Abstract: A software system and apparatus for the collection of various measurements of the human body representing deviations from an ideal posture in several planes of motion relative to the body. A specially designed apparatus enables the correct measurements, while the software component performs an analysis of the measurements and recommends an exercise routine based on the severity of the deviations with respect to the planes of motion. The routine can be adjusted based on the flexibility and motivation of the patient as well as on the type of symptoms being experienced by the person. Additionally, physiologic factors are taken into account, such as the person's age and weight. The exercise routine is provided via a computer display, via email or via a web page available on the Internet, utilizing textual descriptions and visual and audio aids to describe the exercises.

Abstract: An apparatus for use as a framing square, protractor, and level that assists a user in laying out walls, checking existing walls for square, level and plumb, assists in hanging cabinets and installing built-ins on true walls and floors, scribe odd angled walls for erection, eliminates corner laps when doing floor layout, and is compact enough to fit into an easily stored and transported carrying case. The apparatus can be used by the skilled tradesman in calculating both the tread and the rise of stairs and will tell him how long to cut the stringer on uneven ground.

Abstract: An angle measuring device with two pivotable arms connected at a common point is disclosed. The first arm contains a rigidly linked shaft which connects the first arm to a second arm rotatable relative to the first arm. A first electronic sensor, such as a magnetic rotary encoder, determines the angle between the arms. Optionally, a second electronic sensor, such as an accelerometer, determines the angle of orientation of an arm with reference to the plane of the Earth. The microcontroller can be used to aggregate the output of the magnetic rotary encoder with the accelerometers, so as to calculate the angle from the plane of the Earth up to the first arm of the angle measuring device.

Abstract: A multi-purpose tool includes a graduated extension pivotably and lockably connected to a leveling extension. The graduated extension includes graduations for measuring length, angles, pitch, or a combination of these measurements. Angles may also be measured with a graduated disc. The leveling extension includes at least one bubble level for checking the horizontal or vertical orientation of the leveling extension. The leveling extension may include graduations for measuring length, angles, pitch, or a combination of these measurements. The tool may be extended such that the graduated and leveling extensions are collinear, having a total length of 16 inches end to end. A multi-purpose tool may be conveniently used to take the place of several separate tools such as a speed square, a T-bevel, and an extended torpedo level. The tool may also allow quick determination of the required distance between wall studs, rafters, and floor joists.

Abstract: A dual line protractor fixed to a central axis which has two housings, each housing having a spool with retractable lines, the housings and spools being rotatably attached to the central axis. The spools and housings rotate independently of each other on the central axis. The lines can be extended from the spools and the tips of the lines are attached to anatomical landmarks on first and second body members. The protractor is placed on a joint between the first and second body members. The lines extend from the spools and housings over degree marks on the protractor. The difference between the degree marks provide the angle between the body members at the joint. The application of the dual line protractor for these measurements is simple and rapid, requiring only a few minutes, so that the range of motion of several joints with several repeat measurements can be performed in a relatively short period of time.

Abstract: An angle measurement tool having two legs held together by a removable adjustment member in which the legs are joined together about a common axis so that one of the legs rotates with respect to the other to form a desired angle the value of which is read using indexing means located on both legs.

Abstract: A trigonometric teaching aid for providing students with real life applications for the principles of trigonometry includes a transit assembly having a sight tube with cross hairs, a level and an upper protractor pivotally connected to an upper end of a vertical scale, and a base assembly including a lower protractor pivotally connected to a lower end of the scale member. By leveling the transit assembly and measuring the angles of inclinations at the protractors, student using trigonometric formulas, tables and classroom lessons can determine physical measurements of real life objects.

Abstract: A t-bevel plumb tool configured for identifying and placing a plumb line has the components typical of a t-bevel, namely a handle and a blade that pivotally attaches to the handle, and a plumb indicator that, in one embodiment, removably attaches to one end of the blade. In this embodiment, a locking mechanism secures the blade to the first end of the handle and a plumb locking member attaches the plumb indicator to the second end of the blade during use as a plumb tool. When the plumb indicator is not being used for finding a plumb line, it attaches to an extension member at the second end of the handle. In another embodiment, the plumb indicator is incorporated into the locking mechanism that secures the blade relative to the handle and a separate level indicator is also incorporated into the handle.

Abstract: A measuring tool device comprises a horizontal module including a depressed surface, an upper semicircular hollow, and a lower semicircular body; an upper cover module including a calibrated line at its periphery; and an accessory module in a semicircular protruded form and coupled between the horizontal module and the upper cover module. The accessory module is at the depressed surface, and the upper cover module is latched to the horizontal module by a latch. The accessory module is rotated and the indicating arrows on both ends of the straight edge correspond to a calibrated line at the periphery of the upper cover module. The straight edge of the body of the horizontal module is used as a starting edge, and the straight edge of the accessory module is used as an ending edge for measuring or drawing an included angle.

Abstract: A multi-task protractor apparatus having the capabilities of a rotating protractor, adjustable triangle, ruler, miniature leveler, framing square and roof angle finder is disclosed. The multi-task protractor accurately measures angles and slopes and provides two straight edges for constructing angles and triangles.

Abstract: An improved apparatus generating light illuminated line provides a possibility to produce and propagate the light line along the reference surface under any desirable angle. The improved apparatus generating light illuminated line includes a circular scale means comprising a degree scale and two projections, each of which includes an aperture intended for an appropriate fixing means. Each fixing means comprises a handle rigidly connected to a pin and a back-moving spiral spring located in a spring opening of the appropriate projection. Also, the improved apparatus generating light illuminated line includes a pivotable light line generating portion hingedly coupled with the circular scale means.

Abstract: The invention is a snap locking angle adjustable device, particularly applicable to carpenter's squares. Carpenter's squares, being used in rough environment, must be simple to adjust while providing robust snap locking at high angle precision. Prior art attains this by protruding steel balls, attached around the pivot axis of the square's handle, pressed strongly against a hole punched area around the pivot axis of the square's blade-balls aligns to holes gives the snap locking. The problem is to simplify manufacturing. The invention comprises components with moulded alignment structures. These components are the complete pivot members (handle or blade) themselves, or are separately attached to the pivot members. The components, and optionally, are sandwiched, alignment structures against each other, and axially pressed together strongly by a spring held in compression by a press frame that also may constitute a pivot shaft for the pivot members.

Abstract: A promotional apparatus includes a housing having first and second openings and an elongated slot formed therein. A first measuring tape is disposed within the housing, and is retractably extendable from the housing via the first opening. A second measuring tape is disposed within the housing. A first end of the second measuring tape is fixed to the housing and an opposite second end of the measuring tape is movable within the housing such that a portion of the second measuring tape between the first and second ends thereof extends from the housing via the second opening and forms a loop that is retractably expandable and that is configured to measure a circumference of an object. A goniometer is pivotably secured to the housing and is movable between a stored position and a plurality of operative positions that allow measurement of angles of movement of patient limbs, joints, etc.

Abstract: A miter apparatus is for making beveled cuts in a workpiece such as a board or the like. A base defines a seat for placing against an edge of the workpiece, and a guide member is pivotably attached to the base for adjustment to any desired angle of a beveled cut. Side surfaces of the guide member provide a bearing surface against which one side of a conventional handsaw may move to guide the saw while cutting the workpiece at the desired angle. A knob selectably secures the to guide member the base, and a surface on the knob provides an additional bearing surface for guiding the saw.

Abstract: A protractor and ruler combination includes a main ruler having a side formed with a protractor, a secondary ruler rotatably mounted on the main ruler, and an auxiliary ruler having a side secured on the secondary ruler, so that the secondary ruler is moved in concert with the auxiliary ruler on the protractor of the main ruler. Thus, the auxiliary ruler is moved relative to the main ruler, and the secondary ruler is moved in concert with the auxiliary ruler on the protractor of the main ruler, so that the included angle between the ruler section of the main ruler and the ruler section of the auxiliary ruler is measured exactly.

Abstract: A measuring device is provided for carpenters, roofers and other tradesmen. The device is made of relatively lightweight plastic and has a variety of uses. The elongated base is rectangular in cross sectional and includes a scale for measuring distances along one side. Pivotally affixed to the base is a level which can be locked against a protractor (also affixed to the base) at any angle between zero and ninety degrees (0°-90°). Roof pitches, gradients and other angles can be determined or set in a simple, easy to learn manner.

