553 results about "Venetian blinds" patented technology

A shutter in an insulating glass with improved structure, which is a frame surrounded by upper, lower, left and right window frames and first, second, third and fourth corner joints, an upper beam, a first and a first Two uprights, front and rear glass and venetian blinds components. The venetian blinds components are composed of bottom strips, several blades and rotating shafts, limit sleeves, steering ropes, traction ropes, blade lifting mechanisms and blade turning mechanisms. The blade lifting mechanism is composed of The magnetic iron traction inner slider and the magnetic iron outer slider are composed, wherein the magnetic iron traction inner slider is located in the second column, the upper end of the magnetic iron traction inner slider is connected with a traction rope, and the magnetic iron outer slider is located outside the front glass and is pulled with the magnetic iron Corresponding to the inner sliding block, it is characterized in that a counterweight is fixed at the lower end of the magnetic iron traction inner sliding block. Advantages: labor-saving lifting, low production cost and simple structure; quick lifting and lowering; shutters can be easily operated no matter they are installed in a high or low position.

The invention provides a blind window with built-in single-control double-layer hollow glass, and belongs to the technical field of sunshade hollow glass products. The blind window with the built-in single-control double-layer hollow glass comprises a window body and venetian blind blade overturning devices, wherein the window body comprises inner glass, outer glass, an upper transverse frame strip, a lower transverse frame strip, a left longitudinal frame strip and a right longitudinal frame strip; and the venetian blind blade overturning devices are arranged on connectors of corners of a frame of the window body. The blind window with the built-in single-control double-layer hollow glass is characterized in that each venetian blind blade overturning device comprises a supporting mechanism, a blade overturning wheel, a clutch mechanism, a blade overturning shaft and a clutch shielding mechanism; each supporting mechanism is arranged on the connector of the corresponding corner of the frame of the window body; each blade overturning wheel is fixed on a corresponding blade overturning wheel shaft; each clutch mechanism is arranged on the corresponding supporting mechanism; each blade overturning shaft is connected with the right end of a corresponding blade overturning shaft sleeve; and each clutch shielding mechanism is matched with the corresponding supporting mechanism. When each clutch mechanism is connected with the right end of the corresponding blade overturning wheel shaft, each blade overturning wheel drives the corresponding blade overturning wheel shaft; and when blades of a venetian blind are overturned to be closed, the blade overturning wheels rotate independently, movement resistance of a blade overturning traction rope is reduced obviously, the blade overturning traction rope is prevented from being rubbed and damaged, and the blade overturning wheels are prevented from being damaged.

A motorized venetian blind system for covering a window of a space comprising a blind drive unit having two motors to provide for independent control of a position of a bottom rail and a tilt angle of a plurality of slats of the blind system. The blind drive unit is operable to adjust the position of the bottom rail to a preset position, and to adjust the tilt angle of the slats to a preset angle in response to receiving a single digital message (e.g., a preset command). The blind drive unit is operable to automatically adjust the position of the bottom rail and the tilt angle of the slats to limit a direct sunlight penetration distance in the space to a maximum direct sunlight penetration distance, and to maximum a reflected sunlight penetration distance on a ceiling of the space, while minimizing occupant distractions.

A cord winding device for a Venetian blind includes a receiving unit, a resilient driving unit mounted in the receiving unit, a braking unit mounted in the receiving unit and adjacent to the resilient driving unit, and a unidirectional damping unit mounted in the receiving unit. Through cooperation between the braking unit and the resilient driving unit, during winding and unwinding of pull cords, a bottom rail can be descended slowly and stopped conveniently at any desired height.

A cord retaining device for non-cord Venetian blinds include two sheltering caps, two snap members, two fixing seats, and two double-sided adhesive pieces wherein the sheltering cap has a registration cavity defined at the bottom side therein, and a through hole disposed at the top thereon. The snap member, shaped in form conforming to that of the registration cavity of the sheltering cap, has a support piece with a cord passage protruding at the top thereon, and an arc-shaped retaining cavity with an outwardly extended guide arc indented at the bottom side therein. The fixing seat has a solid coupling ball block extending at the top surface of a base thereon in match to the retaining cavity thereof, and the double-sided adhesive piece is shaped like the base of the fixing seat thereof. In assembly, retaining cords are tied up to the support pieces of the snap members by the bottom ends thereof before the snap members are registered with the ball blocks of the fixing seats that are mounted on top of the double-sided adhesive pieces fastened to both lateral sides of a windowsill. Thus, in case children curiously extending their heads out of the windowsill get caught by the retaining cords, the retaining cords pulled by the children struggling to get free there-from will draw upwards the snap members therewith and detach the retaining cavities thereof off from the ball blocks of the fixing seats in the first moment of emergency, efficiently preventing children from getting cut or strangled by the retaining cords to protect the safety of the family.

