# US 11,441,352 B2 · Dual cordless retractable shade system with transitional shade materials for architectural openings

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- Number: US 11,441,352 B2
- Document ID: US11441352B2
- Status: Granted
- Kind: B2
- Application number: 16/822,726
- Filed: 2020-03-18
- Published: 2021-08-26
- Granted: 2022-09-13
- Earliest claimed: 2020-02-20
- Applicants: Lafayette Venetian Blind, Inc.
- Inventors: Joe Nash Morgan, III; Kia Kheng Kho; Adam Vandewalle
- Web page: https://patentgrep.com/patent/US11441352B2

## CPC

- E06B 9/322: Details of operating devices, e.g. pulleys, brakes, spring drums, drives ({operating devices E06B9/68} ; devices of general interest specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material B65H75/34)
- E06B 9/264: Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
- E06B 9/42: Parts or details of roller blinds, e.g. suspension devices, blind boxes (brackets or adjustable mountings for roller blinds and drawable curtains A47H1/13)
- E06B 2009/2441: {Screens joined one below the other}
- E06B: FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES (shades or blinds for greenhouses A01G9/22; curtains A47H; lids for car boots or bonnets B62D25/10; skylights E04B7/18; sunshades, awnings E04F10/00)

## Abstract

A shade system including a middle rail including a roller blind in addition to top and bottom rails wherein a fabric is intermediate the top and middle rails.

## Claims

### Claim 1

A shade system, comprising:
a top rail, the top rail defining a channel;
a mid-rail, the mid-rail included in a top down/bottom up system;
a roller, the roller secured to the mid-rail;
a valance, the valance mounted to the mid-rail;
a control system, the control system including a central clutch block and pulley brackets, the central clutch block and pulley brackets located inside the top rail channel;
wherein the roller is manipulated by the control system.

### Claim 2 (depends on 1)

The shade system of claim 1, further comprising a fabric, the fabric intermediate the top rail and the mid-rail, wherein the roller and the fabric are manipulated by the control system.

### Claim 3 (depends on 2)

The system of claim 2, wherein the fabric and the roller move in response to movement of the mid-rail.

### Claim 4 (depends on 2)

The system of claim 2, wherein the fabric is selected from the group consisting of laminated, duo rolled, and silhouette.

### Claim 5 (depends on 1)

The system of claim 1, wherein the control system includes a pull cord for operating the control system.

### Claim 6 (depends on 2)

The system of claim 2, wherein the fabric is sheer or blackout.

### Claim 7 (depends on 1)

The system of claim 1, wherein the valance is either angular or arcuate in transverse cross-section.

### Claim 8 (depends on 1)

The system of claim 1, wherein the top rail is mounted by end brackets to a frame of an architectural opening.