Abstract: A measurement instrument for establishing an angle by which each lens-mounting rim of a spectacles frame having two lens-mounting rims joined by a spectacles bridge is tilted in a horizontal plane in front of an eye of a spectacles wearer comprises a supporting plate onto which a spectacles frame can be positioned with the upper or lower outside edges of the lens-mounting rims downward; a marking line on the surface of the supporting plate for alignment of the spectacles frame; and at least one adjustable means permitting measurement of an angle between an imaginary line connecting a nasal and a temporary edge of a lens-mounting rim and the marking line.

Abstract: An improved tool is provided for locating the corner or edge of a workpiece while setting the workpiece at a desired angle with respect to a work surface. An elongated arm member slidably engages an elongated base member at one end, allowing for the measurement of the distance between the opposite end portions of the arm and base member and calculation of the angle at which the workpiece is disposed. The base member is provided with generally opposing first and second mating surfaces for locating the corner or edge of the workpiece. Different embodiments are provided for use in finding edges of workpieces having various angles. Different embodiments further provide for the use of multiple measuring instrumentalities and calculations.

Abstract: Auxiliary drafting instrument combination applicable to digital board, including a base seat formed with at least one pivot hole; a compass having a pivot seat for pivotally connecting two legs, a bottom end of one of the legs being snugly pivotally fitted in the pivot hole of the base seat, the other leg being connected with an electronic pen; and a subsidiary ruler one end of which is pivotally connectable on the base seat. By means of the combination of the base seat and the compass, a circle can be input on the digital board or by means of the combination of the base seat and the subsidiary ruler, an oblique line can be input on the digital board.

Abstract: The present invention is directed to an apparatus and method for marking an angles relative to a baseline, the apparatus comprising two elongate arms, one arm having a length greater than that of the other, the arms being pivotally joined at one end by a connecting means having an aperture and anchoring means attached to the other ends for anchoring the arms to a first marker at one end of the baseline and a second marker marking the other end of the baseline to a specified length. The baseline length determines the size of the angles given the constant lengths of the first and second arms. The method may be employed by a single unskilled user to mark angles of any size greater than 0 and less than 180 degrees. The apparatus may be sized and proportioned for use on projects of widely varying scales.

Abstract: A filler gauge with flexible measurement is disclosed in the invention. The invention provides a filler gauge that is easy to be manufactured and able to lower cost as well as increase scope of measurement. In addition, each single unit of the filler gauge is made of plastic material that is flexible, bendable, and able to be trimmed so that various objects to be measured can be measured by suitable single units. Moreover, a ruler area and an angle-measuring area are further provided on each single unit so that a filler gauge capable of doing thickness, depth, and angle measurements is completed.

Abstract: A measuring device is provided for carpenters, roofers and other tradesmen. The device is made of relatively lightweight plastic and has a variety of uses. The elongated base is rectangular in cross-section and includes a scale for measuring distances along one side. Pivotally affixed to the base is a level which can be locked against a protractor (also affixed to the base) at any angle between zero and ninety degrees (0°-90°). Roof pitches, gradients and other angles can be determined or set in a simple, easy to learn manner.

Abstract: A measuring device is provided for carpenters, roofers and other tradesmen. The device is made of relatively lightweight plastic and has a variety of uses. The elongated base is rectangular in cross-section and includes a scale for measuring distances along one side. Pivotally affixed to the base is a level which can be locked against a protractor (also affixed to the base) at any angle between zero and ninety degrees (0°-90°). Roof pitches, gradients and other angles can be determined or set in a simple, easy to learn manner. In addition, a guide is provided which can be releasably attached to the measuring device for use in combination therewith for precise repeated markings on lumber pieces or boards for forming stair stringers and the like.

Abstract: An angle measuring tool having pivotally connected members and an angle measurement index with and off center portion positioned so that upon the rotation of one member with respect to the other the angle between the two members can be accurately determined with no possibility of slippage of the angle measurement index due to the off center portion mating with one of the members.

