Abstract: Disclosed is a barbell including a lever assembly; a pair of snapping assemblies disposed at two ends of the lever assembly and fixedly connected to the lever assembly, where each of the snapping assemblies comprises a first snapping member and a first limiting member, one end of the first snapping member is provided with a first snapping portion, the other end of the first snapping member is provided with a second snapping portion, the first snapping portion is provided with a first snapping recess, and the first snapping member is fixedly connected to the first limiting member and is fixedly connected to the lever assembly through the second snapping portion, and a plurality of weight plates snapped with each other and snapped with the first snapping portion.

Abstract: A retainer for retaining a pin with a section of a work machine. The retainer includes a body to be reversed between a first state and a second state to secure the pin with the section in each of the first state and the second state. The body defines a retaining portion and a securing portion. The securing portion is fixedly coupled to the retaining portion and defines through-holes. In the first state, the through-holes are aligned with apertures of the section for coupling the body to the section such that the retaining portion acquires first orientations relative to the section to engage the pin according to the first orientations. In the second state, the through-holes are aligned with the apertures for coupling the body to the section such that the retaining portion acquires second orientations relative to the section to engage the pin according to the second orientations.

Abstract: An automatic, roll-top waste container with a spring-activated lid includes a receptacle, a flexible lid, a sleeve, a retraction mechanism, and a locking mechanism. The receptacle has curved corners that prevent a trash bag from tearing while being loaded and unloaded. The flexible lid is slidably engaged over an opening of the receptacle. In the open position, the retraction mechanism retracts the flexible lid into the sleeve for storage and safe-keeping. To close the receptacle, a user must manually pull the flexible lid out of the sleeve and engage the locking mechanism. The locking mechanism is operatively coupled onto a front wall of the receptacle. In the engaged position, the locking mechanism prevents the flexible lid from retracting into the sleeve. The user can disengage the locking mechanism to allow the flexible lid to retract back into the sleeve.

Abstract: A distraction clamp for treating a variety of injuries, comprising a rod clamp assembly having two clamps each configured to retain a rod, a pin clamp assembly comprising a bracket having a first mating surface, and two retainers each having a second mating surface. The bracket is structured to retain a plurality of pins. The first and second mating surfaces of the bracket and retainers respectively, are disposed in movable, retaining engagement with one another. The bracket is reciprocally movable along its length relative to the rod clamp assembly and to the clamp connector. The clamp connector serves to interconnect the rod clamp assembly to the pin clamp assembly. The clamp connector may include a biasing structure disposed and configured to movably bias the bracket in a spaced relation relative to the rod clamp assembly.

Abstract: A toy holding adapter for removably attaching a fidget spinner to an article. The article may include an airplane; a helicopter, or a cycle, such as a motorcycle or a bicycle. The fidget spinner is mounted to the article to provide the article with a visual appearance of a rotating body associated with the article to which it is applied. The holding adapter has a stem extending from a back face that is operatively coupled to a receiver in the article. A central cavity in the front face receives a cylindrical adapter cup that is dimensioned to receive a holding disk of the fidget spinner.

Abstract: A compensation nut fastener assembly to connect first and second panels includes first and second nuts. The first nut includes a shaft having an outer threaded portion and a fastener-receiving channel. The first nut is connected to the first panel through the fastener, and the fastener is threadably secured to the first nut within the fastener-receiving channel. The second nut threadably retains the first nut, and includes a retaining wall having an internal threaded portion defining a central passage configured to threadably engage the outer threaded portion of the shaft of the first nut. The second nut is connected to the second panel, and the first nut is moveable within the central passage toward the first panel when the fastener threadably engages the first nut in order to compensate for a gap between the first panel and the second panel.

Abstract: A fastener device for fastening a hollow part is made up of two mutually facing walls to at least one structural part. The device comprises a one-piece body of metal material presenting two main faces extending longitudinally between first and second ends of the body. Each main face includes a bearing portion in the vicinity of the first end of the body. The bearing portion is for being pressed against an inside surface of a respective one of the two walls of the hollow part, with each bearing portion including a fastener orifice for receiving a fastener member. The bearing portions are separated from each other by a slot extending from the first end of the body and over a determined depth within the body.

Abstract: A fixing structure for a first and second member, in which the first member has a base portion and a boss extending from the base portion, and the second member has a base portion to which a distal end of the boss is fixed. The fixing structure includes a spacer portion disposed around the boss and configured to keep a distance between the base portion of the first member and the base portion of the second member when the first and the second member are assembled together through the fixing structure. The spacer portion is formed on the second member in such a manner as to extend from the base portion of the second member and come into contact with the base portion of the first member.

Abstract: Described is a building structure comprising a basic horizontal element, substantially flat and forming a treadable surface, comprising a plurality of stirrup bodies rising from the surface and aligned for identifying at least one habitable room, a plurality of wall elements each comprising a pair of panels parallel to each other and spaced at a predetermined distance so as to form a hollow space between them for receiving a construction material and an upper horizontal element connected to the upper ends of the wall elements for delimiting the top of the habitable room. The hollow space is filled with a volume of clayey soil having a percentage of between 19% and 26% of inert material and delimited by lower connection means anchored to the stirrup bodies and upper connection means anchored to the upper horizontal element; the volume of clayey soil compacted such as to have a compression strength of at least 22 kg/cm2 and a shear strength of at least 4 kg/cm2.

Abstract: A securing member includes a flat base portion, a flat top board portion which is supported by a pair of top board supporting portions erected on the base portion, a long hole which penetrates through the top board portion and of which both ends are closed, a bolt having a head which does not pass through the long hole, and of which shaft is inserted through the long hole in a state where the head is located lower than the top board portion and is to be inserted through a supporting hole provided on a supporting member of a solar battery module, a head insertion hole through which the head of the bolt passes, penetrates through the top board portion, and communicates with the long hole, securing holes which are located on a line obtained by projecting a center line of the long hole, and penetrate through the base portion.

Abstract: A pin or male member for a coupling device is disclosed. The pin may comprise an elongate non-metallic bar (2) and an elongate metal bar (25). The elongate non-metallic bar (2) has a first end (4), a second end (5), a central portion (9) extending along the elongate non-metallic bar (2), first grooves (7) towards the first end (4), and second grooves (6) towards the second end (5). The elongate metal bar (25) is enclosed in the elongate non-metallic bar (2). The elongate metal bar (25) comprises indents or protrusions, or both, on its surface and the indents or protrusions, or both, engage the elongate non-metallic bar (2).

Abstract: A boss for securing a pair of mainboards includes a circular top and a plurality of first flexible legs. The first flexible legs are disposed on one side of the circular top and are separated from each other. Each of the first flexible legs includes a tilted wall and a pressing component. The tilted wall is formed on a surface of the first flexible leg that faces another first flexible leg. The pressing component is formed on one end of the first flexible leg away from the circular top. The tilted walls of all the first flexible legs cooperatively define a tapered channel. The tapered channel can be expanded.

Abstract: A display unit for displaying materials, such as flooring materials, is provided. The display unit includes a frame having a plurality of spaced apart legs arranged in a common vertical plane, each of the legs having a plurality of vertically spaced slots. The frame also includes a plurality of walls, each having two opposite end portions attached to two adjacent legs and arranged parallel to the common vertical plane. A plurality of horizontal rails having knife brackets affixed to opposite ends thereof is included. The knife brackets each include a plurality of engagement tabs that engage with the slots, and a movable locking device. A plurality of display pages are mounted for pivoting movement between an upper rail and a lower rail of the plurality of horizontal rails.

Abstract: A wrench quick release apparatus includes a sleeve, a positioning unit, a wrench unit and an elasticity unit. The sleeve includes a channel and an engaging section for engaging to a first plate. The positioning unit inserts in the channel of the sleeve, and includes one end inserted through the first plate and an opposite end extends out from the channel of the sleeve. The wrench unit is pivotally connected to the positioning unit and extends out from one end of the sleeve. The elasticity unit includes one end pushed against the positioning unit and an opposite end pushed against the sleeve. Accordingly, the wrench quick release apparatus is first engaged to the first plate through the sleeve and then engaged to or disengaged from a second plate to achieve a steady and quick assembly effect with minimal efforts in a convenient manner.

Abstract: A cryostat, comprising an outer vacuum vessel containing cryogenic equipment suspended from the outer vacuum vessel by a number of suspension rods. At least one of the suspension rods is provided with a tensioning and retaining mechanism for holding that suspension rod in tension braced against a suspension bracket). This tensioning and retaining mechanism includes a tubular rod carrier arranged, in use, to pass through a hole or slot in the suspension bracket, the rod carrier having an axial bore through which, in use, the rod may pass; a thread on its outer surface along at least part of its length; and a rod bearing surface for, in use, transmitting force to the rod. This tensioning and retaining mechanism also comprises a tensioning nut threaded onto the thread so as to, in use, brace against the suspension bracket to urge the tubular rod carrier in the direction of the rod bearing surface so as to apply tension to the rod.

Abstract: A door handle and door-handle connector assembly comprises a door handle having a glass body and at least one door-handle connector. The door-handle connector comprises a glass interface having an elongated body made of glass. The body has a first end adhered to the glass body of the door handle, and a second end having a head portion. The door-handle connector also comprises a door interface having an inner cavity receiving the head portion of the glass interface, and an opening for the elongated body of the glass interface to project out of the door interface to be connected to the door handle. The door interface is adapted to be secured to a door whereby the glass interface is held captive to the door interface by the head portion held by the door interface. A door system and a door-handle connector are also provided.

Abstract: The lens barrel includes a first supporting frame, an optical element, a second supporting frame, and a guide shaft. The first supporting frame has a first base portion and a first seat portion that projects in a first direction from the first base portion. The second supporting frame supports the optical element and has a first bearing portion. The guide shaft is coupled to the first seat portion and inserted into the first bearing portion. The first seat portion is disposed within the circumference of the guide shaft when viewed in the first direction.

Abstract: A system is provided for joining two discrete devices together, such as a louver panel and a tilt rod, where the system comprises a first and second component, each comprising a link connected to a resilient sheet, with each component being independently adhered to one of the two discrete devices for joining the two devices in engaged but moveable relationship.

Abstract: The fastening element connects two parts in a chassis of a vehicle. The fastening element has a central axle on which two opposing paired support elements of damping material are arranged at an axial distance from one another. In order to achieve an improved performance at least one of the support elements is composed of two different components and/or of different material.

Abstract: A device (2) for connecting a first body to a second body comprises: a first element (20) having a connection end (21) adapted for being connected to the first body and comprising a first tubular portion (22) extending along a longitudinal axis (X); and a second element (30) having a connection end (31) adapted for being connected to the second body and comprising a second tubular portion (32) extending along the longitudinal axis (X), in the first tubular portion (22) of the first element (20). The first tubular portion (22) and the second tubular portion (32) are interlocked by at least one complementary tubular portion (41, 42, 43) extending along the longitudinal axis (X), in the first tubular portion (22) and around the second tubular portion (32). Each of the tubular portions has, in a section crosswise to the said longitudinal axis (X), a surface (S) of identical value. Use in particular in an aircraft engine assembly.

Abstract: A thin veneer stone saw and related methods are provided. The thin veneer stone saw includes one or more circular saw blades. A quick release mechanism is disclosed to facilitate changing of saw blades. The quick release mechanism is operative for interconnecting a driven member to a rotating member. In one implementation, the quick release mechanism includes a bearing surface fixedly interconnected to the rotating member, a shaft fixedly interconnected to the rotating member, and a cam plate. The cam plate is disposed a fixed distance away from the bearing surface. The quick release mechanism further includes an adjustable plate that may be disposed between the bearing surface and the cam plate. A distance from the adjustable plate to the cam plate can be adjustable. The quick release mechanism further includes a clamp base that is selectably fixable to the shaft and a cam arm pivotably interconnected to the clamp base.

Abstract: A rigging for moving an aircraft panel relative to an aircraft substructure includes a retaining base attached to a panel interior, and a slider rod held in contact with the substructure and adjustably engaged with the retaining base. The slider rod is manipulable from the panel exterior to adjustably engage the panel in a rigging position along a fair axis. The slider rod may include a tool appurtenance captively positioned within the riser bore that is exteriorly manipulable through a panel access port. Tool appurtenance manipulation may actuate the slider rod to adjustably engage the support hub and to move the panel into the fair position. A fit plate may be attached to the aircraft panel disposed intermediate to the retaining base, and may be adjustably attached to the aircraft panel for moving the aircraft panel into a fit position in a rigging plane.

Abstract: A rectangular wing formed by two parallel fiberglass ribs, tubular leading edge and tubular trailing edge with a nylon cover. The attack angle of the leading edge is controlled by the rider of the bicycle or tricycle giving lift to the wing. This lift assists in the support of the wing allowing for lighter wing ribs to be used in the construction. The lighter construction and reduced wind resistence increases the efficiency of the bicycle or tricycle using less human effort for propulsion while providing protection from sun and light rain.

Abstract: The invention relates to a coupling unit (24) for transmitting high-frequency mechanical vibrations from a vibration generator (12) onto a tool (34). Said coupling unit comprises in input part (22) and an output part (30) that are interconnected via two identical vibration bars (26, 28), said bars being off-set from each other. The bars may have the shape of quadrants to provide the output movement in a direction that forms an angle of 90° with the direction of the input movement.

Abstract: A thin veneer stone saw and related methods are provided. The thin veneer stone saw includes one or more circular saw blades. In an embodiment, two circular saw blades are arranged such that a masonry block, such as stone, may be sawed completely through in a single pass through the thin veneer stone saw. The stone may be delivered to, and processed through, the circular saw blades by a conveyor system. One of the circular saw blades may be centered below the top surface of the conveyor and protrude through a gap between two sections of the conveyor system. The other circular saw blade may be positioned entirely above the top surface of the conveyor system. The thin veneer stone saw may be operable to produce thin veneer stones in a variety of widths. The thin veneer stones may be used to form facade for a structure.

Abstract: A fastening device permitting two separate members to be fixed together with a relative interval between them including a bolt with a male screw portion formed at a front end side of a cylindrical shaft portion thereof and a spacer having a female screw portion engaging a male screw portion and screw-fastens with a screw of a first member side and rotates while receiving a rotation torque from the bolt and moves up to a position in which it comes into a contact with a second member. The root diameter of a male screw portion is smaller than the diameter of a cylindrical shaft portion while the inside diameter of the female screw portion is larger than the diameter of the cylindrical shaft portion. Consequently, the cylindrical shaft portion can be passed through the female screw portion even if the diameter of the cylindrical shaft portion is not reduced in diameter by cutting processing.

Abstract: A railing system having a thin profile balustrade for minimum obstruction of the view therebeyond. The railing system includes spaced parallel upper and lower rails which are supported in conventional fashion from upright posts. The balustrade is made of a plurality of parallel upright rod balusters extending between the rails and having upper and lower bent ends. Upper and lower elongate channels are provided and they respectively extend with the upper and lower rails. Each channel has an open side which is respectively secured against the bottom side or inside of the upper rail and the top side or inside of the lower rail, thereby providing an enclosed elongate passage in the channels. Spaced apertures are provided in the channels and receive the bent rod ends therethrough with the bent ends received in the channel passages for retention therein.

Abstract: A force connection strut (1) of a chassis of a passenger car or utility vehicle is provided for the non-positive connection between a chassis and a wheel carrier, preferably an axle strut or a chassis control arm. An elongated basic body (G) and at least two end-side mount supports (5) are provided for introducing and leading out forces.

Abstract: A first and second component joint includes using a fastener having a first end, and a flange having a diameter greater than a tubular barrel portion. A second end having a second tubular barrel portion merges into a shoulder of a flange part having a greater diameter than the barrel portion. The first tubular barrel portion is deformed radially outwardly sandwiching the first component between the flange and the first barrel portion. The second end of the fastener is introduced through a hole in the second component by applying the second component to the first component so the shoulder of the flanged part abuts the second component spacing the second component from the first component. The fastener device is fastened to the second component by deforming the second tubular barrel portion radially outwardly sandwiching the second component between the shoulder and the tubular barrel portion.

Abstract: An apparatus and method for adapting two-post rack systems to support four-post rack mounted equipment. In one embodiment, the apparatus includes a coupling member for modifying a two-post equipment rack. The coupling member may include a vertical support member having a first and second lateral end, and a first and second longitudinal end. A first torsion member may be coupled to the vertical support member at the first longitudinal end, and a second torsion member may be coupled to the vertical support member at the second longitudinal end. A coupling feature on the torsion members may be included to allow coupling to adjacent coupling members. An equipment attachment flange may be coupled to the first lateral end, and may further be adapted to emulate a vertical upright in a four-post rack. A rack attachment flange may be coupled to the second lateral end, and may be adapted to provide a load transfer path from the vertical support member to the two-post equipment rack.

Abstract: Tubulation tubing of a display panel includes a flange at one end and a ring-shape adhesive member placed on a display panel to align a vent hole of the display with an opening of the tubulation tubing and the flange of the tubulation tubing is bonded to the display panel via the adhesive member.

Abstract: A rotary-type fastening structure for fixedly coupling an extension rod with a coupling plate, having a rotatable fastening device in the form of a main body with an off-center shaft hole. The rotatable fastening device can be rotated off-center so as to lean its lateral edge on the coupling plate and selectively secure the extension bar to the coupling plate.

Abstract: Tubulation tubing of a display panel includes a flange at one end and a ring-shape adhesive member placed on a display panel to align a vent hole of the display with an opening of the tubulation tubing and the flange of the tubulation tubing is bonded to the display panel via the adhesive member.

Abstract: A systematic solution is provided to the anchorage of newel posts designed for building methods that are not conducive to cutting holes in framed flooring or to building in support for posts in the joisting. These brackets connect quickly to newels and anchor anywhere on a floor or platform that has been built to code. They support the newel at the end of a balustrade, on the inside or outside corner of a balcony, or on a long balcony run where center support is critical. They will secure a starting newel for a curb wall or a landing and anchor the wall studding at the same time. Unlike universal brackets, these are job specific and therefore able to meet current or future code requirements without costly failure.

Abstract: A device for connecting structural components (10, 12), with a base part (16; 116), which is disposed at the one structural component (10), a spacer (18; on 118), which is in threaded engagement with the base part (16; 116) and is supported with one end at the other (12) structural component, and a connecting screw (20), which is inserted frictionally engaged through the spacer (18; 118), wherein the spacer (18; 118) is surrounded by any jacket (32; 126) of a softer material, preferably of a plastic which, at least in the state, in which the spacer and the base part together have the smallest axial dimension, is flush with the front surface of the spacer (118) or of the hard core (50) of the same or protrudes with respect to this front surface.

