Abstract: A Window covering cutter has its base board installed with a first clamping device for clamping a Window covering, and a knife device that is positioned next to the first clamping device, having a cutting opening, a driving plate movably fixed at a side of the cutting opening, and a knife fixed on the driving plate to reciprocate transversely to cut the Window covering. A measuring device is set at one side of the knife device for stably positioning the Window covering and measuring a length between its blocking plate and the cutting opening, providing a swift and precise measurement for cutting. So, the invention can be easily operated to esthetically cut a Window covering.

Abstract: A window covering has at least an element made of polyethylene terephthalate mixed with a filler, wherein the polyethylene terephthalate has a melt strength greater than 500 Pa·s, and a ratio of the filler is between 2% and 40% by weight, and the polyethylene terephthalate is mixed with the filler in an environment with the temperature between 200 and 350. The mixture is put into an extruder for extrusion to have a long member, and then the long member is cooled for solidification and is cut to make the window covering element. The element of the window covering has a well rigidity, heat resistant, and light fastness property, and most of all, it is recyclable.

Abstract: A window covering has at least an element made of polyethylene terephthalate mixed with a filler, wherein the polyethylene terephthalate has a melt strength greater than 500 Pa·s, and a ratio of the filler is between 2% and 40% by weight, and the polyethylene terephthalate is mixed with the filler in an environment with the temperature between 200 and 350. The mixture is put into an extruder for extrusion to have a long member, and then the long member is cooled for solidification and is cut to make the window covering element. The element of the window covering has a well rigidity, heat resistant, and light fastness property, and most of all, it is recyclable.

Abstract: A cord lock of the window blinds or shade includes a box having a chamber therein, a driving device on an outer side, a first opening for a cord exiting the box, a second opening for the cord entering the box, a fixed locking portion on the outer side, and a flexible locking portion opposite the fixed locking portion; and a movable driving wheel, which is received in the chamber of the box, to be moved between a lock position, in which the movable driving wheel is moved toward the driving device to clip the cord therebetween, and a release position, in which the movable driving wheel is moved away from the driving device to release the cord. The fixed locking portion provides the box fixing to the top rail with a strong strength, and the flexible locking portion provides an easy way to mount the box on the top rail.

Abstract: A rotating control mechanism of the shutter louver is disposed at a louver and includes an anchor, a bush, and a screw. The anchor has an opening end and a closed end, so as to form a first separating portion and a second separating portion respectively corresponding to a major axis in a radial direction of the louver. The bush has a cylinder portion neighboring to the frame and embedded in the counterbored hole of the frame, and an annular flange attached to the frame and the louver and/or the opening end of the anchor with both sides respectively. The screw passes through the counterbored hole and the bush in sequence to lock the anchor, such that the anchor moves towards the major axis direction of the louver and stops at a screw on an inner surface of the axial hole, so as to prevent the louver from cracking.

Abstract: A bracket and head rail assembly is provided. A recess is formed at both ends of the upper portion of a head rail. The recess is sunken at both sides to form a first slot and a second slot. The bracket includes a body and a fastener, wherein a claw is extended from the body, and an elastic part is extended from the fastener and bears against the body, such that the fastener is slidably disposed in the body. When being assembled, the first and second slots are easily locked with the claw and the fastener, and alternatively, they are exchanged with each other for locking with the claw and the fastener respectively. Then, the head rail and the fastener are designed into a thin configuration, and then, formed by bending and processing sheets, so as to achieve the advantages of simple assembly, mass production, and nice appearance.

Abstract: A solar power charging device with a self-protection function is provided, which includes a solar cell, a rechargeable battery, and a diode. The solar cell defines an open-circuit voltage Voc and an operating voltage Vop, in which the Voc is slightly higher than the Vop. The rechargeable battery defines a battery voltage, an operating voltage of load Vload, and a maximum charging voltage Vf, in which the Vf is substantially equal to the Voc. The diode has an anode connected to the solar cell and a cathode connected to the rechargeable battery. When the battery voltage of the rechargeable battery is lower than the Vop, the solar cell provides the rechargeable battery a fully-efficient charging current. When the battery voltage is raised to be equal to the Voc, the solar cell provides the rechargeable battery a charging current of zero, thus preventing the rechargeable battery from being overcharged.