Abstract: A miter cut, plumb cut, and seat cut angle finding system has a handle, a spacing block with a pair of attachment holes there through, a pair of coupling pins, a rotatable straight blade and a knurl ended coupling screw. The handle has a plurality of plates. Each plate has an upper pivoting portion end and a lower square end and two side edges there between, a pair of attachment holes there through and a screw hole, an arcuate viewing slot, and a plurality of indicia. The rotatable straight blade has a rectangular outer end and a semicircular arcuate inner end, an axially located central slot and an indica at top dead center of the semicircular arcuate end.

Abstract: An adjustable tool, and method of use thereof, for use in cutting a workpiece having a face extending between first and second opposite borders is disclosed. The tool preferably comprises an elongate guide member having proximal and distal ends, a bottom surface and a primary side including a straight-edge; a post fixed at the proximal end; an arm extending from the guide member, having measurement indicia marked thereon and defining a slot; and a movable pin positionable in the slot, the pin adapted to be secured at a desired location corresponding to a desired measurement indicium. The post and the pin are adapted to simultaneously contact the first border of the workpiece so that the straight-edge identifies a desired cutting line corresponding to the desired measurement indicium.

Abstract: The invention is a snap locking angle adjustable device, particularly applicable to carpenter's squares. Carpenter's squares, being used in rough environment, must be simple to adjust while providing robust snap locking at high angle precision. Prior art attains this by protruding steel balls, attached around the pivot axis of the square's handle, pressed strongly against a hole punched area around the pivot axis of the square's blade—balls aligns to holes gives the snap locking. The problem is to simplify manufacturing. The invention comprises components with moulded alignment structures. These components are the complete pivot members (handle or blade) themselves, or are separately attached to the pivot members. The components (1, 2), and optionally (3, 4), are sandwiched, alignment structures against each other, and axially pressed together strongly by a spring (5) held in compression by a press frame (6) that also may constitute a pivot shaft for the pivot members.

Abstract: An adjustable angle cutting jig device and associated method of using the device for use with a table saw having a circular blade, a rip fence and a miter groove is disclosed. The device comprising the interconnected elements of a rip fence guide, a first shank, a second shank, a cross member, a first rotating arm, a first threaded bolt, a second rotating arm, a second threaded bolt, cross brace, a first angle guide, a first wingnut, a second angle guide, a second wingnut, and at least one clamp. The method of using comprises the steps of adjoining, affixing, aligning, angling, cutting, fastening, grabbing, identifying, inserting, loosening, obtaining, placing, pushing, raising, sliding, tightening, turning, and untightening.

Abstract: An angle sensor has a miter bar, a fence, a rotary sensor, a display, and a processing system and may additionally have a head plate, an auxiliary fence, means for detachably affixing the miter bar to a saw blade, and a power source. The miter bar has a longitudinal axis. Primary fence 6 is pivotally disposed on the miter bar and has a face that defines a plane. The rotary sensor outputs a signal indicative of the angle between the longitudinal axis of the miter bar and the plane of the face. The processing system interprets the signal and activates the display to numerically exhibit the angle. The display provides a visual indication of the angle.

Abstract: An apparatus (20) for measuring angles, typically a bevel square, having a first arm (27), a second arm (21) pivotally attached to the first arm, a transducer (62, 63) for detecting changes in the angular position of the second arm (21) relative to the first arm (27), a controller (66) communicating with the transducer (62, 63) for calculating an angular position value of the second arm (21) relative to the first arm (27) and an output device (67) communicating with the controller (66) which outputs the angular position value.

Abstract: The invention is a masonry tool that is a framing square with a retractable straightedge, where the framing square can be fitted to a level. The major components of the invention are a foldable flat straightedge, a mounting bar and housing which seats a notched disk that rotates on an axial shaft that is joined to the straightedge, a finger activated switch that moves a spring loaded slideable pin that clicks into a notch on the disk corresponding to an angle, and fastening components and elements for longitudinally affixing the mounting bar and housing to the end of the level. The retractable straightedge, when unlocked, can be rotated from a retracted position to a reversibly locked right angle position, and vice versa.

Abstract: An adjustable portable power tool guide having a base plate, a base plate cutting edge to define a cut line, an adjustable tool guide rail for guiding a portable power tool cutter adjacent to the cutting edge, and an adjustable control bar that defines a reliable and predetermined angle between the cutting edge and the control bar.

Abstract: A saw guide for guiding hand-held power saws of the type having a moving blade and a parallel guide edge used for cutting sheet and stock material. The saw guide includes a fixed arm of L-shaped cross-section comprising respective horizontal and vertical legs. The horizontal leg rests on the upper surface of the material with the vertical leg extending downwardly to engage an edge of the material. The fixed leg is affixed to the material using a C-clamp which clamps the horizontal leg to the material. An elongate variable angle arm also of L-shaped cross-section comprising respective horizontal and vertical legs is pivotally connected to the fixed arm by an adjustable angle locking assembly. The horizontal leg of the variable angle leg rests on the surface of the material with the vertical leg extending upwardly to form an elongate, straight saw guide surface for guiding the power saw.

Abstract: A common rafter and hip layout tool which provides a protractor portion, a common cut marking edge, a common cut marking edge pantograph arm to which is connected a bird's mouth marking arm, a seat cut marking arm connected at a right angle to the bird's mouth marking arm and a tail length marking arm. The pantograph arm and connected bird's mouth marking arm facilitates the marking of the bird's mouth cut and the seat cut. Movement of the common cut marking edge to the location indicated by the tail length marking arm facilitates the making of parallel cuts for the common rafter ridge cut and the tail cut.

Abstract: A miter gauge apparatus for use on a work surface having an alignment track is disclosed. The miter gauge apparatus may include a guide bar adapted to slidably fit within an alignment track, a miter housing secured to the guide bar, a fence mount configured to rotate about the entire periphery of the miter housing, and an expandable fence. The miter housing may include a disc assembly comprising an upper plate, a lower plate, and a slot therebetween. A cam post slidably disposed within the slot can be configured to fit within a cam post aperture disposed on the fence mount. A cam pin disposed within the fence mount can be engaged within an opening on the cam post to releasably secure the fence mount to the miter housing.

Abstract: An angle measuring tool having pivotally connected members and an angle measurement index with and off center portion positioned so that upon the rotation of one member with respect to the other the angle between the two members can be accurately determined with no possibility of slippage of the angle measurement index due to the off center portion mating with one of the members.

Abstract: The present invention provides a precision miter gauge for orienting and positioning a workpiece relative to a cutting tool. The miter gauge reduces positioning errors and improves repeatability. The miter gauge includes a base and a body pivotably connected to the base. A positioning edge of the body contains a plurality of teeth between which a positioning member connected to the base is inserted and locked in place. In this manner, relative movement of the positioning body relative to the base is inhibited.

Abstract: Opening and closing the tool causes (I) the double headed pointer to slide back and forth along (a1) the slot in (A) the Lower Faceplate. Along both of the sides of (a1) the slot are marked with increments of pre-calibrated measurement. Each side may hold a different type of measurement. Example; Degrees, Inches, or Millimeters.

Abstract: The protractor has a body which has three reference surfaces, two being parallel and one being at right angles to them. A web between the surfaces carries a protractor dial which is rotatable on the protractor body. The dial carries a reference surface and can be set in position by means of a visual indicia, by sine measurement, or by memory links. Great accuracy can be achieved by use of the sine measurement.

Abstract: An adjustable tool, and method of use thereof, for use in cutting a workpiece having a face extending between first and second opposite borders is disclosed. The tool preferably comprises an elongate guide member having proximal and distal ends, a bottom surface and a primary side including a straight-edge; a post fixed at the proximal end; an arm extending from the guide member, having measurement indicia marked thereon and defining a slot; and a movable pin positionable in the slot, the pin adapted to be secured at a desired location corresponding to a desired measurement indicium. The post and the pin are adapted to simultaneously contact the first border of the workpiece so that the straight-edge identifies a desired cutting line corresponding to the desired measurement indicium.

