Patent US4675835A successfully refreshed from Google Patents.
Patent US3260018A successfully refreshed from Google Patents.
US3260018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door closing mechanism
Assignee: Individual
•
Filing: 1964-02-26
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Granted: 1966-07-12
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Wilmer R Schuh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:52
CPC Classifications
A; A62; A62C; A62C2/00; A62C2/06; A62C2/12; A62C2/14; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1819; Y10T292/00; Y10T292/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
IN A DOOR CLOSING MECHANISM THE COMBINATION OF: AN OUTLINE FRAME HAVING AN OPENING THEREIN; A CLOSURE MEMBER PIVOTALLY MOUNTED THEREIN; AN ACTUATOR SHAFT PIVOTAL RELATIVE TO SAID CLOSURE MEMBER; HOLDING MEANS TENDING TO HOLD SAID SHAFT AGAINST ROTATION RELATIVE TO SAID FRAME; A LATCH MEMBER MOUNTED ON SAID CLOSURE MEMBER; AN OUTWARDLY DIVERGING V-SHAPED NOTCH IN SAID SHAFT; SAID LATCH MEMBER HAVING AN INWARDLY DIRECTED COMPLEMENTAL V-SHAPED PORTION ENGAGEABLE WITH SAID V-SHAPED NOTCH; A FUSIBLE LINK TENDING TO HOLD SAID LATCH MEMBER IN SAID NOTCH; AND FIRST MEANS TENDING TO CLOSE SAID CLOSURE MEMBER WITH RESPECT TO SAID OPENING IN SAID FRAME, SAID CLOSURE MEMBER PIVOTED ABOUT THE AXIS OF SAID SHAFT, SAID LINK WHEN INTACT HOLDING SAID LATCH MEMBER TO CONNECT SAID CLOSURE MEMBER TO SAID SHAFT AND WHEREBY RUPTURE OF SAID LINK RELEASES SAID LATCH MEMBER AND PERMITS CAM ACTION OF SAID V-SHAPED PORTION OF SAID LATCH MEMBERS IN SAID V-SHAPED NOTCH PORTION OF SAID ACTUATOR SHAFT TO EJECT SAID LATCH MEMBER THEREFROM UNDER INFLUENCE OF SAID FIRST MEANS TENDING TO PIVOT SAID CLOSURE MEMBER RELATIVE TO SAID SHAFT AND, THUS PERMITTING PIVOTAL MOVEMENT OF SAID CLOSURE MEMBER RELATIVE TO SAID SHAFT.
Claim 2
Dependent Claim
195 words
IN A DOOR CLOSING MECHANISM THE COMBINATION OF: AN OUTLINE FRAME HAVING AN OPENING THEREIN; A CLOSURE MEMBER PIVOTALLY MOUNTED THEREIN; AN ACTUATOR SHAFT PIVOTAL RELATIVE TO SAID CLOSURE MEMBER; HOLDING MEANS TENDING TO HOLD SAID SHAFT AGAINST ROTATION RELATIVE TO SAID FRAME; A LATCH MEMBER MOUNTED ON SAID CLOSURE MEMBER; AN OUTWARDLY DIVERGING V-SHAPED NOTCH IN SAID SHAFT; SAID LATCH MEMBER HAVING AN INWARDLY DIRECTED COMPLEMENTAL V-SHAPED PORTION ENGAGEABLE WITH SAID V-SHAPED NOTCH; A FUSIBLE LINK TENDING TO HOLD SAID LATCH MEMBER IN SAID NOTCH; AND FIRST MEANS TENDING TO CLOSE SAID CLOSURE MEMBER WITH RESPECT TO SAID OPENING IN SAID FRAME, SAID CLOSURE MEMBER PIVOTED ABOUT THE AXIS OF SAID SHAFT, SAID LINK WHEN INTACT HOLDING SAID LATCH MEMBER TO CONNECT SAID CLOSURE MEMBER TO SAID SHAFT AND WHEREBY RUPTURE OF SAID LINK RELEASES SAID LATCH MEMBER AND PERMITS CAM ACTION OF SAID V-SHAPED PORTION OF SAID LATCH MEMBERS IN SAID V-SHAPED NOTCH PORTION OF SAID ACTUATOR SHAFT TO EJECT SAID LATCH MEMBER THEREFROM UNDER INFLUENCE OF SAID FIRST MEANS TENDING TO PIVOT SAID CLOSURE MEMBER RELATIVE TO SAID SHAFT AND, THUS PERMITTING PIVOTAL MOVEMENT OF SAID CLOSURE MEMBER RELATIVE TO SAID SHAFT.
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) | 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 |