Abstract: A cord lock apparatus of a window shade is provided, which includes a base, a panel structure, and a cord gripping device. The base includes an adjustable portion allowing cords to pass through and a first-direction ascending opening is formed allowing the cords to be alternatively positioned. The panel structure having an insert plate and a second-direction ascending opening is provided allowing cords to pass through, when the cords are selectively positioned along the inclined surface, the panel structure is moved in a vertically upward or downward motion. The cord gripping device has an engaging block and a knurled roller, the engaging block is removably attached within the accommodation recess. The knurled roller is positioned near the top of the engaging block and a gap is formed therebetween, such that the knurled roller is frictionally locked with or released from the cords when the panel structure moves vertically downward or upward.

Abstract: A cord safety device for a window covering includes a first and a second body. The first body includes: a first pivot portion, disposed on a periphery; a first fixing portion, disposed on a periphery at a predetermined angle with respect to the first pivot portion; a first stop portion, disposed on an inner side of the first body and protruded towards the second body; a first recess, disposed on an upper periphery; and a guiding block, disposed on one end of the first stop portion adjacent to the first fixing portion, in which the guiding block has a guiding surface for guiding the cords. The second body includes: a second pivot portion, disposed corresponding to the first pivot portion; and a second fixing portion, disposed corresponding to the first fixing portion, thereby being separably fixed with the first fixing portion.

Abstract: A hanger assembly for displaying the louvers of vertical window blinds, being used to hang a group of louvers comprising a plurality of overlapping louvers. A hanging hole is formed passing through an end towards a major axis of the group of louvers. The hanger assembly comprises a hanging member and a connection member passing through the hanging hole of the group of louvers, in which one end is formed at a predetermined position of the hanging member and the other end is provided with at least a stopper corresponding to an extreme outside of the group of louvers to make the group of louvers axially wiggle along a predetermined portion of the connection member and to further house the hanging member in the group of louvers, preventing the hanging member from being damaged during shipment or carry and reducing a material of package and cost of stock and shipment.

Abstract: A louver blade positioning device of a motorized shutter assembly includes an indented positioning portion or a protruded portion formed upon a driving shaft and a resilient member coming into contact with the driving shaft and the indented positioning portion or the protruded portion in a radically movable manner at a fixed angle. When the louver blades are rotated to approach a specific angle, the resilient member moves into the indented positioning portion or the protruded portion. Through the resilient force exerted by the resilient member on the indented positioning portion or the protruded portion, the driving shaft rotates to approach the specific angle, such that the louver blades become positioned at the specific angle when being rotated to approach the specific angle, thereby becoming free from the angular clearance inherent among transmission components of the motorized shutter assembly.

Abstract: A blind includes a headrail, a bottomrail, a plurality of slats positioned between the headrail and the bottomrail, a plurality of ladders, a plurality of lift cords and a plurality of connectors. Each ladder is composed of two vertical portions and a plurality of rungs in parallel between the two vertical portions. The lift cords are positioned at two opposite sides of the slats and near the vertical portions of the ladders. Each slat has at least a hole near a longitudinal side edge, and a connector is deposited between the ladder and each slat. Then the connectors can combine the ladders and the lift cords with the slats in such a way that the slats can be kept from moving so as to shut off light effectively.

Abstract: A blind fixing holder includes a first convex wall and a second convex wall facing each other for assembling a roller thereon. The first and the second convex wall are respectively and symmetrically bored with a vertical slide groove and a horizontal slide groove communicating with each other. The vertical slide groove has its upper end formed with an opening and its lower end formed with a contracted neck. Thus, the opposite ends of the roller can be fitted in the horizontal slide grooves and shifted therein through the openings and the contracted necks of the two opposite vertical slide grooves. The roller can be shifted leftward or rightward in the horizontal slide groove for the pull cord at either side of the blind to be wound and supported thereon.

