Abstract: A window shade may include a shade, and each of a top portion and a bottom portion thereof has a mount bar. The shade is installed into a sliding unit through the mount bar on the top portion of the shade, and the mount bar on the bottom portion of the shade is coupled with a weight track. The mount bars on the top portion and the bottom portion of the shade are adapted to enable the shade to horizontally install on a top track of a window curtain and also to enable the weight of the weight track to be evenly distributed on the bottom portion of the shade, thereby smoothing the operation of the shade.

Abstract: A hanging weight structure for a curtain has a hanging weight member, a connecting member, and two cover caps. The hanging weight member has two sides respectively mounted with the slot and the longer slot, and then each two hanging weight members are connected by a connecting member, so that each hanging weight member located at the lower portion of the curtain sheet is connected to each other through the connecting member to ensure the stability of the hem of the curtain sheet and maintain the curtain sheets being straight when they are collected or unfolded. Furthermore, a cover cap has the positioning rod that positioning the connecting member, which helps to improve the shading and dimming effect of the curtain sheets.

Abstract: A hanging weight structure for a curtain has a hanging weight member, a connecting member, and two cover caps. The hanging weight member has two sides respectively mounted with the slot and the longer slot, and then each two hanging weight members are connected by a connecting member, so that each hanging weight member located at the lower portion of the curtain sheet is connected to each other through the connecting member to ensure the stability of the hem of the curtain sheet and maintain the curtain sheets being straight when they are collected or unfolded. Furthermore, a cover cap has the positioning rod that positioning the connecting member, which helps to improve the shading and dimming effect of the curtain sheets.

Abstract: Hanging blinds includes an upper track and a plurality of sliders. The upper track has at least a first track and a second track respectively having a sliding slot. Each of sliders has a guiding groove and a positioning groove. A sliding block is disposed at an end of the positioning groove and enabling the slider to be mounted onto a guiding groove of an adjacent slider. Each slider is mounted onto one sliding slot of the first and second tracks. A last slider on the second track has at least two positioning blocks locking with an end of the second track. The sliders other than the last slider each has a pulley. The last slider on the first track has a crossing pulley slidably mounted in the sliding slot of the second track. The crossing pulley is disposed before a pulley of a first slider on the second track.

Abstract: A window shade may include a shade, a sliding base, a weight track, a first blocking unit, and two second blocking units. The shade has two mount bars respectively formed at an upper end and a lower end thereof, and the shade is connected to the sliding base and the weight track through the two mount bars. The position of the sliding base is limited by the first blocking unit while the second blocking units are configured to limit the position of the weight track. With the first blocking unit and the two second blocking units, the shade can be replaced easily, and also the structural stability of the window shade is improved.

Abstract: A vertical blind structure has: an upper track, at least one track set and a plurality of blades. The upper track with an adjustable length has an inner track and an outer track, and the inner track and the outer track are disposed on a same side and connected to each other with a connecting track. The inner and outer tracks of the upper track respectively have an engaging portion and further have a plurality of clamping members. The at least one track set has a plurality of sliding tracks parallel with each other, and each sliding track has a positioning groove and a corresponding limiting groove at two opposite sides and a storing groove at a bottom side. An end of each positioning groove of the sliding track comprises a sliding block.

Abstract: A tube connector has a connecting member and two tightening sleeves. The connecting member has a circular shaft portion, and two ends of the circular shaft portion respectively have a cone-shaped stud with a threaded section. Each cone-shaped stud has a socket, and the socket has a positioning end larger than an outer diameter of the socket. The tightening sleeves respectively jacket onto two ends of the connecting member, an end of each tightening sleeve has a tapered screw hole, and another end has a through aperture connecting to the taper screw hole.

Abstract: A window shade may include a shade, a sliding base, a weight track, a first blocking unit, and two second blocking units. The shade has two mount bars respectively formed at an upper end and a lower end thereof, and the shade is connected to the sliding base and the weight track through the two mount bars. The position of the sliding base is limited by the first blocking unit while the second blocking units are configured to limit the position of the weight track. With the first blocking unit and the two second blocking units, the shade can be replaced easily, and also the structural stability of the window shade is improved.

Abstract: A window curtain may include a top track, at least a sliding unit, and a plurality of shades, and the top track has at least two track rods sleeved together, which reduces the packaging and shipping costs. Each of the track rods is hollow to form a channel therein, and the channel comprises two vertical guide tracks. The sliding unit comprises a plurality of first sliding bases formed in parallel, and each of the first sliding bases other than the innermost one is connected to a second sliding base. Each of the second sliding bases comprises a pulley support, and each of the pulley supports has at least a pulley set installed thereon. The pulley sets are adapted to slide along the track rods through the guide tracks which have no height difference so as to improve the smoothness of sliding movement of the pulley sets.

Abstract: A window curtain may include a top track, at least a sliding unit, and a plurality of shades, and the top track has at least two track rods sleeved together, which reduces the packaging and shipping costs. Each of the track rods is hollow to form a channel therein, and the channel comprises two vertical guide tracks. The sliding unit comprises a plurality of first sliding bases formed in parallel, and each of the first sliding bases other than the innermost one is connected to a second sliding base. Each of the second sliding bases comprises a pulley support, and each of the pulley supports has at least a pulley set installed thereon. The pulley sets are adapted to slide along the track rods through the guide tracks which have no height difference so as to improve the smoothness of sliding movement of the pulley sets.

