Abstract: A flange element for a flange connection with a longitudinal centre axis A includes a flange part and an attachment part. The flange part has a front side with a front surface. The attachment part is adapted for secure attachment to a tubular element comprising a tower section of the tower structure for a wind turbine or a pipe element that is part of an offshare load bearing structure. The flange part is arranged radially on the inside of the flange element and is provided with a flange wedge. The flange wedge includes a flange wedge surface that is part of the front surface, and a flange heel including a flange heel surface that is part of the front surface. The flange wedge surface makes a wedge surface angle ?1 and the flange heel surface makes a heel surface angle ? with a plane P that is perpendicular to the longitudinal centre axis A of the flange element.

Abstract: A penetration fitting assembly includes a pipe gasket having an annular portion defining a central opening and first and second stem portions extending in opposite directions from the annular portion, an inner ring assembly configured to surround the pipe gasket and including first and second inner ring halves, a ring gasket assembly configured to surround the inner ring assembly and including first and second ring gasket halves, a wall gasket, an outer ring assembly configured to surround the ring gasket assembly and including first and second outer ring halves, and a clamp configured to surround the outer ring assembly. When the penetration fitting assembly is installed, the outer ring assembly compresses the wall gasket against the wall of the sump, the clamp compresses the ring gasket assembly between the inner ring assembly and the outer ring assembly, and the clamp compresses the pipe gasket against the pipe or conduit.

Abstract: A penetration fitting assembly includes a pipe gasket having an annular portion defining a central opening and first and second stem portions extending in opposite directions from the annular portion, an inner ring assembly configured to surround the pipe gasket and including first and second inner ring halves, a ring gasket assembly configured to surround the inner ring assembly and including first and second ring gasket halves, a wall gasket, an outer ring assembly configured to surround the ring gasket assembly and including first and second outer ring halves, and a clamp configured to surround the outer ring assembly. When the penetration fitting assembly is installed, the outer ring assembly compresses the wall gasket against the wall of the sump, the clamp compresses the ring gasket assembly between the inner ring assembly and the outer ring assembly, and the clamp compresses the pipe gasket against the pipe or conduit.

Abstract: A radar apparatus mounting assembly in accordance with embodiments of the present disclosure can protect a radar apparatus from an impact applied to a vehicle and prevent a corresponding detection area from being changed by allowing a bracket installed in the vehicle in combination with the radar apparatus to be provided with an elastic structure.

Abstract: A sensing assembly includes an electronics assembly for use with a fire hydrant, the electronics assembly comprising: a sensor in fluid communication with the channel; at least one battery in electrical communication with the sensor; an antenna in electrical communication with the sensor; and a cover protecting the sensing assembly.

Abstract: A fire extinguishing system for a vehicle includes a fire detection device outputting a fire detection signal in response to detecting a fire and is installed in a predetermined space of the vehicle. A controller outputs a control signal for spraying fire extinguishing agent when the fire detection signal is received from the fire detection device. An air tank stores compressed air and a fire extinguishing agent cylinder is connected to the air tank through an air hose, is filled with the fire extinguishing agent, and is operated to discharge the fire extinguishing agent by the compressed air, supplied from the air tank through the air hose, by the control signal. A spray nozzle assembly is connected to the fire extinguishing agent cylinder through a fire extinguishing agent hose and sprays the fire extinguishing agent being supplied, from the fire extinguishing agent cylinder, through the fire extinguishing agent hose.

Abstract: A sensing assembly assembly for use with a fire hydrant having a stem includes a sensor in fluid communication with a water supply; at least one battery in electrical communication with the sensor; and an antenna in electrical communication with the sensor; wherein at least a portion of the sensing assembly is located within an interior cavity of the stem.

Abstract: A sensing assembly assembly for use with a fire hydrant having a stem includes a sensor in fluid communication with a water supply; at least one battery in electrical communication with the sensor; and an antenna in electrical communication with the sensor; wherein at least a portion of the sensing assembly is located within an interior cavity of the stem.

Abstract: A floatable pipe combination has a plastic pipe having a rear longitudinal end, on which a rear flange region is formed, and a front longitudinal end, on which a front flange region is formed, a closing cover arranged on the rear longitudinal end, and a closing cover arranged on the front longitudinal end. A pulling device is arranged on the closing cover. At least on the front longitudinal end, a flange protection with an outer protective covering is arranged. The outer protective covering is formed to radially project with respect to the outer diameter of the plastic pipe.

