US4010790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slatted window assembly
Assignee: HELMAN FRANK D
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Filing: 1976-09-03
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Granted: 1977-03-08
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Expires: 1996-09-03
Abstract
Abstract In a window assembly having a flexible slatted curtain in which each slat is secured to another by links. Each link is slotted and is connected to a curtain slat by being fitted over a pin carried by the slat.
Inventors
- 👤 John Varga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:06
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B9/08; E06B9/11; E06B9/15; E06B9/56; E06B9/92; E06B2009/1533; E06B2009/155
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
290 words
In a window assembly having a frame and a flexible slatted curtain carried by said frame between spaced guide means, a winding device, one end of said curtain connected to said winding device, means for rotating said winding device to cause said curtain to be wound about and unwound from the winding device in shifting between raised and loweed positions, the improvement wherein said curtain includes a plurality of slats located side by side, each slat including a channel part and a cover, each channel part including a base having end portions and spaced sides projecting from said base, said sides defining opposed groove means extending between said base end portions, a pin carried by said base at each end portion thereof, each pin projecting outwardly from said base and terminating adjacent the level of said opposed groove means, a slotted opening formed in each side at each base end portion between said base and the groove means of the side, a plurality of links each having a longitudinal slot formed therein extending from one end portion to the other end portion of the link, a said link located at corresponding base end portions of adjacent channel parts and having one of its end portions fitted through a said slotted opening in one adjacent channel part with the pin thereof extending lockingly through said slot in the link and having its other end portion fitted through a said slotted opening in the other adjacent channel part with the pin thereof extending lockingly through said slot in the link, a said cover fitted between the sides of each channel part within said groove means of the channel part and overlying each pin of the channel part and locked link end portions.
Claim 2
Dependent Claim
290 words
In a window assembly having a frame and a flexible slatted curtain carried by said frame between spaced guide means, a winding device, one end of said curtain connected to said winding device, means for rotating said winding device to cause said curtain to be wound about and unwound from the winding device in shifting between raised and loweed positions, the improvement wherein said curtain includes a plurality of slats located side by side, each slat including a channel part and a cover, each channel part including a base having end portions and spaced sides projecting from said base, said sides defining opposed groove means extending between said base end portions, a pin carried by said base at each end portion thereof, each pin projecting outwardly from said base and terminating adjacent the level of said opposed groove means, a slotted opening formed in each side at each base end portion between said base and the groove means of the side, a plurality of links each having a longitudinal slot formed therein extending from one end portion to the other end portion of the link, a said link located at corresponding base end portions of adjacent channel parts and having one of its end portions fitted through a said slotted opening in one adjacent channel part with the pin thereof extending lockingly through said slot in the link and having its other end portion fitted through a said slotted opening in the other adjacent channel part with the pin thereof extending lockingly through said slot in the link, a said cover fitted between the sides of each channel part within said groove means of the channel part and overlying each pin of the channel part and locked link end portions.
Claim 3
Dependent Claim
37 words
The window assembly of claim 1 wherein a link extends through each slotted opening of each channel part that lies between other channel parts of said curtain and lockingly engages a said pin of such channel part.
Claim 4
Dependent Claim
74 words
The window assembly of claim 2 wherein each channel part pin includes a neck and terminates in an enlarged flattened head having a transverse dimension exceeding the width of each link slot, the width of each pin as measured from one side of its neck to the opposite side of its head being less than the width of each link slot to permit such link to be inserted over the head of said pin.
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) | 1980-03-07 | 1980-09-06 | 1981-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-07 | 1984-09-06 | 1985-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-07 | 1988-09-06 | 1989-03-08 | $7700.00 | Window Closed / Lapsed |