Abstract: A window shade may include a shade, and each of a top portion and a bottom portion thereof has a mount bar. The shade is installed into a sliding unit through the mount bar on the top portion of the shade, and the mount bar on the bottom portion of the shade is coupled with a weight track. The mount bars on the top portion and the bottom portion of the shade are adapted to enable the shade to horizontally install on a top track of a window curtain and also to enable the weight of the weight track to be evenly distributed on the bottom portion of the shade, thereby smoothing the operation of the shade.

Abstract: A tube connector has a connecting member and two tightening sleeves. The connecting member has a circular shaft portion, and two ends of the circular shaft portion respectively have a cone-shaped stud with a threaded section. Each cone-shaped stud has a socket, and the socket has a positioning end larger than an outer diameter of the socket. The tightening sleeves respectively jacket onto two ends of the connecting member, an end of each tightening sleeve has a tapered screw hole, and another end has a through aperture connecting to the taper screw hole.

Abstract: A crank structure for a curtain has a base, a rolling wheel set, an engagement set and a crank. The base has a bottom plate and a limiting frame. The rolling wheel set is disposed in the storing space of the base and has two rolling wheels. Each central aperture is jacketed onto the central shaft of the storing space. The two rolling wheels is further respectively provided with a braking gear and an inclined ring. Each inclined ring has a plurality of engagement ribs. The engagement set disposed in the assembling portion of the base and has a socket, a supporting wheel and a bottom member. An engaging pattern is provided at a periphery of the supporting wheel, a passive gear is provided at the supporting wheel, and a shaft is provide at a center position of the supporting wheel.

Abstract: A crank structure for a curtain has a base, a rolling wheel set, an engagement set and a crank. The base has a bottom plate and a limiting frame. The rolling wheel set is disposed in the storing space of the base and has two rolling wheels. Each central aperture is jacketed onto the central shaft of the storing space. The two rolling wheels is further respectively provided with a braking gear and an inclined ring. Each inclined ring has a plurality of engagement ribs. The engagement set disposed in the assembling portion of the base and has a socket, a supporting wheel and a bottom member. An engaging pattern is provided at a periphery of the supporting wheel, a passive gear is provided at the supporting wheel, and a shaft is provide at a center position of the supporting wheel.

Abstract: A vertical blind structure has: an upper track, at least one track set and a plurality of blades. The upper track with an adjustable length has an inner track and an outer track, and the inner track and the outer track are disposed on a same side and connected to each other with a connecting track. The inner and outer tracks of the upper track respectively have an engaging portion and further have a plurality of clamping members. The at least one track set has a plurality of sliding tracks parallel with each other, and each sliding track has a positioning groove and a corresponding limiting groove at two opposite sides and a storing groove at a bottom side. An end of each positioning groove of the sliding track comprises a sliding block.

Abstract: A window blinds may comprise a headrail, a plurality of track bars, and a plurality of blinds. The headrail has a plurality of parallel rail portions, and two covers respectively cover two lateral ends of the headrail. Each of guiding members formed at an upper portion of the track bar is configured to be received in the rail portion of the headrail. Each of the track bars comprises a connecting groove at a lower portion thereof, and each of the blinds is connected to a strip at an upper edge thereof which is configured to be coupled in the connecting groove. The guiding members of the track bars are arranged and limited in the rail portion of the headrail, thereby enabling the window blinds to be assembled and used easily and reducing the sizes of the headrail and the track bars.

Abstract: A container structure is disclosed. The container structure may include a container body and two movable supporting units. When the container body is used as a regular container, two movable supporting units has not been extended from the container body; and the covering rod, extending rod, connecting rods of the movable supporting units are conjugated with the horizontal supporting columns and connecting posts respectively to reinforce the structure of the container body, so that the reinforced container body can have a better status to sustain heavier weight. Furthermore, the movable supporting units can extend to expand the space of the container body to receive more items to reduce the transportation costs; and when the container is not used for storage purposes, the expanded space can be used for other purposes.

Abstract: A structure to secure a curtain rope includes a base and an engaging body. The bases engages with the engaging body to secure the curtain rope, and a securing unit is provided to secure the structure to a wall surface, so that the curtain rope is restricted to the wall by the securing unit, which increases the convenience for the user to control the curtain rope, and prevents small children from being tripped over and strangulation accidents.

Abstract: An improved curtain guiding block structure may include a block body, a first wheel base, a second wheel base and a plurality of rolling balls. During the assembly process, the second wheel base is inserted into the circular hole of the block body from one side, and the first wheel base is inserted into the circular hole of the block body from the other side after the rolling balls are disposed therein; and the guiding post plugs into the through hole of the second wheel base to complete the assembly process without using any additional tools.

Abstract: An improved curtain guiding block structure may include a block body, a first wheel base, a second wheel base and a plurality of rolling balls. During the assembly process, the second wheel base is inserted into the circular hole of the block body from one side, and the first wheel base is inserted into the circular hole of the block body from the other side after the rolling balls are disposed therein; and the guiding post plugs into the through hole of the second wheel base to complete the assembly process without using any additional tools.