Abstract: The present disclosure relates to a radar-based fill-level measurement device for measuring a fill level of a fill substance located in a container. Besides a housing, the device includes an antenna and a housing neck, which is arranged between the housing and the antenna, wherein the housing neck has between the housing and the antenna a predefined thermal resistance, and at least one electronics module partially arranged in the housing neck. The thermal resistance of the housing neck is dimensioned in such a manner to be low, such that, at a temperature in the container of at least 200° C., the temperature at the electronics module is limited to, at most, 80° C. Thus, a high resolution and temperature-resistant and simultaneously compact, fill-level measurement device is provided for high radar frequencies of, for example, 79 GHz.

Abstract: A grease pan expansion assembly for capturing grease that would otherwise spill from an overflowing grease pan in a cooking grill includes a container that is positionable around an existing grease pan in a cooking grill. The container has a fluid capacity that is greater than the fluid capacity of the existing grease pan. Thus, the container inhibits grease from spilling out of the cooking grill when the existing grease pan becomes full. A bolt is extendable through the container and the existing grease pan thereby releasably coupling the container to the existing grease pan. A handle is attached to the existing grease pan and engages the container for emptying the existing grease pan.

Abstract: A pressurized gas cylinder having a bottle neck, a valve arranged in the bottle neck for extraction of a stored compressed gas from the pressurized gas cylinder, a filter for filtering contaminants from the compressed gas, and a support sleeve for supporting the bottle neck and to which the filter is attached radially inwardly thereon.

Abstract: A one-piece part and a method of making the one-piece part. The one-piece part comprises an upper wall; a lower wall having an exterior portion and an interior portion, the interior portion overlapping the upper wall; lateral walls connecting the upper wall to the lower wall; an intermediate wall connecting the upper wall to the lower wall, the intermediate wall extending longitudinally between the lateral walls; a bottom wall connecting the lateral walls and the lower wall; and a top wall connecting the lateral walls and the upper wall, wherein the lateral walls, the top wall, the bottom wall, the exterior portion of the lower wall, the intermediate wall, and the upper wall have exterior surfaces and interior surfaces, the interior surfaces defining a volume of the one-piece part, and wherein the interior portion of the lower wall extends into said volume.

Abstract: A guard plate for selectively covering a protected surface, wherein: the guard plate comprises a plurality of fasteners, a plate body. The plate body comprises a first side edge, a second side edge, a curved top edge, a lower edge, a back side, a front side, the guard plate comprises at least a first lower bolt hole arranged along the lower edge of the guard plate. proximate to the curved top edge, the guard plate comprises a first upper indention and a second upper indention, each configured to receive a portion of a first upper fastener and a second upper fastener, respectively. The guard plate comprises a rotational origin created by rotating the guard plate around a first lower fastener in the first lower bolt hole.

Abstract: In a vehicle power transmission device including a case housing a power transmission mechanism and a cover covering a side surface of the case in a vehicle width direction, the cover includes a stepped portion with a vehicle rear-side portion projecting outward in the vehicle width direction in a horizontal cross section, a front-side extending portion extending from the stepped portion to the vehicle front side and a plate-shaped inclined rib disposed at a corner portion between the stepped portion and the front-side extending portion, and inclined toward the front-side extending portion from a leading end portion of the stepped portion to the vehicle front side.

Abstract: A quick-access hinged lid assembly for flanged riser, having two-part clamp, having an inner face shaped to conform to the surface flanged riser, first clamp ring and second clamp ring are connected by a clamp hinge, a lid having an exterior surface and an interior sealing surface to abut the flanged riser exterior surface, wherein the interior sealing surface includes annular groove, gasket or o-ring positioned therein groove to seal flanged riser exterior surface and interior sealing surface, a lid hinge configured between clamp and lid, lid hinge having a swing bolt slot and pin bolt to provide adjustment of the lid to enable the lid to mate flat with flanged riser, swing bolts positioned on the perimeter and pivotable from the clamp ring with hand operable fasteners to press gasket between interior sealing surface of the lid and flanged riser exterior surface in a closed position.

Abstract: High strength swivel anchors, are configured for insertion through an aperture in a substrate while in a minimal configuration and expandable behind the substrate for anchoring engagement thereto. The anchor herein has at least two pivotally attached elongated anchoring arms with the arms being swivelable relative to each other in a single plane from the minimal configuration wherein the anchoring arms are coextensive to an expanded anchoring engagement position wherein the anchoring arms cross each other through a point of pivotal attachment. The anchor herein further comprises a structural element which retards retraction of swiveling movement of the anchoring arms from the minimal configuration to the expanded anchoring engagement position.

Abstract: A closure system for the electrolyte fill port of an electrochemical cell is described. A cell header has an electrolyte fill port comprising an upper opening sidewall extending from a header upper surface to an intermediate ledge located part-way through the header thickness. The ledge extends from a lower edge of the upper opening sidewall to an upper edge of a lower opening sidewall, the lower opening sidewall extending to the header lower surface. With respect to an axis of the electrolyte fill port, the upper opening sidewall has a first radius r1 and the lower opening sidewall has a second radius r2 at the ledge, the lower opening sidewall extending downwardly and inwardly along the axis from the second radius r2 to a third radius r3 at the header lower surface. The second radius r2 at the ledge is greater than the third radius r3 at the header lower surface.

Abstract: A hollow tube connector is used to make detachable fluid-tight connection of two connector parts. The tube connector includes a first connector part, wherein a first of its two axial ends is configured to connect to a pipeline on a vessel, and a second connector part, wherein a first of its two axial ends is configured to connect to a pipeline on an STP-buoy. The coupling surfaces of the second axial ends include a non-crossing groove circumferentially around the contact surfaces, and a groove located on one of the contact surfaces and having a mirror-imaged groove located on the other contact surface. The two opposite grooves form an encompassing cavity upon contact of the contact surfaces. At least one of the contact surfaces is tapered relative to an axis perpendicularly to a center axis and forms a pre-tensioned abutment which increases the resistance to relative motions between the contact surfaces.

Abstract: There is disclosed a super critical hydrolysis extraction apparatus including a pressure container comprising a body and a lid coupled to the body to close a space formed therein to accommodate an object; a contact unit configured to open and close the body, while moving the lid forward and backward; and a pipeline unit comprising a supply line where a liquid for filling in the pressure container and a discharge line for discharging the liquid of the pressure container.

Abstract: A press base may include a piston cavity formed in the press base and a piston cavity sleeve positioned in the piston cavity. The piston cavity sleeve may include a wall having an outer surface and an inner surface opposite the outer surface. The piston cavity sleeve may further include a floor having an upper surface and a lower surface opposite the upper surface. An outer radius may be formed at a juncture of the outer surface of the wall and lower surface of the floor and an inner radius may be formed at a juncture of the inner surface of the wall and upper surface of the floor. The inner radius may exhibit a radius of curvature that is greater than a radius of curvature of the outer radius.

Abstract: A medical apparatus that includes an apparatus body that has a surface with an opening and a cover coupled to the apparatus body about an axis of rotation angled to the surface. The cover is operable to rotate about the axis of rotation to move between a first position wherein the cover closes the opening and a second position wherein the cover is moved to allow access to the opening.

Abstract: A spacer for gear hobbing machine, a gear hobbing machine incorporating same, and an associated method are provided. The spacer includes a bore. One or more adjustment members are carried by the spacer and adjustable into and out of the bore. Adjustment of the adjustment members allows for varying the position of the spacer when mounted on an arbor of the gear hobbing machine.

Abstract: A film includes a substrate including a cyclic olefin-based resin; and an easily adhesive layer adjacent to the substrate, in which a content of a fluorine-containing polymer in the easily adhesive layer is greater than 20 mass % with respect to a total mass of the easily adhesive layer. This film is used in a transparent conductive film, and this transparent conductive film is used in a touch panel. A method for producing a film includes laminating an easily adhesive layer by directly applying a coating liquid for forming an easily adhesive layer on a substrate including a cyclic olefin-based resin, in which a content of a fluorine-containing polymer in the coating liquid for forming the easily adhesive layer is greater than 20 mass % with respect to a total mass of the coating liquid for forming the easily adhesive layer.

Abstract: The invention refers to a device to create a hermetic seal for large openings in equipment subject to low pressure. According to the invention it is characterized by at least one sealing cover being provided, which is pressed onto the side wall of the equipment by means of bolts, where the bolts are welded to a strip attached to the side wall at the edge of the opening in the equipment. This provides a good, low-cost and hermetic seal.

Abstract: A lockable manhole cover includes, for example, a manhole cover installable in an opening in a manhole frame, a locking member attached via a pin and slot arrangement beneath the manhole cover, and a lever pivotally attached to the manhole cover. A lower end portion of the lever is operably engageable with the locking member to move the locking member relative to the manhole cover. The lever is disposable in a lowered position so that an end portion of the locking member is operably engageable with a portion of the manhole frame for use in inhibiting removal of the lockable manhole cover from the manhole frame. The lever is disposable in a raised position so that the end portion of the locking member is operably disengageable with the portion of the manhole frame to allow removal or installation of the lockable manhole cover from or in the manhole frame.

Abstract: Provided is an independent tank, and a manufacturing method therefor, for which local bending stress occurring on the vicinity of a boundary portion (welded portion) can be reduced without increasing plate thickness. An independent tank has at least one curvature change portion in which the curvature along the axial direction of plate members that form the tank changes along the axial direction. Both the inner peripheral surface and the outer peripheral surface of the plate member on the small curvature side are not flush with respect to the inner peripheral surface and the outer peripheral surface of the plate member on the large curvature side. The plate thickness center of the plate member on the small curvature side is offset toward the radial direction inner side or the radial direction outer side with respect to the plate thickness center of the plate on the large curvature side.

Abstract: A door interlock device for a power transformer room in a vacuum circuit breaker includes a cam disposed on a shaft of a ground switch, a supporter disposed on a side plate of a power transformer room, a shaft disposed at the supporter to be slidable and having one end contacting the cam to be upward and downward movable, a spring disposed within the supporter to provide an upward elastic force to the shaft, and an interlock plate disposed at one side of the power transformer room door and configured to be in contact with the shaft.

Abstract: A removable protective cover for engines and/or transmissions includes a central portion and a flexible peripheral flange that extends transversely from the central portion. The peripheral flange includes an engagement surface formed by a groove or other suitable feature on an inner side of the peripheral flange. A plurality of teardrop shaped washers or retainers have protruding portions that engage the groove to removably retain the cover on the engine. At least a portion of the peripheral flange comprises an elastomeric material such that the removable cover can be installed and removed by flexing the peripheral flange to cause the teardrop shaped washers to engage and disengage the groove.

Abstract: The invention claims a flush type toilet bowl, comprising a toilet bowl provided with a toilet inlay therein, wherein an elastic ring, a clamping ring and a J-shaped sealing ring are arranged under the toilet bowl drainage hose in sequence, and a nut is further equipped for sealing the end faces of the toilet bowl and the toilet inlay; the toilet bowl is provided with a cavity for containing the clean water and a double water spray jets extended out from the water-jet nozzle; the cavity is provided with a hose connected with the four-way valve, the water-jet nozzle and the hand-pressed air pump, next to the air pump is a button with which you can flush the toilets by pressing it easily. The invention is developed as the gravity flush portable toilet and the cassette portable toilet by using the flush type toilet bowl as the basic universal part, thereby being used on the caravans.

Abstract: A medicated pad which may be removably placed over a skin disorder such as acne to provide a relatively rapid treatment for relieving such skin disorder and may then be easily removed from the person.

Abstract: A fastening and loosening device includes transport devices capable of moving along the array direction of a plurality of stud bolts, control panels that independently control the transport devices, a plurality of bolt tensioners, control panels that independently control the bolt tensioners, and a transport operating device having a control panel that controls the control panels and the control panels, and a fault diagnosis device is provided by connecting the control panels to the transport operation device through power cables, whereby the reliability of the device can be improved.

Abstract: Pressure tank, comprising a hollow body of thermoplastic material with at least one outlet, into which one connector each is inserted, which has at least one aperture each to the interior of the hollow body, with a sealing flange which is integrally formed around the outlet to the connector. This sealing flange is visible to the outside and is welded and/or bonded to the hollow body, on which at least one torque coupling is integrally formed, whose cross-section is polygonal or non-circular and which is inserted in a complementary coupling socket in the hollow body, running around the outlet.

Abstract: A rotatable apparatus includes a casing and a protector for closing an opening. The casing includes first and second casing faces intersecting at angle ?1. The first casing face is provided with an opening. The protector includes first and second protector faces abutting and intersecting each other at angle ?2. The protector is fixed to only the second casing face. The angle ?2 is larger than the angle ?1 when the protector is removed from the casing. The protector is attached to the casing in such a manner that the second protector face is fixed to the second casing face, and that the first protector face is elastically deformed so that an edge part of the first protector face, which is located on the side opposite to the second protector face, closely contacts the first casing face.

