Abstract: A filter for a storm water inlet having a surface opening for receiving storm water runoff comprising liquids and solids and discharging said runoff into an interior compartment below having a substantially vertical interior wall or walls defining a cross-sectional area. The filter comprises one or more precast pervious concrete filter elements, the element or elements being formed such that the filter substantially fills the entire cross-sectional area of the interior compartment. Also, a storm water inlet including such a filter, and a method of adding such a filter to a storm water inlet.

Abstract: A lightweight watertight cover that is easily installed and positively secured in place, which provides a reliable seal to prevent flood water from entering openings such as subway ventilation shaft gratings and other porous openings that serve as entry point for flood water.

Abstract: A construction system comprising an elongate column member, an elongate beam member and at least one connector member. Each of the elongate members comprising an interior engaging portion 3B. The connector member includes a protruding keying portion 12 and mating formation 13. When the elongate column member and elongate beam members are engaged with the connector member in use, the interior engaging portion slidably receives the mating formation therein. The elongate members have a keying portion on an outside of their body to allow connection to a wall frame.

Abstract: A building in which a core is attached to a ground floor foundation slab; a roof is attached to the upper end of the core; floors of any desired planar shape are attached to the core at the appropriate heights, intermediate the roof and the ground floor foundation slab; and wall panels are attached between the roof and the ground floor foundation slab around the periphery of the building. Also, the floors and roof are attached to the wall panels. The core is preferably as claimed and described in U.S. patent application Ser. No. 12/748,751 and may be attached to one side of the ground floor foundation slab. The floors may extend the entire length and/or width of the building or only a portion of the length and/or width.

Abstract: A corner bracket for assembly of two boards of a window mounting collar into a collar corner and for affixing said window mounting collar to an exterior face of a building façade so as to surround a window opening, said corner bracket; comprising two holding plates and two base arms, all four adapted for extending in planes parallel with and having back surfaces abutting the exterior face of the building façade in an affixed position of the collar. The bracket further comprises two flanges and two abutment plates adapted to extend away from said exterior face in an affixed position of the collar. Each abutment plate is positioned at a mutual distance from and in parallel with an associated said flange, each abutment plate being connected to the associated said flange via an associated said holding plate; so as to be able to hold said boards together to form said window collar corner, each board being received between a respective flange and its associated abutment plate.

Abstract: The present invention is a technology concerning hexahedron units, and discloses the inventive novel frame structures and frame joint technology for facilitating the assembly of different units. The inventive hexahedron units may be assembled to fit location conditions so as to construct a building regardless of the size and shape of the land, and also disassembled so as to be removed to another place for construction, thus providing high reusability.

Abstract: A glueless composite panel is disclosed having a first panel element and a second panel element. The two panel elements are connected together by coupling and extend in each case parallel to a longitudinal direction of a first end side of the first panel element. A first groove is arranged on the first panel element on the first end side thereof, the groove being delimited by a tongue and an edge strip that is set back with respect to the tongue. The first edge strip is in this case subdivided into individual first strip sections. The second panel element has corresponding coupling such that in the coupled state of the two panel elements the first strip sections and second strip sections of the second panel element undercut one another at least regionally.

Abstract: High-efficiency thermal insulation products and methods for use thereof for use in insulating buildings, residential homes, and other enclosed environments. In one arrangement, a thermal insulation product includes a substantially gas-impermeable envelope having first and second opposing surfaces and a sealed interior portion between the first and second opposing surfaces, a support material within the sealed interior portion of the gas-impermeable envelope, and at least about 2 grams of a liquid per liter of a total volume of the sealed interior portion within the sealed interior portion. At least a portion of the liquid is operable to cyclically evaporate from adjacent one of the first and second opposing surfaces and subsequently condense adjacent the other of the first and second opposing surfaces depending on temperature differences between the first and second opposing surfaces.

Abstract: The present invention provides a thermal insulation panel (10) having two outer concaved layers (14, 16) and an inner tension (24) member formed by two substantially parallel panels (26,28). The peripheries of the layers and panels are secured to a thermal barrier (22) extending around the periphery of the panel (10) and a vacuum seal (25) seals the edge. In operation, a partial vacuum is created within the panel which causes concaved layers (14, 16) to flatten and tension panels (26, 28) to be placed under tension. This tensional loading creates a strong and rigid structure without the need for internal supports which can create thermal inefficiency.

Abstract: An underlayment layer composition and flooring system, method of using the composition and method of obtaining desirable sound reducing results are provided. The underlayer can provide sound reducing properties. The underlayer material is preferably provided as a liquid or paste. It can take the form of a trowel applied, rapid curing material suitable for many floor systems. In preferred embodiments of the invention, a layer membrane of the material can help lead to an ASTM E492/ASTM E-986-06 impact sound transmission IIC rating or ASTM E90-04/E413-10 sound transmission loss STC rating of about 45 dB or greater, preferably over 65 dB and even over 69 dB.

Abstract: The embodiments herein provide a fireproof barrier shield comprising the panels combined together to form a fireproof blanket placed on the building structure to protect the structure from flying embers, radiant heat and fire accidents. The panel comprises an inner heat retardant layer an outer heat reflective layer secured together using a heat resistant adhesive glue or thread. Each panel has several slots for receiving a fastener for combining the panels. The straps comprising a buckle and a belt are provided for securing the fireproof blanket to the ground using screw type anchors or stakes. The buckle is made of heat conductive material and the strap is made of fireproof threads. The perforated channels with brass or aluminum hose fittings are sewn to the inner layer to allow the water flow. The shield comprises a third layer arranged as an outer layer or an inner layer.

Abstract: The invention relates to an ultra-lightweight heat and flame resistant (or retardant) composite panel having a three-dimensional artistic design on the surface, and a method for making the lightweight heat and flame resistant composite panel. One aspect of the invention is a system and method for creating a composite panel from high performance heat and flame resistant materials, such as aramid polyamide polymers (for example, NOMEX® from DuPont) or any other fire-retardant or fire-retardant treated material, which can be bonded to another layer of fire-retardant material such as paper, fabric, honeycomb or foam. The fire-retardant materials can be bonded by a welding machine such as an ultrasonic machine, or attached by a thermoplastic, thermoset, thermobond or other fire resistant adhesive. The thickness of the finished composite may be around 1/16˜¼ inch.

Abstract: A resetting semi-passive stiffness damper (RSPSD) for use in damping movement. Embodiments of such a RSPSD include, for example, a pistoned cylinder connected to a grooved rack, and a spring-loaded lever arranged between the rack and a slotted channel above the rack. One end of the lever is allowed to move pivotably and vertically within the channel as the other end moves with the rack. A sensor is provided and communicates with a bypass valve on the cylinder. A change in the direction of movement of the rack forces the lever further into the slotted channel where it eventually triggers the sensor, which then sends a signal to open the bypass valve. As the rack continues to move, the lever eventually reverses direction, and is forced back down the slotted channel by a return spring. Upon leaving the sensing range of the sensor, the valve is signaled to close.

Abstract: Provided is a modular construction kit adapted to construct a raised temporary platform, the modular construction kit comprising one or more floor elements (1), wherein the floor element (1) comprises a monocoque structure (6) forming a floor section (21) and a flange section (3), wherein the flange section (3) is adapted to strengthen the floor element (1) and is adapted to be attached to a further floor element (1), wherein the floor elements (1) are load bearing and cooperate together to bear the load of the platform so as to form a self-supporting floor, without the requirement for a supporting floor frame.

Abstract: A suspended drywall ceiling grid construction comprising a plurality of uniformly spaced parallel sheet metal support bars, a plurality of spaced grid tees carried on lower sides of the support bars, the support bars having regularly spaced centers for engaging and supporting grid tee reinforcing bulbs, the centers and grid tees being constructed and arranged to present lower faces of flanges of the grid tees in a common plane, the support bars having intermediate centers between said regularly spaced centers for receiving butt joint tees, the intermediate centers and butt joint tees being constructed and arranged to present lower faces of flanges of the butt joint tees in a plane a predetermined distance above the common plane.

Abstract: A method and means to build an ecological house with enormous monolithic foam blocks is described here. The building structure is reinforced by liquid cement filled pipes or by glass fiber mesh. The building according to this disclosure may be 1-3 floor building. The building according to this disclosure is earthquake resistant.

Abstract: The present invention relates to a panel, in particular a wall, ceiling or floor panel, comprising a carrier layer made of a plastic material and a priming coat, wherein the priming coat comprises thereon an imprinted decorative pattern. Furthermore, the present invention relates to a method for manufacturing such a panel and a usage of a specific primer in such a panel.

Abstract: A walkable skylight lighting system, installed to a roofing structure, including a skylight having a pane and framing members that surround and support the pane, and including a paving surface, the paving surface having a plurality of pavers that extend immediately adjacent to the skylight. The pane is an insulating glass unit (IGU) having structural glass panels and a thermal panel that are separated and sealed by a spacer, and separately supported so that they do not crush the spacer. The framing members include an upper framing member that has a lighting channel containing an LED lighting strip that edge lights the structural glass panels in the pane.

Abstract: A gutter downspout extension, extruded from a medium to high density silicone rubber material for diverting water from a foundation of a structure. The silicone rubber material has a sufficient density to resist abrasion or cutting by filament line weed trimmers. The silicone rubber material has sufficient elasticity to allow the end of the downspout extension to be stretched over the end of a gutter downspout.

Abstract: A natural convection roof device includes a first roof drainage panel, a first extended roof drainage panel, a second roof drainage panel, an inner barrier and an inner roof containing an inner ventilation opening disposed obliquely to the first roof drainage panel. The top end of the first roof drainage panel includes the first extended roof drainage panel, and the top end of the first extended roof drainage panel is assembled with the second roof drainage panel and the inner barrier. The bottom ends of the second roof drainage panel and the inner barrier are installed on the inner roof. The lower side of the inner barrier is center ventilation openings. Above the second roof drainage panel is ventilation holes, and below the second roof drainage panel is drain holes. The level of the ventilation holes is higher than that of the inner ventilation opening.

Abstract: An apparatus for use in erecting a temporary guardrail on a stair, having a stair stringer. The apparatus has an elongated stanchion. A first jaw assembly is operatively attached to the stanchion for engaging one side of the stringer, proximal the bottom edge thereof, and includes a first compression assembly to operatively urge the stanchion against the stringer. A second axially spaced, jaw assembly is operatively attached to the stanchion for engaging the one side of the stringer proximal a top edge thereof, and includes a second compression assembly to urge the stanchion against the stringer, and a bracket attached to the stanchion, and being adapted to receive a temporary guardrail member.

Abstract: The floor member has a top surface for walking upon and a bottom surface for placement on a floor base as part of a floating floor installation. The floor member includes a flexible plastic main substrate layer that is sandwiched between a flexible plastic wear layer and a bottom portion formed of meltable adhesive material. The meltable adhesive material has an exposed bottom surface that is the bottom surface of the floor member. The exposed bottom surface is non-adhesive and non-tacky at normal room temperatures. The meltable adhesive material has frictional properties that enable the floor member to resist manual sliding movement on a floor base but still permit manual sliding movement, thereby providing the floor member with positional stability when placed on a floor base as part of a floating floor installation.

Abstract: A compound-holding device for use with a working material in one embodiment comprising a plate having a top and a bottom surface. A magnet for retaining tools is mounted on the bottom surface of the plate. In another embodiment of the invention, the handle is hollow and a magnet is placed inside the handle for retaining elongated tools such as screwdrivers within the handle. Other retaining means are threading, a clip or a locking pin system. In another embodiment a pan is disclosed having a bottom surface and sides extending upwardly and outwardly therefrom. Magnets for retaining tools are mounted on the sides of the pan for holding tools. A magnet-free zone enables holding by hand without interference of protruding magnets.

Abstract: A reusable and portable temporary door/frame assembly primarily used in abatement, remediation, demolition, and remodeling applications with a containment enclosure or barrier to allow quick and easy ingress/egress, or restrict movement, to/from a limited access area. The assembly comprises lightweight materials, such as but not limited to plastic or aluminum, and two non-spring-loaded telescopic poles that extend a top bar/piece upwardly for attachment to an overhead door frame, header, or ceiling. The top of the frame is also configured to accept two upwardly extendable spring-loaded/biased poles allowing a containment enclosure or barrier to be built to ceiling heights beyond the reach of the integral telescopic poles. Since the assembly is portable, it can be installed to open inwardly, outwardly, and is reversible, depending on convenience or need. The door is lockable. The door panel's frame includes a seal at the top/bottom to reduce air transmission to/from the limited access area.

Abstract: A method to create a temporary access opening in a drywall of a wall structure to access the area behind the wall structure to perform a type of work and to simplify the process of closing of the temporary access opening after completion of the work. A tool to simplify the creation of the temporary access opening is securely attached to the drywall permitting the drywall to be cut. A cutting tool will be used to cut the drywall along the sides of the tool at a certain angle and that angle will allow the cutout drywall piece to be reused to close the temporary access opening without using any supporting material otherwise required to be placed behind the wall to prevent the extracted piece from falling behind the wall structure during the closing step.

Abstract: A safety latch telescoping mast system for a portable light tower having a towable trailer having a frame and an engine driven electrical generator and a light assembly for attachment to the uppermost end of a telescoping mast member, which includes a pivotable spring loaded safety latch assembly positioned to remain in a first, cocked, position wherein an idler roller is in rotational engagement with a hoisting cable and the latch is outside the opening in the stationary mast member when the first hoisting cable is under tension, which trips to a second, position wherein the latch passes through the opening in the stationary mast member and engages into a slot in the first telescoping mast member when the tension on the first hoisting cable is relieved.

Abstract: A portable shelter having a hinged side wall includes an enclosure having a plurality of interconnected side walls defining a floor space and being connected to a top wall. At least one of the side walls is a hinged side wall that is pivotally connected to the enclosure and includes opposed first and second side edges and a tope edge that defines an opening in the enclosure. At least one connecting member on the enclosure is configured to selectively connect and disconnect at least the first side edge and the top edge of the hinged side all at the opening. The disclosure also provides a method of hinging the side wall of the portable shelter to an open position.

Abstract: The present invention provides a flush pull handle affixable to a door. The handle includes a mounting assembly including a top portion, bottom portion, first side portion and a second side portion, the mounting assembly affixable to the door via at least one fastener. The mounting assembly includes at least one mounting flange. The handle further includes a pull assembly including an assembly interior portion having a first interior side and a second interior side, the first interior side having at least one flange mount opening. The pull assembly includes an assembly face having a handle flush with the pull assembly extruding across at least a portion of the assembly interior portion for allowing a pulling action on the door handle. Such that, the pull assembly mounts in the mounting assembly based at least on the mounting flange of the mounting assembly extruding through the flange mount opening.

Abstract: The combination key and locking cover provides a decorative key and a decorative cover for the blade of the key in order to aid in loss prevention of the key, as well as providing protection for the user from the cuts in the blade of the key. The key includes a head, a locking hub mounted on a lower portion of the head, and a blade secured to the locking hub and projecting downwardly therefrom. The cover has opposed upper and lower ends, with a rim being formed at the upper end of the cover, and a recess formed inside the cover. The locking hub of the key is releasably lockable to the rim of the cover, such that when the locking hub of the key is attached to the rim, the blade of the key is releasably contained within the recess.

Abstract: A system for identifying a key to a lock. The system uses a simple scanner. Within the scanner, a plate is illuminated by at least one LED. Opposite the plate is positioned a matrix of photodetectors. The plate and the matrix of photodetectors are separated by a slot that is sized to receive the key. The matrix of photodetectors generates an electronic signal that is indicative of light from the plate that passes across the key in the slot. A memory is provided that stores known key signals. A processor is provided that compares the newly generated electronic signal to the known key signals in the memory to find a match. A display is provided for displaying information about which the key signals from memory is a match. In this manner, a person can identify the key.

Abstract: In an exemplary embodiment, a plug assembly includes a plug body, a sidebar, a cover plate, and a plurality of rack pins positioned in the plug assembly. A first portion of the sidebar is positioned in the plug and a second portion protrudes beyond the outer surface of the plug body. The rack pins are configured to selectably resist and permit radially inward motion of the sidebar. The cover plate is operable to selectably retain the rack pins within the plug body.

Abstract: Device for protecting an article against theft and/or for identifying it, comprising a tag (B) with a passage able to accept a metal pin (F, 8) passing through the item or attached to a lanyard surrounding the item, the tag comprising means (E) for locking the pin in the passage and preventing it from being extracted without a detacher being present, a first face (1a) of the tag which face faces towards the pin being essentially planar, it being possible for the pin to be attached to a head (K), the size of which corresponds to that of the first face of the tag; the tag (B) has a peripheral flank (2) equipped with a translational-guidance means (2) able to collaborate with a cylindrical guide surface provided in a housing (3) of the detacher, and the second face (1) of the tag, remote from the head of the pin, is planar and essentially parallel to the first face.

Abstract: A security device fitted to the base casing of a portable object for securing the portable object is provided. The security device includes a housing having an indentation formed within one face of the housing and a retractable tongue pivotably mounted at one end within the indentation. The tongue has an aperture formed within the tongue's non-pivotal end. In a first mode, the retractable tongue is storable within the indentation and in a second mode, the retractable tongue may be extended beyond the contours of the device allowing for a secondary component to be attached to the aperture.

Abstract: In a vehicle door latch device, a latch engages with a striker of a vehicle body and a ratchet engages with the latch, so that a vehicle door is closed, and an inside operating lever and a childproof lock mechanism are disposed between a cover and a casing. To connect the childproof lock mechanism to the casing, the inside operating lever is held in an assembling position and the childproof lock mechanism is held in its locking state or in its unlocking state. The cover has a covering portion over a broader portion of a hole in the cover.

Abstract: A locking member for locking a rod in a path for the rod to pass through, wherein the path is formed to have a substantially heart shape, wherein the locking member includes a speed regulation path portion for regulating entrance speed by causing the rod that enters the path to fluctuate, and a locking portion for locking the rod whose entering speed is regulated, wherein the speed regulation path portion extends in a vertical direction that is perpendicular to a width direction of the locking member, and the speed regulation path portion includes rod receiving portions that are disposed at a start edge and an end edge, wherein the rod receiving portions are for regulating the entering speed by receiving the fluctuation in a forward and backward direction of the rod that enters the speed regulation path portion.

Abstract: An electronic device includes a first casing rotatably supported by a first rotation axis, a second casing rotatably supported by a second rotation axis that is parallel to the first rotation axis, a first cam that is provided on the first rotation axis, rotates about the first rotation axis in accordance with rotation of the first casing, and causes the first casing to move together with the first rotation axis in a direction away from the second rotation axis, a second cam that is provided on the second rotation axis, rotates about the second rotation axis in accordance with rotation of the second casing, and causes the second casing to move together with the second rotation axis in a direction away from the first rotation axis, and an elastic member that applies a force in a direction in which the first rotation axis and the second rotation axis become closer.

Abstract: A system and method that uses hidden hinges and mounts an article of furniture (such as a bookcase) or a door into a doorframe surrounding an opening in a wall or a building. The system and method comprise a vertical frame structure having a plurality of vertical segments that can be attached and detached to adjust the height of the vertical frame. The vertical frame is attached to the doorframe using two hinge modules, one near the top of the doorframe and other near the bottom of the doorframe. Each hinge module comprises linkages that rotate the vertical frame and facilitate the rotation of the hidden hinge mechanisms, attached vertical frame, and furniture article (or door) about a pivot point in an arc that spans at least 90 degrees from a closed position to an open position.

Abstract: The invention relates to a movement-damping unit (30) comprising a receiving tube (32) having a longitudinal axis (A), a relative movement unit (34) which is received in the receiving tube (32) and which is displaceable back and forth relative to the receiving tube (32) substantially in the direction of the longitudinal axis (A), and a friction device (41) acting between the receiving tube (32) and the relative movement unit (34). According to the invention, the friction device (41) comprises at least one switching element (44, 48) assigned to the relative movement unit (34) and having an engagement portion (48a) formed so as to widen radially in the direction of the longitudinal axis (A), wherein at least one resiliently compressible friction element (46, 50), which comprises a recess (50a) intended for engagement with the engagement portion (48a) and is arranged on the longitudinal face of smaller diameter of the switching element (44, 48), is assigned to each switching element (44, 48).

Abstract: A check system for selective movement between a frame and a door includes a link attached to one of the door and the frame, and a housing attached to the other of the door and the frame. The link defines a link friction surface. The housing defines a tunnel through which the link is selectively movable and a first housing ramp formed at an acute angle relative to the link. A friction plate is disposed within the housing, and defines a first plate ramp slidably engaged with the first housing ramp. The friction plate also defines a plate friction surface configured for contact with the link friction surface. A biasing member is operatively attached to the housing and biases the friction plate toward the link and the first housing ramp.

Abstract: The present disclosure relates to a thermal break for use in tilt-up construction. The thermal break generally comprises an elongate body comprising a thermal insulating material. The thermal break may further comprise one or more protrusions extending away from the elongate body. The present disclosure further relates to a method of constructing an exterior wall comprising the thermal break positioned between a fascia wythe and a structural wythe of the exterior wall. The exterior wall may be tilted up to a vertical position during construction of a building, and the thermal break provides a fixture-mounting surface onto which a fixture, for example a door frame, window frame, air venting grill, or other building component can be mounted.

Abstract: Disclosed is quick-release removable cladding for interior fenestration frames, such as the interior frames of doors, window, skylights, or curtain walls. The cladding is held flush against the frame by a pair of brackets or alternatively by a bracket attached to frame and a shaped cavity within the cladding. In one aspect, the pair of brackets can be shaped and arranged so that when engaged, a downward force on the cladding causes the cladding to move flush against the frame. In another aspect, the cladding can be held securely in place to the frame by a keeper bar. The keeper bar can be configured to prevent upward movement of the cladding against the frame.

Abstract: Covering element (7) to cover the edge of a glass pane (5), characterized in that the covering element (7) includes a leaf profile (6) for a leaf (3,4) of a window (1) or door and includes at least one adjustable setting piece (10), whereby the setting piece (10) is or can be fastened to an edge of the glass pane (5), whereby the leaf profile (6) is or can be connected to the setting piece (10), and whereby the setting piece (10) is arranged to be able to adjust the distance between the leaf profile (6) and the edge of the glass pane (5) when using the covering element (7).

Abstract: A closure includes a panel closing against a frame. A set of abutment surfaces for supporting the panel against applied forces is completed by a displaceable abutment block which selectively assumes an engaged state disposed between an abutment surface of the panel and an abutment surface of a strike jamb. The geometry of engagement is such that forces acting on the abutment block opposing opening of the panel are primarily compressive forces. Certain implementations additionally, or alternatively, employ abutment blocks for locking along the lintel or the threshold of the opening.

Abstract: A door sealing system includes a door seal for sealing either an upper or a lower side of a building door wing, and an air channel which enables, when the door seal is in the sealing position, air to circulate from a longitudinal side of the door seal to an opposite longitudinal side of the door seal. The door sealing system also includes at least one ventilator that guides air through the air channel. The door sealing system enables sufficient air to be exchanged even when the door wing is closed.

Abstract: Embodiments for barrier assemblies and setup configuration of these barrier assemblies are disclosed. The barriers are used to block the entry of children or animal into areas in which their safety may be jeopardized. The barrier assemblies contain a sheet configured for outstretching and for retraction into a roll form, and for being maintained under tension in an outstretched form. A locking assembly prevents the sheet from accidentally retracting. The barrier assemblies are configured for indoor use by means of attaching to walls and stair posts as well as for outdoor use by anchoring the barrier assembly to the ground.

Abstract: A portable barrier retraction device having a drive motor with an addressable drive motor control. The drive motor control is capable of being connected in a serial arrangement with one or more other addressable drive motor controls. The drive motor is in rotational communication with at least one retraction assembly configured to retract or deploy a line in response to rotation of the drive motor. The line is configured to retract or deploy a barrier. The drive motor provides selective rotation in response to an addressed signal from a controller. In addition, retraction systems employing portable retraction devices and methods for assembling the retraction systems are also disclosed.

Abstract: A single-track stacking panel covering for an architectural opening has a headrail for mounting the covering above and in front of the opening, such as a window or door. The headrail has a single track. Suspended from the headrail and translatable therealong are panels oriented at a small angle relative to the headrail. When the covering is open, the panels form an overlappingly stacked array at one end of the headrail.

Abstract: The invention is based on a certain number of hollow translucent vertical blinds (1), which are somewhat ovally profiled, wherein LED-lights or another light source (3) has been fixed and on top and bottom of the vertical blinds are bolted by a lock-cap, provided with a light source (3), or LED lights, where of both light sources independently from each other can be linked, so that special light effects can be realized in the hollow translucent vertical blinds and bolted lock caps into the top and bottom of the vertical blinds.

Abstract: A stored energy emergency barrier release device comprising a barrier and a barrel member for storing the barrier thereon. The barrel member is rotatable on a stationary counterbalance shaft and a push down shaft. The release device further includes a push down spring coupled to the push down shaft for storing potential energy in order to exert a closing force on the barrier when the release device is positioned from an engaged position to a released position. The release device includes a reset mechanism interfaced with the push down spring for transmitting a lifting torque to the push down spring in response to moving the barrier from a first position to a second position to store energy within the push down spring.

Abstract: A motorized window treatment system may include a roller tube, a covering material windingly attached to the roller tube, and a drive assembly that may be at least partially disposed within the roller tube. The drive assembly may include a motor having a drive shaft that is elongate along a longitudinal direction and a drive gear attached to the drive shaft such that a toothed portion of the drive gear is cantilevered with respect to the drive shaft. The drive assembly may include a gear assembly having a pair of intermediate gears on opposed sides of the drive gear. Rotation of the drive gear may be transferred through the pair of intermediate gears, a connecting gear, a planetary gear set, a cage, and an idler to the roller tube. Rotation of the roller tube may cause the covering material to move between an open position and a closed position.