# US 9,038,240 B2 · Detachable hanger for covering of building's opening

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- Number: US 9,038,240 B2
- Document ID: US9038240B2
- Status: Granted
- Kind: B2
- Application number: 14/444,360
- Filed: 2014-07-28
- Published: 2014-11-13
- Granted: 2015-05-26
- Earliest claimed: 2013-03-07
- Assignees: Nien Made Enterprise Co., Ltd.
- Applicants: Nien Made Enterprise Co., Ltd.
- Inventors: Lin Chen
- Web page: https://patentgrep.com/patent/US9038240B2

## CPC

- E05D 7/12: to allow easy detachment of the hinge from the wing or the frame {(E05D15/507 takes precedence)}
- E05D 15/0604: {allowing an additional movement (E05D15/10 takes precedence; raising wings before sliding E05D15/565)}
- E05D 15/0621: {Details, e.g. suspension or supporting guides (E05D15/0604, E05D15/08 - E05D15/14 take precedence)}
- E05D 15/063: {on wheels with fixed axis}
- E06B 3/50: with more than one kind of movement (E06B3/48 takes precedence){(E06B3/92 takes precedence)}
- E06B 7/02: for providing ventilation, e.g. through double windows; Arrangement of ventilation roses (airflow control members per se F24F13/08)
- E05Y 2201/64: Carriers
- E05Y 2800/70: Retrofitting of elements
- E05Y 2900/132: Doors
- E05Y 2900/148: Windows
- E05D: HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS (pivotal connections in general F16C11/00)
- 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)
- E05Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF

## Abstract

A hanger for a sash of a window to detachably engage the sash with a rail of the window, and the hanger includes a pulley assembly and a restricting assembly. The pulley assembly has a base and a plurality of pulleys mounted on the base for rotation. The pulleys engage the rail so that the pulley assembly moves in the rail. The base is provided with a slot. The sash is provided with a rod. The rod engages the slot of the pulley assembly to engage the sash with the rail, and the rod leaves the slot via a lateral opening thereof while the covering rotates for a predetermined angle. At this time, the sash is disengaged with the rail to be moved off the window.

## Claims

### Claim 1

A method of opening a covering for an opening of a building, wherein the covering includes a rail, a first sash, a second sash, and a pulley assembly; the first sash and the second sash are pivoted with each other, and an end of the second sash is fixedly pivoted on the rail; the pulley assembly is movably received in the rail, and an engaging assembly is provided between the first sash and the rail to engage the first sash with the rail and let the first sash be able to move along the rail; the engaging assembly includes a slot and a rod, wherein the rod is provided on either the first sash or the pulley assembly, while the slot is correspondingly provided on the other, and the slot has a lateral opening; a restricting assembly is provided on the engaging assembly, and includes a driving portion; the restricting assembly leaves the lateral opening open to allow the rod to enter and leave the slot while the driving portion is pressed, and closes the lateral opening while the driving portion is unpressed; when the covering closes the opening of the building, the rod is received in the slot, the lateral opening is closed, and the first sash and the second sash are in the opening and parallel to the rail; the method comprising the steps of:
moving the first sash toward the second sash, till the first and the second sashes are folded, wherein the driving portion of the restricting assembly is pressed by the second sash when the first sash and the second sash are folded to open the lateral opening of the slot of the engaging assembly; and
continuously moving the first sash and the second sash altogether to move the rod out of the slot via the lateral opening and disengage the first sash with the rail, till the first sash and the second sash are beyond the opening of the building and substantially parallel to the rail.

### Claim 2 (depends on 1)

The method as defined in claim 1, wherein the lateral opening of the slot is closed before the first sash and the second sash are folded to restrict the rod in the slot.

### Claim 3 (depends on 1)

The method as defined in claim 1, wherein the first sash and the second sash are kept in a folded condition to keep the lateral opening opened while the first sash and the second sash are being continuously moved.

### Claim 4 (depends on 1)

The method as defined in claim 1, wherein the restricting assembly further includes a switch; the switch is connected to the driving portion, and moved from a first position to a second position when the driving portion is pressed; the switch engages the rod while the switch is moved to the first position, and the switch disengages the rod while the switch is moved to the second position.

### Claim 5 (depends on 1)

The method as defined in claim 1, wherein the restricting assembly has a switch to be moved between the first position and the second position, and the switch has a stop portion; the stop portion is between the rod and the lateral opening of the slot while the switch is moved to the first position; and the stop portion is moved off the slot while the switch is moved to the second position; the stop portion has an inclined face facing the lateral opening of the slot.