A hanger (100) for a hanging item (1400) is provided. The hanger can define an aperture (102). The aperture can include a split rotated concave cardioid upper contour (104). The split rotated concave cardioid upper contour can include a first portion (105) and a second portion (106). The first portion and the second portion can be separated by an inverted convex cardioid (109). The inverted convex cardioid can be suspended into the aperture by two concave sidewalls (112,113). The aperture can include an intersecting concave lower contour (114) comprising a cusp (117).

A window shade system is presented that combines the benefits of roller shades with draperies. In one arrangement a fascia having a front plate and a bottom plate includes a track positioned in the forward lower end of the fascia. The fascia is configured to be attached to a plurality of brackets. One or more roller shades having roller shade material attached to a tube are connected to the brackets. A plurality of carriers are positioned in the track and one or more draperies are attached to the plurality of carriers in the track. This arrangement presents a dual functioning window shade wherein roller shade material may be opened and closed by raising and lowering the roller shade material by rotating the tube of the roller shades raised, and the drapery shade material may be opened and closed by sliding the drapery shade material along the length of the track.

A window shade system is presented that combines the benefits of roller shades with draperies. In one arrangement a fascia having a front plate and a bottom plate includes a track positioned in the forward lower end of the fascia. The fascia is configured to be attached to a plurality of brackets. One or more roller shades having roller shade material attached to a tube are connected to the brackets. A plurality of carriers are positioned in the track and one or more draperies are attached to the plurality of carriers in the track. This arrangement presents a dual functioning window shade wherein roller shade material may be opened and closed by raising and lowering the roller shade material by rotating the tube of the roller shades raised, and the drapery shade material may be opened and closed by sliding the drapery shade material along the length of the track.

The utility model provides a simple curtain hook comprising an air bag, a main body rack, engaging teeth, a blocking bar and a hook. The engaging teeth are arranged on a lower end face of the main body rack, which design realizes the connection with a curtain fabric to prevent the hook from falling off and improve a film connection effect. The blocking bar is fixed at a right end of the main body rack, the hook is mounted above the blocking bar, and a left part of the hook is assembled at a middle position of an upper end of the air bag, which design realizes the self-locking of the hook, facilitates disassembly and reduces labor intensity. The simple curtain hook of the utility model is convenient to use and disassemble, reduces labor intensity and has high firmness.

The utility model provides a simple curtain hook comprising an air bag, a main body rack, engaging teeth, a blocking bar and a hook. The engaging teeth are arranged on a lower end face of the main body rack, which design realizes the connection with a curtain fabric to prevent the hook from falling off and improve a film connection effect. The blocking bar is fixed at a right end of the main body rack, the hook is mounted above the blocking bar, and a left part of the hook is assembled at a middle position of an upper end of the air bag, which design realizes the self-locking of the hook, facilitates disassembly and reduces labor intensity. The simple curtain hook of the utility model is convenient to use and disassemble, reduces labor intensity and has high firmness.

A track hanger (100) includes a hook (103) and an extension (104), a base member (102), and a key (403). The key is detachable from the hook, and the base member is detachable from the extension. The key can include a first major surface (401) and a second major surface (402). The first major surface can define one or more barbs (404) that facilitate one-way insertion of the key into a track (106).

A track hanger (100) includes a hook (103) and an extension (104), a base member (102), and a key (403). The key is detachable from the hook, and the base member is detachable from the extension. The key can include a first major surface (401) and a second major surface (402). The first major surface can define one or more barbs (404) that facilitate one-way insertion of the key into a track (106).

An opening and closing device for curtains and a system based on the same, mounted on a curtain track, comprises a main engine and a roller mechanism, The main engine comprises a shell with a cavity, a driving wheel mounted in the cavity and partially exposed the shell, a motor arranged in the cavity and controlling the driving wheel to rotate, a controller lied in the cavity and controlling the motor to start and stop, and a signal transceiver module coupled electrically with the controller and receiving starting and stopping signals of the motor; the driving wheel is used for driving the curtains to move along the curtain track; a roller mechanism is mounted on the shell, an end, far away from the shell, of the roller mechanism is hung on the curtain track and presses the driving wheel closely on the curtain track.

Various embodiments of curtain support and swivel assembly designs are provided. One embodiment is a curtain support assembly comprising a support attachment member and a curtain attachment member. A rod extends from the support attachment member. A stop member is disposed on an end of the rod. The curtain attachment member has a longitudinal opening with a lip. The stop member is configured to be received within the longitudinal opening and positioned such that the stop member engages with the lip and rotates within the longitudinal opening.

Various embodiments of curtain support and swivel assembly designs are provided. One embodiment is a curtain support assembly comprising a support attachment member and a curtain attachment member. A rod extends from the support attachment member. A stop member is disposed on an end of the rod. The curtain attachment member has a longitudinal opening with a lip. The stop member is configured to be received within the longitudinal opening and positioned such that the stop member engages with the lip and rotates within the longitudinal opening.