Patent US4800188A successfully refreshed from Google Patents.
Patent US3144117A successfully refreshed from Google Patents.
US3144117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comb plate for belt type moving sidewalk
Assignee: Otis Elevator Co
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Filing: 1958-08-12
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Granted: 1964-08-11
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Expires: 1978-08-12
Abstract
No abstract record available.
Inventors
- 👤 Fabula Andrew
- 👤 Yost Herman Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:57
CPC Classifications
B; B66; B66B; B66B29/00; B66B29/02; B66B29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A CONVEYOR COMPRISING, AN ENDLESS BELT HAVING A PLURALITY OF LONGITUDINAL RIBS FORMING THE LOAD CARRYING SURFACE, A COMB PLATE AT AN END OF TRAVEL OF THE CONVEYOR, SAID COMB PLATE HAVING AN IMMOVABLY AFFIXED LOAD SUPPORTING PORTION AND A MOVABLE COMB PORTION, SAID COMB PORTION HAVING TEETH INTERMESHING WITH SAID RIBS, MEANS FOR SUPPORTING SAID MOVABLE COMB PORTION ON AND BENEATH SAID IMMOVABLE LOAD SUPPORTING PORTION FOR LATERAL MOVEMENT THEREOF WITH RESPECT TO SAID SUPPORTING PORTION, SAID MEANS COMPRISING A LATERALLY EXTENDING SLOT IN ONE OF SAID PORTIONS, AND A COOPERATINGLY SHAPED LATERALLY EXTENDING BAR FORMED ON THE OTHER OF SAID PORTIONS AND SLIDABLE IN SAID SLOT AND POSITIONING SAID COMB MEMBER BENEATH AND PARTIALLY COVERED BY SAID IMMOVABLE LOAD SUPPORTING PORTION, AND POSITIONING MEANS RESPONSIVE TO LATERAL SHIFTING OF SAID BELT AT SAID COMB PLATE FOR LATERALLY SHIFTING SAID COMB PORTION TO MAINTAIN THE DESIRED INTERMESHING RELATIONSHIP OF SAID COMB TEETH WITH SAID RIBS.
Claim 2
Dependent Claim
156 words
A CONVEYOR COMPRISING, AN ENDLESS BELT HAVING A PLURALITY OF LONGITUDINAL RIBS FORMING THE LOAD CARRYING SURFACE, A COMB PLATE AT AN END OF TRAVEL OF THE CONVEYOR, SAID COMB PLATE HAVING AN IMMOVABLY AFFIXED LOAD SUPPORTING PORTION AND A MOVABLE COMB PORTION, SAID COMB PORTION HAVING TEETH INTERMESHING WITH SAID RIBS, MEANS FOR SUPPORTING SAID MOVABLE COMB PORTION ON AND BENEATH SAID IMMOVABLE LOAD SUPPORTING PORTION FOR LATERAL MOVEMENT THEREOF WITH RESPECT TO SAID SUPPORTING PORTION, SAID MEANS COMPRISING A LATERALLY EXTENDING SLOT IN ONE OF SAID PORTIONS, AND A COOPERATINGLY SHAPED LATERALLY EXTENDING BAR FORMED ON THE OTHER OF SAID PORTIONS AND SLIDABLE IN SAID SLOT AND POSITIONING SAID COMB MEMBER BENEATH AND PARTIALLY COVERED BY SAID IMMOVABLE LOAD SUPPORTING PORTION, AND POSITIONING MEANS RESPONSIVE TO LATERAL SHIFTING OF SAID BELT AT SAID COMB PLATE FOR LATERALLY SHIFTING SAID COMB PORTION TO MAINTAIN THE DESIRED INTERMESHING RELATIONSHIP OF SAID COMB TEETH WITH SAID RIBS.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |