Patent US3247893A successfully refreshed from Google Patents.
US3247893A
Expired / Lapsed
US
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Structural device
Assignee: Cooper Industries LLC
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Filing: 1963-10-21
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Granted: 1966-04-26
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 James A Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:40
CPC Classifications
A; A47; A47H; A47H1/00; A47H1/02; A47H1/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
TRAVERSE ROD STRUCTURE COMPRISING IN COMBINATION: TRAVERSE ROD MEANS INCLUDING TELESCOPING ROD MEMBERS, AT LEAST ONE PULLEY AT THE OUTER END OF EACH OF SAID MEMBERS AND AT LEAST ONE DRAW CORD ARRANGED ON AND AROUND SAID PULLEYS FOR EFFECTING HORIZONTAL MOVEMENT OF A DRAPERY SUSPENDED FROM SAID TRAVERSE ROD, WHEREBY NORMAL OPERATION OF SAID DRAW CORD WILL URGE A RELATIVE MOVEMENT OF SAID ROD MEMBERS TOWARD EACH OTHER; A PAIR OF BRACKETS EACH ARRANGED RESPECTIVELY IN ENGAGEMENT WITH ONE OF SAID ROD MEMBERS AND EACH OF SAID BRACKETS HAVING GRIPPING MEANS RELEASABLY ENGAGEABLE WITH THE RESPECTIVELY ENGAGED ONE OF SAID ROD MEMBERS, SAID GRIPPING MEANS EACH INCLUDING A CAM MEMBER PIVOTABLE INTO GRIPPING ENGAGEMENT WITH THE RESPECTIVELY ENGAGED ONE OF SAID ROD MEMBERS, SAID CAM MEMBERS BEING SENSED OPPOSITELY WITH RESPECT TO EACH OTHER AND POSITIONED WITH RESPECT TO EACH OF SAID ROD MEMBERS IN SUCH A MANNER THAT SAID MOVEMENT OF SAID ROD MEMBERS TOWARD EACH OTHER WILL EFFECT A TIGHTENING MOVEMENT OF EACH RESPECTIVE CAM MEMBER; WHEREBY NORMAL OPERATION OF SAID TRAVERSE ROD WILL MAINTAIN SAID SUPPORTING CAM MEMBERS IN TIGHT CONDITION FOR CONSTANT AND FIRM SUPPORTING OF SAID ROD MEMBERS AND SIMULTANEOUSLY THE ACTION OF SAID CAM MEMBERS WILL PREVENT APPRECIABLE MOVEMENT OF SAID ROD MEMBERS TELESCOPINGLY TOWARD EACH OTHER.
Claim 2
Dependent Claim
214 words
TRAVERSE ROD STRUCTURE COMPRISING IN COMBINATION: TRAVERSE ROD MEANS INCLUDING TELESCOPING ROD MEMBERS, AT LEAST ONE PULLEY AT THE OUTER END OF EACH OF SAID MEMBERS AND AT LEAST ONE DRAW CORD ARRANGED ON AND AROUND SAID PULLEYS FOR EFFECTING HORIZONTAL MOVEMENT OF A DRAPERY SUSPENDED FROM SAID TRAVERSE ROD, WHEREBY NORMAL OPERATION OF SAID DRAW CORD WILL URGE A RELATIVE MOVEMENT OF SAID ROD MEMBERS TOWARD EACH OTHER; A PAIR OF BRACKETS EACH ARRANGED RESPECTIVELY IN ENGAGEMENT WITH ONE OF SAID ROD MEMBERS AND EACH OF SAID BRACKETS HAVING GRIPPING MEANS RELEASABLY ENGAGEABLE WITH THE RESPECTIVELY ENGAGED ONE OF SAID ROD MEMBERS, SAID GRIPPING MEANS EACH INCLUDING A CAM MEMBER PIVOTABLE INTO GRIPPING ENGAGEMENT WITH THE RESPECTIVELY ENGAGED ONE OF SAID ROD MEMBERS, SAID CAM MEMBERS BEING SENSED OPPOSITELY WITH RESPECT TO EACH OTHER AND POSITIONED WITH RESPECT TO EACH OF SAID ROD MEMBERS IN SUCH A MANNER THAT SAID MOVEMENT OF SAID ROD MEMBERS TOWARD EACH OTHER WILL EFFECT A TIGHTENING MOVEMENT OF EACH RESPECTIVE CAM MEMBER; WHEREBY NORMAL OPERATION OF SAID TRAVERSE ROD WILL MAINTAIN SAID SUPPORTING CAM MEMBERS IN TIGHT CONDITION FOR CONSTANT AND FIRM SUPPORTING OF SAID ROD MEMBERS AND SIMULTANEOUSLY THE ACTION OF SAID CAM MEMBERS WILL PREVENT APPRECIABLE MOVEMENT OF SAID ROD MEMBERS TELESCOPINGLY TOWARD EACH OTHER.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |