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Geometrical Instruments > Straight-line Light Ray Type > Alignment Device Alignment DeviceAlignment Device patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/29/07 - 20070271801 - Craft ruler with laser guide A craft ruler employs a laser module which is longitudinally positionable along the ruler. A laser emits a beam which defines a crafting guideline on an adjacent surface. The angular position of the laser guideline may also be adjusted relative to the straight edge on the ruler. In addition, more ... 10/18/07 - 20070240319 - Laser leveling device having a suction mounting arrangement A laser leveling device having a suction mounting arrangement includes a housing and a mounting seal extending from the lower portion of the housing. The mounting seal cooperates with an attachment surface to define a suction mounting area therebetween. The suction mounting arrangement cooperates with the mounting seal to maintain ... 09/06/07 - 20070204473 - Spindle locating laser for nut runner An alignment device for aligning a nut runner with a fastener includes a body, a threaded cap, a magnet, and a light source. The magnet and cap are received in one end of the body, while the light source projects from the opposite end of the body. The cap has ... 08/23/07 - 20070193044 - Viewing and display apparatus position determination algorithms Celestial object location devices with sensor arrays of having less that one sensor for each of three orthogonal components of gravity and magnetic field vectors. The accuracy of position sensing is enhanced by estimating “missing” sensor input based on input from two orthogonal sensors provided, or determined with limitations from ... 08/02/07 - 20070175054 - Studfinder and laser line layout tool A layout tool includes an object detector constructed and arranged to detect the location of a vertically extending edge portion of an object hidden from view behind a generally vertically extending wall surface, a light source that is capable of projecting a line of light along the wall surface, and ... 07/26/07 - 20070169359 - Optical horizontal measurement device An optical horizontal measurement device utilizes a knob containing a light-beam module for projecting a beam of light in a particular direction so as to perform an angular measurement, whereby we can draw a line in accordance with the beam. The optical horizontal measurement device is kept in a horizontal ... 06/28/07 - 20070144019 - Laser marking device In a marking device having a laser and a fastening element, especially simple, fast and precise marking of workpieces is attained by providing that the marking device includes a goniometer. ... 06/21/07 - 20070137053 - Object alignment device and method An object positioning device and method for positioning an object in a desired position relative to another object. In one aspect, the invention provides a device for aligning hitching components used in coupling a trailer to a towing vehicle. The invention also provides an apparatus for positioning an object upheld ... 06/07/07 - 20070124948 - Intersecting laser line generating device A line generating device generates two fan-shaped beams of light at an angle to each other, and projects the beams onto an adjacent surface, where the beams are visible as lines on the surface. A user has access to the intersection of the lines, so that the intersection can be ... 06/07/07 - 20070124947 - Light-plane projecting apparatus and lens A non-cylindrically surfaced lens converts a collimated light beam into a light plane that increases a light intensity toward distal portions of the light plane's arc so as to substantially uniformly project a reference light line onto a reference surface onto which the light plane is projected. The non-cylindrically surfaced ... 05/24/07 - 20070113412 - Laser measuring device A laser measuring device (50) including a housing (56) with a laser device present therein for generating and projecting at least one laser beam (52, 54), perpendicular to an alignment surface (34) of the housing, or to a mount (14) that is connected to the housing. In order to enable ... 05/17/07 - 20070107240 - Method and apparatus for machine element control A method of monitoring the location, and the orientation of a machine element, and apparatus for monitoring and controlling the operation of the machine include a robotic total station and a plurality of targets in known positions relative to the machine element. The total station, located at a known location ... 05/10/07 - 20070101594 - Structure mountable assembly A modular tool assembly including a tool base configured to releasably secure a modular tool arrangement in a fixed relationship relative to a mounting surface. The tool base includes an upper housing portion and a lower housing portion having a mounting seal extending therefrom. The mounting seal cooperates with the ... 05/10/07 - 20070101593 - Ultrasonic distance measuring apparatus with a laser-aiming level system An Ultrasonic distance measuring apparatus with a laser-aiming level system includes an ultrasonic device for detecting the distance from a target, a laser aiming and a level device for adjusting the position of said apparatus on the same level or a determined angle to a target, and a processing unit ... 