Abstract: The present invention provides a lighting head assembly that incorporates a high intensity LED package into an integral housing for further incorporation into other useful lighting devices. The present invention primarily includes two housing components, namely an inner mounting die and an outer enclosure. The inner and outer components cooperate to retain the LED package, provide electrical and control connections, provide integral heat sink capacity and includes an integrated reflector cup. In this manner, high intensity LED packages can be incorporated into lighting assemblies through the use of the present invention by simply installing the present invention into a housing and providing power connections thereto.

Abstract: A backlight illumination system for illuminating a large area with light of a uniform color has a set of a pre-determined number of light emitters arranged along a straight line. The set is divided in a plurality of subsets, each subset including at least two light emitters. Each subset comprises light emitters with substantially the same light-emission color point, the respective subsets having color points different from each other. As a first step, the light emitters of the subset with a smallest number of light emitters are assigned to respective substantially equidistant positions. The light emitters of the set are assigned to the respective positions by iteratively starting with the subset with the smallest number of light emitters, assigning the light emitters of the subset to substantially equidistant positions which are not yet occupied. The backlight illumination system according to the invention has a uniform light and color distribution.

Abstract: A lighting system capable of adjusting color temperature is provided. The lighting system mainly comprises a light source module and a mixing assembly. The light source module produces red-color, blue-color, and green-color lights so as to control the color temperature of a white light resulted from mixing the color lights. The mixing assembly is located at a side of the light source module and comprises a first, a second, and a third mixing device sequentially arranged along the light transmission path. The function of the first and third mixing devices is for light mixing by causing the lights to undergo multiple internal reflections. The second mixing device directs the lights passing through the first mixing device in a reverse direction (180 degrees) and enters into the third mixing device.

Abstract: A packaged light emitting device includes a frame, a cover, and a light emitting device. The light emitting device is disposed between the cover and the frame. A portion of the cover is flexible and a portion of the cover is rigid. The cover includes a flange and is attached to the frame by positioning the rigid portion of the cover to maintain the flange in a nest formed in the frame. In some embodiments, a stake is disposed over the sunken surface that forms the nest in the frame, and the cover is held in place by positioning the flange between the sunken surface and the stake. In some embodiments, the flange is the same material as the flexible portion and the rigid portion is a ring that extends into the flange.

Abstract: A luminaire has side reflectors having edges defining the width W of a light-emission window, and a plurality of lamellae, which have a concave outer edge in the light-emission window and an inner face remote from that window. In the centers of the lamellae, the lamellae have a distance ho between the outer edge and the inner face that is <0.1 W. As a result, the total surface area of the inner face is relatively small. Internal reflections are thereby reduced, and a higher light output is obtained. If the lamellae are solid and made of plastic, less material is required for their fabrication. In a preferred embodiment, ho<0.05 W, and the inner face may then be convex and even have the same contour as the outer edge. The lamellae louver has lamellae of ho<W, in which W is also the length of the lamellae.

Abstract: A light emitting apparatus (8) includes one or more light emitting chips (10) that are disposed on a printed circuit board (12) and emit light predominantly in a wavelength range between about 400 nanometers and about 470 nanometers. The printed circuit board includes: (i) an electrically insulating board (14); (ii) electrically conductive printed circuitry (20); and (iii) an electrically insulating solder mask (22) having vias (24) through which the one or more light emitting chips electrically contact the printed circuitry. The solder mask (22) has a reflectance of greater than 60% at least between about 400 nanometers and about 470 nanometers.

Abstract: In recent years, much attention has been paid to a projection type display apparatus using a plurality of light sources, as projection type video equipment capable of large screen display. However, in an optical system using a plurality of light sources, devices are designed so that uniform lighting can be provided assuming only the use of all the light sources. Thus, the uniformity of brightness within a display screen may be degraded if not all of the plurality of light sources are used. A light apparatus includes a plurality of lamp unit sections, a synthetic mirror section that reflects and synthesizes lights generated by all or some of the plurality of lamp unit sections and, and a synthetic mirror section adjusting mechanism that holds the synthetic mirror section so that its position can be changed so as to adjust the reflecting optical paths of the reflected lights.

Abstract: A frontal surface of a light transmitting member disposed in such a manner as to cover a light emitting element from a front side thereof is made up of an ellipsoid of revolution which adopts an optical axis as a center axis thereof and a point on the optical axis which is near the light emitting element as a rear primary focal point thereof. A central region of the light transmitting member positioned near the optical axis is made as a light emitting surface which causes light from the light emitting element to be emitted forward. A circumferential edge region of the light transmitting member positioned outer circumferentially of the central region is made as a light reflecting surface which internally reflects light from the light emitting element so as to be directed towards a secondary focal point of the ellipsoid of revolution.

Abstract: A candle has a wax or wax-simulating body with a top wall, a simulated burnt wick, a cylindrical side wall, and an interior candle cavity. A partly transparent housing with top and side walls together defining a housing cavity, is located in the candle cavity. An annular, transparent flange extends upwardly to a lower surface of the top wall of the body. An illumination assembly connected to the housing, extends into the housing cavity and includes an LED, a circuit for powering the LED and a battery compartment or other power source for powering the circuit. The lamp is spaced from the top wall of the housing and positioned for casting light through the top wall of the housing, into a light directing space defined by the flange, and to the top wall of the candle body.

Abstract: A lighting device for a vehicle includes multiple light emitting devices. Each light emitting device is constructed of a light emitting diode as a light source and a light guide lens for guiding light emitted from the light emitting diode. The light emitting devices are formed in convex light emitting devices and fan-shaped light emitting devices. The convex devices and the fan-shaped devices have different light distribution characteristics. Therefore, light distribution areas and intensity of the lighting device are more flexibly adjusted than other lighting devices using light emitting diodes as light source.

Abstract: A light beam adjusting device includes a housing having a reflector, a light device disposed within the reflector for generating light which may be partially reflected upwardly and partially reflected downwardly by the reflector. The light reflected downwardly by the reflector is allowed to emit out through the housing. A panel is disposed in the lower portion of the housing, and an actuating device may move the panel to selectively open and block the lower portion of the housing, and to selectively open and block the light reflected upwardly by the reflector. The light reflected upwardly by the reflector may form a high beam together with the light reflected downwardly by the reflector when the lower portion of the housing is not blocked by the panel.

Abstract: A vehicular lamp including a translucent member 14 and a light-emitting element 12 with its front being covered by the translucent member 14; a plurality of lens elements 14s1 and 14s2 being formed on the front surface 14b of the translucent member 14 so that the lens elements are located on a hemispherical surface which is centered upon the light-emitting element 12 and serves as a reference plane B. The front surface 14b of the translucent member 14 is divided in a radial pattern to form a plurality of fan-shaped zones SA and SB, which are further divided into concentric circular shapes to form a plurality of fan-shaped zone bands SA1, SA2, SA3 and SA4, and SB1, SB2 and SB3, respectively, which are provided with the lens elements 14s1 and 14s2 therein.

Abstract: An optical module for an automobile lighting device adapted to selectively emit a principal light beam generated from a principal light source for performing a principal lighting function and a secondary light beam generated from a secondary light source for performing a secondary lighting function. The optical module having a fixed or retractable shield for providing a principal lighting function such as a main beam with or without a cut-off. The optical module further including a retractable reflecting mirror movable from a retracted position, where the mirror does not substantially interfere with the principal light beam, to a working position in which the reflecting mirror is substantially centered on the optical axis of the optical module and oriented so as to give, from light rays issuing from the secondary source, a secondary beam constituting the secondary lighting function.

Abstract: A projector type vehicle headlamp comprises a reflector, a light source, a projection lens, a rotational shade to shield part of light reflected on the reflector so as to be directed towards the projection lens and a motor for driving the rotational shade based on a light distribution switching over operation. In the headlamp, a high beam corresponding light shielding plate and an another beam corresponding light shielding plates are disposed on the rotational shade on both sides of a low beam corresponding light shielding plate, so that the light distributions are attempted to be switched over speedily between the low beam and the another beams and the generation of glare is attempted to be prevented.

