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5212889 |
Plumb device to determine verticals and horizontals
A plumb device includes a direction determination unit suspended on an upper, movable, convexed portion of a universal joint. A lower, fixed, concaved portion of the movable joint is rigidly...
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5207003 |
Target and system for three-dimensionally measuring position and attitude using said target
A target employable for three-dimensionally measuring a position and an attitude occupied by an object such as a space craft or the like while the target is attached to the object as well as a...
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5191328 |
Trailer hitching aid and method using reception delay of different velocity signals
A trailer hitching aid includes a dual transmitter mounted on the forward end of a trailer or other vehicle to be towed and arranged to transmit pulses of infrared light and pulses of ultrasonic...
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5189802 |
Vehicle parking guide
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...
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5184406 |
Projected light plumb device
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...
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5163229 |
Plumb and horizontal locating device
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...
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5156490 |
Shield tunnelling apparatus
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...
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5146686 |
Variable centerline sight
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...
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5115572 |
Trailer hitch guide
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...
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5084980 |
Laser alignment system for well equipment
A laser beam is used to align instruments, directional core barrel assemblies or other directional equipment before the assemblies are run into wells. A low power laser and special means for...
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5074509 |
Plumb bob support
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...
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5067245 |
Instant placement down rod
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...
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5056233 |
Method and apparatus for measuring cross-toe
A wheel alignment system uses head units attached to each of the four wheels of an automotive vehicle. Angle measurements are taken using light sources and light sensors. Pitch sensors measure the...
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5052114 |
Golfers optical alignment instrument
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...
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5052112 |
Drill guide and support therefor
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...
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5040302 |
Hitch alignment means
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...
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5040303 |
Toe adjustment method and apparatus
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...
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5035441 |
Trailer hitch alignment device
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...
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5031330 |
Electronic boresight
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...
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5012585 |
Laser plumb-bob apparatus
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...
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5013317 |
Medical drill assembly transparent to X-rays and targeting drill bit
A medical drill or pin adapter which is X-ray transparent for aligning a drill bit or pin with an internal line of sight during a surgical procedure utilizes gears mounted within a housing. A drive...
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5007175 |
System for materializing a point in space, applications thereof and a tooling assembly for said system
A system is disclosed for materializing in space a point whose coordinates in a system of reference axes are known, comprising: an optical aiming apparatus, occupying a pre-determined position with...
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4996547 |
Radial arm strike rail
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...
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4993160 |
Pipe alignment device and method
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...
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4984371 |
Chain saw log gauge for obtaining firewood logs of uniform length
A log gauge for a chain saw is provided which enables an operator to repeatedly cut approximately equal lengths of firewood logs with only a minimal amount of effort being required to visually...
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4976039 |
Navigation aid
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,...
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4973155 |
Method of aiming adjustment for headlights of automotive vehicles
A method of aiming adjustment for headlight of automotive vehicles, which is joined with a turning test of wheels for obtaining relationship between steering wheel angles and wheel turning angles,...
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4941263 |
System for aiding a driver's depth perception
An optical system for aiding the driver of a vehicle in judging the proximity of the forward end of the vehicle to an object directly in front of the vehicle, particularly when parking close to a...
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4928971 |
Alignment system
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...
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4926563 |
Theodolite target adaptor and method of use
An improved adaptor capable of coupling a theodolite target with respect to an aperture extending through tooling, the adaptor comprising a cylindrical disk having an exterior surface of a size to...
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4908948 |
Precision optical square instrument
A precision optical square instrument for accurately determining lines and planes respectively perpendicular to reference lines and planes comprising, a substantially hollow housing containing...
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4907881 |
Precision alignment device
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...
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4904081 |
Surveying apparatus
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...
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4899457 |
Vehicle frame measuring bridge including spring actuated telescoping legs
A measuring bridge including extensible legs supporting the measuring bridge into position beneath a vehicle. The extensible legs each include a compression spring for upward movement into...
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4889425 |
Laser alignment system
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...
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4879815 |
Alignment apparatus
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...
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4878296 |
Apparatus and method for locating the axis of symmetry (center of circular cross section) of three dimensional objects
An apparatus and method for locating the vertical axis of symmetry of a sace of horizontal circular cross-section. The apparatus has a plumb structure that establishes a vertical line of sight, and...
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4868993 |
Bicycle frame alignment tool
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...
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4845856 |
Method and apparatus for aligning equipment on board a carrier vehicle and particularly on board an aircraft
A method for aligning pieces of equipment on board a vehicle, particularly on board an aircraft is disclosed. The method assumes the use of at least one computer on board the vehicle working in...
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4844681 |
Load-transferring device, in particular for rapidly transferring palletized loads
A load transfer device for palletized loads including a superstructure supporting a movable assembly having a plurality of teeth, and a lifting assembly associated with the teeth to provide for...
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4839968 |
Golf green viewing apparatus
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...
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4835714 |
Wheel alignment control system for vehicles
A wheel alignment control system for a vehicle having at least one pair of rear road wheels opposing each other in the transverse direction of the vehicle, for changing and setting a wheel...
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4825258 |
Device for bore alignment of gun sights
An apparatus to enable accurate sight adjustment of rifles consisting of a mounting assembly formed as a body of revolution and having a head portion, a mandrel portion and a cylinder portion...
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4817293 |
Method for axial alignment of an assembly for implanting a parietal probe in a reducing-smelting furnace, and associated implanting assembly
This method for axially aligning an assembly for implanting a parietal probe through an orifice provided in the wall of a reducing-smelting furnace is applicable to an assembly comprising a...
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4803976 |
Sighting instrument
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...
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4796362 |
Combined centerline target and grade checker apparatus
A combined centerline target and grade checker apparatus (10) for use in aligning the centerline of a pipe segment (200) and checking the grade of a pipe trench (1), wherein the apparatus (10)...
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4791715 |
Method and apparatus for assembly of cassette pulley
A cassette pulley is assembled from a flange part having three assembly pins which are received in corresponding holes of a hub part. The hub part has a number of reinforcing ribs which divide the...
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4773164 |
Self-aligning caliber bar
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...
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4764010 |
Method for aligning the axis of a second bracket relative to the axis of a first bracket on a testing or processing machine
On a testing or processing machine the axis of a second bracket is to be ctly aligned relative to the axis of a first bracket. For this purpose a laser is mounted on the first bracket which directs...
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4747454 |
External axis parallel alignment system
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...
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