US4457351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilt rod support for venetian blind assembly
Assignee: Hunter Douglas Inc
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Filing: 1983-06-02
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Granted: 1984-07-03
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Expires: 2003-06-02
Abstract
Abstract Tilt rod support adapted to be inserted into a venetian blind headrail to support a tilt rod directly or through the intermediary of a tape roll mounted on a tilt rod. The support has two vertical support portions having curved surfaces with each surface extending less than 180° of arc whereby a tape roll may be snapped into place between the vertical support portions. The tilt rod support includes flexible barbs and shoulders adapted to engage the sides of a route hole cut in a web of a headrail to lock the support in place in a headrail.
Inventors
- 👤 Richard N. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:15
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/303; E06B9/307; E06B9/38
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
154 words
A tilt rod support adapted to be fitted into a venetian blind headrail having a channel-shaped cross-section including a lower web, said tilt rod support being made of a resilient material and comprising a base adapted to engage said web, two longitudinally spaced parallel upstanding legs on said base, each said leg having a vertical support portion comprising a bearing surface extending less than 180° of circumference, and the bearing surface of the vertical support portion of one leg facing in the opposite direction of the bearing surface of the vertical support portion of the other leg, said bearing surfaces being dimensioned and shaped to rotatably support a tilt rod, and said legs being dimensioned and shaped to receive a tilt rod therebetween when a rod is forced downwardly on said legs to cause said legs to spread radially outwardly from said rod to allow said rod to snap into place between said legs.
Claim 2
Dependent Claim
154 words
A tilt rod support adapted to be fitted into a venetian blind headrail having a channel-shaped cross-section including a lower web, said tilt rod support being made of a resilient material and comprising a base adapted to engage said web, two longitudinally spaced parallel upstanding legs on said base, each said leg having a vertical support portion comprising a bearing surface extending less than 180° of circumference, and the bearing surface of the vertical support portion of one leg facing in the opposite direction of the bearing surface of the vertical support portion of the other leg, said bearing surfaces being dimensioned and shaped to rotatably support a tilt rod, and said legs being dimensioned and shaped to receive a tilt rod therebetween when a rod is forced downwardly on said legs to cause said legs to spread radially outwardly from said rod to allow said rod to snap into place between said legs.
Claim 3
Dependent Claim
34 words
A tilt rod support according to claim 1 where said bearing supports are dimensioned and shaped to rotatably support the tilt rod through the intermediary of a tape roll mounted on said tilt rod.
Claim 4
Dependent Claim
74 words
A tilt rod support according to claim 1 where the bearing surfaces of both said vertical support portions together extend more than 180° and less than 360° and whereby a tilt rod may be inserted between said vertical legs by forcing said rod downwardly on said legs to cause the legs to spread radially outwardly from said rod to allow said vertical support surface to snap into place around the periphery of the rod.
Claim 5
Dependent Claim
50 words
A tilt rod according to claim 3 wherein the top of each said vertical support portion has a downwardly extending guide surface adjacent an end of the circular surface adapted to guide the tilt rod and assist in spreading the legs when the tilt rod is inserted in said support.
Claim 6
Dependent Claim
29 words
A tilt rod support according to claim 1 wherein said bearing surface of each said vertical support surface ends in a horizontally extending surface tangent to the curved surface.
Claim 7
Dependent Claim
66 words
A tilt rod support according to claim 1 having in addition a plurality of flexible barbs extending downwardly from a lower side of said base and a plurality of fixed shoulders extending downwardly from said lower side whereby said support may be locked in position in a headrail by said shoulders and barbs engaging the sides of a route hole in said web of a headrail.
Claim 8
Dependent Claim
46 words
A tilt rod support according to claim 6 having four said shoulders which define the side of a center section of said base in the form of a quadrangle and having two said barbs located on two side of said quadrangle and at opposite corners thereof.
Claim 9
Dependent Claim
60 words
A tilt rod support according to claim 1 wherein said base is Z-shaped with said upstanding legs joined at the bottom ends to the legs of the Z-shaped base and wherein the free ends of the legs of the Z-shaped base point away from the bearin surfaces of the upstanding legs whereby the flexibility of the upstanding legs is increased.
Claim 10
Dependent Claim
43 words
A tilt rod support according to claim 1 wherein each leg has a hold down tab connected to the end thereof opposite said base extending obliquely inwardly towards the center of the support and adapted to retain a tilt rod in said support.
Claim 11
Dependent Claim
63 words
A tilt rod support according to claim 9 wherein each said tab has a tapered upper surface tapered downwardly towards said base whereby when said tapered surface is engaged by a tilt rod or a tilt roll, said tab will be deflected outwardly to allow said rod or roll to be moved downwardly past said tab to be positioned on said bearing surfaces.
References Cited (Backward Citations)
US3269453A
Cited
US3333905A
Cited
US3298425A
Cited
US3325131A
Cited
US3689193A
Cited
US4177853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-03 | 1988-01-02 | 1988-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-03 | 1992-01-02 | 1992-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-03 | 1996-01-02 | 1996-07-03 | $7700.00 | Window Closed / Lapsed |