Abstract: A plurality of lamp piece units constituting light sources by semiconductor light emitting elements are used as a first lamp piece unit which is lighted in a low beam mode. Additionally, a single lamp piece unit constituting a light source by an electric discharge bulb color temperature of emitted light of which is as high as that of the semiconductor light emitting element, is used as a second lamp piece unit, which is additionally lighted in a high beam mode. When the beam is switched from the low beam to the high beam, pale irradiated light from the first lamp piece unit is added with pale irradiated light from the second lamp piece unit to thereby provide an impression for the driver and/or passenger of unity in colors between the two lamp piece units.

Abstract: A projector type vehicle light includes: a light source provided close to the primary focusing point of a concave mirror; and a convex lens, wherein the light source comprises a group of LEDs; each of the LED is located in each of a small concave mirror in a small reflector which has an ellipsoidal surface of rotation or a free surface as a part of the ellipsoidal surface of rotation provided on the inner surface thereof; the convex lens comprises a group of small convex lenses provided to cover the front opening of the small reflectors respectively; each of the LED is located close to the primary focusing point of a small concave mirror in a small reflector and faces at its emitter side to the small concave mirror; and a shade comes close to the secondary focusing point of the small concave mirror and assembled together with the small convex lens and the LED, whereby each of the small projector type lamps in the array is completed.

Abstract: The present invention relates to an apparatus and method of perforating the cover layer or soft skin of an automotive trim panel such as an instrument panel with a laser to allow light to bleed through the perforations. The light source would preferably be a low heat generating or “cool” type source such as an LED. The light source would be attached to a suitable substrate or incorporated in to a flexible printed circuit and coupled to the vehicle electrical system. This method would enable fill switch integration to a trim panel and provide a seamless styling opportunity regarding the electrical controls. This method would help reduce cost and weight, improve quality, and promote new seamless styling theme.

Abstract: The invention relates to a lighting unit with at least one light source and at least one optical waveguide following the light source, said waveguide having at least one light transmitting surface. To this end, the lighting unit has at least one reflector. In addition, at least one light transmitting surface of the optical waveguide faces the reflector. A lighting unit with an optical waveguide which has a large illuminated area and requires only a small space is provided.

Abstract: A planar light source device includes a primary light source (1), a light guide (3) which leads the light emitted from the primary light source (1), and having a light incident face (31) to which the light emitted from the primary light source (1) comes in, and a light emitting face from which the led light goes out, a light deflection element (4) arranged adjacent to the light emitting face (33) of the light guide (3), and a polarization separation element (6) disposed on the side of a light outgoing surface (42) of the light deflection element (4), and having a function of transmitting one of polarization components of the incident light and reflecting the other of the polarization components. The full width at half maximum of the luminance distribution of the incident light upon the polarization separation element (6) in an XY plane parallel to the travel direction of the light in the light guide (3) is 25° or less. The reference symbol 7 indicates a liquid crystal display element.

Abstract: The present invention provides a light emitting module, comprising: a plurality of thin plate-shaped conductors (2) spaced apart from each other in a first direction; at least one light source (4) connected between at least one pair of adjoining ones of said conductors; and at least one insulating joint member (4) for mechanically joining said plurality of conductors, wherein said at least one insulating joint member exposes both sides of at least a portion of said conductors where said light source is mounted.

Abstract: To mix powder and liquid components evenly, a kneader comprises a rotating plate rotated around a driving axis; a bearing for a capsule housing body mounted near a circumference part of the plate, wherein an axis supported with the bearing is rotatable only in a reverse direction to a rotating direction of the plate; a capsule housing body fixed at a capsule housing body supporting axis in parallel to the driving axis and supported with the bearing; a balance weight fixed at a predetermined position of the plate approximately opposite to the body beyond the driving axis; and a mechanism for circularly moving an axis for keeping the direction of the body in the same direction as the rotating direction of the plate along a circle having the same diameter as but the different center from those of the body supporting axis.

Abstract: In a temperature sensor for an engine, abutting surfaces of two parts that form a compartment for a temperature sensing element of the sensor is interposed with a sealing material being compressed by an raised portion on one of the abutting surfaces to the other surface. Because the sealing material is in contact circularly with both of the two surfaces, that is, one between two concentric raised portions on one of the abutting surfaces and the other that confronts the former surface, a seal for the temperature sensing element can be kept for a long period of time even when the raised portions have a scratch.

Abstract: A fluid connection assembly is provided for use with x-ray devices. The fluid connection assembly includes an adapter block configured to be attached about an opening in a housing of an x-ray device. The adapter block defines a fluid port and a cylinder in fluid communication with each other. In addition, the fluid connection assembly includes a flow adapter received in a passageway collectively defined by the cylinder of the adapter block and the opening in the housing wall. The flow adapter defines a fluid passageway configured for communication with the fluid port and the interior of the housing of the x-ray device. A sealing element is interposed between the flow adapter and the housing wall. Finally, a resilient element disposed within the cylinder of the adapter block proximate the flow adapter biases the flow adapter into contact with a shield structure inside the housing.

Abstract: Systems and methods for cooling electronic components that are rotatable about an axis are provided. The system includes a stationary portion, a rotatable portion, and a component cooling system. The stationary portion has a bore there through. The rotatable portion is rotatably coupled to the stationary portion. The rotatable portion includes an imaging detector and an associated electronic component. The component cooling system is positioned at least partially within the stationary portion and configured to channel a curtain of conditioned air to the electronic component.

Abstract: A fluid bearing device capable of preventing a lubricant from scattering outward even during rotation thereof, while holding a relatively large amount of lubricant at a seal surface portion. A lubricant is filled between a sleeve and a shaft, a seal surface portion is formed on the sleeve in a location facing an open end thereof, the seal surface portion has a sectional shape defined by a plurality of inclined surfaces, and an inclination angle ? of the inclined surface of the seal surface portion adjacent a radial bearing portion with respect to a shaft axis is formed to be larger than an inclination angle ? of the inclined surface of the seal surface portion distant away from the radial bearing portion with respect to the shaft axis.

Abstract: A hydrodynamic bearing device comprises a shaft bush having a substantially conical inclined dynamic pressure surface around the outer circumference thereof which is relatively rotatably inserted in a bearing sleeve having a substantially conical inclined dynamic pressure surface around the inner circumference thereof. A substantially conical inclined bearing space is created in the gap between the inclined dynamic pressure surfaces of the bearing sleeve and shaft bush. Lubricant fluid is filled inside the inclined bearing space. A proper dynamic pressure generating means is formed on at least one of the inclined dynamic pressure surfaces of the shaft bush and bearing sleeve. The lubricant fluid is pressurized by the dynamic pressure generating means to generate dynamic pressure, by which the shaft bush and the bearing sleeve are relatively elevated in the radial and thrust directions so that their rotations are supported in a non-contact manner.

Abstract: A fiber optic connector including a ferrule surrounding an optical fiber and a hub engaging the ferrule. The hub includes a front portion having first and second surfaces and first and second tapered contact regions extending from the first and second surfaces to a front face. A housing includes an anti-rotation seat including first and second angled contact surfaces positioned at a front of the anti-rotation seat. A spring within a chamber of the housing biases the ferrule through a bore in the front of the housing. The first tapered contact region of the hub engages the first contact surface, and the second tapered contact region engages the second contact surface when the hub and ferrule are in a first rotational position so that the optical fiber is maintained at a known orientation. The tapered contact regions are planar surfaces sized smaller than the angled contact surfaces.

