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3873823 Alignment indicating beacon  
A beacon is described which can be quickly and easily mounted upon or demounted from the telescope of a surveyor's transit. It projects a pattern of energy into a region of space in such a way as...
3868778 VISUAL APPROACH AND LANDING SYSTEM FOR AIRCRAFT  
A ground mounted indicator system for guiding the landing approach of aircraft to a runway. One or more indicator arrangements are directly viewed by the pilot while approaching the runay. Each...
3863356 METHOD AND APPARATUS FOR CHECKING GUIDE-ROLL ALIGNMENT IN A CONTINUOUS-CASTING MACHINE  
A method and apparatus for checking the vertical and rotational alignment of guide rolls of a continuous-casting machine with respect to one another and with respect to a mold thereabove. Apparatus...
3858327 SELF-CENTERING SIGHTING MARK  
A self-centering contactless sighting mark is provided with means for forming an air cushion between the mark and the wall of a cylindrical hole. The center of the circular cross section of the...
3852888 ROLL LEVEL CHECKING DEVICE  
A device for simultaneously sensing more than one point on a surface whose slope is to be measured, using a conventional sighting device, whereby the operator can obtain, in one reading, the...
3827156 METHOD AND APPARATUS FOR LAYING A PIPELINE  
This disclosure relates to a method and apparatus for laying a pipeline in which the pipes are aligned along a preselected path with a collimated light beam, preferably according to the method of...
3827155 METHOD AND APPARATUS FOR LAYING A PIPLINE  
This disclosure describes a method and apparatus for laying a pipeline in which the pipes are aligned along a preselected path with a collimated light beam, preferably according to the methods of...
3824666 APPARATUS FOR INSTALLING CEILINGS  
A device which emits a rotating beam of collimated light, preferably a laser source assembly, is mounted at a level which has a predetermined relationship to the level desired for a suspended...
3822478 WHEEL CENTERING DEVICE  
A device for centering one wheel rim with respect to another in dual wheel arrangements for automotive vehicles. A mounting structure, having means for application to a wheel rim, supports a...
3816935 INTEGRATED ALIGNMENT SYSTEM  
Platform and method for aligning the same for various aircraft orientation systems, such as inertial navigation, weather radar, flux gate compsss, etc. by integrated alignment, which is achieved by...
3815250 TARGET SYSTEM FOR LAYING SEWER PIPES  
This disclosure relates to an adjustable target for use in aligning pipes with a laser beam or other similar collimated light beam which is projected axially with the pipe. The target has a base...
3807050 THREE-DIMENSIONAL PROTRACTOR  
A three-dimensional protractor for determining two angular dimensions and one linear dimension for an angular member having one leg attached to a first point and a second leg extending axially...
3793739 PROCESS FOR INSTALLING BASE-MOUNTED MACHINERY SUBJECT TO MISALIGNMENT  
A machinery base carrying several rotating components is aligned on a factory foundation, prior to shipment to an installation site foundation. At the installation site, the original factory...
3782158 APPARATUS AND METHOD FOR ALIGNING ROLLER ENTRY GUIDES IN A ROLLING MILL  
An optical device of the type which may be focused along an observed centerline is employed to accurately align roller entry guides in a rolling mill. The optical device is temporarily mounted at a...
3775929 METHOD FOR INSTALLING CEILINGS  
A device which emits a rotating beam of collimated light, preferably a laser source assembly, is mounted at a level which has a predetermined relationship to the level desired for a suspended...
3771876 PRODUCING A PLANE OR CONICAL OPTICAL REFERENCE SURFACE  
Apparatus for producing a plane or conical optical reference surface by deflection of a primary light beam provided by a light source, with a beam being deflected by a rotatable light deflecting...
3752587 APPARATUS FOR BORESIGHTING A LASER BEAM EMITTER DEVICE  
A system for boresighting or aligning the optical axes of a combined infrared laser beam emitter and a low light level television telescope. An optical switch is located in the system where the...
3748041 LASER BEAM ATTITUDE CONTROL DEVICE  
A mirror operatively connected between a frame and a plumb mechanism so that any angular displacement, through an angle of 2θ, of the frame relative to the plumb effects a corresponding angular...
3734627 LASER BORESIGHT KIT AND METHOD OF ALIGNMENT  
Apparatus for accurately aligning aircraft guns using a laser. In one insce a laser is mounted in a gun barrel and a laser beam is used to locate a reference point used in determining the...
3728027 PORTABLE MAGNETIC BORING MACHINE HAVING LIGHT BEAM CENTERING DEVICE  
Portable apparatus for centering a boring machine by indicating a position to be perforated by means of projected light, the drill being aligned with the projected light. The apparatus is located...
3713746 GUIDING APPARATUS FOR CONTROLLING RECTILINEARLY MOVABLE PART OF A MACHINE TOOL  
Guiding apparatus for controlling the movement of a rectilinear movable part in a machine tool. The part is guided by reference to a stationary beam of light. Part is mounted in sliding contact...
3708232 OPTICAL READ-OUT MEANS FOR LOCATING AND POSITIONING OBJECTS WITH RESPECT TO A LASER BEAM REFERENCE  
A passive optical read-out device is provided for locating and positioning objects with respect to a fixed laser beam established in space as a parametric guideline. A plurality of fiber optic...