Abstract: A connection element for at least two components (15, 7) of a conveyor support or guide structure, of the type comprising a body (1) presenting a first element (2) having first (3) for removably fixing a portion (15A) of one (15) of said components, and a second element (5) having second part (6) for removably fixing a tubular portion (7A) of said other component (7), in which the first and second fixing (3, 6) are distinct and separated from each other, the first fixing (3) having a plurality of slotted apertures (3A-D), and the second fixing (6) having an expansion member (8) able to expand within said tubular portion (7A) to fix it to said second element (5).

Abstract: The aim of the invention is to provide a simple, safe to handle fixing device for a par that can be inserted between adjacent supports, especially centrally. Locating holes that are aligned approximately flush with each other, for holding elements of the part are provided in the adjacent supports. The holding elements are configured in the form of pegs mounted in the part. The pegs are provided with a screw thread at their second ends and each engage in a corresponding screw of sliding pieces that can slide in the part. The sliding pieces can be slid and stopped in a plane defined by the longitudinal axes of the pegs. The part has at least one pair of pegs on opposite outer surfaces that are flush with each other through the part.

Abstract: A device for connecting two structural components, comprising:

Abstract: A connector assembly that interconnects opposed ends of two walk boards utilized in a scaffolding system. Each connector includes a first plate having a plurality of connector shafts extending therefrom. The connector shafts extend through openings or sleeves formed in the end portions of the respective walk boards. Opposite the first plate is a second plate that includes openings through which the connector shafts extend. Retainers are secured to the respective connector shafts for the purpose of retaining the second plate on the connector shafts while the connector shafts extend through the openings within the walk boards. An interconnecting shaft is extended through a series of openings within the first and second plates of each connector. This interconnecting shaft effectively connects the connectors together and thereby connects the opposed end portions of the walk boards together.

Abstract: A steering wheel bracket used to permit the pilot of a marine vessel, such as a sailboat, to steer the vessel from a location remote from the steering wheel. The invention permits the operator to move about the vessel for a better view during such activities as tacking or jibing. It also permits the operator to select between steering methods, i.e. the vessel can be steered via the regular method or it can be a tiller handled vessel. The bracket consists of a first larger block and a second smaller block clamped together around the spoke of and against the inside curvature of the steering wheel. This second smaller block is sized to fit within a notch in the first larger block. One end of a tiller extension removably fits within an opening in the larger block and by using such extension, the operator at the other end of the tiller extension is able to steer the vessel from a remote location.

Abstract: A structure for connecting a fixed support to a facing panel, in which rotatable L-shaped brackets are mounted on the support and panel and a rod extends between pins mounted in the bracket legs, so that the effective length of the rod may be varied and the brackets rotated to correct for misalignment between the support and the panel.

Abstract: There is provided a clamp-type apparatus for connecting a first object, such as a vibratory mechanism, to a second object that is a box-type vessel having at least one slot in a side near a corner, such as a steamship truck container, which apparatus comprises: (a) a first plate having a first aperture and at least one second aperture, the at least one second aperture being used to attach the first object to the first side of the first plate; (b) a bolt-type fastener for attaching the second object to the second side of the first plate, the fastener passing through the first aperture and being capable of rotating about its axis; (c) a rod for rotating the fastener about its axis; and (d) a small second plate for preventing movement of the apparatus relative to the second object, the second plate being perpendicular to and attached to the first plate. There are also provided a method for connecting a vibratory mechanism to a steamship truck container and a method for vibrating a steamship truck container.

Abstract: A fastener for construction systems, especially for exhibition booths, comprising tubes and nodes, with one screw attaching to a tube and another attaching to a node. The tube-attached screws are accommodated axially aligned in a sleeve that surrounds at least their heads, leaving their threaded shafts extending out. The node-attached screw slides back and forth but cannot rotate in the sleeve and is secured to the tube-attached screw by a threaded bolt that extends through a bore in the latter. The head of the tube-attached screw rotates in the sleeve and has a threaded axial bore that the head with a matching outside thread of an opposing node-attached screw screws into, whereby the thread has the same handedness as the threaded section on the node-attached screw and the bore is long enough to allow the head of the node-attached screw to screw all the way into the head of the tube-attached screw.

