Abstract: A vacuum cleaner is provided including a housing, a nozzle inlet, a suction generator carried on the housing and a dirt vessel carried on the housing. The dirt vessel includes a sidewall, a bottom wall and an air inlet and an air outlet. A filter shield is aligned with the air inlet to deflect an airstream entering the dirt vessel through the air inlet. A filter element is also provided to clean fine dirt and debris from the airstream.

Abstract: A brush of a cleaner comprising: a rotation shaft rotatably supported at a lower surface of a body; a brush hub fixed to the rotation shaft; and brush hair mounted at an outer circumference surface of the brush hub for sweeping dust and contamination of a floor, wherein the brush hair is composed of a first row arranged toward a shaft direction of the brush hub and divided into a first hair portion which is not contacted with a floor and a second hair portion which is contacted with the floor, and a second row sequentially arranged with the first row and divided into a first hair portion which is contacted with the floor by facing to the first hair portion of the first row and a second hair portion which is not contacted with the floor by facing to the second hair portion of the first row.

Abstract: A floor cleaning machine is provided with at least two movable squeegees to provide coverage of the liquid applied to the floor in a path with the squeegees extending beyond the outer perimeter sides of the liquid path both during straight ahead movement and during turning maneuvers. The squeegee assemblies are carried by a chassis. A floor scrubbing device is provided to apply liquid to the floor and to mix dirt on the floor with the applied liquid. A liquid pickup device is also provided to remove the applied liquid from the floor at a position adjacent to each of the squeegee assemblies.

Abstract: A mechanical door closer (10) that includes a spring (20) mounted in a track (13) to urge the door (11) to a closed position. A brake assembly (24) controls that rate at which the door (11) closes. The brake assembly (24) includes a brake hub (25) that has ramp slots (32) that receive balls (33) that engage a braking shell (34) to cause the braking assembly (24) to frictionally engage the track (13) to thereby control movement of the door (11).

Abstract: In combination, a conventional cable tie and a cable encircling member having a width exceeding the width of the cable tie. The cable encircling member has an opening extending between upper and lower surfaces thereof. The free end of the cable tie tail is inserted from the upper surface of the cable engaging member through the opening and the tail of the cable tie is dressed along the lower surface of the cable engaging member such that the free end of the cable tie extends outwardly of an end of the cable encircling member. Conductors to be ensnared are now laid upon the upper surface of the cable encircling member. The free end of the cable tie tail is now inserted into the head of the cable tie forming the cable encircling member into a spiral coil loosely encircling the conductors. The free end of the cable tie is now pulled beyond the cable tie head until the spiral coil moves into tightly encircling relation with the conductors.

Abstract: A top end stop of a slide fastener is attached to fastener stringers on a box pin side, and has a first side face opposing a guide column of a slider and a second side face on an opposite side. The first side face has first and second opposing side faces intersecting at an angle of 140° to 150°, and an interval A between the first opposing side face and the second side face being larger than a width C of an element aisle of the slider. An interval B between the second opposing side face and the second side face being equal to or smaller than the width C. A cut-out is provided as a stopper at a position on the second side face at a width E from the first opposing side face.

Abstract: A method for forming a unitary polymeric projection or fastener comprising a thin, strong flexible backing, and a multiplicity of thin spaced hook members projecting from the upper surface of the unitary backing the method generally including extruding a thermoplastic resin through a die plate which die plate is shaped to form a base layer and spaced ridges, ribs or hook elements projecting above a surface of the base layer. When the die forms the spaced ridges or ribs the cross sectional shape of the hook members are formed by the die plate while the initial hook member thickness is formed by transversely cutting the ridges at spaced locations along their lengths to form discrete cut portions of the ridges. Subsequently longitudinal stretching of the backing layer (in the direction of the ridges on the machine direction) separates these cut portions of the ridges, which cut portion then form spaced apart hook members.

Abstract: An apparatus for eliminating misaligned rows when securing edges of knitted panels together by securing edges of a pair of panels being darned. The apparatus comprises a first member and a second member each having a handle portion on a first end and a jaw portion on an opposite end. A securing means engaging such first member and such second member intermediate each end thereof for securing such second member to such first member. An aperture is formed through a jaw portion of one of first member and second member and a post member extends outwardly from an inner surface of an opposite one of first member and second member. The post member is disposed to extend through the aperture for securing the panels. A biasing means is engageable with the handle portion of such first member and such second member for biasing the apparatus in a closed position.

Abstract: The present invention relates an improved slider zipper assembly with a diaphragm for flexible packages comprising: zipper profile consisting of male element and a female element, said profile having flaps on single side, said male element having at least a pair of notches, which could be coupled to corresponding notches on female elements, a slider to close said zipper profile, and a diaphragm of at least one film sealed between said flaps to seal and make the package tamper proof and act as a barrier wherein the improvement resides in the diaphragm having a score line effected using means for scribing for making it easier and more convenient for the user to tear open and access the contents of the package.

Abstract: A transverse fiber sheet is lapped by being guided in a substantially radial direction back and forth along a path between circumferentially outer and inner edges of the sheet, with the transverse sheet being reversed at each end of its path, the width of the transverse sheet being narrowed between the outer circumferential edge and the inner circumferential edge, the transverse sheet being held in place as it is lapped. Substantially mutually parallel yarns or tows are pulled to form a helical longitudinal sheet of density per unit area that decreases between its outer edge and its inner edge. The transverse sheet and the helical longitudinal sheet are superposed and advance continuously in flat rotation, and they are assembled together to form a helical sheet which is removed.

Abstract: A process for the preparation of indigo dyed yarn for use in the manufacture of knitted fabric by a knitting machine comprising in the steps of, forming a dyed rope of yarn by the steps of indigo dyeing; individualizing the yarn of said dyed rope; forming separate packages of the yarn on separate spools of fixed ends; preparing individual hanks of each yarn end of each spool by hank maker; converting said hanks into individual cones of single yarn.

Abstract: A device for treatment of an elongated medium with at least two first rotational bodies, which are pivoted around predefined rotational axes, whereby the rotational axes are essentially parallel to one another, with at least two second rotational bodies, which are pivoted around predefined rotational axes, a first treatment chamber, which is arranged in a conveying route of the elongated medium between the two first rotational bodies and the two second rotational bodies, and a second treatment chamber for the elongated medium, which is arranged in the conveying route of the elongated medium after the second two rotational bodies.

Abstract: A rail system for positioning a toolhead above a workpiece uses a rack cut into one edge of the rail and driven by a pinion gear whose shaft is approximately perpendicular to a workpiece to couple the rail to the toolhead. Multiple rollers placed on the toolhead allow contact between the toolhead and the rail to be effectively continuous despite the cutting away of as much as or more than two-thirds of the rail edge to provide rack teeth. Separating thickness axis containment from transverse with a square rail edge and separate thickness axis and transverse rollers allows the toolhead to follow a rail as the rail flexes over a curved surface with minimal position error. Several variations in rail, bearing, and rack implementation can realize comparable results.

Abstract: A tool for installing a garbage disposal to a sink flange extending below a sink includes a keeper and a platform. The keeper includes a head portion for engaging the sink flange above the sink and a leg portion extending along the sink axis through the sink flange. The platform carrying disposal mounting rings is releasably engaged with the leg portion below the sink to position it adjacent to and aligned with the end of the sink flange body. A snap ring is biased from the platform onto the flange body and into the annular groove in the flange body to trap the back-up ring and mounting ring on the flange body below the sink. The platform is disengaged from the leg portion and the tool is removed so that the disposal may be secured to the mounting ring in a known manner.

Abstract: A tool installs barb emitters in irrigation tubing. The tool has a cradle which receives irrigation tubing and a punch mounted opposite the cradle. The punch has a first cylinder and a second cylinder telescopically received within the first cylinder. The first cylinder has a cap at the upper end and an annular ring extending inwardly from to partially occlude the lower end. The second cylinder includes a second cap at the upper end which slidably engages the first cylinder and is resiliently urged by a spring against the annular ring. The cap has a punch holder extending downwardly therefrom. A needle has a sharp tip extending downwardly from the punch holder through the second cap to a point within the second cylinder when the spring is fully extended and beyond the second cylinder when the spring is fully compressed. One of the jaws has a knife blade extending from the other end thereof opposite. The of the jaws defines a semi-circular concave anvil at the other end.

Abstract: An apparatus and method for mounting a valve stem to the rim of an vehicle wheel includes engaging a valve stem with a robotic manipulator, moving the valve stem relative to the rim along a programmable path of travel, coaxially aligning the valve stem with the aperture in the rim, and inserting the valve stem through the aperture in the rim. Preferably, the aperture location in the rim is determined at a gauging station by a machine vision system. If necessary, a power-actuated nut runner is used to tighten a nut over the valve stem. Alternately, the gauging station can use a table which rotates the wheel about a central axis, and an optical sensor detects the location of the aperture. Optionally, a probe mounted on the gauging station can be extended into the aperture to confirm the aperture position and to reposition the rim slightly if required.

Abstract: An apparatus for forming armed sutures has a swaging station for receiving, holding and swaging needles that are deposited therein. A linear motor drives a suture insertion gripper, which pulls suture from a supply reel and inserts a cut end thereof into a needle held in the swaging station. A ganged needle transfer assembly with a plurality of spaced needle gripper units carries needles along a line substantially at right angles to the suture line and transfers them to and from the swaging station and other needle processing stations. A precisor orients needles prior to placement in the swaging station and a pull test assembly tests armed sutures in both destructive and non-destructive modes. Both ends of the production line may be automated, e.g., by robots which load and offload needles prior to and after swaging, respectively. The apparatus is capable of forming double armed sutures by using a rotatable mount for the suture insertion gripper and a secondary, loop gripper.

Abstract: A multi-axis, computerized numerically-controlled (CNC) toolhead positioning device with six degrees of freedom of movement while utilizing only five axes of movement, comprising a rotating workpiece mount assembly (28) and a rotating gantry (64) with a mounted toolhead assembly base (80). Perpendicular rotational axes about a mounted workpiece (26) provide the capability to perform specific toolhead operations on the arcuate surface of the workpiece (26), subject to the type of mounted toolhead assembly. The computer (120) uses CNC software to integrate operator instructions, machining operations, and the sequence of operations into an automatic and coherent machining package.

Abstract: A motor manufacturing method includes: a coil formation step of forming a unipolar coil, having coil inserting portions at two positions and coil end portions at two positions, in to a shape that changes such that a size in a height direction parallel to the coil inserting portion is larger in an inner peripheral side corresponding to a diametrical direction of a motor core along a direction of a winding axis center, than in an outer peripheral side; and a coil insertion step of disposing the unipolar coil in such a manner that the coil inserting portions in the unipolar coil respectively face toward inner peripheral opening portions of slots and are substantially parallel to an axial direction of the motor core, and inserting the coil inserting portions of the unipolar coil into the slots by moving the unipolar coil toward the motor core substantially linearly, while holding the motor core such that protrusion dimensions at both ends protruding from both end surface positions in an axial direction of the mot

Abstract: An apparatus in which wave windings with a defined number of waves are cut from a continuously formed wave winding band. In forming with a wire guide, the wave winding band is laid in alternation around the outer side faces of forming protrusions, offset from one another on the circumference of two disks. The two disks can be driven to rotate. In the angular range in which the wave winding band is driven on the circumference of the disks or roller, the spacing between one forming protrusion of one row and the next forming protrusion in the other row is increased by such an amount that the outer side faces of the forming protrusions form the winding heads of the wave windings. The wave windings cut from the wave winding band are introduced into radially outwardly open slots of a lamination packet or a rotorlike transfer tool.

Abstract: A method for fabricating a magnetic head includes forming a first pole and a flux shaping layer in spaced relation to the first pole. A nonmagnetic layer is formed adjacent the flux shaping layer and positioned on an air bearing surface (ABS) side of the flux shaping layer. A tapered recess is created in the nonmagnetic layer, the taper of the recess increasing (i.e., becoming deeper) towards the flux forming layer. The recess is filled with a magnetic material. A probe layer is formed such that it is in electrical communication with the magnetic material filling the recess.

Abstract: A slider comprises a slider section and a reproducing head section. The slider section has a first medium facing surface, an air inflow end, and a recording head. The reproducing head section has a second medium facing surface, an air outflow end, and a reproducing head. The slider section and the reproducing head section are fabricated separately, and bonded to each other so that the first medium facing surface and the second medium facing surface are continuous.

Abstract: A method for shaping an ABS of a magnetic head slider including a step of holding at least one row bar with a plurality of aligned thin-film magnetic head elements by adhering a first surface of the at least one row bar to an adhesive or UV tape capable of passing a laser beam there through, the first surface being opposite an ABS of the at least one row bar, a step of shaping the ABS of the at least one row bar in a convex shape by radiating a laser beam to the first surface of the at least one row bar through the adhesive or UV tape, a step of cutting the at least one row bar into individual magnetic head sliders, and a step of then, removing the magnetic head sliders from the adhesive or UV tape after weakening adhesion properties of the adhesive or UV tape.

Abstract: The present invention relates to a structure of a stacked stator core formed when rotary motors are manufactured and to a method of manufacturing the stacked stator core. It is possible to improve the workability in the winding process and the productivity of the stator and the rotary motor because the stacked stator core includes a plurality of stator cores 300, each of which is made up of a prescribed number of stacked sheet magnetic materials, a plurality of yoke members 301 forming each stator core, a bendable bent portion 304 provided between the yoke members, and an interconnecting portion 401 for connecting the plurality of stator cores 300 one another while providing a difference in level, by connecting the top end of one stator core with the bottom end of the other stator core.

Abstract: A mask frame assembly for evaporation includes a mask and a frame which supports the mask. The mask includes a metal layer having a predetermined pattern, and a coating layer which is formed on a surface of the metal layer so as to increase a precision of the predetermined pattern and a surface roughness of the mask.

Abstract: An apparatus is provided for thermally coupling a heat dissipation device to a microelectronic device. A thermal compression bonding apparatus is provided comprising a bonding head adapted to apply heat and pressure to the heat dissipation device to provide the desired thermal profile to effect solidification of the interface material from the center outward.

Abstract: The present invention has an object to provide a producing method and producing apparatus of multilayered printed-circuit board that has eliminated the resin flow and resolved the problems of board thickness discrepancy and misregistration. A producing method of multilayered printed-circuit board, comprising steps of stacking up a laminated sheet covered with conductive foil or conductor for outer layer, a prepreg and a laminated sheet covered with conductor for inner layer and, thereafter, setting the prepreg by pressurizing/heating, wherein, before conducting the pressurizing/heating, gas is sprayed to the surface of the laminated shoot covered with conductive foil or conductor for outer layer, a prepreg and a laminated sheet covered with conductor for inner layer to eliminate impurities from the surface.

Abstract: A component mounting apparatus and a component mounting method which improve accuracy and a rate of placement of components onto a circuit-formed member. A component sucked by a suction nozzle is recognized at a component recognizing position, a deviation of the component from a normal suction status is determined on the basis of component recognition information obtained from this recognition of the component, and a velocity of conveyance of the component for a period of time following the recognition of the component and preceding placement of the component is controlled on basis of a magnitude of the deviation. By this control, the accuracy and rate of placement of components onto the circuit-formed member can be improved.

Abstract: A method of improving shock and vibration isolation of a CGA integrated package which utilizes solder column grid arrays and that includes a substrate and a package lid, includes providing a support frame attached at an attachment point to the substrate or the package lid and at a second attachment point to the circuit board. Isolation material is provided at the attachment point of the support frame to the substrate or package lid, or at the second attachment point of the support frame to the circuit board.

Abstract: All images of a plurality of sucked and held electronic components are picked up, sucked and held states of the electronic components are successively recognized by their respective images in an order of placing the electronic components onto a circuit board, and the electronic components for which such recognition processing is completed can be successively placed onto the circuit board in this order during a process of the recognition processing.

Abstract: By forming a terminal at a tip of a lead part of a lead frame, and by fixing this terminal and a connecting pad which was formed on an upper surface of a first printed circuit board, the lead frame is attached to the first printed circuit board. By cutting off a frame part and a tie bar part from the lead frame which was attached to the first printed circuit board, the lead part is separated, and forming is applied to the lead part so as for its tip to be extended over the first printed board. After the lead part which is expanded upward is inserted into a through-hole which was opened in a second printed circuit board, by soldering the lead part and the through-hole, the first printed circuit board and the second printed circuit board are electrically connected.

Abstract: A semiconductor package including top-surface terminals for mounting another semiconductor package provides a three-dimensional circuit configuration that can provide removable connection of existing grid-array packages having a standard design. A semiconductor die is mounted on an electrically connected to a circuit substrate having terminals disposed on a bottom side for connection to an external system. The die and substrate are encapsulated and vias are laser-ablated or otherwise formed through the encapsulation to terminals on the top surface of the substrate that provide a grid array mounting lands to which another grid array semiconductor package may be mounted. The bottom side of the vias may terminate and electrically connect to terminals on the substrate, terminals on the bottom of the semiconductor package (through terminals) or terminals on the top of the semiconductor die.

Abstract: The present invention is directed to a method for an electrically conductive structure on a printed circuit board for connecting an element on the printed circuit board with other elements. The electrically conductive structure may include a contact pad on a first side of the printed circuit board and two or more connection pads on the first side of the printed circuit board. The two or more connection pads are in close physical proximity to the contact pad and electrically connected to the contact pad. The element on the printed circuit board is directly connected to one the two or more connection pads electrically. The structure permits various engineering changes to the electrical connections of elements on the printed circuit board by desoldering electrical connections to the two or more connection pad, by severing traces to the connection pads, or by severing the electrical connection between the connection pads and the contact pad.

Abstract: A circuitized substrate and a method of making the circuitized substrate is provided. The circuitized substrate includes a substrate having a substantially planar upper surface and a conductive layer positioned on the substantially planar upper surface. The conductive layer includes at least one side wall therein, defining an opening in the conductive layer. The conductive layer includes an end portion spaced from the opening, the end portion forming an acute angle with the substantially planar upper surface of the substrate. The at least one side wall is substantially perpendicular to the substantially planar upper surface of the substrate.

Abstract: A flexible multilayer wiring board manufactured by laminating a metal foil via an insulating layer to cover the first layer circuit wiring formed on a conductive substrate, and a resist layer is formed to cover the second layer circuit wiring formed by pattern-etching the metal foil. Using the conductive substrate as a power feeding layer, a conductive material is filled, by electrolytic plating, into interlayer via holes each formed applying a laser beam to the resist layer to establish interlayer connection between the first and second layer circuit wirings. Using the conductive substrate as a power feeding layer, a conductive material is filled, by electrolytic plating, into hole portions of an insulating layer formed to cover the second layer circuit wiring to form external connection terminals. Then, the conductive substrate is removed entirely or partly to expose the first layer circuit wiring.

Abstract: A method of manufacturing contact sheets is provided, including the steps of providing an electrically conductive sheet to form a conductive member. The conductive member includes a plurality of adjacent contact members joined by a plurality of linking portions. At least one base sheet is provided having a plurality of openings formed therein. The conductive member is positioned and secured to at least one surface of the base sheet such the contact members are positioned in the openings. The contact members are processed to (i) sever the linking portions from adjacent contact members and (ii) to form extending contact portions having a predetermined configuration. The position of the linking portions prior to severing is such that opposing severed faces of the linking portions are separated from each other and the contact members are electrically insulated from one another.

Abstract: A method of manufacturing a linear compressor includes measures to account for possible variations in manufacture of the spring connecting between a cylinder part and a piston part. In the method, the piston is located at a predetermined axial position in the bore of the cylinder of the compressor. A spring that is connected with the cylinder part is extended so that a piston connection point of the spring is at a position based on a predetermined displacement of the spring or a position in which the spring exerts a predetermined reaction force. In this position, this piston and the spring connection point are thus separated by a distance that depends on the actual formed dimension of the individual spring. The piston and the piston connection point are subsequently joined to have a rigid axial separation that is fixed according to the separation attained in these steps.

Abstract: A method of repairing a damaged combustion gas transition liner for a gas turbine engine and an improved damage-resistant transition liner that mounts adjacent to the edge of one of the engine's combustion chambers. In a particular embodiment, the gas turbine engine is a reverse flow type and the transition liner has a scalloped, circular shape with a damaged outer edge portion. The outer edge portion of the liner is removed and replaced with a new ring-shaped edge portion. The new ring-shaped edge portion has a layer of damage-resistant material that is more robust than the original liner material. The layer of damage-resistant material is located such that it will be adjacent to the edge of the combustion chamber when the gas turbine engine is reassembled. A new transition liner assembly with the damage-resistant edge also is provided.

Abstract: A method for repairing a stationary turbine nozzle segment having at least one vane disposed between outer and inner structural bands includes providing an engine-run turbine nozzle segment having at least one vane disposed between outer and inner bands, wherein the outer band and the vanes are previously replaced components of the segment and the inner band is an original component of the segment; separating the inner band from the nozzle segment; repairing damage in the outer band and/or the vane; and joining the outer band and the vane to a newly manufactured replacement inner band segment. The replacement inner band segment includes: a structural inner band; and an integral structural collar adapted to receive an inner end of the at least one vane.

Abstract: A heat sink vacuum packaging procedure to rapidly complete the packaging of a heat sink without drilling, pipe welding, vacuum pumping, or other processes. Because the packaging procedure saves much time and labor, the manufacturing cost of the heat sink is relatively reduced. During packaging, no welding process is employed, therefore the invention prevents accidentally flowing of tin solder into the inside of the heat sink to affect the quality of the heat sink, and the quality of the heat sink is maintained.

Abstract: A utility knife that includes a pair of blades mounted on a blade holder. One blade is to be extendable from the housing of the utility knife adjacent the fore end of the utility knife with the other blade to be extendable from the housing to be usable for adjacent the aft end of the housing. The blade at the fore end of the housing is to be usable by the user exerting a pulling action toward the user with the blade at the aft end of the housing to be usable by the user exerting a pushing action against the housing.

Abstract: A peeler apparatus is provided having an ergonomic handle and a blade that can be rotated relative to the handle to accommodate different peeling styles. The blade can be rotated in order to position the blade in a variety of positions relative to the handle. Such positions include perpendicular, parallel left, parallel right, 45 degree left, and 45 degree right positions. Variations of the peeler can be provided which enable rotations of 180 degrees, 360 degrees, and/or other angles as desired. A user-operable knob cooperatively engaged with a yoke permits the yoke and a blade secured to the yoke to rotate relative to the handle in response to rotation of the knob. A peeler having a blade fixed at approximately 45 degrees relative to the handle is also provided.

