Match Document Document Title
5685082 Adjustable grade stick and method of using same  
An adjustable grade stick and method of using the same are used to identify a reference line. The grade stick has a shaft that is adjustable along its length. In a preferred embodiment, the shaft...
5684578 Laser alignment head for use in shaft alignment  
The specification discloses a laser alignment head system for taking alignment data with respect to a pair of coupled shafts. Each alignment head includes a laser, a laser sensor for sensing a...
5680706 Trailer hitch alignment device  
A device is provided for alignment of a trailer and a towing vehicle which consists of a visible mast placed on the trailer tongue to allow the towing vehicle driver to view the mast and to easily...
5673492 Perspective drawing alignment apparatus  
The invention consists of a focused light beam source mounted on a straight-edge, which is aligned to an off-drawing vanishing point target reference, to sketch object lines in a manner which...
5660470 Rail mounted scanner  
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...
5644850 Laser plumb device  
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...
5621975 Remotely controlled self-leveling laser instrument with modular capability  
A system for use in construction or similar activities, for layout of points or lines using a projected laser beam includes a remotely controlled turntable unit having a rotatable turntable for...
5621531 Self-aligning sewer pipe laser  
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,...
5617202 Diode laser co-linear and intersecting light beam generator  
Efficient and cost-effective generation of two co-linear laser beams or two or more intersecting beams, for the purpose of alignment as in the construction industry, takes advantage of the unequal...
5592383 Wheel aligner cordless communications unit  
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...
5588216 Gas tank graphic positioning fixture  
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...
5579716 Device for indicating the position of a tractor with respect to a crop row or planter mark  
A device for indicating the relative position of a tractor with respect to a crop row or planter mark including a vertically disposed, hollow support post secured to the forward end of the tractor...
5579585 Free axis alignment apparatus and method for use  
An apparatus that projects the horizontal and vertical axis of an object to be aligned for ready sighting by survey instruments is disclosed. The device consists of a v-frame with a rotatable head...
5576826 Alignment laser with over-flooded aperture system and dual-mode self-centering target  
A device for aligning and measuring a hollow, rotatable bore includes a laser beam source within a housing having an aperture in its front face for passing the beam. The housing is mounted at one...
5572797 Improved optical plumb and leveling apparatus  
An apparatus for performing plumb and level functions includes a base unit that can be leveled in a horizontal plane. A detachable socket with a bearing surface rotates about a complementary...
5572796 Laser beam pendular level  
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...
5572318 Lead pipe configuration for underground pipe laying  
A lead pipe configuration for use in an underground piping device wherein a succession of lead pipes are propelled in a forward direction to guide pipeline lay down are provided with ring-shaped...
5557855 Reticle  
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...
5539994 Screw gun and tape measure device  
A screw gun is typically employed in the mounting of plasterboard to building studs includes a tape housing having a central tubular opening directed coaxially thereof for mounting upon the screw...
5539990 Three-dimensional optical levelling, plumbing and angle-calibrating instrument  
An optical levelling, plumbing and angle-calibrating instrument includes: a frame; a plumb body universally pendulously mounted on the frame and defining a vertical plumb line gravitationally; at...
5537205 Self leveling laser plumb assembly  
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...
5531031 Laser level and square  
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...
5509209 Laser plumbing device  
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...
5507097 Apparatus for measuring the accuracy of parallel platen tie bars  
A laser apparatus for inspecting machine tie bars. The apparatus broadly comprises a laser emitter, a photocell target, a control unit, a computer, a display unit and precision adapters for...
5505000 Battery powered laser and mount system  
A laser and laser mount system for a vehicle measurement system wherein the laser is powered by a direct current source, such as a battery, and the laser is mounted on the same axis as its...
5504999 Method and apparatus for compensating for process variations in an automatic positioning system  
A target for use in automatic positioning systems that allows the automatic positioning system to align an edge in the pattern laid down with the target on a substrate with an edge in the pattern...
5500524 Diode laser co-linear light beam generator  
The present invention relates to the efficient and cost-effective generation of two co-linear laser beams for the purpose of alignment, particularly in the construction industry. The unequal...
5491555 Measurement referencing and transferring instrument  
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...
5488781 Positioning apparatus for printing plates  
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...
5481809 Laser plumb bob and apparatus  
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,...
5465493 Pipe alignment apparatus and method using green light  
A pipe alignment system and method is provided for positioning a pipe line along a predetermined path. A light transmitter generates a reference light beam along which the pipe line is to be...
5461793 Self centering pipe axis laser guide  
An improved self centering guide pipe axis laser guide is based on the use of three parallel links spaced 120 degrees apart which are engaged to be expanded or contracted. When expanded the links...
5444915 Link system  
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....
5446535 Firearm non-firing sight alignment system  
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....
5442860 Portable reticle alingment device for firearms  
A device for aiding in the cross-hair alignment of the reticle of a gun-mounted telescopic sight wherein the gun includes at least one mounting boss for securing the telescopic sight. The device...
5437104 Laser sight mounting device for mounting a laser sight on the flash attachment of a camera  
A laser sight mounting device including a mounting block, which has a mounting foot at the bottom for fastening to the flash attachment of a camera, a flash attachment at the top for mounting an...
5430539 Method and arrangement for checking alignment of body axes for parallelism  
A method is proposed for checking the alignment of body axes for parallelism, which method can be carried out in simple manner with low effort in auxiliary apparatus means and yet delivers highly...
5426507 Laser-based pipe alignment device and method  
A pipe alignment device and method is provided for efficiently generating an air flow in sections of pipe such that the sections of pipe may be aligned along a prepositioned reference laser beam...
5410815 Automatic player identification small arms laser alignment system  
A fixture automatically aligns a laser transmitter bolted to a rifle. A case is horizontally oriented and a hinged end cover is swung upwardly to reveal a control unit. The barrel of the rifle is...
5402577 Radiographic inspection aid  
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...
5400514 Laser instrument for tracing reference lines and other geometric figures  
Various devices are disclosed for projecting a beam of coherent collimated light at a surface for use as reference lines and planes. The devices are also useful for projecting tracings of light in...
5402226 Survey apparatus  
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...
5396708 Gun bore arbor  
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...
5390420 MR element-to-contact alignment test structure  
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...
5302207 Line striper apparatus with optical sighting means  
A line striper with optical sighting means, and guide line marking devices adapted to be used simultaneously with the application of a paint stripe. The line striper has a forward extending guide...
5272814 Device for defining a horizontal plane  
A device for defining a plane to determine relative elevations comprising in combination a stationary housing (7) having an aperture (8) and locating a pair of vertical reflecting surfaces (6) at...
5248217 Process for forming notches in an irrigation lateral  
A process for forming notched irrigation laterals uses a construction laser adapted to propagate radiation along a planar path, and a device that both detects the radiation and is used to manually...
5233761 Method and apparatus for the alignment of several, machine units arranged in series  
A method for aligning at least one machine unit (36) on a base (42) comprises the steps of installing alignment markers (28) on the parts (12, 14) of a machine unit (36) to be aligned, and...
5234281 Deflection indicating adjustable highway straight-edge  
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...
5223909 High frequency reflector alignment method  
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...