Abstract: An inexpensive light weight hollow frustum of a cone for suspending items on or from a host surface. The cone has a high strength-to-weight ratio provided by a thin wall of material forming the hollow cone. The cone has a bushing-like end at the apex thereof for receiving and holding the suspended item. An opening is provided in the bushing-like end for receiving a removable fastener. The base end of the cone is provided with a flange for receiving removable fasteners for securing and removing the cone and item to and from the host surface.

Abstract: Device for connecting two parallel mounting channels (4,5) to one another during the installation of a temporary wall. An anchoring member (6,7) is inserted into each channel (4,5). Connecting pieces (1,2) have on one front end flexible stop lugs (1c), which interact with corresponding stop surface in the anchoring member (6,7). The two connecting pieces (1,2) are held together by a clamp (3) that is slid on. The device can be made largely of plastic and can be assembled quickly and reliably without tools.

Abstract: A stop pin which has a forward end and a latching end is employed between spaced plates or walls having aligned apertures. The latching end of the stop pin has locking buttons formed on longitudinal faces of the stop pin and a shoulder spaced from the locking buttons by the thickness of the first plate. The forward end of the stop pin is inserted through the first aperture and into the second aperture. Additional axial force on the stop pin forces the lock button through the first aperture by rotating the latching end into relieved portions of the first aperture while the forward end of the stop pin opposes rotation. After the stop buttons pass through the first plate the pin straightens and is latched with the stop button and the shoulder on opposite sides of the first plates.

Abstract: In a front-end loader, a lift arm structure including a pair of lift arms which are rigidly joined by an improved cross-piece assembly. The cross-piece assembly includes first and second members which are configured to transversely extend one within the other between the lift arms. Along their lengths, the first and second members are separated from each other such that each is permitted to distort and absorb stress. The end portions of the first member are welded to an outside surface of the respective lift arms which the end portions of the second member are welded to an inside surface of the respective lift arms.

Abstract: An apparatus for attaching external stores or loads on a thin walled pole includes a first, open ended and externally threaded hollow sleeve defining a shoulder at one end, and a second, open ended and internally threaded hollow sleeve. An elliptical disk mounted to one end of the second sleeve defines a second shoulder. An other end of the first sleeve is threadable in an other end of the second sleeve to form a hollow sleeve assembly of variable length. The elliptical disk has an elliptical projection which fits in an elliptical hole of a thin walled pole when the hollow sleeve assembly is fitted therein. By using an external tool to relatively rotate the first and second hollow sleeves, one can tighten the hollow sleeve assembly to provide an expansive prestress and support for a bolt which passes through the hollow sleeve assembly for attachment of stores or loads.

Abstract: A trolley transfer unit for a tunnel furnace is to be used between trolleys when ceramic sintered products are loaded onto and unloaded from the trolleys in sintering the products in the tunnel furnace. The trolley transfer unit comprises a bar member for connecting the two trolleys with a predetermined interval, protrusions provided at both ends of the bar member for engaging the trolleys to be connected, and a support bar secured to the bar member and engaging a frame of the other trolley to support the bar member.

Abstract: The present invention is a manually propelled utility cart having a base, an intermediate slideable tray, and a top tray. The base includes wheels for movement of the utility cart along the floor surface. Vertical structural support members are provided for supporting the intermediate tray and the top tray vertically upward from the base. The intermediate tray has an adjustable positioning assembly and is in releasably slideable engagement with the vertical support members. The top tray includes molded utensil clips and has a handle with an integral trash bag retention portion. The upper tray also has upper support member engaging portions. The vertical structural support members includes at least one hollow rod structural member which is engaged and secured in compression between upper and lower support post engagement portions.