Patent US3154302A successfully refreshed from Google Patents.
US3154302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic door opening and closing apparatus
Assignee: Individual
•
Filing: 1962-01-08
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Granted: 1964-10-27
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Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Maruyama Kunimori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:42
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/616; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/71; E05Y2201/72; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19647; Y10T74/19651; Y10T74/19656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN AN AUTOMATIC DOOR OPENING AND CLOSING DEVICE INCLUDING A DOOR HAVING A LATCH AND A SUPPORTING FRAME, A PITMAN PIVOTALLY CONNECTED AT ONE END TO THE SUPPORTING FRAME, AN INDENTED SLIDE MOVABLY MOUNTED ON THE DOOR AND PIVOTALLY CONNECTED AT ONE END TO THE FREE END OF THE PITMAN, A PLANETARY TRANSMISSION MOUNTED ON SAID DOOR AND COMPRISING A CUP-SHAPED RING GEAR MEMBER, AND HAVING A PLANET CARRIER ROTATABLY MOUNTED THEREWITHIN, WITH PLANET GEARS ENGAGING THE RING GEAR MEMBER, A SUN GEAR ROTATABLY MOUNTED IN SAID CUP-SHAPED MEMBER AND ENGAGING THE PLANET GEARS, MEANS ON SAID PLANET CARRIER ENGAGEABLE WITH INDENTATIONS IN SAID SLIDE, STOP MEANS ON SAID CUP-SHAPED MEMBER, MEANS CONNECTING A STOP MEMBER TO SAID LATCH WITH THE STOP MEMBER BEING ENGAGEABLE WITH SAID STOP MEANS TO FIRST RELEASE SAID DOOR LATCH AND SECOND TO STOP ROTATION OF SAID RING GEAR, CAUSING SAID PLANET CARRIER TO MOVE SAID SLIDE.
Claim 2
Dependent Claim
152 words
IN AN AUTOMATIC DOOR OPENING AND CLOSING DEVICE INCLUDING A DOOR HAVING A LATCH AND A SUPPORTING FRAME, A PITMAN PIVOTALLY CONNECTED AT ONE END TO THE SUPPORTING FRAME, AN INDENTED SLIDE MOVABLY MOUNTED ON THE DOOR AND PIVOTALLY CONNECTED AT ONE END TO THE FREE END OF THE PITMAN, A PLANETARY TRANSMISSION MOUNTED ON SAID DOOR AND COMPRISING A CUP-SHAPED RING GEAR MEMBER, AND HAVING A PLANET CARRIER ROTATABLY MOUNTED THEREWITHIN, WITH PLANET GEARS ENGAGING THE RING GEAR MEMBER, A SUN GEAR ROTATABLY MOUNTED IN SAID CUP-SHAPED MEMBER AND ENGAGING THE PLANET GEARS, MEANS ON SAID PLANET CARRIER ENGAGEABLE WITH INDENTATIONS IN SAID SLIDE, STOP MEANS ON SAID CUP-SHAPED MEMBER, MEANS CONNECTING A STOP MEMBER TO SAID LATCH WITH THE STOP MEMBER BEING ENGAGEABLE WITH SAID STOP MEANS TO FIRST RELEASE SAID DOOR LATCH AND SECOND TO STOP ROTATION OF SAID RING GEAR, CAUSING SAID PLANET CARRIER TO MOVE SAID SLIDE.
References Cited (Backward Citations)
US1594706A
Cited
US2086030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |