENT TO THE FRAME, A PAIR OF PARALLEL FLANGES SPACED APART A PREDETERMINED DISTANCE AND EXTENDING FROM THE EDGE OF SAID FRAME LEAF ADJACENT TO THE HINGE AXIS IN A PLANE LONGITUDINAL OF THE PIVOT AXIS, A PAIR OF FRAME CURLS SUPPORTED BY SAID FLANGES IN ALINEMENT ALONG THE PIVOT AXIS AND IN SPACED RELATIONSHIP TO EACH OTHER AND TO SAID FRAME LEAF, A THIRD FLANGE SUPPORTED ON SAID FRAME LEAF EDGE BETWEEN SAID PAIR OF FLANGES AND EXTENDING IN A PLANE PARALLEL TO BUT SPACED ON THE OTHER SIDE OF THE PIVOT AXIS FROM THE PLANE OF SAID PAIR OF FLANGES, A DOOR LEAF INCLUDING MEANS FOR ATTACHMENT TO THE DOOR, A DOOR CURL SUPPORTED BY SAID DOOR LEAF AND POSITIONED BETWEEN AND IN ALINEMENT WITH SAID FRAME CURLS, SAID DOOR AND FRAME CURLS EACH INCLUDING AN ALINED OPENING CENTERED ON THE AXIS, A PIN SEATED IN SAID OPENINGS TO THEREBY PIVOTALLY COUPLED SAID CURL MEMBERS AND LEAVES TOGETHER, AND MECHANISM FOR URGING THE DOOR TO THE OPEN AND CLOSED POSITIONS COMPRISING A PLUNGER HAVING A WIDTH SUBSTANTIALLY EQUAL TO SAID PREDETERMINED DISTANCE SUPPORTED BETWEEN SAID PAIR OF FLANGES AND SAID THIRD FLANGE AND FORMING WITH THE PAIR OF FLANGES A SUBSTANTIALLY CONTINUOUS WALL, SAID PLUNGER BEING SEIZED FOR RECIPROCABLE MOVEMENT BETWEEN SAID FRAME LEAF AND SAID CURLS, A SPRING ACTING BETWEEN THE PLUNGER AND FRAME LEAF TO URGE SAID PLUNGER TOWARDS SAID PIVOT AXIS, A RAISED PORTION ON SAID PLUNGER POSITIONED TO CONTACT SAID DOOR CURL AS SAID PLUNGER MOVES TOWARD THE PIVOT AXIS, AND SAID DOOR CURL INCLUDING A RAISED PORTION THEREON POSITIONED TO CONTACT SAID PLUNGER RAISED PORTION WHEN SAID CURL IS TURNED TO POSITION THE DOOR BETWEEN THE OPEN AND CLOSED POSITIONS WHEREBY WHEN THE PLUNGER IS CONTACTING SAID DOOR CURL ON EITHER SIDE OF SAID RAISED PORTION IT WILL IMPART A TURNING MOMENT THEREON URGING THE DOOR TO EITHER THE OPEN OR CLOSED POSITIONS.
Claim 2
Dependent Claim
357 words
A SPRING LOADED HINGE FOR SUPPORTING A DOOR ON A FRAME FOR SWINGING ABOUT A PIVOTAL AXIS AND FOR URGING THE DOOR TO THE OPEN AND CLOSED POSITIONS, HAVING, IN COMBINATION, A FRAME LEAF INCLUDING MEANS FOR ATTACHMENT TO THE FRAME, A PAIR OF PARALLEL FLANGES SPACED APART A PREDETERMINED DISTANCE AND EXTENDING FROM THE EDGE OF SAID FRAME LEAF ADJACENT TO THE HINGE AXIS IN A PLANE LONGITUDINAL OF THE PIVOT AXIS, A PAIR OF FRAME CURLS SUPPORTED BY SAID FLANGES IN ALINEMENT ALONG THE PIVOT AXIS AND IN SPACED RELATIONSHIP TO EACH OTHER AND TO SAID FRAME LEAF, A THIRD FLANGE SUPPORTED ON SAID FRAME LEAF EDGE BETWEEN SAID PAIR OF FLANGES AND EXTENDING IN A PLANE PARALLEL TO BUT SPACED ON THE OTHER SIDE OF THE PIVOT AXIS FROM THE PLANE OF SAID PAIR OF FLANGES, A DOOR LEAF INCLUDING MEANS FOR ATTACHMENT TO THE DOOR, A DOOR CURL SUPPORTED BY SAID DOOR LEAF AND POSITIONED BETWEEN AND IN ALINEMENT WITH SAID FRAME CURLS, SAID DOOR AND FRAME CURLS EACH INCLUDING AN ALINED OPENING CENTERED ON THE AXIS, A PIN SEATED IN SAID OPENINGS TO THEREBY PIVOTALLY COUPLED SAID CURL MEMBERS AND LEAVES TOGETHER, AND MECHANISM FOR URGING THE DOOR TO THE OPEN AND CLOSED POSITIONS COMPRISING A PLUNGER HAVING A WIDTH SUBSTANTIALLY EQUAL TO SAID PREDETERMINED DISTANCE SUPPORTED BETWEEN SAID PAIR OF FLANGES AND SAID THIRD FLANGE AND FORMING WITH THE PAIR OF FLANGES A SUBSTANTIALLY CONTINUOUS WALL, SAID PLUNGER BEING SEIZED FOR RECIPROCABLE MOVEMENT BETWEEN SAID FRAME LEAF AND SAID CURLS, A SPRING ACTING BETWEEN THE PLUNGER AND FRAME LEAF TO URGE SAID PLUNGER TOWARDS SAID PIVOT AXIS, A RAISED PORTION ON SAID PLUNGER POSITIONED TO CONTACT SAID DOOR CURL AS SAID PLUNGER MOVES TOWARD THE PIVOT AXIS, AND SAID DOOR CURL INCLUDING A RAISED PORTION THEREON POSITIONED TO CONTACT SAID PLUNGER RAISED PORTION WHEN SAID CURL IS TURNED TO POSITION THE DOOR BETWEEN THE OPEN AND CLOSED POSITIONS WHEREBY WHEN THE PLUNGER IS CONTACTING SAID DOOR CURL ON EITHER SIDE OF SAID RAISED PORTION IT WILL IMPART A TURNING MOMENT THEREON URGING THE DOOR TO EITHER THE OPEN OR CLOSED POSITIONS.
References Cited (Backward Citations)
US3205532A
Cited
US3262149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |