A roof structure that can provide a drone port where a drone can stably take off and land on a sloping roof includes a sloping roof covering the upper part of a building, a drone accommodation portion that has a size capable of accommodating a drone and is provided to cut out a part of the sloping roof so that a bottom surface is substantially horizontal, a drone port that is provided on the bottom surface of the drone accommodation portion where the drone can take off and land, a cover that covers an opening formed on the sloping roof for the drone accommodation portion, and a doorway that is provided on the drone accommodation portion and allows the drone to enter and exit, in which the cover is configured to be openable and closable, and the doorway is opened and closed by opening and closing of the cover.

This automatic gate assembly includes at least one first automatic gate and at least one second automatic gate. The or each first automatic gate includes a first frame defining a first passage, at least one first obstacle, chosen from the following obstacles: swing leaf, laterally sliding leaf, pivoting leaf, for selectively closing and opening the first passage, and a first motor assembly for moving the first obstacle. The or each second automatic gate includes a second frame defining a second passage, at least one second obstacle, different to the first obstacle and chosen from the following obstacles: swing leaf, laterally sliding leaf, pivoting leaf, for selectively closing and opening the second passage, and a second motor assembly for moving the second obstacle. The first and second motor assemblies are substantially identical to each other.

A closure member (e.g., door) stop includes a base having a top portion opposite a bottom portion, the bottom portion being configured for affixing to an installation point associated with the closure member, a flexure extending away from the top portion, a cushion comprising an angled face and an impact face, the impact face being configured to interface with the closure member during closing of the closure member, and the angled face being configured to interface with the closure member during opening of the closure member. The flexure provides an operable, bendable connection between the cushion and the base. Also, a lever is operably connected to the cushion and the flexure and configured to move the cushion away from a swing path of the closure member. The cushion extends into a swing path of the closure member when the closure member stop is at rest in the installed position.

This electric screen device is provided with an electric motor that causes slidable screen mounting frame part(s) to automatically slide. Torque generated by rotation of a rotation shaft of the electric motor is transmitted to a tension member that is provided inside the screen mounting frame parts, that connects screen guiding frame parts to each other at free ends thereof, and that forms a loop. The tension member moves in a state of being hung around the folded portions which apply tension to the tension member. The slidable screen mounting frame part(s) automatically slide in association with movement of the tension member. Thus, the screen automatically opens and closes.

A dimmer mechanism is movable by a motor that is powered by solar-charged supercapacitors between a first configuration, in which the dimmer mechanism blocks little of the interior of a skylight tube to maximize light throughput into a room, and a second configuration, in which the dimmer mechanism blocks more of the interior of a skylight tube to reduce light throughput into the room.

This automatic gate assembly includes at least one first automatic gate and at least one second automatic gate. The or each first automatic gate includes a first frame defining a first passage, at least one first obstacle, chosen from the following obstacles: swing leaf, laterally sliding leaf, pivoting leaf, for selectively closing and opening the first passage, and a first motor assembly for moving the first obstacle. The or each second automatic gate includes a second frame defining a second passage, at least one second obstacle, different to the first obstacle and chosen from the following obstacles: swing leaf, laterally sliding leaf, pivoting leaf, for selectively closing and opening the second passage, and a second motor assembly for moving the second obstacle. The first and second motor assemblies are substantially identical to each other.

A hinge for the rotatable movement of a closing element, such as a door, a window, a shutter or the like, includes a fixed element anchorable to a stationary support structure and a mobile element anchorable to the closing element. The fixed and movable elements are mutually coupled so as to rotate with respect to each other between an open position and a closed position. One of the fixed or movable element includes a working chamber, with a plunger disposed to slide along a longitudinal axis and operatively coupled with the other one of the fixed or movable elements so that the sliding of the plunger corresponds to a rotation of the movable element.

A hatch actuating device can include a housing; a sliding portion received within the housing; a gear assembly at least partially received within the housing and movably coupled to the sliding portion; and a flexible drive element coupled to the gear assembly; wherein the gear assembly is configured to open a hatch lid of a hatch through rotation of a portion of the gear assembly by pulling of the drive element.

It is described herein a venting apparatus for an opening in a roof. The venting apparatus for an opening in a roof may comprise a structural frame, an adapter, a mount, a hinge, and a latch. The adapter may comprise a frame adapter section, a lip extending inwardly from a portion of the frame adapter section inner surface, and a protrusion extending upwardly from the lip. The frame adapter section may be configured to fit around an outer surface of the structural frame while the mount may be configured to fit around an outer surface of the protrusion. The latch may be configured to receive a signal from a device when the device detects the presence of smoke within the building to cause the latch to change from a latch closed position to a latch opened position.

The invention relates to a device (100) for providing a crossover point between a first region (1) and a second region (2) hermetically delimited from the first region (1) by means of a wall (10), wherein the device comprises:a lock chamber (12), which can be inserted into an opening (11) provided in the wall and which has a first opening (13) forming a crossover point between the first region and the lock chamber and which has a second opening (14) forming a crossover point between the second region and the lock chamber;at least one peripherally circulating element (15), which has at least one passage opening (15.1; 19.1; 15.2; 19.2) and can be moved in relation to the first and the second opening of the lock chamber so that at least a first state, in which the at least one passage opening is substantially aligned with the first opening of the lock chamber and enables access from the first region into the lock chamber and the peripherally circulating element covers the second opening of the lock chamber substantially completely, and a second state, in which the at least one passage opening is substantially aligned with the second opening of the lock chamber and enables access from the second region into the lock chamber and the peripherally circulating element covers the first opening of the lock chamber substantially completely, can be selectively effected.