3707330 LIGHT BEAM GUIDING DEVICE  
A light beam guiding device for a tunneling machine includes a light source for emitting a beam of light, a first target, and a second target. The first target includes means for passing a light...
3704522 METHOD AND APPARATUS FOR OPTICAL ALIGNMENT OF INDUSTRIAL EQUIPMENT  
A method and apparatus for aligning kinematic trains of industrial apparatus by optical metrology, the method including the steps of establishing a reference line of sight adjacent the devices in...
3684383 DEVICE FOR PARTICULARLY CONTINUOUS CHECKING AND/OR INDICATION OF CURVATURES ARISING IN GUN BARRELS  
A device for sensing for a curvature in a gun barrel, comprising a reflector fixedly mounted near the muzzle of the gun and a source of light and detector means fixedly mounted near the rear...
3651578 BOW CHECKING AND CALIBRATING DEVICE  
A bow square for checking and recording the bracing height, nocking point, and locations for a kisser and peep sight of an archery bow. The device comprises an elongated plate provided with a...
3652166 GEODETIC SIGHTING INSTRUMENT  
Geodetic sighting instrument with a gas laser light source and beaming, sighting and observation systems; the optical axis of said gas laser is arranged in a way free to rotate about a vertical...
3646838 METHOD OF MACHINING CYLINDRICAL SHELLS  
The faces or heads of large cylindrical vessels or shells are machined so that their surfaces are precisely parallel and have a common centerline. For example, ball mill or rod mill shells too...
3635108 LASER-GUIDED BORING TOOL FOR DEEP HOLE BORING  
A boring tool is provided with a centering detector onto which a laser beam s directed. Deviation of the boring tool is detected and fed to a control unit and servo device which operates a pair of...
3631601 METHOD AND APPARATUS FOR LAYING PIPE  
A laser beam projector is used to set a series of pipe sections in place along a predetermined line and grade by mounting the projector inside of a first pipe section preset on the desired line and...
3619069 OPTICAL ALIGNMENT METHOD AND MEANS UTILIZING COORDINATED LASER BEAMS AND LASER BEAM COORDINATING MEANS FOR SAME  
A laser projection device is provided which includes a tubular housing having a lasing chamber and symmetrically disposed optics at each end of the housing and chamber, effecting propagation of...
3612949 LASER BORESIGHT DEVICE  
A boresight alignment instrument having a helium-neon gas laser mounted on an alignment mandrel which fits into the gun barrel. A 45° mirror directs the laser beam along a line concentric with the...
3612700 LASER BEAM REFERENCE LINE MEANS AND METHOD  
The invention comprises means and a method for establishing a reference line for construction purposes in the form of a energy beam or signal, such as a visible light beam, and preferably, a laser...
3600987 APPARATUS FOR COMPENSATING FOR DEVIATIONS IN THE STRAIGHTNESS OF THE BED OF A MACHINE TOOL  
An apparatus for compensating for deviations in the straightness of the bed of a machine tool including a laser means providing the reference of straightness. A laser transmitter directs a laser...
3599336 PIPE TARGET SYSTEM AND METHOD FOR ALIGNING PIPES AND THE LIKE WITH LASER BEAMS  
Target structures and a system and method for aligning pipe sections to a laser beam with same are provided which are substantially universally adaptable to position a reference index at the...
3596362 SURFACE MEASURING APPARATUS  
The profile of a surface is tested automatically by directing a parallel reference beam of light substantially parallel to the surface on to beam displacement means, such as a reflecting prism,...
3589014 SURVEYING INSTRUMENTS  
A surveying instrument having two separable elements which can be disposed relative to other structures and manipulated to ascertain and adjust the orientation of such structures. A mirror having a...
3580211 METHOD OF SHAFT ALIGNMENT OF A MAIN ENGINE SHAFT IN SHIPBUILDING  
A method of aligning the shaft of a main engine with the centerline of the propeller shaft in which the main bearing pins of the crankshaft are made hollow to permit sighting through the crankshaft...
3548504 SIGHTING DEVICE FOR ESTABLISHING A LINE OF SIGHT  
3546778 MENSURATION RETICLES FOR TUBE MAGNIFIERS  
3542463 TRANSPARENCY POSITIONER FOR PROJECTOR STAGE  
3538610 LIP SFAL R-VALUE GAUGE  
3533700 OPTICAL ALIGNMENT METHODS AND MEANS UTILIZING COORDINATED LASER BEAMS AND LASER BEAM COORDINATING MEANS FOR SAME  
3517445 OPTO-MECHANICAL ALIGNMENT APPARATUS  
3488854 GRADE SETTING AND LEVELING DEVICE  
3487553 VTOL AIRCRAFT FLIGHT SYSTEM  
3484136 ALIGNMENT METHOD AND APPARATUS FOR MOBILE STRUCTURE  
3477786 CAMERA ALIGNING INSTRUMENT  
3473877 INSTRUMENT FOR EVALUATING CREASE PERFORMANCE IN FLEXIBLE MATERIALS  
3462845 APPARATUS FOR MAINTAINING AN ELEVATION