31 results about "Leeboard" patented technology

A back plate device is formed by a generally rectangular frame having an open front face a back plate which is recessed inwardly from the open front face, and at least one wall extending forward from the back plate to the open front face, the wall extending around at least part of the frame periphery. The back plate has a cable access opening and a ledge surrounding the opening against which a face plate can be seated. The outer dimensions of the frame are less than the inner dimensions of a network connection box in which it is to be mounted, and the back plate is spaced from a rear wall of the box when installed to define a concealed cable management area behind the frame.

A towable, wheeled-backpack includes a towing handle attached to a curved, single-pole, telescoping towing member which retracts into the backpack when not in use. The curvature of the towing member provides support for a backing sheet that is attached to the towing member, and the backing sheet is contoured so that the backpack can be comfortably supported on a wearer's back. A rigid base with wheels is pivotally attached to a bottom end of the towing member. The pivot attachment allows the base and wheels to move independently of the towing member as the bag is worn or as the bag is rolled along the ground.

A sports arena comprised of a vertical wind tunnel modular unit capable of conjoining with a multitude of vertical wind tunnel modular units joined in tandem for the purpose of levitating humans in a sports arena. The vertical wind tunnel sports arena is designed so that a single vertical wind tunnel modular unit can be utilized as a self contained sports arena or multiple vertical wind tunnel modular units can be combined together in tandem to form an expansive arena where various competitive sports can be played while the athletes are levitating in mid air. The arena contains two separate target systems, each suspended twenty feet above a trampoline safety net, disposed at polar opposite ends of the sports arena. A ball striking a button in the middle of a backboard on the target system will cause a fireball or Tesla coil report to discharge indicating a field goal.

A pivotable pylon for carrying stores, such as ordinance, sensors and pods external to an aircraft includes an elongated strongback coupled against an external surface of the aircraft and generally parallel to the longitudinal axis thereof. An elongated pivoting structure is pivotally coupled to the strongback for parallel pivotal movement relative thereto. A locking mechanism locks the pivoting structure in a selected one of a plurality of angular positions relative to the strongback. At least one stores rack is coupled to the pivoting structure for receiving and coupling at least one stores item to the pivoting structure. An aerodynamic fairing may be disposed on the pylon to decrease drag. The pylon can be mounted on either side of the aircraft and in any one of a plurality of longitudinal stations, and enables the aircraft to carry stores that are too large for its equipment bays, and to carry an optimal load of stores.

A boat hull or other marine structure is made by shaping a plastic foam core and covering it with a plastic outer skin glued in place by adhesive, mechanically fastened, or applied in liquid form. Minimal sawcuts to the foam core ease manufacture. Methods for anchoring fittings, masts, pipes and shade canopies are presented. No-sew sails for the boat have corners made of plastic sheet attached using both adhesive and mechanical fastening. Lateral resistance of the hull is provided by telescoping leeboards. A suite of these boats share the same modular masts and sails. Such boat hulls offer light weight, ease of transport, and unswampable buoyancy.

The invention discloses a mobile power distribution cabinet, comprising a cabinet body, supporting legs, two pairs of wheels and a parking device. The supporting legs are arranged on the side of the lower surface of the cabinet body close to the cabinet door, and the wheels are respectively arranged on the cabinet body The lower surface is close to the two corners of the back plate, each pair of wheels is radially spaced with a number of convex ridges on the opposite surface, each pair of wheels is installed in the wheel frame through the wheel axle, the parking device includes a foot pedal and a brake pedal, a foot pedal. One end of the plate is rotatably connected with the wheel frame, a torsion spring is arranged at the connection between the foot pedal and the wheel frame, the brake plate is arranged at the other end of the foot plate, and the two ends of the brake plate are provided with hooks. When the body is in a fixed position, the wheels are locked and the support legs are on the ground, and the cabinet is placed normally. When it needs to be moved, the wheels are unlocked and the support legs are lifted. Only the wheels are on the ground, and the cabinet can be pushed at will.

The invention discloses a liftable and rotatable anti-drop sound box. The sound box comprises a mounting back plate and a lifting seat; the mounting back plate is fixedly mounted on a wall surface, aU-shaped groove is formed in the front surface of the mounting back plate, and two first screw rods are symmetrically and rotationally mounted on the left side and the right side of the U-shaped groove; The first screw rod is further in threaded connection with screw sleeves, the two screw sleeves are in sliding connection with the U-shaped groove, and the left side and the right side of the lifting base are fixedly connected with the two screw sleeves correspondingly; A mounting plate is arranged on the lower side of the lifting base, the left side and the right side of the mounting plate arefixedly connected with the lifting base through supports, and a rotating disc is rotationally mounted in the mounting plate. A sound installation base is further arranged on the lower side of the rotating disc, the sound installation base is of a hollow box structure, and a sound is arranged in the sound installation base. The loudspeaker box can be driven to move up and down, the loudspeaker boxcan be driven to rotate, meanwhile, vibration force is absorbed and converted when the loudspeaker box mounting base falls off accidentally, and the loudspeaker box is protected from being damaged.

A foldable movable closet used in both sitting up and laying down modes for the patient of large intestine hydrotherapy is composed of segmental bed board and its supporting frame, folding mechanism for regulating the slop angles of sitting plate and back plate, excrement and urine collector, bench plate, lifting mechanism, and castors. It can be foleded to become a small-size handcart, or defolded to become a movable closet.

The invention discloses a wall-mounted hat and coat stand. The wall-mounted hat and coat stand comprises a back board fixed on a wall, horizontal beams are arranged at the upper and lower ends of thefront of the back board, edge stringers are arranged between the left and right ends of the horizontal beams at the upper and lower ends, two ends of the edge stringers press the horizontal beams, middle stringers are uniformly distributed between the two edge stringers, two ends of the middle stringers also press the horizontal beams, gaps are reserved among the middle stringers and gaps are alsoreserved between the middle stringers and the edge stringers, from top to bottom, at least two rows of hang arms are embedded in the gaps among the middle stringers and the gaps between the middle stringers and the edge stringers, a distance is formed between the upper and lower rows of hang arms, the lower parts of the hang arms are rotatably connected in the gaps among the middle stringers andthe gaps between the middle stringers and the edge stringers through rotation pins, the upper ends of the hang arms are held for overturning the hang arms, and the lower end of each hang arm pushes against the back board. The wall-mounted hat and coat stand is simple in structure and strong in decoction property, and can be used for hanging a plurality of garments and articles, and no large spaceis occupied.

The invention discloses a transfer safety chair for facilitating the lying of a patient on a magnetic resonance imaging (MRI) bed. The transfer safety chair comprises a pedal support plate, a liftinghydraulic cylinder, a seat cushion plate, a back plate, a lifting rod and lifting air cylinders. A piston rod of the lifting hydraulic cylinder is vertically upward. The seat cushion plate is placed on a rectangular frame. One end of the pedal support plate is hinged on the front side of the seat cushion plate. The lifting air cylinders are arranged on a left front column and a right front column,respectively. Piston rods of the lifting air cylinders are inclined forward and upward. The two ends of the lifting rod are hinged with the ends of the piston rods of the left and right lifting air cylinders. The pedal support plate is pressed against the lifting rod and is slidably matched with the lifting rod. The bottom end of the back plate is hinged with the rear side of the seat cushion plate. Each part is made of non-metallic material. A backrest is laid flat by rotation and a leg guard cushion is lifted up through the lifting air cylinders, so that the patient can lie flat on the transfer chair; and then a seat cushion, the backrest and the leg guard cushion are all lifted up by the lifting hydraulic cylinder, so that the patient can move from the transfer chair to the MRI bed simply by gently twisting the body.

The present invention provides an adjustable solar panel bracket with a simple structure, the angle matched with a solar panel light-receiving surface can be conveniently adjusted, the manufacturing cost is low, the installation is convenient, the adjustable solar panel bracket is suitable for field use, and the land occupation area is small. The adjustable solar panel bracket comprises a solar cell mounting plate and a fixing base for fixing a solar panel. The fixing base comprising vertical columns, and the lower ends of the vertical columns are fixedly connected to pickets. The vertical columns comprise a front vertical column arranged at a front side and a back vertical column arranged at a back side. The back side of the solar panel is connected to a connection back plate. The upper end of the front vertical column is hinged to one end of the connection back plate. The upper end of the back column is connected to a telescopic rod which is provided with a positioning screw hole. A positioning pin goes through the telescopic rod and is used for fixing the height of the telescopic rod. The front vertical column and the connection back plate are connected through a cylinder. Two ends of the cylinder are hinged to the front column and the connection back plate.

The invention discloses a soft linkage lumbar support. The soft linkage lumbar support is characterized by comprising a lumbar support plate mounted on a chair back and a base plate for mounting a seat cushion, wherein first fixed seats are arranged at the lower end of the lumbar support plate; the first fixed seats are mounted on the chair back, an idler wheel baffle is arranged at the upper endof a backrest plate, the idler wheel baffle is mounted on the chair back, idler wheels are rotatably installed at the upper end of the backrest plate, and the idler wheels are matched and slidably mounted on the idler wheel baffle; a steel sling is connected to the upper end of the lumbar support plate, the lumbar support plate is connected to one end of the steel sling, and a steel sling joint box is arranged at the other end of the steel sling; the steel sling joint box is fixedly mounted on the seat cushion, and a steel wire is arranged between the base plate and the steel sling joint box;and one end of the steel wire is fixed to the base plate, the other end of the steel wire penetrates into the steel sling joint box, and the end, penetrating into the steel sling joint box, of the steel sling is connected to the end, located in the steel sling joint box, of the steel wire. The soft linkage lumbar support can increase the comfort of waist of a human body and effectively relieve thefatigue of the waist.

The invention discloses a liquid-cooled photovoltaic cell junction box and a working method thereof. The junction box comprises an upper cover, a back plate, a wiring box, a liquid inlet pipe and a liquid outlet pipe. An upper cover is mounted on that back plate, and a wiring box is arrange on the back plate between the upper cover and the back plate; A liquid inlet pipe, a liquid outlet pipe anda liquid inlet pipe are respectively arrange on that upper and lower side of the upper cover, the liquid outlet pipe is a through hole on the upper cover, the liquid inlet pipe and the liquid outlet pipe penetrate the two side walls of the upper cover respectively; The upper cover comprises a wiring cover plate, a conductor cover plate and a conductor opening. A conductor cover plate is arranged below the wiring cover plate. The two conductor cover plates are respectively located at both ends of the wiring cover plate, and the conductor cover plate tilt towards the outside of the wiring coverplate. At that bottom side of the two conductor cover plate, two conductor openings are respectively arranged, and the conductor openings penetrate through the bottom side of the conductor cover plate; A liquid inlet pipe is arranged on the lead cover plate beside the lead opening; A liquid outlet pipe is arranged on that top side of the wiring cover plate. The invention has the characteristics ofsimple structure, fast installation, strong heat dissipation ability and low working temperature.

The invention discloses a power distribution cabinet convenient to transport, and the cabinet comprises a pedestal, an upper cover, a door plate, a left side plate, a back plate, and a right side plate. The four corners of the pedestal are respectively provided with installation holes, and the left side plate, the back plate and the right plate are respectively installed on a left frame, a back frame and a right frame in a detachable manner through screws. The left frame and the back frame are in hinged connection, and the back frame and the right frame are in hinged connection. One side of the door plate is detachably connected to the right frame in a rotating manner. The lower ends of the left and right frames are respectively inserted into the installation holes of the pedestal. The left side plate, the back plate and the right side plate are folded in a transportation process, thereby reducing the occupied space during transportation. The pedestal, the upper cover, the door plate,the left side plate, the back plate and the right side plate can be overlapped for transportation. During assembly, the employed screws and an installation beam for installing an electronic device inthe power distribution cabinet are placed in a storage groove, which is sealed through the cover plate so there is no loss in the transportation process.

The invention discloses a novel aluminum-composite-wood energy-saving door window system. The system comprises a window frame, a fan frame, a wooden press line and hollow glass. The window frame comprises a wooden window frame and an aluminum window frame. The fan frame comprises a wooden fan frame and an aluminum fan frame, the outdoor side frame wall of a lower edge frame of the aluminum window frame is provided with an inverted L-shaped extension portion, a gap is reversed between the inverted L-shaped extension portion and the outdoor side frame wall of the lower frame, a water outlet groove opening of the lower edge frame is blocked, and a leeboard is correspondingly arranged below the opening formed between the inverted L-shaped extension portion and the outdoor side frame wall of the lower frame. The outdoor side outer edge positions of an upper edge frame, a left edge frame and a right edge frame of the aluminum window frame are provided with notch strips, and frame buckle plates are arranged on the notch strip positions. According to the novel aluminum-composite-wood energy-saving door window system, the water outlet groove opening is blocked through the inverted L-shaped extension portion, the phenomena of unsmooth rainwater discharge and flow backward are solved, the inverted L-shaped extension portion blocks the water outlet groove opening in the lower edge frame, and hidden type water discharge is achieved; the gluing requirement is lowered due to the arranged frame buckle plates, and gluing and the related treatment are facilitated.