Abstract: An outer fuel access tank cover (FTAC) of an aircraft, a wing including such outer FTAC of an aircraft, and an aircraft are disclosed. The outer FTAC of an aircraft is related to designing auxiliary pieces in the wing of aircrafts to control the risk of gases from an explosion occurred in the FTAC entering the fuel tank.

Abstract: An exemplary wiper assembly for use with a concrete mixer includes a wiper element configured to span a gap between a mixer barrel and a collector, and is configured for suspendedly coupling to a support frame separate from any coupling to the mixer barrel or the collector. One or more arm members are coupled between the concrete mixer and the wiper element. The arm member includes a tensioning portion that adjusts to move an upper edge of the wiper element into contact with the mixer barrel, and an elastic portion that enables the wiper element to adjust relative to each of the collector and the mixer barrel during rotation of the mixer barrel. Thus the wiper element has limited movement independent of rotation of the mixer barrel and of vibrational movement of the collector and mixer barrel due to movement of the concrete mixer over rough terrain, for example.

Abstract: An apparatus forming a measuring device for ascertaining and monitoring a chemical or physical process variable in a high temperature process in a container, wherein the measuring device is formed from at least a sensor element located in the process and at least a measurement transmitter located outside the process. At least a first sealing element is provided for sealing against penetration of process medium into the sensor element. The sensor element has a boundary location between a first sensor element region, which faces the process and which is embodied with a high thermal resistance, and a second sensor element region, which faces away from the process and which has a low thermal resistance, and that the temperature sensitive element is arranged in the sensor element at the boundary location.

Abstract: A cap assembly for a container that includes an outer-shell and an inner-element that is received within the outer shell. The outer shell includes a recess on the interior surface of a top portion and the recess includes a top flange section that restricts the opening. The recess receives a complementary end wall that extends from the inner-element and which has a lip that mechanically locks within the recess thereby keeping the shell and liner together. In embodiments a clutch plate is positioned between the shell and liner.

Abstract: An LED light emitting apparatus according to an embodiment of the present invention includes a plurality of LEDs, a case having the LEDs at its front side, and a plurality of bolts each having a threaded portion for fixing the case to outside. The case has a plurality of insertion portions each allows inserting a bolt from the front side through the back side of the case. Each of the insertion portions has at its inner portion an elastic member having a first inner diameter which is smaller than the outer diameter of the threaded portion, and the elastic member is fixed in the insertion portion.

Abstract: A sealed stopper for an opening in a junction tubing between an enclosure and a pipe, including an attachment ring. The stopper includes a rigid lid and a sealing assembly borne by the lid including a passive annular gasket including at least one annular internal chamber, a first static annular gasket, a second static annular gasket and a flat gasket ensuring the seal of the opening of the tubing.

Abstract: A mechanism is provided for physically protecting an interface on an electronic device having first and second protrusions, each having a surface. The mechanism includes first and second clamping mechanisms, a hinge assembly and a cover plate. Each clamping mechanism has a pair of blocks that are detachably fastenable together. As assembled along the protrusion surface of the device, the blocks form a channel that rigidly engages that surface. The hinge assembly forms a pivotable joint and can be removably attached to the first clamping mechanism to orient the pivotable joint substantially parallel to the interface. The cover plate can be removably attached to the hinge assembly for disposal to swing on the pivotable joint between closed and open positions. In the closed position, the cover plate securely connects to at least the second clamping mechanism.

Abstract: A lid-lift hole assembly for an underground utility vault lid comprises a liner positioned in an open-ended lid-lift hole, and a receptacle positioned below the liner. Opposite side walls of the receptacle contain thru-holes aligned with fastener holes in opposite side walls of the liner, Fasteners extending through the thru-holes and into the fastener holes (from the underside of the lid) are tightened (to apply pressure to the juncture between the receptacle and the liner) to lock the liner in the lid-lift hole. The receptacle forms an enlarged-volume, box-like enclosure rigidly (but releasably) held beneath an open passage through the liner. The space inside the receptacle can contain debris kept from entering the working area of the vault. The space inside the receptacle is shaped to receive a tool for removing the lid.

