Alignment device

A direction finding system is disclosed in which a predetermined horizontal plane is established by the projection from one location of an image having illuminated and unilluminated portions corresponding to the predetermined horizontal plane. A receiver at a remote location detects the image at two...     

A target for acquiring a swept light beam in which four light detectors arranged in a row are connected to operate respective illumination devices and also to a logic network which operates an audible signal only upon activation of all four or exclusively the center two detectors. The target includes...     

A plumb light device for locating a plumb spot on a ceiling or tracing a line from floor to ceiling, the device has a leveling platform with adjustable support pegs, alignment means and leveling indicators, and has further a light source with a power supply and a focal means for directing a parallel...     

An apparatus is provided for bringing a holder for an indicating member, e.g. a mirror, scale etc. component of measuring means, into exact coaxiality with a rotatable body, such as a vehicle wheel or wheel shaft, for checking the axis position and direction of the body. The apparatus comprises three...     

There is disclosed an apparatus for defining a vertical axis by means of a reely suspended optical system acting as a plumb line. In equilibrium, the optical system has a vertical optical axis about which real images can be detected at distances of the order of a thousand feet above or below the optical...     

A method and apparatus employed in the spacing and gapping the product containing rollers contained within a plurality of continuous casting discharge racks. Both the method, and apparatus with which the method is employed, insure the accurate gapping of the discharge rack rollers from a specific centerline,...     

A portable, hand-held drill, or an attachment therefor, comprising an assembly of parts for generating focused beams of light to be directed alongside the drill bit, whereby the positions of the light spots projected on the work surface serve as indicia of the angle between the drill bit and the work...     

An apparatus employed in the alignment of various components of a continuous-casting machine. The apparatus may be used relative to the continuous-casting machine per se, or it may be employed at a location removed from the continuous-casting machine. The apparatus insures a more accurate alignment of...     

Each of four templates comprises crossed strips which define straight edges for aligning masons lines. Additional strips are fixed to, and extend perpendicularly from, one end of each of the cross strips. Notches in these additional strips define pin locations for wall and footing lines.

An indicator for use in monitoring and determining axial deflection or positioning of a coupling, e.g., of the flexible diaphragm type, wherein a pair of suitably configured indicia such as stepped edge decals are located on opposite ends of the coupling torque tube or spacing member adjacent each coupling...     

Apparatus for aligning a working laser beam with respect to a working area comprises a manipulatable guide having a hand manipulator including a focussing lens for manipulating and focussing the beam on the working area; and a laser generating a low-energy visible laser beam which is directed through...     

The ends of two optical fibres to be joined are housed in sleeves which include assembly means for uniting the sleeves front face to front face. A point-line-plane positioning arrangement ensures that each time the connector is re-closed its sleeves take up the same axial disposition with respect to...     

A bottom hole survey apparatus is characterized by a survey instrument having a reference line therein, the instrument being receivable by the engagement of flanges provided along the instrument into keyways provided on the interior of a non-magnetic instrument barrel. When engaged, the reference line...     

Apparatus for use in compensating for gun sighting errors due to misalignment between the muzzle axis of a gun and the optical axis of an associated gun sighting system is described, comprising a marker and a collimator mounted on the gun remotely from the muzzle and in fixed relation to one another,...     

There is disclosed herein a golfer's training device particularly adapted for use in indicating head movement during the execution of a golf swing through utilization of the parallax principle. The training device comprises a target containing member supported upon a base member, the target member having...     

To boresight the laser of a laser designator system to the null point of an automatic television tracker, by selectively causing the laser beam to be retroreflected to the video sensor of the system, which interfaces with a television tracker. The tracker locks onto the retroreflected laser spot, with...     

An optical gauging apparatus is provided for determining the deviation of a pipe end from squareness with respect to the pipe axis. A viewing scope is placed centrally in the pipe end to be measured so as to be directed at right angles thereto, and a graduated target is centrally located in the opposite...     

A system for joining or docking large structures in space under remote, automatic control. As the two structures approach each other, a telescoping rigid boom on one structure is extended toward a socket on the other. The boom mount includes mechanisms providing a multidegree of freedom in pointing the...     

Plumbing devices (10,30,60) are described comprising a source of light in a gimbal system (12,13,51,72) for providing two oppositely directed aligned vertically oriented beams of light. The gimbal system (12,13,51,72) is removably attached to a support (14,31,61). A handle (14a,45,62) is provided for...     

A grade checker for determining the elevation of a grade relative to a pair of reference points spaced apart on opposite sides of the grade. The checker comprises an elongated sighting tube vertically orientable between the reference points and including a pair of inclined, oppositely facing reflecting...     

An alignment sight for hand drills utilizes a pair of sights, preferably a fixed tool, a unitary sheet, for mounting onto the exterior surface of an electrical hand tool of the hand drill variety. The sights are arranged so that the sight line extends perfectly parallel to the longitudinal axis located...     

Hole alignment probes utilizing strain gages spaced 90.degree. apart to indicate the extent and direction of misalignment of holes disposed in substantial alignment.

The present device includes a pair of wires which are located one above the other in a plane that lies parallel and orthogonal to the center lines of a path which a scanning head is going to view, as it travels in a scanning excursion. The wires are held taut and when they are in vertical alignment to...     

A pipe nesting and denesting apparatus is efficiency in transportation of many pipes different in diameters, and said apparatus can operate in a short time nesting work without injuring pipes. Inside the rails of said apparatus, a receiving stand for receiving pipe which is movable up and down is provided,...     

To align pipe mill rollers and the like both vertically and axially, targets are clamped to the rolls. Each target carries a block formed with a hole, which hole is a fixed distance above the surface of the target which engages the edges of a roll. The block is mounted for transverse movement and carries...     

An optical presetter for precision alignment of a tool on a machine turret to be positioned on a lathe or the like. The presetter includes a bale support, a light source, an adjustable carriage, and a viewer with a reference. When a tool is mounted on a turret and the turret is mounted on the carriage...     

The system makes it possible to accurately align the laser emission axis with that of the video image sensor by using a point light source and an associated focusing optical system. External reception is interrupted during the alignment phase. The system tracker measures the errors at X and Y of the...     

A method of aiming or aligning in which two overlapping fields of view fixed with respect to each other are produced, one of which is inverted and reversed with respect to the other and superimposed thereon. Given a target in the overlapping fields of view, movement of the fields of view to cause a given...     

A precision translator for focusing a beam of light on the end of a glass fiber which includes two turning fork-like members rigidly connected to each other. These members have two prongs each with its separation adjusted by a screw, thereby adjusting the orthogonal positioning of a glass fiber attached...     

A device having four engagement points movable along a bore and provided with an optical target or gage adjustable in cross directions normal to the bore axis and a probe mounted for rotation on the gage and engageable with the cylindrical surface of the bore for determining concentricity of the gage...     

A boat keel tool which is designed to check the alignment of a keel with the center line of a boat and simultaneously measure and check the cross sectional surface of a boat keel from the lead edge of the keel to the trailing edge of the keel.

Adjustable-caliber rod apparatus for testing and adjusting weapon barrels. The rod is used for representing the barrel bore axis in conjunction with, e.g., a sight-line testing device for adjusting sights. The rod has two three-point supports, two support points of which are pressed against the inner...     

An alignment strut for use in constructing prefabricated walls comprises a reusable sheet metal strut having an interior pocket accommodating a lumber two by four which serves as a splice bar between adjacent struts and as a brace anchor point. Each strut is provided with means for suspending it on the...     

Apparatuses and processes for detecting misalignments between various portions of a deformable body, such as an aircraft, are disclosed. Orientation detection devices, such as potentiometric vertical indicators and gyros, are provided at a master module disposed at a predetermined location on the structure...     

A viscous dampened sensitive pendulum carries a generally upwardly directed light source for indicating the gravity vertical. The sensitive pendulum is carried for two degrees of pivotal freedom by flexural pivots which are biased for operation at an error free or hysteresis free zero spring rate for...     

A plumbing apparatus including a circular spirit level attached to a straight edge body adapted to carry a reference point vertically wherein the level is large enough to span a hole in the floor with marking guides on the periphery to fix lines that pass through a central axis of the level with a rod...     

A device for locating a wheel and tire rim assembly on a right angular plane to the axis of a vehicle's axle by aligning the optical projection from a light source supported on the wheel or tire rim assembly to a remote target with a movable indicator positioned thereon.

A trailer hitch guide for assisting the operator of a towing vehicle in positioning the trailer hitch components in cooperative coupling relation includes a translucent light beam receiving target member mounted on the towing vehicle for interrupting light beams from a lamp mounted on the trailer tongue....     

A target plate is provided in the operating field of view of a microscopic operating system having a plurality of target patterns thereon. These target patterns include scaled rulings, to which an operating element of the system is aligned, and reflective portions for calibrating the optical elements...     

A detector for checking the symmetry of a helicopter rotor while it is rotating has a scanner (11) which scans vertically a field of view (15) and the view is interrupted by a vertical strip on the blade tip (16). A slot (18) in the strip gives a characteristic signal as at (L.sub.2). The position of...     

An articulated arm for conducting the beam of a laser to a point of utilization which moves relative to the laser. In the preferred embodiment the articulated arm is supported in a generally vertically depending manner from a stationary laser. The articulated arm terminates in a focusing clamp assembly...     

A chain alignment tool to assist the alignment of a chain sprocket with respect to its chain. The tool is placed over a sprocket at a point where its chain tangentially contacts the sprocket. The tool is tightened against the sprocket and becomes aligned with the sprocket. The tool has an attached pointer...     

A bar for temporarily securing to the housing of a construction laser so as to be able to measure accurately off to one side so that a plumb line can be established when there is an obstruction above the laser housing. The bar has means for a quick disconnect fitting on the handle of the laser.

Apparatus for projecting a laser beam to provide simultaneously a stationary reference beam and a moving reference beam, which rotates in a plane normal to the stationary reference beam, includes a beam diverting arrangement for intercepting a primary beam and for splitting the beam into the two reference...     

A method and apparatus (10) employed to give the operator of excavating equipment a quick and accurate visual indication of the amount of excavation reguired to attain a desired grade level; wherein, the apparatus (10) comprises: a laser unit (11); a representative pipe section (12); a centerline target...     

A cylindrical alignment housing is fixed to a housing of one of two axially aligned items of equipment. A cylindrical bearing housing is concentrically positioned around the cylindrical alignment housing, such that the cylindrical bearing housing is rotatably supported at a given position on the cylindrical...     

A method, and a device for practicing the method, for marking the configuration of a vehicle-mounted mirror which has initially been set to a desired perspective, thus enabling a single, unaided person within reach of a misaligned mirror to quickly and reliably readjust it to reproduce the previously...     

A device for visually identifying the bisector of an angle, curve, line or space between two points and for visually identifying any point or points along the bisector. The device includes a base, a first arm, a second arm, an indexing assembly, at least two connection assemblies, and a sight. The first...     

An external axis parallel alignment sytem is provided for monitoring and adjusting the alignment of conduits employed to form substantially vertically disposed pipe strings prior to joining a conduit to a previously installed conduit so that the conduits are aligned and have a common central axis extending...     

A caliber bar for locating the centerline of the bore at the muzzle of a gun including a frame, first and second trunnion housings axially mounted on the frame, each of the trunnion housings pivotally mounting three centering arms circumferentially spaced at 120.degree. from each other for contacting...     

A sighting instrument, particularly for surgical purposes, comprising a handle, a tool socket and a direction finder which may be held between a radiation source and a radiation receiver, the position of which can be represented visibly by means of an image converter, allowing continuous adjustment of...     

A golf green indication means is set forth for visual reflection of a golf green surface and visually illustrate slope and obstructions associated in the path of a ball proximate a putting hole. A reflective lens is fastened to a housing to present an acute angle of approximately 45 degrees relative...     

A tool for checking the alignment of bicycle frames includes threaded sleeves for threading into the bottom bracket shell of the bicycle frame, and a gauge bar adapted to be held in contact with the sleeve. The sleeve and the gauge bar have precisely machined engagement surfaces so that when assembled...     

Alignment apparatus for use in conjunction with other equipment for alignment rolls on processing equipment comprising a housing having a central longitudinal axis and a coaxial central bore having a generally cylindrical inner surface and a plug having a generally cylindrical outer surface dimensioned...     

A system for monitoring changes in shape of a structure employs a laser source attached to the structure and a set of beam splitters mounted at various locations on the structure and arranged to route portions of a laser beam produced by the laser source into various video cameras also mounted on the...     

An surveying apparatus for a route survey including a laser oscillator incorporated in a subjective cylinder and adapted to direct a laser beam onto a target disposed in an objective cylinder to form a laser spot on the target so as to enable the curvature of a route to be measured by analyzing deviation...     

Apparatus for providing automatic alignment of beam devices having an associated structure for directing, collimating, focusing, reflecting, or otherwise modifying the main beam. A reference laser is attached to the structure enclosing the main beam producing apparatus and produces a reference beam substantially...     

A precision optical square instrument for accurately determining lines and planes respectively perpendicular to reference lines and planes comprising, a substantially hollow housing containing first and second reflectors arranged at different vertical positions for viewing first and second marker positions...     

A visual alignment system is disclosed for use in golf clubs, especially putters, which allows for easy and rapid alignment of the golf club with the invisible line for the ball to travel. An indicia is placed on the top surface of the club, at a right angle to the club face at the point of impact, and...     

There is described a navigation aid for use in sailing vessels. The navigation aid comprising a casing having at least one side wall, the side wall having an aperture, and at least one end wall, the end wall also having an aperture. The casing encloses at least one reflective surface such as a mirror...     

There is provided a device for aligning and preliminarily supporting conduit and pipe along a predetermined rectilinear axis, with such device including a base member, an upstanding standard attached adjacent its lower end to the base, and a jack sleeve adjustably attached to the standard. A locking...     

The radial arm strike rail assembly is a system for measurement of bearings, directions, and stereophotography for geologic mapping, particularly where magnetic compasses are not appropriate. The radial arm, pivoting around a shaft axis, provides a reference direction determination for geologic mapping...     

An apparatus is set forth for providing vertical alignment and indication of a fixture positioning within a dwelling relative to a floor plan reference point, wherein the apparatus includes a laser oscillator mounted within a lower first housing coaxially aligned through a second and third upper coaxially...     

Pairs of level sensing devices are used in a method that aligns plane surfaces to one another. One of the pairs of level sensing devices is located on each of the plane surfaces. The level sensing devices of each pair are aligned and positioned parallel to two orthogonal axes of the plane. The output...     

A visual aid to assist a driver in maneuvering a towing vehicle toward a trailer or other vehicle to be towed for precisely aligning the hitch components of the two vehicles. The device mounts only to the towed vehicle and includes an integral bumper member to protect the vehicles should the driver back...     

A hitch alignment device for aligning a hitch coupling of a wheeled towing vehicle with a mating hitch coupling of a towed vehicle, comprising an elongated base member and a cross member projecting sidewardly therefrom, the base and cross member having ground engaging surfaces and each having an upwardly...     

Toe adjustment apparatus for an alignment machine includes wheel position and body height sensors for providing input to a controller, and a power wrench carried by an adjustment mechanism for engaging and adjusting the vehicle tie rod under control of the controller. Power operated multi-axis actuators...     

An optical drill guide and a drill guide support for electric hand drills. The drill guide consists of a front sight aperture framed with a light color and a rear sight aperture formed by a translucent ring. The line of sight through the guide is arranged to be aligned with the longitudinal axis of the...     

A golfing instrument that allows two dissimilar objects, one object presented to the right eye, and the second object presented to the left eye to be seen simultaneously by the golfer, which allows the golfer to align the intended target that the golf ball will travel to be aligned perpendicular to a...     

A combination down marker and football position determining device for use by football game officials to indicate the down of play and the location of the football relative to the sideline of the football field. A compound prism member mounted within the marker rod allows quick and accurate position...     

A plumb bob support adapted for use by pipe fitters by which the plumb bob can be quickly and accurately suspended from a pipe or similar cylindrical object with the plumb bob being aligned with the center of the pipe thereby enabling the plumb bob to accurately indicate a center point of the pipe on...     

A guide to aid in attaching a vehicle to a trailer. A hitch guide is comprised of a cross member 20, a forward member 30 adjustably attached to cross member 20 mounted substantially perpendicular to cross member 20. Forward member 30 has a second cross member 40 adjustably attached thereto. Second cross...     

A centerline sight apparatus includes a housing mounted on the forward end of a tractor with a sight arm operably mounted in the housing for transverse movement with respect to the longitudinal axis of the tractor. A second sight arm is operably mounted below the first sight arm and moves parallel to...     

A shield tunnelling apparatus is provided that includes a first tubular shield body in which a cutter assembly for excavation and a drive mechanism for driving the cutter assembly are disposed; a second shield body connected to the rear of the first shield body so as to have a common axis therewith;...     

A device is disclosed for accurately and precisely locating specific points on ceilings or, alternatively, on the the same horizontal plane. A light emitting means, a pendulum, a support, and two cylindrical rods act in concert to provide a light beam that is always plumb or always horizontally level.

The present invention relates to projected light plumb device generally utilized in vertically aligning a floor position with a corresponding ceiling position in which a light projecting device is buoyantly supported within a fluid filled container. The light projecting device is selectively mounted...     

An improved parking guide comprising a free-standing, portable base having a support member projecting vertically upward from the base and carrying a position display board mounted adjacent the upper end of the support member, a pointer rotatably mounted on a pulley mounted on the support member adjacent...     

A method is disclosed for accurately aligning a shaft in a hole. One application is disclosed for aligning electromagnetic reflectors. An accurately positioned front surface targeted mirror on a predefined reflector axis is used with a reflected laser beam, optical auto-collimation or auto-reflection...     

A deflection indicating adjustable highway straight-edge. The highway straight-edge is designed to effectively level wet concrete by allowing the user to determine when the device is not straight and provides the user with a means of controlled adjustment for straightening. In the preferred embodiment,...     

A device and method for determining alignment accuracy between magnetoresistive elements and contacts of magnetoresistive heads formed on a wafer are disclosed. A first alignment test structure is defined using a first photomask. The first alignment test structure is formed from a first material having...     

A self-centering bore arbor device is disclosed which is self-aligning when inserted into the barrel of a shotgun and to which can be mounted a bore scope in a parallax relation with the central axis of the gun barrel. The self-centering property of this device is produced by a single source of pressure...     

The apparatus of the invention is arranged to include facing table members, each having first and second pivotally mounted table plates relative to each table member to accommodate orientation of the tables with leveling and compass structure mounted to each table to enhance alignment. A sighting structure...     

The inspection aid 10 disclosed and claimed herein is characterized by a shape-mutable, radiographically non-absorptive appliance which includes an individual upper 28 and pair of lower 30 and 32 pins arranged in adjacent, right triangle relation and inserted transversely through either side of the appliance....     