Abstract: A chain saw bar tensioning apparatus is disclosed comprising a sliding member having a recess formed therein. The sliding member is adjacent to a first tensioning member that biases the sliding member in a direction such that when the apparatus is incorporated into a chain saw bar and mounted to a chain saw having a mounting stud, the sliding member is biased towards the mounting stud. The apparatus further comprises a latch adjacent to a second tensioning member. The recess of the sliding member is configured to receive the latch and the second tensioning member biases the latch towards the sliding member such that, when the sliding member is forced in a direction away from the mounting stud, the latch will eventually enter the recess and prevent the sliding member from moving towards the mounting stud.

Abstract: The invention is a method of determining the geometry of a wheel of a vehicle and/or the geometry of the associated support or drive structure. In one embodiment, a gauge includes caster and camber vials or an electro-mechanical sensor for outputting caster and camber angle to a display. In use, the gauge is aligned with or referenced to an indicator, such as a slot or marking. In one embodiment, the indicator has a reference position of zero degrees caster angle. The gauge measures the current position of the indicator compared to its reference position. The gauge includes a connecting element for maintaining it in alignment with the indicator, such as a threaded ring which engages the spindle or a magnetic ring engaging a wheel hub.

Abstract: A sporting apparatus for use in football. The sporting apparatus is a system that measures the manner in which football downs and distance is calculated in football. The system includes two down markers, a ball marker, and a hand held device which are in visual contact with each other through a series of radio wave or light wave communications. The system eliminates the need for the traditional down markers used in today's football games in which distance must be frequently checked manually.

Abstract: A sensing contact probe includes a beam support and a probe. The probe has a bent beam body that extends from the beam support to a probe tip face that has a position and faces in an angular direction. The bent beam body has first and second beam layers bonded together and have differing residual stresses that bend the beam body. A stress relief region is formed in the bent beam body. The stress relief region has an adjusted stress property that adjusts the bending to control the probe tip face position and angular direction.

Abstract: A multiple unit transparent measuring device comprised of eighteen +/? individual units, which may be assembled in a variety of combinations, including a single unit. Two of the units are a main top plate and a main bottom plate. The main plates may be held together by a peripheral retainer, in itself a multifunction measuring device. The main top plate comprises multiple painted measuring markings in variety of colors and line widths. The main bottom plate, also with painted markings, is partially comprised of twelve +/? varied-sized pocketed triangles and squares. The main plates may also be connected lengthwise, to make one longer measuring device. All units are formed from a transparent material such as polycarbonate.

Abstract: Markers for mounting objects such as picture frames, mirrors, shelves and the like, to desired locations on a wall type surface without causing unnecessary holes to the wall surface. The markers can include target patches with target indicia such as crossed hairs, and bulls-eye patterns. The target patches can have a first adhesive side that is temporarily placed on mounting locations on the rear side of the object. The object with the target patches then is oriented and positioned to a desired optimum location on the wall and then pressed against the wall. Another adhesive side of the target patch that is stronger in adhesion than the first side allows for the target patch to transfer to the wall surface and remain on the wall surface. Nail type fasteners, and the like, then are attached by the location of the target indicia into the wall. Next the object is placed and mounted to the wall mounted fasteners so that the object can then hang from the wall mounted fasteners.

Abstract: A spacer for facilitating hanging and fastening siding strips to a structure. The spacer is placed on a previously-fastened siding strip. An unfastened siding strip is then placed on the spacer, allowing the unfastened siding strip to be fastened. Once fastened, a portion of the spacer may be separated allowing the siding strips to come into unobstructed contact with one another.

Abstract: A modular scanning unit for a position measuring system and including a support having a recess with a guide surface and a holder adjustably supported upon the support, wherein the holder has a light source and a beam-shaping device aligned with the light source. A scanning plate aligned with the light source and the beam-shaping device. The holder is guided upon the guide surface, displaceable in a first direction and rotatable in all directions, and the holder rests against the guide surface at at least one point, and that, following adjustment, the holder is fixed in place at the at least one point.