US3581798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venetian blind construction
Assignee: Individual
•
Filing: 1969-04-14
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Granted: 1971-06-01
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Expires: 1989-04-14
Abstract
Abstract A combined venetian and roller blind having a header housing, a curtainlike spring actuated roller in the housing, tiltable slats and a bottom bar. Opposed tapes are disposed on both sides of the slats, with seats between the tapes for said slats, one end of the tapes fixed to the tilting bar and the other end to the bottom bar. A single hand loop strap is secured to both long edges of the bottom bar serving as a handle for actuating the tilting bar and slats and for raising and lowering the blind. Plastic or magnetic means is provided in the header housing for moving the tilting bar with braking action until the bar comes to rest against stops limiting the slats between open and closed positions.
Inventors
- 👤 Josef Malamed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:46
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/304
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
189 words
A venetian blind construction, comprising a header, a tilting bar tiltably mounted in said header, a movable bottom bar connected to said tilting bar by pairs of opposing tapes, one end of the tapes being fixedly connected to opposite side edges of the tilting bar, the other end of the tapes being fixedly mounted on opposite side edges of the bottom bar, a curtainlike springstressed roller in the header, slats tiltably supported between the opposing tapes, cords extending around the roller in spaced relationship therealong and through the slats, one end of the cords being fixed to the roller, the other end of the cords being fixed to the bottom bar, said header being channel-shaped with a bottom wall and sidewalls and open at opposite ends, the mounting for the tilting bar including brackets upstanding from the bottom wall of the header at both ends thereof, said tilting bar having bearing plates at both ends thereof, and pins extending from the upstanding brackets into said bearing plates, said bearing plates having frictional engagement with the bracket pins to effect braking action on the tilting movement of the tilting bar.
Claim 2
Dependent Claim
189 words
A venetian blind construction, comprising a header, a tilting bar tiltably mounted in said header, a movable bottom bar connected to said tilting bar by pairs of opposing tapes, one end of the tapes being fixedly connected to opposite side edges of the tilting bar, the other end of the tapes being fixedly mounted on opposite side edges of the bottom bar, a curtainlike springstressed roller in the header, slats tiltably supported between the opposing tapes, cords extending around the roller in spaced relationship therealong and through the slats, one end of the cords being fixed to the roller, the other end of the cords being fixed to the bottom bar, said header being channel-shaped with a bottom wall and sidewalls and open at opposite ends, the mounting for the tilting bar including brackets upstanding from the bottom wall of the header at both ends thereof, said tilting bar having bearing plates at both ends thereof, and pins extending from the upstanding brackets into said bearing plates, said bearing plates having frictional engagement with the bracket pins to effect braking action on the tilting movement of the tilting bar.
Claim 3
Dependent Claim
29 words
A venetian blind construction as defined in claim 1, and common means including a looped handle strap with its ends secureD to the long edges of the bottom bar.
Claim 4
Dependent Claim
43 words
A venetian blind construction as defined in claim 1, and said header being of metal and having spaced holes therein, and grommets in said holes through which said cords extend, said grommets being of plastic to eliminate excessive wear upon the slat cords.
Claim 5
Dependent Claim
31 words
A venetian blind construction as defined in claim 1, and stop means on the header and engageable by the tilting bar to limit the closing movement of the tiltable blind slats.
Claim 6
Dependent Claim
49 words
A venetian blind construction as defined in claim 1, permanent magnet on the tilting bar in the header, and a U-shaped magnetic member on the header cooperative with the permanent magnet to effect a further braking action therebetween upon the bar being tilted to open and close the blind.
Claim 7
Dependent Claim
37 words
A venetian blind construction as defined in claim 5, and stops carried by the U-shaped metal member and engageable by the magnet to limit the tilting movement of the tilting bar and the closing of the slats.
Claim 8
Dependent Claim
78 words
A venetian blind construction as defined in claim 1, and a separate square-shaped closure member for closing each end of the header, said closure plate having flanges around all side edges thereof, one of said flanges being releasable mounted and adapted to be moved out of the way to permit the ends of the header to be inserted between the flanges and said closure members serving to fix the blind header to the top of a window frame.
Claim 9
Dependent Claim
81 words
A venetian blind construction as defined in claim 2, wherein the arrangement of the tilting bar, tapes, bottom bar and looped handle strap is such that a straight down pull of the handle automatically releases the spring roller to move the slats upward to collapsed condition, and a downward pull on one reach of the looped handle tilts the slats to closed position, and a downward pull on the other reach of the looped handle tilts the slats to open position.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |