Abstract: A blind capable of stepless positioning includes a control unit which controls the positioning of a shade, is disposed in a roller, and has a fixed sleeve, a spindle, a movable sleeve and a pre-torque spring. The fixed sleeve is fixedly disposed at a roller holder and fitted around one end of the spindle, whereas the movable sleeve is fixedly disposed at the roller and fitted around the other end of the spindle; hence, the movable sleeve rotates together with the roller. The pre-torque spring is fitted around the spindle and has two ends connected to the fixed sleeve and the movable sleeve, respectively, such that the pre-torque spring operates in conjunction with the movable sleeve. While the shade is being rolled up and rolled down, a predetermined torque level of the pre-torque spring matches the length of the shade to therefore brake the shade at any height.

Abstract: A curtain assembly includes a top rail and a bottom rail, and a curtain is connected between the top and bottom rails. At least one wire extends through the top rail, the curtain and the bottom rail so as to collect and expand the curtain. A resilient member is horizontally connected to the top rail. The at least one wire extends through the resilient member. The two ends of the restriction member are respectively connected to the two ends of the resilient member so as to restrict the expanding distance of the resilient member. The stored force of the resilient member holds the curtain which is maintain stable and does not swing.

Abstract: A cordless curtain includes a fabric and multiple magnet units are connected to the fabric. Each magnet unit has a box with multiple magnets magnetically attached thereto. Multiple decoration pieces are connected to the fabric to form passages between the decoration pieces and the fabric. Each passage receives one of the boxes therein. An operation unit is connected to the fabric and has a head and a rod. The head is fixed to the box of the lowest box of the fabric. The rod is connected to the head which is connected to the lowest decorative piece. The user uses the rod to fold the fabric to attract the magnet units one by one.

Abstract: The operation wire scrolling device includes a resilient member with has a first end and a second end. The scrolling force of the first end is larger than that of the second end. The second end of the resilient member is securely wrapped to the central pin of the scrolling member, and the first end of the resilient member is securely wrapped to the side pin of the scrolling member. When the operation wire is pulled, the second end of the resilient member does not pull the first end of the resilient member so that the position of the curtain is set.

Abstract: A slat cutting device includes a positioning unit having two parallel side boards with a back board connected to two longitudinal sides of the side boards, and a base board is connected between the two side boards so as to define a reception recess between the two parallel side boards, the back board and the base board. A cutting unit has an operation board and two guide boards are perpendicularly connected to two sides of the operation board so as to define a space defined between the two guide boards and the operation board. Each guide board has a longitudinal cutting slit and a blade movably extends through the cutting slits to cut the slats which have one end contacting against the back board. By pulling the operation board, the desired length of the slats between the back board and the cutting unit is adjusted.

Abstract: A window curtain assembly includes a head box, and a honey-comb curtain is connected to the head box. The head box has a first securing member on a face thereof, and the honey-comb curtain has multiple first connection portions formed along two lateral sides thereof. A shade made from fabric has a second securing member which is connected to the first securing member, so that the shade is mounted on the honey-comb curtain. Multiple second connection portions are formed on the shade and located in correspondence with the first connection portions. The first and second connection portions are sewn together. The shade is folded into multiple folded sections and no operation cords are exposed.

Abstract: A honeycomb shade includes multiple honeycomb units connected continuously and each honeycomb unit includes a front part, a rear part and a non-transparent plate. Two elongate sides of the front part are connected to two elongate sides of the rear part, and each of the front and rear parts is folded along the intermediate position thereof to form the honeycomb shade. The non-transparent plate is connected to the inside of the rear part so as to reduce the light transmittance.

Abstract: A window shade includes a head box with a top shade control unit and a bottom shade control unit received therein. The top shade control unit has a first cord connected thereto and the bottom shade control unit has a second cord connected thereto. A shade unit has a top shade which is connected between the head box and an intermediate bar, and a bottom shade which is connected between the intermediate bar and a bottom bar. The first cord extends through the top shade and is connected to the intermediate bar. The second cord extends through the bottom shade and is connected to the bottom bar. The top and bottom shades can be individually controlled.

Abstract: A cord protection sleeve of cordless blinds includes a tubular and flexible body and extends through the slats. The cord freely extends through the cord protection sleeve. The cord protection sleeve has a first end and a second end, wherein the first end is fixed to the head box and the second end is fixed to the bottom bar. The cord protection sleeve is secured to the support ropes supporting the slats. Because the cord protection sleeve is secured to the support ropes, it cannot be pulled away from the blinds, thereby preventing the cord from wrapping around the limbs of kids.

Abstract: A transmission device for curtains includes a bottom board and a mandrel unit is connected on the bottom board. The mandrel unit has first frames and a mandrel which is engaged with the engaging portions of the first frames. The bottom board has multiple guide holes and the first frames are easily connected to the bottom board at the suitable guide holes. A second frame includes a bottom plate, a top plate, a wheel and multiple rollers, wherein the wheel and the rollers are connected between the bottom plate and the top plate. The wheel has a spool and a cord is wrapped between the spool and the mandrel. A coil spring is connected to the spool. Two control cords are wrapped to the mandrel and extends through the head box of the curtain and are connected to the bottom bar of the curtain.

Abstract: A curtain cable maintaining device includes a cable maintaining unit having a bottom board with a guide hole defined therethrough. A pulley set is connected on the bottom board and has a first pulley and a second pulley. The cable is wrapped to the scrolling unit, the mandrel unit, the first pulley and the second pulley, and extends through the guide hole. The cable does not contact the periphery of the guide hole so as to reduce the friction with the guide hole and the cable does not hook with the mandrel unit when moving.

Abstract: A scrolling unit for blinds includes a scrolling unit having a main wheel, at least one sub wheel and a scrolling spring. The main wheel has a spool and a cable is wrapped to the spool. The scrolling spring has an inner end and an outer end. The inner end is securely wrapped to the main wheel and the outer end is wrapped to the at least one sub wheel. The scrolling force of the inner end is larger than that of the outer end. The cable is wrapped to a mandrel unit in the head box. The cable extends through the head box and is connected to the bottom bar. The blinds are connected between the head box and the bottom bar to which the cable is fixed. The bottom bar is cooperated with the scrolling spring regardless the weight of the bottom bar.

Abstract: A curtain cable positioning device is engaged with the hole in the head box and the underside of the curtain cable positioning device is in contact with the inside of the head box. The curtain cable positioning device includes a body with two recesses defined in two opposite sides thereof and two arms extend from the underside of the body. The two arms are engaged with the hole of the head box. A slot is defined between the two arms and two notches are respectively defined in two ends of the body. The cable passes through the notch and the slot, and is connected with the curtain. The cable is not loosened or hooked to other parts in the head box.

Abstract: A Roman shade includes a top box and a shade including a first layer and a second layer is connected to the top box. The first layer includes multiple pocket portions formed thereon and the pocket portions each are defined by folding a part upward to define a passage which extends transversely through the first layer. Multiple first holes and second holes are defined through the first layer. The pocket portion is located between the first and second holes. The second layer is located on a first side of the first layer and two control ropes each have a top end connected to the top box and a lower end of each control rope extends through the first hole from the first side of the first layer and passes over a second side of the first layer and then extends through the second hole in sequence.

Abstract: A control device for blinds includes a transmission unit, a scrolling unit and a tilting unit, the transmission unit includes a case in which a coil spring and a gear unit are received. The coil spring is connected between the gear unit and the case. The scrolling unit includes two scrolling rods which are rotated with a transmission rod. Each scrolling rod has a lift cord wrapped thereon and extending through slats of the blinds. The tilting unit includes two tilt members connected to two respective end sections of the two scrolling rods. Two tilt cords have two respective positioning members which are clamped in two clamp grooves of the two tilt members and the tilt cords extend through the slats. The gears in the gear unit can be adjusted so as to cooperate with slats of different weights.

Abstract: A operation wand assembly of a curtain a curved connection member adapted to be connected to the lower rail of the curtain and having a top recess. A through hole is defined through the curved connection member and communicates with the top recess. An engaging member is received in the top recess and has a tubular portion engaged with the through hole of the curved connection member. The tubular portion includes an open bottom and two connection grooves are defined through a wall of the tubular portion. An operation wand has two radial rods extending from a top thereof and the top of the operation wand is removably inserted into the open bottom of the tubular portion. The two radial rods are engaged with the connection grooves. The operation wand can be hooked to a positioning member on a wall when not in use.

Abstract: A safety device for Roman shades includes multiple loop members connected to each of the folding lines on the shade and multiple restriction members are connected to multiple loop members. Each restriction member includes multiple extensions which spirally wrap to each other so as to define an opening therebetween. Multiple engaging members are connected to the loop members located at a lower end of the shade. Multiple control ropes each have a top end connected to the top box of the Roman shade and the lower end of each control rope extends through the openings of the restriction members and is connected to a collar. The collars can be disengaged from the engaging members. When the control ropes are pulled laterally, the collars are disengaged from the engaging members and the control ropes are disengaged from the extensions of the restriction members.

Abstract: A Roman shade includes a top box and a shade including a first layer and a second layer is connected to the top box. The first layer includes multiple pocket portions formed thereon and the pocket portions each are defined by folding a part upward to define a passage which extends transversely through the first layer. Multiple first holes and second holes are defined through the first layer. The pocket portion is located between the first and second holes. The second layer is located on a first side of the first layer and two control ropes each have a top end connected to the top box and a lower end of each control rope extends through the first hole from the first side of the first layer and passes over a second side of the first layer and then extends through the second hole in sequence.

Abstract: A Roman shade assembly includes a frame and a shade which is removably connected to the frame. The shard is composed of an inner portion and an outer portion. The inner portion has one end connected to the frame and a first connection member is connected to an outside of the end of the inner portion. Multiple first male members are connected to the inner portion. The outer portion has a second connection member connected to an inside of an end thereof and the second connection member is connected to the first connection member of the inner portion. Multiple first female members are connected the inside of the outer portion and connected to the first male member. The inner and outer portions can be easily separated from each other by disengaging the first male and female members.

Abstract: A curtain includes a top rail and a sheet of fabric having a top end connected to the top rail, a handle assembly is connected to a lower end of the sheet of fabric. The handle assembly includes two transverse bars received in the sheet of fabric and two upright bars which are removably connected to the transverse bars via connection members connected to the transverse bars from outside of the sheet of fabric. The upright bars can be separated from the transverse bars so that the curtain can be folded.