An actuating system includes an actuating wheel coupled to an operating element, an axle coupling part disposed substantially coaxial to the actuating wheel and rotatable for raising or lowering a bottom part of a window shade, and a clutching part carried with a carrier and movably linked to the actuating wheel. The clutching part is movable between a retracted state for disengaging from the axle coupling part and an extended state for engaging with the axle coupling part. The actuating wheel is rotatable in a first direction to urge the clutching part to move from the retracted state to the extended state and drive the carrier and the axle coupling part to rotate in unison, and in a second direction to urge the clutching part to move from the extended state to the retracted state so that the actuating wheel is rotationally decoupled from the axle coupling part.

A shade adapted for covering a classroom viewing window and assisting with compliance with emergency protocol during an emergency is disclosed. The shade may include a plurality folds connected to each other by a plurality of hinges configured to cover a classroom viewing window. Emergency related information and status indicators may be revealed upon the unfolding of the shade to assist teachers, school officials, police, and others to comply with established school emergency protocol. The shade further fulfills the requirement that the classroom viewing window be covered during an emergency lockdown. The shade may function as a standard “Exit” sign during non-emergency time.

A motorized window treatment has a headrail, a first operable rail and a second operable rail, a driving device, a distance detection circuit, a receiving circuit and a motor control circuit. The motor control circuit is coupled with the receiving circuit and the distance detection circuit for configuring the driving device to move the first operable rail and the second operable rail according to the signals received by the receiving circuit. When the receiving circuit receives a command signal to move the second operable rail towards a target position and the first operable rail locates between the second operable rail and the target position, the motor control circuit configures the driving device to move the second operable rail and the first operable rail collectively towards the target position.

In one aspect, a covering for an architectural structure includes first and second rails and a cellular blanket extending between the first and second rails. One of the first rail or the second rail defines an interior storage cavity for receiving a portion of the cellular blanket to allow a drop length of the covering to be adjusted.

A screen assembly used with a fenestration unit, the screen assembly capable of being installed at manufacture or retroactively to fenestration units. The screen assembly is installable on a fenestration unit having a frame and a window sash. The screen assembly includes a housing having a first housing member and a second housing member, wherein the housing forms a screen retention space between the first and second housing members when the screen assembly is in a closed position. It further includes a pleated screen positioned between the first and second housing members when the screen assembly is in the closed position, wherein the pleated screen includes a first end coupled to the first housing member and a second end coupled to the second housing member. The screen assembly also includes a catch element configured to releasably engage with the window sash.

An actuating system for a window shade includes an axle coupling part rotatable for raising or lowering a bottom part of a window shade, an arresting part and an arrester coupling part connected with each other, the arresting part having a braking state and a release state, a clutching part carried with the arrester coupling part and movable relative to the arrester coupling part between a retracted state where the clutching part is disengaged from the axle coupling part and an extended state where the clutching part is engaged with the axle coupling part, and an actuating wheel movably linked to the clutching part, the actuating wheel being rotatable in a first direction to urge the clutching part to move from the retracted state to the extended state, and in an opposite second direction to urge the clutching part to move from the extended state to the retracted state.

An actuating system for a window shade includes a first rotary axle rotatable for displacing a bottom part, a second rotary axle rotatable for displacing an intermediate rail, and a limiting mechanism including a first and a second sliding part respectively linked movably to the first and second rotary axle. The first sliding part slides in a first direction when the first rotary axle rotates for lowering the bottom part and in a second direction when the first rotary axle rotates for raising the bottom part. The second sliding part slides in the first direction when the second rotary axle rotates for lowering the intermediate rail and in the second direction when the second rotary axle rotates for raising the intermediate rail. The first sliding part is prevented from sliding in the second direction via a contact between the first sliding part and the second sliding part.

A window covering includes a headrail, a covering material located below the headrail, a rotating member connected to the covering material and provided in the headrail, a motor provided in the headrail and coupled to the rotating member, and a control device provided in the headrail and electrically connected to the motor. The headrail has a longitudinal direction. The rotating member is adapted to drive the covering material to expand or collapse. The motor drives the rotating member to rotate. When a moving speed of a lower end of the covering material decreases and such situation lasts for a predetermined time, the control device controls the motor to stop operating. Whereby, no matter whether the covering material is fully expanded, fully collapsed, or encounters resistance somewhere in between, the motor could all be stopped.

A battery-powered motorized window treatment for covering at least a portion of a window may be adjusted into a service position to allow for access to at least one battery that is powering the motorized window treatment. A headrail of the motorized window treatment may be adjusted to the service position to allow for easy replacement of the batteries without unmounting the headrail and without requiring tools. The motorized window treatment may comprise brackets having buttons that may be actuated to release the headrail from a locked position, such that the head rail may be rotated into the service position. The headrail easily rotates through a controlled movement into the service position, such that a user only needs one free hand available to move the motorized window treatment into the service position and change the batteries.

A handle is releasably secured to a rail wall by means of fasteners extending from inside the rail. An actuator shaft pushes against a contact plate to move a movable braking member to stop the rotation of a rod inside the rail.