Abstract: A system includes a container assembly comprising a cover threadingly coupled to a container along a threaded interface portion of an interface and a cover lock assembly. The cover lock assembly includes a lock screw configured to selectively move between a cover lock position and a cover release position. The lock screw extends across the interface to resist threaded rotation of the cover relative to the container in the cover lock position, and the lock screw is recessed away from the interface to enable threaded rotation of the cover relative to the container in the cover release position. The cover lock assembly also includes a lock insert configured to block movement of the lock screw from the cover lock position to the cover release position.

Abstract: An object is to provide a closing member for an opening, the closing member capable of more reliably maintaining a lightning-protective function. In addition to a first insulator 63, a second insulator 65 is provided between a door body 30 and a wing inner surface 11b around an opening 12. When the first insulator 63 falls off, the second insulator 65 becomes interposed between an inner peripheral planar part 64 and the wing inner surface 11b. With the first insulator 63 being tightly interposed between an outer peripheral planar part 62 and the wing inner surface 11b, the second insulator 65 faces the wing inner surface 11b with a predetermined clearance C therebetween. The outer peripheral planar part 62 is formed at a position further away from the wing inner surface 11b than an apical surface 65a of the second insulator 65 mounted on the inner peripheral planar part 64.

Abstract: A system for sealing an access port of a pressurized container or conduit comprises a metallic cap 10 having a sealing surface 20 which forms a seal with a corresponding sealing surface 16 of a metallic access port assembly 2, when the surfaces are pushed against each other by a clamping means 4 which is preferably separate from the cap. As shown the metal to metal sealing surfaces are frustro-conical in shape. The cap comprises a shoulder 26 which engages the rim of the access port if the cap is over tightened preventing deformation of the sealing surfaces. The cap may comprise a further frustro-conical sealing surface 40 which co acts with a corresponding surface 46 on an insert 6 which fits within and rests upon an internal shoulder 18 of the access port assembly 2 which may be welded onto a container.

Abstract: Size reduction of a barrel-type casing using a shear key is aimed for while ensuring a necessary area of a head cover end surface. A shoulder is formed on the axially outer side of the outer circumferential surface of a head cover. The inner surface of a casing is provided with a circumferentially extending groove. Shear key structure includes a first shear key member disposed in the shoulder and the groove, such that at least a portion of its outer circumferential surface is in contact with the inner circumferential surface of the groove, and a second shear key member disposed adjacent to the first shear key member in the groove, the second shear key member having an axially projecting shoulder, its outer circumferential surface being in contact with an inner circumferential surface of the casing.

Abstract: The invention relates to a sealing element fastening system for at least one sealing element of a pressure vessel, which has at least one opening and a sealing part, in particular a cover, provided for the opening. In the operating state of the pressure vessel each sealing element is at least partially inserted in an accommodating groove in the sealing part and corresponding sealing element fastening devices are positioned in each case in an indentation in the sealing part. The indentations are in each case sealed by a fill element in the operating state of the pressure vessel.

Abstract: A reusable oval cap for an oval container that is threaded for ease of removal and installation and provides a water tight seal when fully seated in the container. When the cap is removed, the full cross sectional area of the housing is open for inserting or removing the contents of the container.

Abstract: Through experience of extended travels it is quite apparent that there is a need to solve the perplexing question of what should a person do when a family pet dies while on vacation. The Heart Pet Burial Vault solves this problem for owners of small to medium pets who die while miles from home and wish to return their pets home for burial. The burial vault is a strong, solid enclosure that protects the pet carcass inside an encasement that seals itself through a easy closing of an end cap by the simple turning of two screws. The unique seal allows the pet owner to retain the pet carcass for an extended period of time to store, transport and bury all in the same container without the fear of odor or liquid seepage.

Abstract: Container cover/door with high security locking system comprises a metal cover/door having a first through opening surrounded by a first metal sleeve or collar extending inwardly from the outer surface of the cover/door. Fixedly attached to the inner surface of the cover/door is a metal bracket having a second through opening surrounded by a second metal sleeve or collar that extends outwardly within the first collar. The locking system comprises a locking mechanism including a spring loaded latch contained within a housing mounted to an inner surface of the metal bracket, and a security screw having a screw head that is encased within the second collar with a close tolerance therebetween, and a screw shaft of a smaller diameter than the screw head that extends inwardly from the screw head through an opening in the locking mechanism.