Abstract: A method of aligning an optical fiber to a laser diode obtains first light from the laser at a point designated as the center of a planar geometric shape. Data points are taken at the vertices of the shape, whereby a scan measures alignment quality at each of the vertices and the center. The scan begins by obtaining data at the center and moves to a vertex and the remaining vertices in either a clockwise or counterclockwise fashion. Alignment qualities are compared and the location of highest alignment quality is designated as a new center. The scan repeats until the location of the new center remains unchanged, whereby the new center becomes the point of alignment. Alternately, the scan iteration may repeat with increased resolution by reducing the size of the geometric shape and/or increasing the power from the laser until a point of alignment is found at highest resolution.

Abstract: The present invention provides an optical module having a pluggable configuration, which enables to latch with the cage when the optical connector is mated with the receptacle. The optical module of the present invention is secured in the cage by latching the latch of the cage and the projection of the module. The actuator of the module, having a slab protruding into the optical receptacle, is able to slide along the direction the module is inserted into the cage. When the optical connector is in the optical receptacle, the slab of the actuator butts the optical connector and is prohibited to slide, accordingly, the optical module can not released from the cage.

Abstract: An optoelectronic package includes an insulating base and an optoelectronic device mounted on the upper surface of the insulating base. A metal layer is attached to the upper surface of the insulating base, and a metal cap is attached to the metal layer to hermetically seal the metal cap to the insulating base. In one embodiment, the metal cap is projection welded to the metal layer.

Abstract: A printer cartridge suitable for use in a cartridge-based printer houses and dispenses a roll of label media, and includes a housing having a top wall and a bottom wall. A yoke pivotally mounted between the top and bottom walls for pivotable movement about a pivot axis includes a label media supply shaft for holding a roll of label media. The label media supply shaft has a longitudinal axis spaced from, and parallel to, the pivot axis. A label media drive roller is rotatably mounted between the top and bottom walls, and a biasing means biases the yoke toward the label media drive roller to maintain the roll of label media in contact with the label media drive roller. Ratchet teeth fixed relative to at least one of the housing and yoke engage structure of the other of the housing and the yoke to prevent the yoke from pivoting away from the label media drive roller.

Abstract: A print engine for a pagewidth inkjet printer includes a chassis. A pair of opposed printhead assemblies are mounted on the chassis to carry out a double-sided printing operation on a sheet of media interposed between the printhead assemblies. A pair of opposed feed rollers are mounted on the chassis and positioned upstream of the printhead assemblies to feed media between the printhead assemblies. Each printhead assembly includes at least one elongate ink distribution structure. A printhead chip is mounted on a free end of the, or each, ink distribution structure such that printhead chips on opposite ink distribution structures are aligned. The ink distribution structures are shaped so that a distance from at least one pair of aligned printhead chips to a point of contact between the rollers is less than a radius of the rollers.

Abstract: A media path control device has two sets of parallel arms with opposing rollers to manipulate the movement of print media. The arms are moveable in a substantially vertical plane through motors. The arms can be of different lengths to establish an optimal trajectory or height of the media to change the trajectory or travel path of the media. The rollers are reversible to change the trajectory or travel path of the media. Rotation of the arms may be stopped at various points along their travel arc to position the media at a desired or plane.

Abstract: A solution applicator includes a container, a head and a cap. The head includes a top portion for use in applying the solution, a spike member which is used to pierce or open a membrane and at least one protrusion extending from the head. The cap includes a top portion that receives the spike member, a bottom portion that connects to the container and a middle portion that defines a circumferential channel and an axial channel. The protrusion is received within the circumferential channel and the axial channel such that the head can be moved relative to the cap in first a rotational motion and then an axial motion to open the solution container.

Abstract: A user-friendly extruding container of applying filler is structured such that, when an operating tube 3 and a main body tube 2 are relatively rotated in one direction, a movable body 6 moves forward by an engagement portion constituted by a female thread 4c and a male thread 6b and the rotation preventing portion constituted by an engagement portion 6e of the movable body 6 and an engagement portion 3d of the operating tube 3 to extrude applying filler for application with giving click feeling by the click mechanism 11 constituted by a tubular click spring member with the click tooth 12a and the compression spring portion 12b between the tubular body 4 and the operating tube 3 and, when rotated in the reverse direction, the movable body 6 moves backward with giving click feeling, whereby a user can perceive forward movement and returning of the movable body 6.