04/12/07 - 20070079516 - Device for marking a straight line The invention provides a device for marking a straight line which is used in combination with an apparatus employed for at least one of leveling and squaring. The device includes housing and a laser module which is mounted within the housing for emitting a visible laser beam therefrom. A power ... 04/05/07 - 20070074411 - Laser level A laser level (IQ) is disclosed as including two spirit level tubes (42, 44) fixedly engaged with an extruded aluminium tube bracket (36); and a laser-emitting module (34) fixedly engaged with an extruded aluminium laser bracket (38), in which the tube bracket (36) and laser bracket (38) are engaged with ... 04/05/07 - 20070074410 - Measuring arrangement to determine location of corners for a building foundation and a wooden base frame, and the use thereof An arrangement comprising a laser projection device is used in determining the location of corners in constructing a foundation of a building or other structure. The arrangement is also used in positioning wooden beams perpendicular to one another in a floor frame or similar structure. ... 03/29/07 - 20070068020 - Workpiece center and edge finder having visual light indicator A precise center and edge finder in which the position of the center or edge of a workpiece or an aperture thereon is directly located with respect to a work tool. In one embodiment, the finder has a shank for attachment to a chuck. In another embodiment, the shank has ... 03/29/07 - 20070068019 - Measuring apparatus A measuring apparatus including a measuring device, such as a laser measuring device with a housing, which is detachably connected to a tripod including a tripod head and emanating therefrom tripod legs which are height-adjustable and can pivot on swivel or pivot joints and which are formed of telescoping inner ... 03/22/07 - 20070062053 - Reference beam generator and system for producing guide beams for field markers A reference beam generator (1) for guiding a field marker for ground markings has a support element (11) which can be positioned in a defined manner relative to the Earth's surface, a laser diode and beam guidance means for the emission of the radiation (LS) to at least one reference ... 03/15/07 - 20070056174 - Laser level A laser level includes a housing, a pendulum pivotably mounted to the housing and a laser diode assembly disposed on the pendulum. A gimbal assembly is employed for pivotably mounting the pendulum to the housing. The gimbal assembly includes a frame connected to the housing, a first pair of bearings ... 03/15/07 - 20070056173 - Laser reference device The laser reference tool of the invention consists of a base that can be releasably mounted to a surface. A housing is mounted on the base such that it can be repositioned relative to the base in a direction parallel to the surface. A turret carrying the laser module is ... 03/08/07 - 20070050999 - Device for immobilizing a vehicle An immobilizing device has a driving mechanism which urges two members or chocks towards each other to clamp a vehicle wheel between them. A detector, including a spring, detects engagement between the chocks and the wheel, in particular when the force applied by the driving mechanism exceeds a threshold, and ... 03/01/07 - 20070044332 - Laser leveler with rotatable top section A laser leveler comprises a multiplicity of laser generators. One of the laser levelers is disposed in a top section which is rotatable with respect to a base section. The laser generator within the top section is rotatable through an angle of 90° between the horizontal and the vertical. A ... 03/01/07 - 20070044331 - Laser leveler with ultrasonic transmitter and receiver A laser leveler includes an ultrasonic transmitter, an ultrasonic receiver and a computer for computing distances traveled by an ultrasonic signal emitted from the ultrasonic transmitter and reflected back to the ultrasonic receiver. ... 02/08/07 - 20070028470 - Laser reference device A chassis can be electro-mechanically rotated about an axis. The chassis contains a laser module and an inclination sensor. A laser beam and/or a laser line or plane can be emitted from chassis using a lens or reflector to focus the light in the desired beam or plane shape. The ... 02/08/07 - 20070028469 - Laser level A reflector for projecting a laser beam in a fan-shaped plane of light are provided. Associated with each reflector is at least one light source. Each light source is oriented relative to its associated reflector such that the axis of the beam of light hits the reflector off-center to generate ... 01/18/07 - 20070011894 - Laser alignment device A laser alignment device is disclosed according to the present invention, which may emit a laser beam and form one or more reference lines on an object surface. The laser alignment device, comprising a body in which a laser emitter is provided, the body is connected with a base that ... 01/18/07 - 20070011893 - Applications for radio frequency identification systems The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to ... 01/04/07 - 20070000139 - Laser leveling device The present invention is to provide a laser leveling device that can generate a laser line at arbitrary angular positions within a predetermined angle range. The laser leveling device includes a housing, a laser generating module for generating a fan-shaped laser line on a vertical object surface to form a ... 12/21/06 - 20060283029 - Multi-beam laser level A laser level generates a first, a second and a third laser beam which are perpendicular to each other. The laser level includes a first laser generator for generating the first laser beam, a second laser generator for generating an incident laser beam, and a prism disposed in front of ... 12/14/06 - 20060277775 - Power saw comprising a display device Disclosed is a display device oon a power saw (2) comprising a saw blade (3) as a tool, a handle (4) as an extension of the tool, and a grip (6) which is used for holding the power saw (2) and is disposed essentially perpendicular to the tool. The inventive ... 12/07/06 - 20060272167 - Laser level with temperature control device and temperature control method thereof A laser level with temperature control device (2) and the temperature control method thereof are disclosed. The temperature control device includes a thermal insulation chamber (22), a thermoelectric cooler (25), a control unit (21), and first and second temperature sensors (23, 24). The second temperature sensor is received in the ... 09/28/06 - 20060213069 - Laser protractor A protractor for measuring and constructing angles includes a body having a base member and an arcuate member connecting opposed ends of the base member. A bottom surface of the base member and a bottom surface of the arcuate member are disposed in a substantially identical plane. A degree scale ... 09/21/06 - 20060207117 - Posture monitoring and correcting device, system and method A posture-checking device includes a reference-datum locating member including a reflective surface and at least one datum indicia which is movable with respect to a display device to setup the reference-datum locating member to provide an indication of proper posture for a specific user. The reference-datum locating member reflects a ... 09/21/06 - 20060207116 - Alignment quality indicator An alignment tool includes a base, a column, and a ball. The base is manufactured from a material with a high material density and includes a crosshair. The column is machined out of an optical transparent material and is attached to the base. The ball is positioned within the column ... 09/21/06 - 20060207115 - Laser alignment for ion source An apparatus and method for aligning a laser beam in an ion source. A mounting member has a first end, a second end, and an axis. An awl is positioned on the axis and operably connected to the first end. A biasing member is arranged to urge the awl along ... 09/14/06 - 20060201007 - Method and apparatus for machine element control A method of monitoring the location, and the orientation of a machine element, and apparatus for monitoring and controlling the operation of the machine include a robotic total station and a plurality of targets in known positions relative to the machine element. The total station, located at a known location ... 09/07/06 - 20060196060 - Device and process for alignment of machines, machine parts or other technical articles The process as claimed in the invention for alignment of machines, machine elements or the like, especially of pipes or hollow cylinders is carried out by means of the pertinent devices such that in one of two measurement phases with the light transmitting and receiving device (20) fixed, rotation of ... 09/07/06 - 20060196059 - Device for graphically showing a schedule A projection device that graphically shows a schedule, which includes at least one light source adapted to emit a beam of light and an aiming device adapted to receive the beam of light and project the beam of light onto a surface. The projection device produces a plurality of illuminated ... 08/24/06 - 20060185181 - Structure mountable assembly A modular tool assembly including a tool base configured to releasably secure a modular tool arrangement in a fixed relationship relative to a mounting surface. The tool base includes an upper housing portion and a lower housing portion having a mounting seal extending therefrom. The mounting seal cooperates with the ... 08/17/06 - 20060179672 - Method and apparatus for determining reference levels and flatness of a surface A method and apparatus are presented for a laser tool used for direct indication of a level surface. This embodiment may also be used to transfer a level elevation from one level surface to a neighboring surface. The device may also be used to indicate the degree of flatness of ... 08/03/06 - 20060168831 - Viewing and display apparatus position determination algorithms Celestial object location devices with sensor arrays of having less that one sensor for each of three orthogonal components of gravity and magnetic field vectors. The accuracy of position sensing is enhanced by estimating “missing” sensor input based on input from two orthogonal sensors provided, or determined with limitations from ... 08/03/06 - 20060168830 - Laser guided work device A laser guided work device including a work board having a work surface, a line producing laser projecting a line on the work surface, and a linear motion device engaging the laser to the work board. The linear motion device translates the laser relative to the work surface along at ... 08/03/06 - 20060168829 - Laser tilt apparatus and the method thereof The present invention discloses a laser tilt apparatus and the method thereof. The present invention comprises an input device, a tilt sensor, a motor, a microcontroller unit, and at least a laser module. The input device is used to input a tilt value. The tilt sensor supplies a tilt signal ... 08/03/06 - 20060168828 - Laser guided work device A laser guided work device including a work board having a work surface, a line producing laser projecting a line on the work surface, and a linear motion device engaging the laser to the work board. The linear motion device translates the laser relative to the work surface along at ... 06/29/06 - 20060137195 - Self-leveling laser alignment tool and method thereof which compensates for material stiffness of an included pendulum A self-leveling laser alignment tool and method thereof which provides a laser beam in a substantially truly level or plumb orientation are disclosed. Magnetic attraction is used to compensate for leveling errors of an approximately or partially leveled pendulum platform that is suspended from a flexible support member having a ... 06/22/06 - 20060130346 - Laser marking and chase-setting device A laser marker disposable on a reference surface having a cylindrical housing, a suitable power pack, and a laser diode and lens within the housing for generating a point of measurement. ... 06/08/06 - 20060117585 - Optical axis adjusting device for use in a laser ruler An optical axis adjusting mechanism disposed on a laser ruler for adjusting an optical axis of the laser ruler is provided. The laser ruler includes a main bracket. The optical axis adjusting mechanism includes a main body rotatably assembled to the main bracket of the laser ruler with a shaft, ... 06/08/06 - 20060117584 - Methods and devices for enhancing intensity of on-surface lines cast by laser line projectors or the like Given a situation where a projected laser line appears to have terminated or faded as it intersects with a work-surface (e.g., a wall), a fan-out redirecting means is used to capture and redirect energy radiating above and parallel to, or radiating away from the given work-surface area, where the captured ... 06/01/06 - 20060112576 - Hand-held laser level with retractable adhesive-type retention feature A leveling or plumbing device for indicating a line or a plane on a surface, such as wall or floor. The device includes a light beam generator that emits a light beam exteriorly of a body or housing. Level and/or plumb indicators, such as vials, are mounted to the housing ... 05/18/06 - 20060101659 - A tool and a method for assessing an indicator mark position A tool for assessing the position of an indicator mark disposed on a seat of a vehicle. The tool includes an arm adapted to contact an anchorage and a plurality of lasers adapted to project a set of beams toward the seat. The set of beams define an area indicative ... 04/27/06 - 20060085992 - Laser alignment system and method Provided is a device/method of alignment of a laser's beam with the laser's support system so that the beam is substantially parallel in a chosen direction with respect to a reference line on the laser's support system. ... 04/20/06 - 20060080850 - Guidance light generating unit for power tool The invention relates to the provision of a light generating unit which can be used to generate one or more guidance lines, typically via laser generating means mounted within the same. The unit is mounted on a power tool such that the guidance line or lines which are generated, lie ... 04/20/06 - 20060080849 - Self-leveling laser alignment tool and method thereof A self-leveling laser alignment tool and method thereof which provides a laser beam in a substantially truly level or plumb orientation are disclosed. Magnetic attraction is used to compensate for leveling errors of an approximately or partially leveled pendulum platform that is suspended from a flexible suspension element having a ... 04/06/06 - 20060070251 - Line-marking device with rotatable laser A line-marking device with rotatable laser disclosed in the present invention comprises a laser rotating and locating system including a fixing member and a rotating member, one of which has a gear-shaped component, and the other member of which has a component that can be engaged with the gear-shaped component, ... 03/30/06 - 20060064887 - Universal laser beam generating device A universal laser beam generating device is provided with an automatic indication function. The laser beam generating device has a case, a laser beam generator, and a universal vial. The laser beam generator is positioned in the case to produce a laser beam, and the universal vial is arranged in ... 03/23/06 - 20060059699 - Laser line projector with spherically rotatable support and level/plumb indicators for the support A spherically rotatable support for a light image projector has level and/or plumb indicators for leveling or plumbing a central reference frame of its spherical rotation. A projected light image, such as a laser line segment of relatively short length may be successively stepped across a long wall while maintaining ... 03/16/06 - 20060053643 - Workpiece center and edge finder having visual light indicator A precise center and edge finder in which the position of the center or edge of a workpiece is directly located with respect to a work tool, such as a milling machine having a spindle driven chuck. The finder has a housing with a shank at one end for attachment ... 