A cordless activating device for a venetian blind has a central reeling device, two string-guides and a main string. The central reeling device has a U-shaped mounting bracket, a resilient coiling device and a clutch. The resilient coiling device comprises a spring spool, a take-up reel and a specifically designed S-shaped recoiling spring. The clutch selectively locks the resilient coiling device in place and activates the resilient coiling device. The string-guides are mounted on opposite ends of the central reeling device. The main string is attached to and controlled by the central reeling device, is wound around the two string-guides and the resilient coiling device and is connected to two draw strings that extend down through the venetian blind. When the clutch activates the resilient coiling device, the resilient coiling device winds the main string onto the take-up reel, and the venetian blind automatically rises.

A Venetian blind includes a control, a square transmission shaft joined to the control, an external tube, and a reel tube having an external spiral groove, along which a lift cord is wound; the external tube has two elongate protrusions parallel to an axis thereof on an outer side; the elongate protrusions define a tunnel in between, and have opposing gaps on the edges thereof, and they are formed with such a shape that a lengthways-extending aperture is provided between edges thereof; a tilt cord is passed over, and joined to the external tube with a middle knot thereof being detained in the tunnel of the external tube, and with two ends thereof being passed through the gaps of the elongate protrusions of the external tube; thus, the tilt cord will always move together with the external tube.

A non-pull cord operable Venetian blind includes a retaining device located at each end of a lower beam of a Venetian blind therein in working with a retaining cord. The retaining device is made up of a holding sleeve, a driven member adapted at the holding sleeve therein, a limiting spring joined to one side of the driven member with a pair of left and right stop legs protruding at a limiting hole of the holding sleeve, a rotary member to activate the driven member therewith, and an outer cap applied at the outer side of the holding sleeve. The retaining cord is wound through alternative left and right blades of the rotary member and clamped by abutting ribs of the holding sleeve before led straight downwards to be securely located at a windowsill at the bottom end thereof. Via the guidance of the retaining cord, the rotary member of the retaining device is rotated either counter-clockwise when the lower beam is pushed upwards to gather up the Venetian blind, or clockwise when the lower beam is drawn downwards to unfold the Venetian blind thereof. Meanwhile, three layers of frictional resistance are formed therewith in operation, ensuring the smooth and precise movements of the Venetian blind without any other pull cords applied thereon so as to keep the safety of children in the household.

A Venetian blind operated with a non-pull cord structure includes a blind embodiment, a lower beam having a pivot hole disposed at the bottom side of each end thereon, and a control unit and a sealing cap to be sequentially adapted to each end of the lower beam thereof wherein the control unit has a housing cavity indented at one side thereof to which the sealing cap is joined at one side in sealing engagement therewith. At one inner side of the housing cavity thereof is disposed a sloped and serrated guiding face correspondingly matched to a retaining gear element which is abutted against a retaining shaft adapted to a coupling rod and a fixing rod of the housing cavity and the sealing cap thereof respectively to clamp tight a left / right retaining cord of the blind embodiment there-between before the left / right retaining cord is led through the pivot hole of the lower beam and fixed to a windowsill at the bottom end thereof. In operation, the lower beam is tilted upwards at one side to detach the left / right retaining cord from the clamping location thereof so that the blind embodiment can be adjusted upwards or downwards before the lower beam is horizontally set right to clamp tight the left / right retaining cord via the control unit thereof and relocate the blind embodiment at an adjusted position thereby, precisely gathering up or unfolding the blind embodiment in an easy and fast manner without any pull cords applied thereon so as to protect the safety of children in the household.

The present invention discloses a window blind within a multi-pane window. A window blind disposed between first and second panes includes a plurality of slats. Raise / lower and tilt lines are coupled to the slats. A carriage housing is disposed between the panes proximate a side edge thereof. A tilt strip is disposed within the carriage housing and coupled to the tilt lines. An inner carriage disposed within the carriage housing includes an upper portion coupled to the raise / lower lines to actuate raising and lowering the slats, and a lower portion coupled to the tilt strip to actuate tilting the slats. An external carriage is adjacent the exterior surface and aligned with and magnetically coupled to the inner carriage. The external carriage is linearly movable to move the inner carriage. A method of adjusting a window blind within a multi-pane window is also disclosed.

An actuator mechanism for window coverings, such as, Venetian blinds that eliminates the use of pull cords and tilting wands is provided. The actuator mechanism includes a stop member engageable with at least one of the slats to stop tilting movement thereof and a clutch arrangement between a drive axle and a tilt control mechanism, responsive to the stop member engaging at least one of the slats, to disengage the tilting force applied to a ladder cord supporting the slats.

A headrail for a venetian type blind or pleated shade has an insert that carries a cord lock. The insert fits into the end of the headrail and is carried by a slot or rib on the sidewalls of the headrail. A pair of pockets are provided on the insert. The pockets are positioned so that one pocket is adjacent each sidewall when the insert is attached to the end of a headrail. The pockets are sized and configured to receive a cord lock such that the cord lock can be easily removed from one pocket and placed in the other pocket by an installer. The pockets preferably are oriented so that a cord passing through the cord lock will run along a path that is not parallel to the sidewalls but is at an angle of about 10°.