Abstract: A twist up pen type dispenser comprising a brush applicator that is capable of receiving material from a reservoir.

Abstract: A notebook cover assembly with ergonomic support for providing ergonomic support to the wrist of a user. The notebook cover assembly with ergonomic support includes a cover member having a first portion pivotally coupled to a second portion, and designed for receiving a notebook; and a wrist support member operationally coupled to the cover member for providing support for a wrist of a user writing on the notebook.

Abstract: A retaining device is designed to retain a portion of an assembly device. The portion of the assembly device is released during failure of the assembly device. The retaining device includes a fixed part, a mobile part capable of sliding with respect to the fixed part, a housing, formed with both the fixed part and the mobile part, a return device, which can be compressed during a parts assembly operation. The return device can be relaxed when the assembly device fails, which causes sliding of the mobile part with respect to the fixed part, such that the portion of the assembly device is retained in the housing.

Abstract: An adjustable torque rod comprising includes an adjusting sleeve, a housing and a rod. The adjusting sleeve includes a center surface, a first end and a second end. The housing has a receiving end that is rotatably connected to the second end of said adjusting sleeve. An attachment end of the housing, opposite the receiving end, includes a bushing for use in connecting the housing to a vehicle. A clamp is positioned proximate the receiving end for fixing the adjusting sleeve into a position in the receiving end of the housing. The rod has an adjustment end and a mounting end. The adjustment end is rotatably connected to the first end of the adjusting sleeve. The mounting end, opposite the adjustment end, includes a bushing for use in connecting the rod to a vehicle. The torque rod is extended and retracted by rotation of the adjusting sleeve.

Abstract: A device for stopping a moving vehicle is provided. The device consists of a strip containing a plurality of spikes which are attached to a common cable. When a vehicle rolls over the strip, the spikes pierce the vehicle's tire and expand inside the tire, causing the spikes to become securely lodged inside. The forward motion of the vehicle pulls the attached cable forward, causing the cable to entwine the axle of the vehicle's wheel. The spinning of the wheels causes the cable to become taut, which in turn causes the vehicle to skid to a stop.

Abstract: A method and a device for safely and efficiently adjusting the height of a manhole freely allowing the addition and removal of a height adjusting member at any position. The method and device may be used for the manhole formed by installing a tubular shaped frame in the ground, installing the removable height adjustment members on the tubular shaped frame, and installing a cover receiving frame on the height adjusting members. In this method and device, a frame is disposed in the upper space of the manhole; the cover receiving frame is raised by the height adjusting member installed on the frame; and the height adjusting members positioned under the cover receiving frame in that state are added or removed.

Abstract: A conventional sewer grate has a locking mechanism for preventing removal of the grate from its mounting frame by unauthorized persons. The locking mechanism includes a grate hold-down device, a threaded nut attached to the mounting frame below the hold-down device, and a bolt extending downwardly through the hold-down device into threaded engagement with the nut. The head of the bolt is specially constructed so that a specially-formed wrench is required to unscrew the bolt from the nut.

Abstract: A manhole access way security apparatus and method for using the security apparatus are disclosed. The security apparatus includes an insert, at least one locking pin and a locking mechanism each interconnected to allow users to easily and quickly install a security barrier under a manhole, handhole or vault, and thereby prevent authorized access through the manhole, handhole or vault. The apparatus uses an insert that may either sit on the existing manhole frame rim under the manhole cover, or if there is insufficient clearance on the manhole frame rim, brackets may be installed under the manhole frame upon which the insert rests. In either configuration, the insert is secured in place under the manhole cover by one or more locking pins that extend radially through the insert and are then locked to the insert.

