US3273847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bracket construction
Assignee: Capitol Hardware Manufacturing Co Inc
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Filing: 1963-05-16
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Granted: 1966-09-20
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Expires: 1983-05-16
Abstract
No abstract record available.
Inventors
- 👤 Marvin A Berman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:28
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47B57/40; A47B57/42; A47B57/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
349 words
IN COMBINATION WITH A VERTICALLY ORIENTED THINWALLED BRACKET BODY HAVING A GENERALLY VERTICAL REAR EDGE WITH VERTIALLY SPACED HOOKED EXTENSIONS ADAPTED TO PASS THROUGH CORRESPONDING OPENINGS IN AN UPRIGHT TO HOLD THE BRACKET IN A FORWARDLY EXTENDING POSITION ON THE UPRIGHT, THE REAR PORTION OF THE BRACKET PLATE BEING PROVIDED WITH A GENERALLY CIRCUIT OPENING EXTENDING OVER AN ARC GREATER THAN 180 DEGREES, THERE BEING A 180 DEGREE BEARING SECTION OF THE OPENING ON THE FRONT SIDE OF SAID OPENING FACING THE REAR EDGE OF THE BRACKET BODY, SAID OPENING HAVING A CAM MEMBER-RECEIVING MOUTH EXTENDING BETWEEN SAID VERTICAL EDGE AND SAID OPENING, WHICH MOUTH HAS A WIDTH SUBSTANTIALLY LESS THAN THE DIAMETER OF THE CAM MEMBERRECEIVING OPENING, ONE EDGE OF SAID MOUTH BEING TANGENT TO SAID CIRCULAR OPENING AND THE OPPOSITE EDGE THEREOF BEING PARALLEL TO SAID ONE EDGE AND SPACED A DISTANCE THEREFROM LESS THAN THE DIAMETER OF SAID OPENING, A CAM MEMBER ROTATABLY MOUNTED IN SAID OPENING ABOUT A TRANSVERSE HORIZONTAL AXIS AND HAVING A HEAD PORTION WITH A CYLINDRICAL SURFACE HAVING A DIAMETER APPROXIMATELY EQUAL TO THE DIAMETER OF, AND MAKING ROTATABLE ENGAGEMENT WITH THE BEARING SECTION OF SAID CIRCULAR CAM MEMBER-RECEIVING BRACKET OPENING, SAID CYLINDRICAL SURFACE HAVING ONLY A SINGLE FLAT THEREON WHICH ENABLES THE CAM MEMBER TO BE SLIPPED INTO SAID CAM MEMBER-RECEIVING OPENING THROUGH SAID MOUTH THEREOF IN ONE ANGULAR POSITION OF THE CAM MEMBER WHERE ROTATION THEREOF FROM SAID POSITION WILL LOCK THE CAM MEMBER IN SAID OPENING AND MOVE THE FLAT IN A DIRECTION TOWARD THE REAR EDGE OF THE BRACKET BODY, SAID HEAD PORTION OF THE CAM MEMBER HAVING A CURVED DURFACE PORTION WHICH IS ECCENTRICALLY RELATED TO SAID CYLINDRICAL SURFACE AND WHICH PROJECTS BEYOND THE REAR EDGE OF THE BRACKET BODY IN PROGRESSIVELY VARYING DEGREES AS THE CAM MEMBER IS ROTATED OVER A RANGE OF ANGULAR POSITIONS ABOUT SAID AXIS, SAID FLAT ON SAID CYLINDRICAL SURFACE BEING SPACED FROM SAID 180-DEGREE BEARING SECTION OF SAID BRACKET OPENING OVER SAID RANGE OF ANGULAR POSITIONS OF SAID CAM MEMBER SO THE FULL USEFULL BEARING SURFACE OF SAID OPENING IS UTILIZED.
Claim 2
Dependent Claim
349 words
IN COMBINATION WITH A VERTICALLY ORIENTED THINWALLED BRACKET BODY HAVING A GENERALLY VERTICAL REAR EDGE WITH VERTIALLY SPACED HOOKED EXTENSIONS ADAPTED TO PASS THROUGH CORRESPONDING OPENINGS IN AN UPRIGHT TO HOLD THE BRACKET IN A FORWARDLY EXTENDING POSITION ON THE UPRIGHT, THE REAR PORTION OF THE BRACKET PLATE BEING PROVIDED WITH A GENERALLY CIRCUIT OPENING EXTENDING OVER AN ARC GREATER THAN 180 DEGREES, THERE BEING A 180 DEGREE BEARING SECTION OF THE OPENING ON THE FRONT SIDE OF SAID OPENING FACING THE REAR EDGE OF THE BRACKET BODY, SAID OPENING HAVING A CAM MEMBER-RECEIVING MOUTH EXTENDING BETWEEN SAID VERTICAL EDGE AND SAID OPENING, WHICH MOUTH HAS A WIDTH SUBSTANTIALLY LESS THAN THE DIAMETER OF THE CAM MEMBERRECEIVING OPENING, ONE EDGE OF SAID MOUTH BEING TANGENT TO SAID CIRCULAR OPENING AND THE OPPOSITE EDGE THEREOF BEING PARALLEL TO SAID ONE EDGE AND SPACED A DISTANCE THEREFROM LESS THAN THE DIAMETER OF SAID OPENING, A CAM MEMBER ROTATABLY MOUNTED IN SAID OPENING ABOUT A TRANSVERSE HORIZONTAL AXIS AND HAVING A HEAD PORTION WITH A CYLINDRICAL SURFACE HAVING A DIAMETER APPROXIMATELY EQUAL TO THE DIAMETER OF, AND MAKING ROTATABLE ENGAGEMENT WITH THE BEARING SECTION OF SAID CIRCULAR CAM MEMBER-RECEIVING BRACKET OPENING, SAID CYLINDRICAL SURFACE HAVING ONLY A SINGLE FLAT THEREON WHICH ENABLES THE CAM MEMBER TO BE SLIPPED INTO SAID CAM MEMBER-RECEIVING OPENING THROUGH SAID MOUTH THEREOF IN ONE ANGULAR POSITION OF THE CAM MEMBER WHERE ROTATION THEREOF FROM SAID POSITION WILL LOCK THE CAM MEMBER IN SAID OPENING AND MOVE THE FLAT IN A DIRECTION TOWARD THE REAR EDGE OF THE BRACKET BODY, SAID HEAD PORTION OF THE CAM MEMBER HAVING A CURVED DURFACE PORTION WHICH IS ECCENTRICALLY RELATED TO SAID CYLINDRICAL SURFACE AND WHICH PROJECTS BEYOND THE REAR EDGE OF THE BRACKET BODY IN PROGRESSIVELY VARYING DEGREES AS THE CAM MEMBER IS ROTATED OVER A RANGE OF ANGULAR POSITIONS ABOUT SAID AXIS, SAID FLAT ON SAID CYLINDRICAL SURFACE BEING SPACED FROM SAID 180-DEGREE BEARING SECTION OF SAID BRACKET OPENING OVER SAID RANGE OF ANGULAR POSITIONS OF SAID CAM MEMBER SO THE FULL USEFULL BEARING SURFACE OF SAID OPENING IS UTILIZED.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |