Abstract: A display unit capable of reducing luminance irregularity when using a point light source is provided. The display unit includes: a panel driven based on an image signal; a plurality of point light sources arranged in a region facing the panel; and an optical sheet arranged between the panel and the plurality of point light sources. The plurality of point light sources are arranged in a first direction and also in a second direction intersecting with the first direction, and the optical sheet has a tridimensional configuration that includes a first ridgeline extending in a third direction intersecting with the first and second directions, and a second ridgeline extending in a direction intersecting with the first, second and third directions.

Abstract: A fog lamp may include a Lambertian LED, a collimating lens encompassing the Lambertian LED, a collimating surface including a total internal reflective surface and encompassing the collimating lens, and a corrugated surface attached to the collimating surface at an acute angle with respect to an optic axis of the corrugated surface.

Abstract: A backlight unit includes a bottom cover having a bottom surface and side surfaces, a plurality of light emitting diodes installed within the bottom cover for emitting a plurality of lights, a reflection plate within the bottom cover, the reflection plate having a variety of angles for mixing the plurality of lights into a white light, and a diffusion plate attached to the bottom cover for diffusing the white light.

Abstract: The present invention relates to a pointless illumination device, comprising: a body; a cover, made of a light spreading material which can uniformly spread out the light of a plurality of light emitting devices; a light source module; a first contact portion; and a second contact portion. The light emitted from the light source module is uniformly spread through the cover so that the phenomenon of pointwise illumination does not exist in the illumination device.

Abstract: According to a lighting fixture of an aspect of the present invention, only by holding the first and second strip-shaped luminous bodies on the strip-shaped luminous body holding device with the first and second strip-shaped luminous bodies being curved into a predetermined shape, the plurality of point light sources of the first strip-shaped luminous body and the plurality of point light sources of the second strip-shaped luminous body can be mounted at predetermined positions in appropriate postures (for example, such positions and postures as to illuminate a predetermined area of the front of the lighting fixture) at once. That is, each of the point light sources can be stereoscopically disposed at a predetermined position in an appropriate posture in a most expeditious manner. Also, the lighting fixture of novel visual quality capable of producing a stereoscopic effect by the real image can be provided.

Abstract: The invention relates to a method for enabling transmission of substantially equal amounts of energy from at least one light source (LS) comprising intensity variations in time to at least two light sensitive points (LSP), said transmission being controlled by means of at least one illumination arrangement (1), and said method comprising establishment of a correlation between said intensity variations and at least one feature of said illumination arrangement. The invention furthermore relates to an illumination arrangement (1) for controlling transmission of energy to at least two light sensitive points (LSP), wherein said controlling transmission enables transmission of substantially equal amounts of energy to each of said at least two light sensitive points (LSP).

Abstract: An LED illumination device includes an optical section at a front end thereof, an electrical section at a rear end thereof, and a heat dissipation section between the optical section and the electrical section. The optical section includes an LED electrically connecting with the electrical section, and a light output housing around the LED. The heat dissipation section includes a U-shaped heat pipe, a heat sink and a mounting seat. The heat pipe includes an evaporation section and two condensation sections extending backwardly from two opposite ends of the evaporation section, respectively. The condensation sections are inserted into the heat sink. The mounting seat bestrides on the evaporation section. The LED thermally connects with evaporation section via the mounting seat.

Abstract: A lamp (6) includes a housing (5) mounted to a lamp post (4) and a light-emitting diode module (10) mounted in the housing (5). The light-emitting diode module (10) includes a metal substrate (21) and a plurality of light-emitting diode dies (221) mounted on a face (211) of the metal substrate (21). A jacket (11) has a coupling surface (112) engaged with the other face (212) of the metal substrate (21). A heat conduction pipe (12) includes a portion (123) received in a longitudinal hole (111) of the jacket (11). The coupling surface (112) of the jacket (11) has an opening (114) in communication with the longitudinal hole (111). A portion of an outer periphery (124) of the portion (123) of the heat conduction pipe (12) is in direct, thermal contact with the other face (212) of the metal substrate (21) through the opening (114) of the jacket (11) to absorb heat generated by the light-emitting diode dies (221).

Abstract: A light integrator is provided, the light integrator comprising a body for integrating light, the body having a length and a light egress end. The light integrator further comprises a first light entrance device for accepting light from a first lamp into the body, the first light entrance device comprising a first light entrance face, the first light entrance device located distal the light egress end. The light integrator further comprises a second light entrance device for accepting light from a second lamp, the second light entrance device comprising a second light entrance face, the second light entrance device laterally displaced from the first light entrance device in a direction generally perpendicular to the first light entrance face, such that light from the first and second lamps independently enter the integrator via the first and second light entrance devices respectively, and exit the light egress end.

Abstract: The present invention discloses an aspherical LED angular optical lens for central distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on an project side. The LED assembly comprising the optical lens can accumulate light emitted from the LED die and generate a peak intensity of the central angular circle distribution pattern which is greater than 72° and smaller than 108°. The present invention only uses a single optical lens capable of accumulating light and forming a required distribution pattern to satisfy the requirement of a luminous flux ratio greater than 85% and the requirement of an illumination, a flash light of a cell phone or a flash light of a camera.

Abstract: A tower includes a base configured to sit upon a surface. A light source is coupled to the base and is positioned a first horizontal distance from a center of the base. The light source is configured to produce light therefrom when energized. The tower includes a cylindrical outer body that is coupled to and positioned a second distance from the center of the base, wherein the second distance is greater than the first distance. The outer body is oriented to extend vertically from the surface and is configured to allow light from the light source to pass therethrough. A plurality of leaves are coupled to an outer surface of the outer body and are configured to hang therefrom. The leaves are configured to freely move with respect to the outer body when air flow is applied thereto, wherein light from the light source is viewable through the outer body when the leaves move.

Abstract: An actuator system for a lighting system includes a shape memory alloy coupled to a component of the lighting system to control an actuation of the component and thereby produce a plurality of light patterns and an electrical control circuit in electrical communication with the shape memory alloy to selectively provide an electrical current to the shape memory alloy for controlling a physical property of the shape memory alloy and thereby the motion of the component of the lighting system.

Abstract: An illuminating device includes a circuit board, a light source, and a thermoelectric cooler. The circuit board has a first surface and a second surface at an opposite side of the circuit board to the first surface. The light source is electrically mounted on the first surface of the circuit board. The thermoelectric cooler is attached on the second surface of the circuit board.

Abstract: A light source device includes a first heat dissipation structure, an LED module, a heat energy convertor and a fan. The first heat dissipation structure includes a heat dissipation base, a first fin group attached on a top surface of the heat dissipation base. The LED module is attached on a bottom surface of the heat dissipation base of the first heat dissipation structure. The heat energy convertor is thermally connected to the heat dissipation base of the first heat dissipation structure through heat pipes, and configured for changing heat energy generated by the LED module into kinetic energy. The fan is disposed over the first fin group and driven by the heat energy convertor.

Abstract: A lighted bottle cap apparatus replaces a conventional threaded bottle cap to provide an entertaining light display externally of the bottle and also through the liquid contained within the bottle. The cap apparatus incorporates a battery powered lighting device that utilizes LED's to direct light energy into and away from the bottle. An optional advertising display can be formed as part of the cap apparatus to be illuminated from the lighting device. An alternative embodiment provides a central opening through the cap apparatus to allow the liquid within the bottle to be dispensed therethrough. The lighting device is oriented to direct light energy into the discharged liquid. An adaptor incorporating a translucent panel allows the standard cap apparatus to be connected to multiple bottle configurations. The adaptor has first and second sets of threads separated by the translucent panel to seal the lighting device from the liquid in the bottle.

Abstract: The attachment for a vehicle and the method for providing the attachment to the vehicle includes mounting a housing on the outside of the vehicle. The housing includes a back attachable to the vehicle, a compartment within the housing, and a lens visible from outside the vehicle. At least one or more lights is contained within the compartment between the lens and the outside of the compartment. The lens is opaque when the lights are turned off so as to conceal the lights within the compartment and the lens is visible from outside the vehicle when the lights are turned on.

Abstract: A lighting device, comprising at least one solid state light emitter and one (or more) optical device(s) which (each) comprises at least first, second and third optical structures, first and second surfaces of the second structure being in contact with a surface of the first structure and a surface of the third structure, respectively. The third structure has at least one optical feature. The light emitter is positioned, the optical feature is positioned, and the regions of the structures have indices of refraction, such that if the light emitter is illuminated, at least a portion of the emitted light will enter into the second optical device structure and exit from the optical feature on the third structure. Also, a method of lighting comprising illuminating a light emitter in such a device.

Abstract: A light guide plate includes a light input surface, a light output surface adjoining the light input surface, and a reflecting surface opposite the light output surface. One of the light output surface and the reflecting surface defines a plurality of scattering microstructures. Each scattering microstructure includes a spherical protrusion having a substantially spherical surface, and a substantially ring-shaped groove defined around a periphery of the spherical protrusion. At least half of the spherical surface is as smooth as a mirror. A method for manufacturing the light guide plate and a backlight module using the light guide plate are also provided.

Abstract: A wireless communication device includes a plurality of light sources and a light guide including a light guiding element and a light shielding element. The light guiding element includes a plurality of guiding portions. Each guiding portion includes an expander having a first end corresponding to a respective one of the light sources and a second end opposite to the first end. The second ends of the expanders collectively form a continuous end surface. At least one cavity is defined between each two neighboring guiding portions. The light shielding element includes at least one shielding portion received in the at least one cavity to prevent light interference between the plurality of guiding portions.

Abstract: A planar illumination device includes at least one light source, a housing structure, at least one light guide plate, and at least one light exiting surface. The at least one light source is received in the housing structure. The housing structure includes at least one light emitting surface through which the light emitted from the at least one light source exits the at least one housing. The at least one light guide plate includes at least one light incidence surface through which the light enters into the at least one light guide plate, and contacts with the at least one light emitting surface. The light exits the at least one light guide plate through the at least one light exiting surface. The at least one light exiting surface includes a plurality of continuously connected bulge points formed thereon.

Abstract: A plastic frame includes a main body and a protruding portion protruding from the main body. The main body has a first horizontal surface, a second horizontal surface, a first recess and a second recess, wherein the first horizontal surface is opposite to the second horizontal surface. The protruding portion has a first vertical surface and a second vertical surface, wherein the first vertical surface is opposite to the second vertical surface. The first recess connects the first vertical surface and the first horizontal surface and the second recess connects the second vertical surface and the second horizontal surface.

Abstract: A clay kneader has a drum having a pressure raising section on a supply opening side, an extrusion section having an inner diameter smaller than that of the pressure raising section on side of an extrusion opening for extruding clay as a columnar article, and a flow controlling section located between the pressure raising section and the extrusion section and being equipped with a supply opening for clay, a screw having a rotary shaft having a diameter which gradually decreases toward the extrusion opening in the flow controlling section and being ended around a boundary between the flow controlling section and the extrusion section, and a helical rotating blade provided along the rotary shaft for kneading the clay a rotary shaft.

Abstract: A rod mixer comprising a motor which is used to drive a processing worktool, and which is in contact with an electric circuit board which comprises at least one electric component which is used to control the motor. Said component can be modified by an associated, hand-operated actuator. The circuit board is introduced into a holder which comprises at least one bearing point, wherein the actuator is guided. The aim of the invention is to simplify mounting of the rod mixer such that the at least one actuator is premounted on the holder.

Abstract: A mixing system comprising a bowl, mixing element and motor. A mixing element is located within the bowl and is driven by a motor to impart mechanical energy to the foodstuff being mixed upon contact. A method for increasing the power to the motor comprises introducing additional current in advance of instantaneous loading.

Abstract: This invention provides an ultrasonic phantom that can respond to different ultrasonic intensities. Such ultrasonic phantom comprises a gel comprising a low-boiling compound in the form of droplets sealed therein. The invention also provides an assay technique using such phantom. This invention enables regulation of components of droplets, droplet size, and the ultrasonic intensity at which droplets are vaporized upon mixing of droplets with different sizes. This enables visualization of whether or not ultrasound beams that exceed relevant different ultrasonic intensities have been applied.

Abstract: The present invention provides a dual-probe thermally compensated fluorescence decay rate temperature sensor capable of measuring the true temperature of a sample surface and its associated method of use.

Abstract: A shoulder joint is provided. The shoulder joint includes a main support; a fold-out arm including an upper arm and a lower arm, the upper arm operable to pivot about a pin and the lower arm operable to pivot on a spindle on one end of the upper arm; and a first wheel attached to the pin, and a second wheel attached to the spindle. The upper arm and the lower arm are mechanically linked via the two wheels in such a way that rotation of the upper arm about the pin cause rotation of the second wheel and the lower arm relative to the upper arm, resulting in a bending or straightening of the arm.

Abstract: An X-ray device for irradiating a beam of X-rays on an object to capture an X-ray image of the object is smaller in size and weight than conventional ones. The X-ray device includes an X-ray tube for generating the beam of X-rays and irradiating the beam of X-rays on the object, a shutter arranged around an X-ray irradiation axis for regulating an X-ray irradiation region on which the beam of X-rays is irradiated through the object, and a visual indicator unit arranged on the shutter for movement together with the shutter, the visual indicator unit being designed to visually indicate the X-ray irradiation region. In the X-ray device, the X-ray irradiation region is visually indicated by laser light without having to use a lamp otherwise provided between the X-ray tube and the shutter.

Abstract: A method and a system for calibrating an X-ray photoelectron spectroscopy (XPS) measurement are described. The method includes using an X-ray beam to generate an XPS signal from a sample and normalizing the XPS signal with a measured or estimated flux of the X-ray beam. The system includes an X-ray source for generating an X-ray beam and a sample holder for positioning a sample in a pathway of the X-ray beam. A detector is included for collecting an XPS signal generated by bombarding the sample with the X-ray beam. Also included are a flux detector for determining a measured or estimated flux of the X-ray beam and a computing system for normalizing the XPS signal with the measured or estimated flux of the X-ray beam.

Abstract: A zipper tape includes a pair of a male member and a female member including engagement portions and belt-like bases, continued to the engagement portions. The belt-like base includes a seal base defined by widening the belt-like base a larger width from the engagement portions to a crosswise end of the belt-like base than that of the belt-like base. A bond layer and an easy-peel layer are layered on a surface of the seal base in side of the engagement portion and heat-fused to a bag body. The seal base is formed of polypropylene. The bond layer is formed of a mixture of polypropylene and low density polyethylene. The easy-peel layer is formed of a mixture of low density polyethylene and polypropylene. A ratio of polypropylene in the easy-peel layer is smaller than a ratio of polypropylene in the bond layer.

Abstract: A linear guide, which has a guide carriage that is mounted in a longitudinally moveable manner on a guide rail and to which an additional component, for example a measuring head, can be fastened by a fastening device. The fastening device has a pin which is fastened to the guide carriage at the end side. The pin has a fastening section to which the additional component can be fastened, that projects from the guiding carriage at the end side.

Abstract: A retainer for a rolling bearing, which is used for a food machine or a vacuum apparatus, containing an increased amount of a lubricating oil and enhancing a use efficiency of the lubricating oil and rolling bearing is described. The retainer consists of a molding, of a synthetic resin composition, which holds a rolling element of a rolling bearing. The molding is composed of a resinous porous article having an interconnected hole porosity not less than 30% and a lubricating oil which impregnates the resinous porous article. The resinous porous article has an interconnected hole are formed by molding a resin containing a pore-forming substance having a melting point higher than that of the resin and can be used as a food material, and by extracting said pore-forming substance from the molding with a solvent which dissolves the pore-forming substance and does not dissolve the resin.

Abstract: An optical connector plug includes an approximately square cylindrical rear cover of an insulating member fitted over an outer surface of a stop ring, and a cylindrical front cover which is urged frontward by an elastic member and is slidable back and forth at an outer surface of a plug frame. The front cover has a flexible plate-like shutter on an inner wall, which blocks the tip of a ferrule. The shutter has an upright curved portion formed by curving a tip side in an arc shape. When the front cover moves backward, the curved portion of the shutter is pressed against a tip of the plug frame to become flat and is pressed against the inner wall of the front cover to be retained in a plate form, thereby releasing a light-shielding state of the optical fiber.

Abstract: A splicer comprises a positioning device, in which the fiber ends in general have a residual offset. A memory stores a predetermined relationship between the possible offset and a parameter which controls the application of heat. The parameter which controls the application of heat, for example the splicing time for a predetermined splicing current, is defined on the basis of an actual offset which can be recorded by means of cameras.

Abstract: A manifold for holding spliced optical fibers and their protective plastic coatings in a secure and motionless manner. The manifold includes a “clamp” made from a soft durometer material (SDM) such as a high strength silicone mold-making rubber or a dry polymer gel that has been partially sliced to a depth of about 75%. The manifold permits ease of insertion of a spliced optical fiber into, and removal of that spliced optical fiber from, an SDM-slice without disturbing other fibers that are held in other slices in the manifold. In a particular embodiment the gel or rubber SDM fills a four-sided plastic box to overflow.

Abstract: A vibrating device includes a dust-screening member shaped like a plate as a whole, a first vibrating member secured to the dust-screening member and configured to cause, when driven alone, the dust-screening member to undergo first standing-wave vibration, and a second vibrating member secured to the dust-screening member and configured to cause, when driven alone, the dust-screening member to undergo second standing-wave vibration. The first vibrating member and the second vibrating member are so positioned that the first standing-wave vibration and second standing-wave vibration produced by the first and second vibrating members, respectively, overlap each other, thus producing a travelling wave propagating in one direction and having nodes regions at an outer circumferential edge of the dust-screening member, the node regions having virtually no vibrational amplitude.

Abstract: A focal-plane shutter 105 includes a leading blade driving member 4 rotatably fitted onto a first shaft 1d and driven by a biasing force of a leading blade driving spring 8, a trailing blade driving member 5 rotatably fitted onto a second shaft 1e and driven by a biasing force of a trailing blade driving spring 9, a leading blade adjusting member 6 rotatably fitted onto the first shaft 1d and adjusting the biasing force of the leading blade driving spring 8, a trailing blade adjusting member 7 rotatably fitted onto the second shaft 1e and adjusting the biasing force of the trailing blade driving spring 9, and an upper base plate 3 including a first surface 3a and a second surface 3b that are thrust position limiters. An area of the first surface 3a is larger than that of the second surface 3b.

Abstract: A lens barrel includes: a barrel body; a mount that is attached to an end of the barrel body and has a connection portion to be connected to an imaging apparatus body; and a substrate that is disposed on an attachment surface of the mount that is attached to the barrel body and on which a controller for controlling the action of the barrel body is formed, wherein the mount has a locking member that protrudes from the attachment surface and locks an operation member for operating a mechanism in the barrel body, and the substrate has a clearance that prevents interference with the locking member.

Abstract: In a case where temperature of a print head mounted on a head carrier becomes a specified temperature or higher during use, a head carrier is retracted to a retracting section in a housing of a printer, so that it is hardly touched by a user's hand. The retracting to the retracting section can also be linked to opening of a printer cover.

Abstract: A re-transfer printing machine 60 uses an ink film 33 having a sublimation-ink area of sublimation inks Y, M, C and an invisible-ink area of an invisible ink UVS and an intermediate-transfer film 11 having a protecting layer 11c and an ink receptor layer 11d enabling the sublimation inks and the invisible ink to be received. The machine includes an overlap detecting part 76-5 for detecting whether a print image contains an overlapping between a sublimation-ink image 18 and an invisible-ink image 20 and a controller 6 for controlling a transfer operation corresponding to detection by the overlap detecting part. If the overlap detecting part detects that the print image contains the overlapping, the controller allows the machine to transfer the sublimation-ink and invisible-ink images to different areas in the receptor layer. If not, the controller allows the machine to transfer the sublimation-ink and invisible-ink images to an identical area 212 in the receptor layer.

Abstract: The subject matter described herein includes an apparatus for ergonomic typing. The apparatus includes a first surface having first set of keys including a plurality of alphabetic keys, where the first set of keys is operable by a user's thumbs. The apparatus includes a second surface having a second set of keys including a plurality of alphabetic keys, where the second set of keys is operable by the user's fingers. The second surface includes first structures for home positioning of fingers of the user's left and right hands and second structures for positioning of the fingers of the user's left and right hands when moving to and from home position keys during typing.

Abstract: On the back side surface of a release paper of a double-sided adhesive tape 53, sensor marks 65 each in a rectangular shape elongated in the tape width direction when viewed from its front are printed beforehand at a predetermined pitch L along the tape transferring direction to be vertical and symmetric with each other with respect to the center line in the tape width direction. Further, on the double-sided adhesive tape 53, wireless tag circuit element 32 is provided between adjacent sensor marks 65 on the center line in the tape width direction and at a position equal to the distance l1 from each sensor mark 65 in the tape discharging direction (a direction shown by an arrow A1). An antenna 33 and a reflective sensor 35 are distanced from a cutter unit 30 by a distance l1 in the tape transfer direction. The cutter unit 30 and a thermal head 9 are distanced from each other by a distance l2 in the tape transfer direction.