Abstract: A sleeve assembly system, a concrete dowel slab joint system, a method for maintaining adjacent sections of concrete in alignment during contraction and expansion of the concrete and for transferring shear stresses and bending moments across a joint formed between adjacent concrete slabs, and a concrete slab including a plurality of concrete dowel slab joint systems are provided. The concrete dowel slab joint system comprises the sleeve assembly for receiving and maintaining the dowel bar therewithin. The sleeve assembly is designed so that the dowel bar does not transmit substantial shear stresses to the concrete during the contraction and expansion of the concrete. A pair of bracket members, located on an underlying surface, support the sleeve assembly and the dowel bar above the underlying surface.

Abstract: An improved asphalt patching machine which is mountable to a motor vehicle having a supply of asphalt patch material thereon. The patching machine comprises a dispensing and finishing assembly fed by a multi-part, articulatable conveyor which feeds asphalt patching material to the dispensing and finishing assembly, which is movable in substantially the plane of the roadway, to position the dispensing and finishing assembly over the effected area to be patched. The machine first deposits patching material in the effected area and, thereafter, from the dispensing and finishing assembly, integrates the patch into the existing surrounding roadway.

Abstract: A vibratory concrete screed includes a vibration isolation system that minimizes the transmission of vibrations to the operator under normal operating conditions, but becomes more rigid during screed control forces applied to the blade through the isolation system when the operator applies greater forces to the operator handle. The system includes low durometer elastomer vibration isolators isolating the operator handle from the vibration exciter and screed blade in a manner that limits vertical compressive movement of the isolators, yet permits substantially greater horizontal shear movement to effectively isolate the operator from vibration. The isolator mounting arrangement also includes retainers that engage the isolator to limit the amplitude of horizontal shear movement when the operator applies a greater control force to the operator handle.

Abstract: A subsurface drainage assembly for directing fluid drainage from a surface is disclosed. The subsurface drainage assembly includes a plurality of drain structure panels linked together in a manner that permits movement of one drain structure panel relative to the adjacent drain structure panel. The drain structure panels have a laterally extensive backing grid and a plurality of spaced apart tubular support members projecting therefrom.

Abstract: Diving aid for divers, at least comprising a power supply, alarm sound-generating means (3) and activating means (2) for activating the sound-generating means (3), which activating means (2) are designed in such a way that when the alarm device is in use said activating means can be activated by an uncontrolled shock load, and that the device comprises means (6) for attaching to the divers's body or the divers's equipment in an unmistakable orientation. The diving aid according to the invention is preferably designed in the form to a wristwatch.

Abstract: A construction process for the composite pile foundation which consists of the expanded belled base and the pile shaft, the construction process comprising the steps of: a) Aligning the pile tip at the pile location and place the casing at the top of the pile tip; b) Lifting the heavy hammer to enter the casing, repeatedly lift the heavy hammer to reach the given height and back press the casing, let it fall freely to ram the pile tip and the soil until a hole forms at the pile location; c) Lifting the heavy hammer higher than the feed inlet of the casing and fill solid material from the inlet into the casing; d) Ramming the above-mentioned solid material and repeat the filling and ramming operations; e) Controlling the penetration of the last three blows; f) Filling graded aggregate or stiff consistency concrete and repeatedly ram it to form the expanded belled base; g) pull out the casing; h) Aligning the pile shaft at the pile hole and repeatedly back press and blow slightly with the heavy hammer to drive

Abstract: A prop head bearing between the roof bar and the prop (4) of a shield-type support frame, comprising a ball-joint socket (3) on the roof bar and open towards the prop for receiving a ball-joint head (2) on the prop (4), with at least one movable securing element (6, 7) which, when in a secured position, engages in a recess (12, 13) in the joint head (2) to prevent accidental lifting of the joint head (2) out of the socket (3), and with a bolt which locks the securing element (6, 7) in the secured position, in which that the securing element is in the form of a securing pin (6, 7) movable along its longitudinal axis between the secured position and an assembly position, wherein the securing pin (6, 7) is lockable by the bolt (14, 19) in the assembly position, in which it does not engage in the recess (12, 13) in the joint head (2).