03/09/06 - 20060048399 - Laser line projection device A laser line projection device has a plumb, a first mechanism connected with the plumb to enable the plumb to oscillate, in accordance with gravity, about a first axis with respect to the base, and a second mechanism connected with the base and the first mechanism to enable the plumb ... 03/02/06 - 20060042106 - Method and apparatus for registration with integral alignment optics A method and apparatus for front to back substrate registration is described. Alignment characteristics of features on surfaces of substrates can be used to physically align substrates with a multiplicity of integrated alignment optics. Measurement of offsets of the integral alignment optics are used to compute registration data for use ... 03/02/06 - 20060042105 - Method and apparatus for positioning a billiard game rack Apparatus for cooperation with an associated billiard table which includes first and second laser apparatus for producing respective first and second laser spots, a rack for positioning a plurality of balls confined within said rack. The rack has first and second indicia thereon and a support carrying said first and ... 02/23/06 - 20060037203 - Modular tool assembly having a vacuum mounting arrangement A modular tool assembly including a tool base configured to releasably secure a modular tool arrangement in a fixed relationship relative to a mounting surface. The tool base includes an upper housing portion and a lower housing portion having a mounting seal extending therefrom. The mounting seal cooperates with the ... 02/23/06 - 20060037202 - Laser leveling device having a suction mounting arrangement A laser leveling device having a suction mounting arrangement includes a housing and a mounting seal extending from the lower portion of the housing. The mounting seal cooperates with an attachment surface to define a suction mounting area therebetween. The suction mounting arrangement cooperates with the mounting seal to maintain ... 01/26/06 - 20060016084 - Laser-based datum instrument A laser-based datum instrument is disclosed. The laser-based datum instrument includes a holder for attachment to an external object. A swinging device is rotationally connected with the holder. At least one laser source is attached to the swinging device. The laser source casts a laser beam for providing a datum ... 01/26/06 - 20060016083 - Level laser indicator A level laser indicator comprising a housing, a laser-indicating means and a bubble leveler; wherein one position of the housing is equipped with a laser-indicating means that can rotate freely, which makes the emitting laser light closing to the housing and the measuring surface as the visible light by a ... 01/19/06 - 20060010698 - Self-leveling laser alignment tool and method thereof which compensates for material stiffness of an included pendulum A self-leveling laser alignment tool and method thereof which provides a laser beam in a substantially truly level or plumb orientation are disclosed. Magnetic attraction is used to compensate for leveling errors of an approximately or partially leveled pendulum platform that is suspended from a flexible support member having a ... 12/29/05 - 20050283987 - Laser line projected on an edge of a surface A laser reference device includes at least one planar or flat surface and an internal laser light source for generating a laser light beam. A lens inside the device may convert the laser light into a fan-shaped beam, and project the beam adjacent the planar or flat surface of the ... 12/22/05 - 20050278966 - Laser level A laser level is provided to generate a laser beam. The laser level has a main body and a removable pedestal. The main body includes a housing, at least one laser generator, a power source and a switch. The pedestal and the main body mount to each other by magnetism, ... 12/15/05 - 20050274030 - Laser line generating device with graduated base A light generating system including a base comprising a bottom surface comprising a nonmechanical attachment structure and a light generating device rotatably mounted to the base about an axis. ... 12/15/05 - 20050274029 - Wall reflectors for aligning laser beams and methods of using them Wall reflectors work in conjunction with devices that emit wail laser beams, for assisting the attachment on a wall of items such as pictures. The wall reflectors are constructed to be attached on the wall, and to provide surfaces for reflecting the laser light beam into rays. Multiple wall reflectors ... 12/08/05 - 20050268475 - Method and device for controllling the geometry of the chassis of a chain or belt driven vehicle According to the invention, in order to control the vehicle geometry of a chain or belt driven vehicle, chain alignment of the secondary drive is determined by means of a laser module (1) which is placed on the lateral surface of the chain wheel or the belt pulley and whose ... 11/17/05 - 20050252014 - Laser level An optical system for a laser level is described. The laser level comprises at least two optical systems which are parallel to and oppositely adjoin to each other in a same plane. Each optical system comprises a laser light source, a regular lens, a diffusion lens, a beam-splitting element, and ... 11/10/05 - 20050246912 - Line generating device A line generating device may include a housing having a bottom surface, a top surface, a front surface connecting the top and bottom surfaces, a rear surface connecting the top and bottom surfaces, and a side surface connecting the top and bottom surfaces, a support assembly mounted within the housing. ... 10/27/05 - 20050235504 - Metrology system and method for measuring five degrees-of-freedom for a point target A metrology system includes a laser, a position sensitive detector array, a first collimator, a second collimator, and a mirror. The position sensitive detector array and the first collimator are positioned at a reference point. The second collimator and the mirror are positioned at a point target at a distance ... 10/13/05 - 20050223572 - Laser marking device for serial i-joist cutouts A laser marking device includes a fixture for temporarily attaching the device in an initial cutout of a number of serial cutouts to be fabricated in adjacent assembled I-joists. Combined with the fixture is an angle gage that provides angular positioning of a marking laser. The angle gage is configured ... 10/13/05 - 20050223571 - Guideline generation apparatus for power tool The invention relates to the provision of a power tool such as a jigsaw, circular saw or mitre saw which is provided with guideline generating means. The guidelines are typically generated as laser beams and the invention allows for the generation of at least first and second, side by side ... 09/22/05 - 20050204570 - Laser level A laser level includes a housing, a pendulum pivotably mounted to the housing and a laser diode assembly disposed on the pendulum. A gimbal assembly is employed for pivotably mounting the pendulum to the housing. The gimbal assembly includes a frame connected to the housing, a first pair of bearings ... 09/08/05 - 20050193576 - Method and apparatus for maintaining accurate positioning between a probe and a dut A method and apparatus for keeping a probe accurately positioned relative to a device to be tested. The apparatus having a probe and movable probe station element for positioning the probe at a predetermined test position on the device to be tested. The probe station element being driven by a ... 09/01/05 - 20050188555 - Level-measuring circuit of a laser tilt meter A signal sampling circuit of a tilt sensor, suitable to be used in a tilt sensor, is described. The signal sampling circuit has a signal-generating module, a sample and hold module, and a differential module. The signal-generating module regularly generates a plurality of level-measuring signals at equally timed intervals and ... 08/18/05 - 20050178016 - Two wire circuit for a laser pendulum A two wire laser control circuit for a laser leveler includes a switch mounted on a housing and having an electrical current passing therethrough. The switch has a first position and a second position. A diode bridge is mounted on a pendulum. A plurality of laser diodes are mounted on ... 08/11/05 - 20050172502 - Laser level An improved laser level has a housing and a first shaft connected to the housing. Two bearings are disposed on the first shaft. A gimbal body is disposed on the two bearings. A second shaft is connected to the gimbal body. A third bearing is disposed on the second shaft. ... 08/04/05 - 20050166408 - Laser level device A laser level includes a laser light source adapted to emit a laser beam, a beam-splitting unit splitting the laser beam into a number of light beams along multi different directions and a beam-outgoing unit dispersing the number of light beams to form corresponding number of horizontal sector-shaped output beams. ... 07/21/05 - 20050155238 - Laser line generating device with swivel base A laser alignment device includes a laser generating device, an upper attachment portion, and a lower attachment portion. The laser generating device includes a housing and a laser generator. The upper attachment portion is disposed near a bottom of the housing, and the lower attachment portion is pivotally and/or rotationally ... 07/21/05 - 20050155237 - Refined laser leveler A refined laser leveler is disclosed. The leveler includes a case having a fixed base contained therein, and a laser transmitter and conducting pieces both mounted at a front end thereof, wherein a power supplier is connected to a back end of the conducting pieces and a controlling element is ... 07/14/05 - 20050150121 - Gyroscopic system for boresighting equipment A gyroscopic system for translating parallel and non-parallel lines between a reference line and a device to be aligned with respect to the reference line is provided. The system includes a first inertial sensor configured to be substantially stationary, the first inertial sensor comprising a first three-axis gyroscopic sensor configured ... 07/14/05 - 20050150120 - Projection device A device for projecting an alignment guide (34,36) onto a workpiece comprises a mount (2) for mounting the device on or upon a workpiece and a self levelling projector (12) for projecting the alignment guide (34,36) in a predetermined orientation relative to the vertical. The projector (12) is articulated to ... 06/23/05 - 20050132589 - Visual alignment aid for handheld tools An apparatus, attaching to or integral to a hand tool, locates a collimated optical source or sources offset and at an angle from the axis of action of the tool, projecting a beam forming an alignment pattern onto a work surface. When the tool is held in the preferred perpendicular ... ### FreshPatents.com Support |