A shaft assembly for a protective or closing device comprises a hollow-shaped hollow section body and a drive unit. The shaft assembly is arranged to be mounted between a first support bearing and a second support bearing. The hollow section body is rotatable about longitudinal axis thereof and arranged to accommodate a curtain or a panel. The drive unit is at least partially accommodated in the hollow section body. The drive unit comprises an output for rotatably driving the hollow section body. The hollow section body comprises a first end and a second end and extends between the first support bearing and the second support bearing. At least at the first end or at the second end of the hollow section body, a connecting sleeve is provided. A biasing element is arranged between the hollow section body and the connecting sleeve. The connecting sleeve is axially displaceable relative to the hollow section body against a force applied by the biasing element.

A mounting element for mounting an architectural covering between two opposing mounting surfaces includes an elongate mounting member having a first end, a second end, and a guide surface. The mounting element also includes a telescopic extender arranged at one of the first end or the second end of the elongate mounting member, with the telescopic extending being operable between a retracted configuration and an extended configuration. The telescopic extender includes a slidable body to slide along the guide surface so as to lengthen the mounting element, and a locking member configured: i) to allow the slidable body to slide in the first translation direction, and ii) to prevent the slidable body from sliding in a second translation direction opposite the first translation direction. In addition, the telescopic extending includes a release mechanism configured to cooperate with the locking member.

A folding shade device includes a support, a rotating shaft, an adjusting shaft and a shade. The support includes first and second mounting units. The first mounting unit includes a first engagement portion and the second mounting unit includes a second engagement portion. The rotating shaft is rotatably engaged with the first engagement portion of the first mounting unit. The adjusting shaft is made of a non-metal material and includes a first end and a second end. The first end of the adjusting shaft is fitted with the rotating shaft. The second end of the adjusting shaft is rotatably engaged with the second engagement portion of the second mounting unit. The shade includes a first end configured to be fixed around the rotating shaft and the adjusting shaft, and a second end configured to be fixed to a weight.

The invention is a roller shade tube assembly with a main housing having a lumen divided into two sections by an internal spring stop. The distal end of the main housing has a recessed mounting cavity coupleable to a motor. The proximal end of the main housing has one or more interlocking fingers. A spring inside the proximal lumen abuts the spring stop. An inner guide cylinder is coupled to slide inside the main housing against the spring and coupled to a lumen of an auxiliary housing that is movably coupled to the main housing. The distal end of the auxiliary housing includes one or more complementary interlocking fingers and a second recessed mounting cavity at its proximal end. Wall mounting brackets on each side of the tube assembly are configured to fit into the recessed mounting cavities. A shade fabric is coupled to the roller shade tube assembly.

A flexible curtain defines a major surface and is configured to repeatedly actuate to move between a deployed configuration and a stowed configuration. Two sensors are configured to detect different condition and are removably attached to two sensor attachment locations. The major surface extends across an operational surface of a target system such that the sensors detect the conditions of the target system when the flexible curtain defines the deployed configuration. The flexible curtain and the sensors converge at a predetermined edge of the flexible curtain to expose the operational surface of the target system when the flexible curtain defines the stowed configuration.

A support arrangement is provided for mounting in a wall or roof for supporting at least one extendable covering, the covering being arranged for movement between a retracted state and an extended state for at least partly covering an opening in the wall or roof. The support arrangement includes at least one elongated support member adapted to be attached to a wall portion or roof portion defining the opening and a closing structure for at least substantially concealing the elongated support member.

A retractable antenna assembly includes a planar antenna and a retraction mechanism. The planar antenna is affixed to the retraction mechanism and is selectively extendable and retractable therefrom. The planar antenna includes an antenna element having one or more antenna element segments. The retraction mechanism includes an elongated main body that is operatively coupled to at least two end brackets that mount the retraction mechanism to a supporting structure. The elongated main body includes a tubular sidewall having an outer surface that defines an interior space in which a cable and a preamplifier circuit are situated.

A mounting element for mounting an architectural covering between two opposing mounting surfaces includes an elongate mounting member having a first end, a second end, and a guide surface. The mounting element also includes an extension mechanism arranged at the first end and operable between: i) a retracted state, and ii) an extended state, and a telescopic extender arranged at the second end and operable between a retracted configuration and an extended configuration. The telescopic extender includes a slidable body to slide along the guide surface so as to lengthen the mounting element, and a locking member configured: i) to allow the slidable body to slide in the first translation direction, and ii) to prevent the slidable body from sliding in a second translation direction opposite the first translation direction.

A roller shutter which is convenient to mount, comprising a roller shutter body (1) with a rolling pipe (2), wherein a positioning sleeve (41) embedded in the rolling pipe (2) and a retractable fixing assembly (4) located in the positioning sleeve are arranged on at least one end of the roller shutter body (1); the positioning sleeve (41) is fixedly connected to the rolling pipe (2); the positioning sleeve (41) and the retractable fixing assembly (4) can rotate in a relative manner; and the retractable fixing assembly (4) comprises a self-locking retractable mechanism and a retaining plug assembly for bearing against a wall surface to increase a friction force. The roller shutter is convenient to mount and dismount, and the distance between fixed points at two sides of the roller shutter can be adjusted according to the width of a window.

A shaft assembly for a protective or closing device comprises a hollow-shaped hollow section body and a drive unit. The shaft assembly is arranged to be mounted between a first support bearing and a second support bearing. The hollow section body is rotatable about longitudinal axis thereof and arranged to accommodate a curtain or a panel. The drive unit is at least partially accommodated in the hollow section body. The drive unit comprises an output for rotatably driving the hollow section body. The hollow section body comprises a first end and a second end and extends between the first support bearing and the second support bearing. At least at the first end or at the second end of the hollow section body, a connecting sleeve is provided. A biasing element is arranged between the hollow section body and the connecting sleeve. The connecting sleeve is axially displaceable relative to the hollow section body against a force applied by the biasing element.