A target is provided for attachment to a milled locator surface on a machine or to a fixture carrying a part to be machined. A plurality of spaced targets may be used to establish a datum plane. The target has an outer planar flat surface to be engaged by an indicator or used with a laser positioner...     

A firearms sight alignment system is provided which allows for the use of a collimated beam light source attached to a housing which binds the light beam with the direction of a firearm barrel. This light source thus provides a point at which to adjust the sighting apparatus of the firearm while the...     

A laser plumb bob uses a conventional blumb bob body, hollowed to include a laser device therein. The laser device is affixed within the plumb bob body to preclude relative movement therebetween, to ensure accuracy for the device. With the use of a laser to provide a plumb line of coherent light which...     

The invention relates to an apparatus for positioning flexible printing plates comprising at least two markings on a printing cylinder, a support device for the printing cylinder, a projection device for projecting reference marks on the printing cylinder at a location where the markings will have to...     

A measurement referencing and transferring technique includes locating a platform base at a working location, mounting a sighting mechanism having a sighting axis on the platform base, and sighting a selected point on a first object in a given direction from the platform base by adjusting the position...     

In a projected light plumb device which is buoyantly supported within a fluid-filled container on a float platform which is horizontally supported by the fluid, an improvement wherein the float platform is inclined upwardly from its outer diameter to its inner diameter on its lower surface which rests...     

A device for leveling and squaring which includes a level body having a spirit vial or electronic inclinometer, wherein a battery powered laser module assembly is rotatably mounted in one end of the level body for emitting a visible laser beam therefrom. The level body contains a transparent window which...     

A self leveling laser plumb assembly having a battery powered laser unit, a laser unit mounting support, and at least three support legs secured to the bottom of a gimbal ring assembly. The top end of the laser unit mounting support removably receives the laser beam unit. The laser unit mounting support...     

A reticle which can detect precisely an error in reticle rotation. A first main vernier is formed at an outer side of the right end of the unit field and a sub vernier is formed at the left end. A second main vernier is formed at the outer side of the upper end of the unit field, and a sub vernier is...     

Alignment system and method for use by pipefitters. A portable hand tool having the appearances of a flashlight and the capability of projecting a collimated, coherent or otherwise directed, highly focused and narrow light beam is provided a multiply threaded end opposite the end of light emanation,...     

A laser beam level which comprises a base, a support structure and a laser beam emitting assembly, the emitting assembly including a device for emitting a laser beam in a vertical Z plane and the emitting assembly being mounted in the support structure such that it is pivotable in both the X and Y horizontal...     

An alignment fixture and method including a support base, mounting brackets for supporting a part in a fixed position on the base, first and second laser transmitters mounted on the base and oriented in a fixed position relative to the part for projecting laser beams defining intersecting registration...     

A wheel aligner comprises a communications unit attachable to the conventional heads and the console to provide for cordless communication of information between the heads and the console in the absence of cables.

A method and apparatus for aligning individual sections of pipe includes directing a beam of collimated light in the general direction of the pipeline and scanning the beam laterally. A target, having a retro reflective portion, is positioned in a location that will be traversed by the scanning beam....     

A laser plumb device (10) comprising a facility (12) for emitting two narrow light beams (A) and (B) in which the light beams (A) and (B) are opposite and aligned to each other. A structure (14) is for supporting the light emitting facility (12) in a vertical position. When the supporting structure (14)...     

A vehicle mounted backing distance gauge is provided, in which a plunger, normally biased to an extended position, extends approximately ten inches behind the vehicle, and as the vehicle is backed toward an object such as a loading dock, the plunger comes into contact with the object and retracts into...     

A housing having a base having a cavity within which a temperature scanner module may be mounted and which is readily clamped to a rail of a railroad track so that a scanner may detect an over-heated wheel or wheel bearing. The base includes a rail clamp support portion for extending beneath the rail....