Abstract: An adjustable hanging apparatus for blind valances is provided. The hanging apparatus includes a hanging device and a mounting device. The hanging device has a hook, which can be slidably hooked over a headrail. In addition, a base of the hanging device has an opening. The opening is disposed with two resilient mounting plates, and each mounting plate has a plurality of troughs. A neck portion is formed therebetween the mounting plates. The mounting device has a joint portion, which can engage with the valance. Also, a jam portion passes through the neck portion and mounted therein. Positioning flanges can be engaged with the troughs of the mounting plates so as to limit the vertical movement of the mounting device, and the mounting device can be inserted through the opening in the vertical direction of any positions to adjust the valance to desired positions.

Abstract: A window covering has a headrail, a plurality of lift cords extending from the headrail and a plurality of shade elements positioned sequentially below the headrail. Each shade element has an upper edge and a lower edge which edges are substantially parallel to one another and oriented transverse to the lift cords. The shade elements are positioned so that when the shade elements are in a closed position the lower edge of one shade element abuts the upper edge of an adjacent shade element and when the shade elements are in an open position, the lower edge of the at least one shade element is spaced apart from the upper edge of an adjacent shade element. A first cord is attached to the upper edge of each shade element and a second cord is attached to the lower edge of each shade element.

Abstract: An electric blind includes a frame, a plurality of horizontal slat units, and a stepping motor. The frame has two side vertical rods pivotally connected with the slat units, and a linking rod is fixed with a lengthwise side of all the slat units, possible to force the slat units synchronously swing for an angle. The stepping motor unit is composed of a stepping motor and a controller. The stepping motor is positioned in a cavity of one of the two side vertical rods, connected with a slat of the salt units. Further the controller controls the rotating angle of the motor, and the stepping motor can rotate idle in case the motor should meet an exterior force (for example, in case of the slat units already swung to the largest angle), or the slat units are manually moved any time. Thus the electric blind may not easily be broken or damaged.

Abstract: A rail structure for window blinds is provided, which includes a body and at least one connecting member. The body has a pair of first flanges and a pair of second flanges. The first flanges are disposed on tops of two sides of the body, and the second flanges are disposed on bottoms of the two sides of the body. In addition, the connecting member is mounted to an outer surface of one side of the body, has a predetermined shape of constant cross-section profile, a length and a width, Besides, a flange is disposed on a predetermined position of the connecting member and extending to one side of the body. By the connecting members, the headrail appearance can be enhanced. Moreover, as the connecting members do not directly bear the overall or partial weight of the window blind, the rail structure can have an extended product lifetime.

Abstract: A cord lock apparatus of a window shade is provided, which comprises a base, a panel structure, and a cord gripping device. The base includes an adjustable portion allowing cords to pass through and a first-direction ascending opening is formed allowing the cords alternatively positioned. The panel structure having an insert plate and a second-direction ascending opening is provided allowing cords to pass through, when the cords are selectively positioned along the inclined surface, such panel structure is moved in a vertically upward or downward motion. The cord gripping device has an engaging block and a knurled roller, such engaging block is removably attached within the accommodation recess. The knurled roller is positioned near the top of the engaging block and a gap is formed therebetween, such that the knurled roller is frictionally locked with or released from the cords when the panel structure moves vertically downward or upward.

Abstract: A device for winding a suspension cord of a blind is provided to wind a suspension cord disposed on a blind. The suspension cord is spirally wound about a cord spool through a spiral guide groove of a guide component, and then arranged along the cord spool in sequence. Additionally, when the cord spool is connected to a power resilient element as a power source of rotation, friction force is applied to the cord spool through an adjusting component to adjust the output torque of the cord spool, such that the torque applied to the cord spool by the power resilient element can be balanced out with the torque applied to the cord spool by the gravity of the blind.

Abstract: A combination structure of a spring power assembly and a head rail is provided. A revolving shaft of a power spring is made to be perpendicular to a major axis of the head rail, so as to reduce the height of the head rail. The head rail has a first gripping part and the spring power assembly has a second gripping part corresponding to the first gripping part and a bayonet pin, which prevents the spring power assembly from being placed into the head rail along a wrong direction and/or prevents the spring power assembly from rotating along a wrong direction, so as to avoid damages to the spring power assembly caused by errors in the assembling process.