Patent US3120033A successfully refreshed from Google Patents.
US3120033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door, or the like, with floating rollers
Assignee: Aluminite Manufacturing Co Inc
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Filing: 1962-01-16
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Granted: 1964-02-04
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Expires: 1982-01-16
Abstract
No abstract record available.
Inventors
- 👤 Edward J Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:07
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/066; E05D15/0665; E05D15/0626; E05D15/0643; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN A SLIDING DOOR INSTALLATION, OR THE LIKE, THE COMBINATION OF: (A) A PANEL STRUCTURE MOVABLE IN ITS OWN PLANE AND INCLUDING A FRAME AND A PANEL CARRIED BY SAID FRAME; (B) A TRACK EXTENDING ALONG ONE EDGE OF SAID FRAME IN THE DIRECTION OF MOVEMENT OF SAID PANEL STRUCTURE ITS OWN PLANE; (C) AN AXLE CARRIED BY SAID EDGE OF SAID FRAME ADJACENT AND ORIENTED PERPENDICULARLY OF SAID TRACK; (D) A ROLLER ROTABLE ON SAID AXLE AND ENGAGEABLE WITH AND ROLLABLE ALONG SAID TRACK; (E) SAID ROLLER BEING ANNULAR AND HAVING A CENTRAL HOLE LARGER THAN SAID AXLE AND RECEIVING SAID AXLE THEREIN; (F) THE DIFFERENCE BETWEEN THE DIAMETER OF SAID AXLE AND THE DIAMETER OF SAID CENTRAL HOLE IN SAID ROLLER PROVIDING FOR RELATIVE MOVEMENT BETWEEN SAID ROLLER AND SAID FRAME IN DIRECTIONS PERPENDICULAR TO SAID AXLE TO ENABLE SAID ROLLER TO TEND TO REMAIN IN ENGAGEMENT WITH SAID TRACK EVEN IF SAID FRAME IS DISPLACED AWAY FROM SAID TRACK; AND (G) SPRING MEANS CARRIED BY SAID FRAME AND ENGAGING SAID ROLLER FOR BIASING SAID ROLLER INTO ENGAGEMENT WITH SAID TRACK.
Claim 2
Dependent Claim
183 words
IN A SLIDING DOOR INSTALLATION, OR THE LIKE, THE COMBINATION OF: (A) A PANEL STRUCTURE MOVABLE IN ITS OWN PLANE AND INCLUDING A FRAME AND A PANEL CARRIED BY SAID FRAME; (B) A TRACK EXTENDING ALONG ONE EDGE OF SAID FRAME IN THE DIRECTION OF MOVEMENT OF SAID PANEL STRUCTURE ITS OWN PLANE; (C) AN AXLE CARRIED BY SAID EDGE OF SAID FRAME ADJACENT AND ORIENTED PERPENDICULARLY OF SAID TRACK; (D) A ROLLER ROTABLE ON SAID AXLE AND ENGAGEABLE WITH AND ROLLABLE ALONG SAID TRACK; (E) SAID ROLLER BEING ANNULAR AND HAVING A CENTRAL HOLE LARGER THAN SAID AXLE AND RECEIVING SAID AXLE THEREIN; (F) THE DIFFERENCE BETWEEN THE DIAMETER OF SAID AXLE AND THE DIAMETER OF SAID CENTRAL HOLE IN SAID ROLLER PROVIDING FOR RELATIVE MOVEMENT BETWEEN SAID ROLLER AND SAID FRAME IN DIRECTIONS PERPENDICULAR TO SAID AXLE TO ENABLE SAID ROLLER TO TEND TO REMAIN IN ENGAGEMENT WITH SAID TRACK EVEN IF SAID FRAME IS DISPLACED AWAY FROM SAID TRACK; AND (G) SPRING MEANS CARRIED BY SAID FRAME AND ENGAGING SAID ROLLER FOR BIASING SAID ROLLER INTO ENGAGEMENT WITH SAID TRACK.
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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |