Abstract: Scaffolding apparatus and related methods are disclosed. An example scaffolding apparatus includes a beam defining a length between a first end of the beam and a second end of the beam opposite the second end. The length of the beam spans between a first side of a fuselage portion of an aircraft and a second side of the fuselage portion opposite the first side. A first connector is coupled to the first end of the beam. The first connector engages a first stringer on the first side of the fuselage portion to couple the first end of the beam to the fuselage portion. A second connector is coupled to the second end of the beam. The second connector engages a second stringer on the second side of the fuselage portion to couple the second end of the beam to the fuselage portion.

Abstract: A method and fastening system for fastening to a concrete form panel various types of form hardware, including pins, form ties and various types of brackets and attachments for wall braces, scaffolds, and lanyards to a concrete form panel. The concrete form panel includes a track system that forms part of the fastening system. A base associated with the form hardware may be interconnected with the track system to allow selective positioning of the form hardware along a longitudinal length of the track system.

Abstract: A lifting cart for assist in building construction processes using precast wall panels can include a panel handling mechanism coupled to a movable vehicle. The panel handling mechanism can include a clamping mechanism, a rotational mechanism, a linear mechanism, and a tilting mechanism. The movable vehicle can include two sets of wheels configured to move the vehicle in perpendicular directions. The lifting cart can handle the precast wall panels, from a wall panel package delivered to the construction site to the final location of the wall panels between beams of the building frame.

Abstract: A drop netting system for multi-floor construction for retaining debris has multiple rows of spaced apart brackets. Each bracket includes a base plate assembly attached to a surface of the building and a pole extending perpendicularly away from the base plate. One or more drop nets is attached to the distal ends of the poles and is the nets are suspended across the multiple rows of brackets to form a protective sheath on the building structure. The nets are spaced away from the surface of the building to permit access for construction work while retaining and preventing the spread of debris. The nets may be attached in breakaway fashion to cables attached across the distal ends of the poles of each bracket.

Abstract: A pool apparatus configured to carry liquids has a side wall and a bottom surface. The side wall has a plurality of structure drawstrings, an outer side wall, and an inner side wall. Two sides of the structure drawstrings draw respectively the outer side wall and the inner side wall, so as to maintain a predetermined shape of the pool apparatus. The structure drawstrings include a main drawstring portions and at least two branch drawstring portions. The main drawstring portions have a first main string side configured to connect a first branch drawstring side of the at least two branch drawstrings. A second branch string side of the at least two branch drawstrings connects respectively to different positions of the outer side wall and the inner side wall.

Abstract: A valve assembly for regulating water level in a swimming pool includes a first butterfly valve in a pool drain line of the pool and a second butterfly valve in a fresh water line. The drain line and the fresh water line supply water to a pit remote from the pool. A return water line directs water from the pit to the pool. A float in the pit is operatively connected to both butterfly valves via first and second pivotal arms which are rotated by a sliding frame when the buoyant float rises and falls, so as to close and open the butterfly valves, and thereby maintain a desired water depth or level in the pit, and thereby a more consistent water level in the pool.

Abstract: An in-pool swimming pool skimmer/skimmer basket, weir, pump-motor/basket, water-inline and water intake inlet debris clog reduction embodiment system, that's size/shaped to be placed in-front of a pool skimmer/plate, unattached inside a pool. The embodiment has a geometric shape-correspondent to a pool skimmer, said with a flexible fabric that has apertures that is molded into it or fits over its frame. The Main Body Shaft© mass has optional embodiments(handle, various lengths, extension, series, etc.). The present invention geometric length shape frame, the Master Head Net© assembled unit, with flexible aperture fabric, is deployed over the top edge of a pool and in front of pool skimmer/plate from above ground. When used at different angles, it's a multiple tool unit in one, a skimmer/weir, water intake debris stopper/guard, a pool leaf rake or leaf skimmer, etc.

Abstract: A pool cover spring includes a one piece molded spring body having a narrowed midsection, an end with a connector for attaching to a pool deck anchor and another end with slots for receiving a strap of a pool cover.

Abstract: Exemplary embodiments are directed to pool cleaners that remove debris from water using a plurality of cyclonic flows, or that include a removable impeller subassembly, a check valve for a debris canister, a particle separator assembly having a handle that locks to the pool cleaner, a modular roller drive gear box, or a roller latch that secures a roller to the pool cleaner. Exemplary embodiments are also directed to the check valve and the roller latch themselves. Exemplary embodiments are directed to a filter medium for pool cleaners that includes embossments providing flow channels for water, and to roller assemblies for pool cleaners. Exemplary embodiments are directed to pool cleaners including alternative pump motor engagements. Exemplary embodiments are directed to pool cleaners power supplies that include a potted and contoured power board assembly, and to kickstands therefor. Exemplary embodiments are directed to a pool cleaner caddy, and removable wheels therefor.

Abstract: An external docking station may be provided and may a filter manipulator that is arranged to (i) input without human intervention, a filter into a pool cleaning robot that exited a pool and is located in a filter replacement position and to (ii) assist without human intervention, in positioning the filter at a position in which the filter is at least partially disposed within a path formed between a first fluid opening and a second fluid opening of a housing of the pool cleaning robot thereby allowing the filter to apply a filtering operation when fluid passes through the fluid path.

Abstract: A wind turbine system includes a wind turbine generator having a rotor and a nacelle mounted atop a tower structure. The tower structure is mounted to a foundation structure and includes a plurality of tower sections, each including one or more tower section flanges. The wind turbine system further includes one or more connector rings. Each of the one or more connector rings is disposed proximate two adjacent tower section flanges and includes a plurality of pad eye adaptors each having an opening formed therein. The wind turbine system further includes a plurality of tensioned cables, with each coupled to one of the pad eye adaptors at a first end and the foundation structure at a second end. The plurality of tensioned cables are coupled to the tower structure at different or multiple connector ring heights based on site conditions to yield the desired lateral stability.

Abstract: A tent is designed for use in the air, connected at its vertices to trees or the like. The tent is further designed with enough support from an independent support structure to create a shelter there-in while in the air or on the ground. Further, the tent is built atop a floating mat or base. In order to provide enough strength to the base that it can be used to float the entire tent or hold the tent airborne, straps extend from each vertex of the mat through a central portal and connect back to themselves. From these straps, loops are further created to attach the tent, by way of the loops, to trees while the entirety of the mat is buoyant enough to hold the tent and people there-in afloat.

Abstract: A lightweight, portable battery-powered overhead fan including secure attachments for a standard outdoor canopy or other like article is provided. Such a fan further includes blades that are configured with resilient connectors that allow for such blades to tilt or fold for stowing purposes while also securely attaching during actual use in a safe and reliable manner. In this way, each blade attaches to a centrally located portion that rotates during fan operation. The canopy attachments are provided in stowable fashion as well to permit compact transport of the overall fan device to and from an event for which a canopy is erected. Such a device further includes the potential for a fluid reservoir and atomizer component to deliver fluid droplets for increased cooling purposes as well as a light integrated therein or attached thereto. A canopy including such a fan device is also encompassed within this invention.

Abstract: A portable outdoor activity shelter including a flexible cover and a frame. The frame including a plurality of sidewall poles convertible between a first configuration and a second configuration, when in the first configuration, the frame and flexible cover together moveable between a collapsed position and a deployed position. When in the deployed position, the frame to support the flexible cover to form a roof, opposed first and second sidewalls, and opposed front and rear walls, wherein at least one sidewall pole is moveable from a first position to a second position to convert the frame from the first configuration to the second configuration to provide access to a door in a corresponding one of the opposed first and second opposed sidewalls.

Abstract: Systems, methods, and apparatus include a modular tent comprising an upper tent portion having a first base surface area, wherein the upper tent portion does not include a floor surface; and a base extension that includes a floor surface having a second base surface area, the second base surface area being larger than the first base surface area, wherein the base extension is removably secured to the upper tent portion, wherein the base extension, when secured to the upper tent portion, results in a base surface area of the modular tent increasing to the second base surface area.

Abstract: A tent system including: a fabric member including a body portion and a bottom portion to form a resident space; a fixing device disposed at the fabric member and including a mesh pocket, an upper clip, a lower clip and a side clip; a main pole coupled to the fabric member in an X-shape through the fixing device, in which one end and an opposite end of the main pole are supported by the mesh pocket and the lower clip, respectively; and an adjusting device that allows at least one of the fixing device and the main pole to have a variable structure. The tent is easily installed and disassembled even by one person with a simple structure and maintains a tight supported state to the ground, so that usability is improved in cost-effectiveness.

Abstract: An improved fencing system can include improved fence posts. Such fence posts can include features for accommodating different types of fasteners for attachment to fence components, such as fence rails. Additionally, some fence posts, such as gateposts, can be formed with one or more pieces of other fenceposts in a fencing system. Some such improved fence posts can include concrete locks.

Abstract: A netting post cap 11 is provided for fitting over the top of a post. Posts are often used for fences to protect animals and agriculture. In certain cases, netting is used for additional protection from animals and agriculture. Wires can be strung between posts on the top of the netting post caps. Netting can be supported over the wires and netting post caps 11. The netting post cap 11 generally has a domed head 12 and a stem 14. The stem 14 may connect the dome 12 with struts 13 for structural support and aid in tying off wire ends. Holes 15 in the dome 12 are used to thread wire through and tie off wire ends. Protrusions 17 rising from the dome 12 secure the netting into position and protect the netting.

Abstract: There is described a handle, for example a door handle, lifting handle or touch pad, which is particularly useful as a self-sterilizing door handle for use in public areas. The handle comprises: a contact area formed of a hydrophilic sintered porous material, particularly a plastic material; and a reservoir containing an anti-microbial liquid, wherein said reservoir is fluidically connected to the contact area. The reservoir can include a port to allow the reservoir to be re-filled or alternatively the whole reservoir can be detached and replaced when required. The anti-microbial liquid can be delivered along the hydrophilic sintered porous material by fluid transmission action so that the contact area is continually treated by the anti-microbial liquid, thereby rendering the handle continuously wetted and disinfected and inhibiting the growth of culture forming units.

Abstract: The invention relates to a motor vehicle lock (1), comprising a lock housing (2), a lock plate, adjusting means (3, 4) which are received in the lock housing (2) and/or on the lock plate such that they can move, particularly swivel in at least in some regions, the adjusting means (3, 4) being positionable in at least two different positions (L1, L2), a spring element (5, 6), said spring element (5, 6) cooperating with the adjusting means (3, 4) in such a way that the spring element (5, 6) holds the adjusting means (3, 4) in the respective position (L1, L2), and the spring element (5, 6) being attached to the adjusting means (3, 4) such that the adjusting means (3, 4) can move together with the spring element (5, 6).

Abstract: An actuator (24, 528, 606, 646, 670, 700, 702) is configured to cause a latch assembly (22, 322, 422, 522, 526, 604, 644, 668, 694) to be changed from a closed condition in which an item is latched, to an open condition in which the item is unlatched. A catch jaw (30, 530, 690) is operative in a first position to engage a member (106) connected to the item when the latch assembly is in the closed condition. The catch jaw in a second position enables the member to disengage from the catch jaw when the latch assembly is in the open condition. The actuator assembly includes a drive (152, 526, 608, 706) and a gear system (157, 563, 610, 712). The gear system is operative to move a release member (174, 538, 612, 722, 764). The release member is configured to be in operative connection with the catch jaw such that the movement of the release member causes the catch jaw to be enabled to move to the second position.

Abstract: An apparatus and method is disclosed for electronic locks with a selectable power off function. The electronic lock includes an electronic controller disposed within a lock housing and operable to control a state of the lock between locked and unlocked positions. An electronic actuator electrically coupled to the controller is movable between first and second positions corresponding to a locked position and an unlocked position of the lock, respectively. The electronic lock further includes at least one electrical energy storage device and a selector switch coupled to the controller to define a desired state of the lock between one of an electrically locked (EL) and an electrically unlocked (EU) state in an electric power off condition.

Abstract: A locking system, for a cabinet having a plurality of drawers extendably mounted in an interior of the cabinet, includes a bar and a motor unit. The bar is movable to prevent at least some of the drawers from extending out of the cabinet when in a locked position and allowing at least one of the drawers to extend out of the cabinet in an unlocked position. The motor unit is configured to drive an arm coupled to the bar, the arm being drivable to change a position of the bar from the locked position to the unlocked position.

Abstract: Locks for storage containers having closures such as doors, covers or lids are disclosed. The lock is mounted to the closure and is latched in such a manner as to selectively prevent opening or removal of the closure. The latch of the lock can engage a slot in the storage container, a bracket on the storage container, or a strike on the storage container. Alternatively, the latch can engage a mounting bracket on the door or other portion of the door to selectively block movement of a handle for the door. Further, the latch can have a locking device which can selectively block movement of the latch. Movement of the locking device can be selectively controlled by a magnetic key.

Abstract: In one embodiment, an electronically controlled hatch system for safe ingress, egress, hazard detection, and methods thereof are provided to reduce or eliminate hazards to personnel, including protection of people above and below a scuttle hatch, access port, skylight or elevated deck. Said hatch system reduces the risk of falls while ascending or descending a ladder through an access port. In certain embodiments, severe weather, hazard, security, and other safety information are detected and transmitted to a central control unit for processing and regulating the opening and closing of a hatch covering the access port and/or raising and lowering a safety railing system based on said information and/or user input. Said hatch system may include an actuator and guides for automatically locking/unlocking and opening/closing a hatch, an actuator and guides for automatically raising/lowering a railing system, safety monitoring detectors/apparatuses, and a centralized controller.

Abstract: A rotary latch assembly is provided which can be configured as right-handed and left-handed using the same rotor and catch components, without reconfiguring the front and back plates. The axles for the rotor and catch are identical so that the rotor and catch can be interchanged on the axles. The latch biasing springs are mirror images so as to be used on either the rotor or the catch. The latch includes multiple connection points for single or dual actuators, and a lifting block to align the assembly with a striker.

Abstract: Systems and methods for operating a tag. The methods comprise: actuating a telescoping actuator of the tag to transition a pin from an unengaged position in which the pin is retracted into a first portion of the tag's housing to an engaged position in which the pin extends through an insert space and into a second portion of the tag's housing; and mechanically securing the pin in the engaged position using a securement mechanism disposed in the second portion of the tag's housing. The pin is securely coupled to a movable component of the telescoping actuator so as to be integrated into the tag's body, and the first and second portions of the tag's housing are coupled to each other so as to form a unitary piece.

Abstract: The present disclosure relates to a vehicle door handle that prevents the door from opening in the event of a collision, and in particular, a side collision. The door handle also minimizes the sound attendant with the return of the door handle to a closed position. The handle for the vehicle door includes: a handle base having a rotatable base lever; and a handle grip connected to the handle base, wherein the base lever includes a shaft and a damping unit installed in the shaft, and wherein the damping unit is configured to buffer the rotation speed of the shaft.

Abstract: Disclosed herein is a door, lock and a protector block. The door includes an inner panel, a lock including a cable mounting plate and an inner surface, the inner surface faces the inner panel and connects to the inner panel such that an inner space is created between the cable mounting plate and the inner panel, and a protector block connected to the inner surface of the rear lock within the inner space present between the cable mounting plate and the inner panel.

Abstract: A latch includes a base having a bore extending therethrough defining an axis, a plunger positioned within the bore and rotatable about the axis, a drive shaft positioned adjacent the base and engaged with the plunger such that rotation of the plunger about the axis causes corresponding rotation of the drive shaft about the axis, a bracket positioned adjacent the base and the drive shaft and engaged with the drive shaft such that rotation of the drive shaft about the axis causes movement of the bracket, and a closure element coupled to the bracket such that movement of the bracket causes the closure element to move between a position wherein the closure element allows a structure to move with respect to an adjacent structure and a position in which the closure element prevents the structure from moving with respect to the adjacent structure.

Abstract: A trim assembly securable in a window frame includes a track on which a sliding window is supportable, a latch insert including a plurality of latch openings, and a latch mechanism securable to the sliding window adjacent the latch insert. The latch mechanism is displaceable between an extended position and a retracted position and includes a lever connected with a latch tab. In the extended position, the latch tab is positioned in a selected one of the latch openings. The latch mechanism is biased toward the extended position. The spacing of the latch openings provides for essentially infinite open/close positions.

Abstract: A latch hook-type positioning device includes a base fixed to a first part of an article. A positioning member is fixed to a second part of the article and includes a hook portion. An end of a pivotal member is pivotably connected to the base. A latch hook unit includes a body, a positioning pin, and a latch bar releasably engaged with the hook portion. The body includes a bottom side having a receiving space and at least one sliding groove at an end of the receiving space. The other end of the pivotal member is pivotably connected to the other end of the receiving space of the body. At least one elastic member is attached between the positioning pin and the latch bar. The latch bar is slideable in the at least one sliding groove to stretch the at least one elastic member, providing a larger tolerance for installation.

Abstract: An overtravel hinge for a sliding door of a vehicle. The overtravel hinge expands from a collapsed condition, to a partially deployed condition, and to a fully deployed condition. The hinge includes a four bar linkage utilizing an arm to control movement of the overtravel hinge between the collapsed condition and the fully deployed condition. The overtravel hinge, in one embodiment, is used to modify or retrofit a known original equipment manufacturer vehicle.

Abstract: A door assembly for a motor vehicle comprised of an outer door panel and an inner door panel interconnected to define a door panel structure having an internal door cavity. A collapsible carrier module is configured to be oriented in a collapsed arrangement to facilitate installation into the door cavity through an opening in the inner door panel. The collapsible carrier module can be moved from its collapsed arrangement into an expanded arrangement upon installation within the door cavity to facilitate subsequent mounting to the door panel structure. The collapsible carrier module includes a two-piece carrier plate formed to integrally include a pair of laterally-spaced glass run channels and a pair of laterally-spaced slider rails.

Abstract: The invention relates to an ejection device for ejecting a movable furniture part from a closed position into an open position along an opening path, comprising a support and a coupling device for coupling the ejection device to the movable furniture part. The coupling device has a coupling piece which can be moved relative to the support and a coupling counter piece which is arranged on the movable furniture part or on a furniture body. The coupling device has a coupling position and a decoupling position, and the ejection device can be coupled to the movable furniture part via the coupling device in the coupling position. The ejection device also comprises a controller, by means of which the coupling device can be switched depending on the opening path, and the coupling device reaches the decoupling position from the coupling position in the event of a specified opening path.

Abstract: A sliding operator handle includes an actuatable brake providing at least one braking position in which the actuatable brake is configured to contact a track and restrict sliding motion of the track mount along the track and at least one sliding position in which the actuatable brake is configured to reduce contact with the track and allow sliding motion of the track mount along the track, and a handle pivotably coupled to the track mount. The handle is configured to receive a manual input force to slide the track mount in either direction along the track, and being further configured to actuate the actuatable brake in response to the manual input force. The handle includes a neutral position corresponding to the at least one braking position of the actuatable brake and actuation positions to allow sliding motion of the track mount along the track in response to manual input forces.

Abstract: An actuatable slidable panel assembly, a retrofit kit for converting a slidable panel of a panel assembly from manually actuated sliding movement to mechanically assisted, actuatable sliding movement, and method of retrofitting a manually operating sliding panel therewith are provided. The retrofit kit includes an elongate driven rail configured for attachment to the slidable panel. The elongate driven rail is configured to be attached to the slidable panel. A rotatable drive member is configured for operable engagement with the elongate driven rail to drive the elongate driven rail and the slidable panel along the direction of travel between open and closed positions.

Abstract: A method for controlling an automatic liftgate in a vehicle includes detecting a garage door frame of a garage using a front camera or a rear camera mounted on the vehicle, determining a garage height of the garage door frame, determining whether the vehicle has entered the garage, and setting a custom height to which the automatic liftgate can open to the garage height of the garage door frame when the vehicle has entered the garage.

Abstract: A system for spoiling banknotes arranged in a block formation within a container. The apparatus of the system comprises spoiling fluid contained within a receptacle located within the container. Also provided are structure configured to release the fluid from the receptacle and structure configured to direct the released fluid over and along one entire side of the block of banknotes. A manifold having at least one channel or groove provides directional structure along which the spoiling fluid travels. The spoiling fluid is dispersed from the manifold along an edge thereof onto the banknotes.

Abstract: A vacuum glazing includes a vacuum layer formed between a first glazing and a second glazing, a spacer provided in the vacuum layer, a frame provided at edge portions of the first and second glazings, and a sealant interposed between the frame and surfaces of the first and second glazings to perform sealing of the vacuum layer. The insulating performance of the vacuum glazing is improved.

Abstract: The protective garage door cover comprises a composite textile, a plurality of fasteners, and a garage door. The garage door further comprises a plurality of door panels. The plurality of fasteners attach the composite textile to the garage door. The protective garage door cover forms a protective cover over the garage door. The protective garage door forms an insulating structure that insulates the garage door. The composite textile is a flexible structure such that the composite textile will bend with the garage door as the garage door is opened and closed.