Abstract: A printer is disclosed. The printer includes a main body which contains a paper roll container where a paper roll is loaded, a lid for closing an opening section of the main body through which opening section the paper roll is loaded in the paper roll container, a letter printing mechanism which is formed when the lid is closed, and a detecting arm disposed on a rear surface of the lid for detecting a near-end state of the paper roll. When the paper roll is loaded in the paper roll container and the lid is closed, an arm main body of the detecting arm contacts an outer circumferential surface of the paper roll. When the paper roll reaches the near-end state, the detecting arm does not contact the outer circumferential surface of the paper roll and is moved, and a switch disposed at the main body becomes OFF.

Abstract: A marking instrument including a body portion having an internal cavity disposed therein with a rotation means disposed within the interior cavity of the body portion. The marking instrument also includes a marking platform having at least one marking element disposed thereon and a cap element having an opening that corresponds to a geometric shape of a mark to be produced or the geometric shape of an answer space.

Abstract: A pen flower comprises an artificial flower head attached to the cap end of a writing instrument and flower stem-like appearing material, such as floral wrap, wrapped around the writing instrument to re-design a writing instrument, such as a standard ball point pen, into the appearance of a flower. The pen flower further comprises a flower pot containing smooth spherical elements such as marbles or beads. A plurality of flower pens are placed in the spherical elements in the flower pot with the flowers on at least some of the instruments being located outside the pot whereby the writing instruments are held in the flower pot in a manner which produces an appearance of a potted flower while also allowing each writing instrument to be easily removed from the pot for use and replaced into the pot to re-establish the potted flower effect.

Abstract: To enhance customer satisfaction in use of an extruding container of an applying filler, a leading tube having a discharge port (101c) is formed as a filling member (101), and the filling member (101) having a filling region (101x) filled with an applying filler (L) is inserted and attached to a leading end side of a main body side assembly (140) formed by installing a movable body (106), an engagement portion (104c, 106b) for moving the movable body (106) and a rotation preventing portion (102d, 106e), whereby the applying filler (L) can be sufficiently filled in the region (101x) between the inner side of the discharge port (101c) of the filling member (101) and the movable body (106) of the main body side assembly (140), and the applying filler (L) can be rapidly discharged at a first applying time by a user.

Abstract: A quick change adapter for removeably mounting a finishing tool to a rotary drive shaft. The quick change adapter includes a shaft hub mount designed to be mounted to a rotary drive shaft, and a tool hub mount designed to hold a finishing tool and to be removably secured to the shaft hub mount. The shaft hub mount includes a shaft sleeve with an annular sleeve ring on it. An annular locking ring is biased against the sleeve ring and includes a locking tab that slides into a locking slot in the sleeve ring. The tool adapter includes a lock sleeve adapted to slide between the annular locking ring and the shaft sleeve. The lock sleeve has a locking finger this slides into a recess slot in the locking slot when the tool adapter mount is engaged with the shaft hub mount.

Abstract: A corner connector device has outside and inside connector components each having a length. The outside component has first and second legs integrally connected along a lengthwise seam. The outside connecter component has an outside connector that extends lengthwise along the seam and projects from an outside surface. The inside connector component has third and fourth legs integrally connected along a lengthwise seam. The inside connector component has an inside connector that extends along the seam and projects from an inside surface. The inside and outside connectors can be lengthwise connected to and disconnected from one another with surfaces of the connector components spaced a distance from one another. Panels meeting at a corner can be captured between the spaced surfaces of the two connector components.

Abstract: A device for arresting a motor vehicle which is moving on a support surface includes an enclosure with is shaped and dimensioned to receive the motor vehicle. The device is releasably connectable to a helicopter, so that the device can be (1) positioned over the motor vehicle by the helicopter, (2) disconnected from the helicopter, and (3) dropped onto the support surface wherein the enclosure encloses the motor vehicle.

Abstract: A device to secure, cut and sequentially remove a manhole from a street environment. The manhole removing device is supported and rotatably driven hydraulically by a mobile operation equipment. A circular disk assembly has adjustable pavement cutters adjustably positioned from there within an inter-related manhole centering and a locking alignment and engagement plate assembly define a one-step cutting and removal of an existing manhole from the street for replacement.