Abstract: A fire display that may reside under a viewing window or panel. The display may include a tray or channel along which a fire ball or fire wave may travel. The display includes a gas delivery system.

Abstract: A hollow core door for a room, the door includes a stile and rail frame, an inside skin having a plurality of holes extending therethrough, an outside skin having a plurality of holes extending therethrough, both skins secured to the frame. The door includes a-panel disposed between the inside and outside skins, the panel having a surface area greater than an area of the pluralities of holes, and having openings disposed laterally of the pluralities of holes. The panel includes a slider panel having a plurality of slider panel openings, the slider panel slidable to alternately allow or block a flow of air. The pluralities of holes are located whereby air flows inwardly through the plurality of holes in the inside skin, divides, flows about the panel and through its openings, and outwardly through the plurality of holes in the outside skin in a non-linear manner.

Abstract: A weatherseal has a stiffener and a foam profile. A first portion of the foam profile is connected to the stiffener. A second portion of the foam profile is joined to the first portion at a hinge. The first and second foam profile portions have inner surfaces facing substantially towards each other and outer surfaces facing substantially away from each other. The foam profile defines at least one continuous elongate lumen. A portion of the foam profile has a resin coating.

Abstract: Coated articles include two or more functional infrared (IR) reflecting layers sandwiched between at least dielectric layers. The dielectric layers may be of or including silicon nitride or the like. At least one of the IR reflecting layers is of or including titanium nitride (e.g., TiN) and at least another of the IR reflecting layers is of or including NiCr (e.g., NiCr, NiCrNx, NiCrMo, and/or NiCrMoNx).

Abstract: A window shade alarm system for gently awakening a user. The window shade is connected to the Internet and opens such that light gradually increases in a room. Thus waking a user less abruptly than a traditional audio alarm. The window shade stores user selected modes and can control wireless enabled lights within a room to simulate the gradual increase of light at sunrise. The alarm system is connected to remote activated devices for the convenience of the user.

Abstract: A window covering includes a first rail and a plurality tiltable slats. The slats can be connected to a slat tilt control mechanism positioned within the first rail. The slat tilt control mechanism can be configured to tilt the slats to a tilted position (e.g. a closed position, or orientation) during the lifting or lowering of the window covering. The slat tilt control mechanism can also be configured to tilt the slats from a tilted position to an open position, or horizontal orientation, during the lifting or lowering of the window covering material.

Abstract: An architectural covering including a motor assembly is provided. The covering may include a head rail, an end cap enclosing an end of the head rail, a roller tube rotatably supported within the head rail at least partially by the end cap, and a motor assembly including a housing in splined engagement with the end cap to non-rotatably secure the motor assembly to the end cap. The motor assembly may be received at least partially within the roller tube and may be in driving engagement with the roller tube. A covering material may be attached to the roller tube such that rotation of the roller tube extends or retracts the covering material.

Abstract: A motorized shade assembly is provided having a discontinuous web extending between two rollers, one of which is motorized and the other is tensioned or biased toward rotation away from the other roller. The roller motor can be mounted inside of one of the rollers, and the tensioning device, such as a torsion spring, can be mounted inside of the other roller. The web includes a shade portion and a strap portion, with a rigid draw bar at the junction of those portions. Rotation of the rollers causes the strap portion to wrap over one of the rollers as the shade portion unwraps from the other roller. The shade assembly can be positioned between an inclined or curved vehicle window and an interior shroud for the window, such as found with a cab-over window of a Class B motorhome. The draw bar and fasteners connecting the strap to the draw bar facilitate movement of the shade when in contact with the shroud.

Abstract: A door curtain anti-dropping device for a rolling door is provided. The device comprises a worm shaft connected to the output shaft of the door operator, and a drive shaft comprising a limiting disc with through holes. The worm wheel having receiving slots is fixed on the drive shaft to mesh with the worm. The driven wheel is disposed adjacent to the limiting disc. Baffle plates designed to cover the through holes and receiving slots extend from the driven wheel. Plural latching pins stored with spring potential energy are compressed by the baffle plates and retained in the through holes and receiving slots. When the worm wheel is excessively worn and dislocated from the driven wheel, the baffle plates are moved to allow the latching pins to spring out and insert into the notches of the front cover, thereby lock the worm wheel and prevent the winding shaft from rotating.