Abstract: An angle indicating apparatus includes a rod member, an indicia member, an indicator, a spring-loaded tumbler unit, and a locking unit. The indicia member is mounted pivotally on the rod member about a pivot axis, and includes a base plate formed with a generally semi-circular cutout. The indicator is disposed in the cutout and points to angle indicia that are provided on the base plate adjacent to the cutout. The base plate is further formed with a curved guide slot, and has a bottom side formed with a plurality of angularly spaced apart positioning grooves. The spring-loaded tumbler unit is mounted on the rod member and engages removably a selected one of the positioning grooves. The locking unit passes through the guide slot and is operable so as to engage the rod member and arrest undesired rotation of the indicia member relative to the rod member.

Abstract: An auxiliary appliance, known as a mitering device, for setting the cutting angle in miter-cutting operations prior to the cutting proper, comprising two arms (1, 2), which are pivotally interconnected by means of a hinge, each one of said arms having at least one orientation face, and an angle-indicating means (4), which is connected to the arm-interconnection hinge via a gear mechanism (5), said gear mechanism being adapted, upon relative pivotal motion of the arms, to transfer essentially half of said pivotal motion to the angle-indicating means relative to the arms.

Abstract: An expandable mechanical stop is provided for positioning a workpiece during woodworking or other operations. The mechanical stop includes a positioning body which is adjustably attached to a track, the track having a vertical face that abuts an edge of the workpiece during operation. A stop arm is connected to the positioning body and includes a rear face that is substantially adjacent to the vertical face of the track. Anti-biasing means are provided to prevent the workpiece from dislodging the stop arm by sliding between the stop arm and the track. In one configuration, tabs are provided on the rear face and are received by grooves on the vertical face to serve as the anti-biasing means. In another configuration, grooves are provided on the rear face and receive tabs disposed on the vertical face.

Abstract: A protractor comprising a frame and a lever arm coupled thereto. The frame includes a first substantially straight edge and an elongate track adjacent to the first edge. The lever arm includes a second substantially straight edge and a channel which mateably engages the track of the frame. The channel/track combination couples the lever arm to the frame and permits the lever arm to rotate about an axis substantially orthogonal to the first and second edges. The first and second edges intersect at a point allowing a user to describe an angle between the two edges.

Abstract: A multipurpose tool for use by woodworkers or the like and which includes a body portion having end walls and first and second pairs of opposed side walls, with a plurality of level indicating means, at least one magnet recessed in the body portion, and a recess formed in one end of the body portion and extending between the first pair of opposed side walls, and a protractor arm having a longitudinally extending slot mounted in the recess.

Abstract: A connected and relatively pivotal two piece angular measuring device that will provide information and/or direct data or indicia to be used in setting mitre saw cutting angles for accurate placement of trim, molding, shelves, and the like.

Abstract: A device for generating angles has a ruler-shaped basic rail having a first guide extending in a longitudinal direction of the basic rail. A stop rail is arranged in the first guide of the basic rail and is rotatable and slidable into different positions relative to the basic rail and securable in the different positions. The stop rail has an underside provided with depressions positioned at an acute angle to one another and forming a star-shaped arrangement. The basic rail has a projection that engages the depressions.

Abstract: A improved combination degree finding and linear measuring instrument for directly indicating the degree, or angle, to be used for cutting and thereafterwards joining of the cut material items is disclosed, consisting of a pair of blade-shaped arms pivotally secured to each other at one end thereof to matingly conform to the inside or the outside engaged angle corresponding to the angle of the two pieces of the material which are to be joined.

Abstract: A self-adjusting accessory for a table saw that includes a guide for sliding in the guide groove of the work supporting table of a table saw and which is biased against the edge of the guide groove which is closest to the cutting blade. The guide bar is used in conjunction with the plurality of table saw fixtures such as a miter gauge, an alignment gauge and a stop gauge. The alignment gauge also forms part of apparatus for carrying out a method of verifying the straightness of the arbor for the cutting blade, the alignment of the arbor relative to the guide groove of the work supporting table and the flatness of the cutting blade. The invention also includes an apparatus for adjusting the alignment of the arbor relative to the guide groove of the work supporting table.

Abstract: An adjustable gauge having special attention to measuring the dimensions of a fillet weld. The gauge includes a first plate that is rectangular in shape and terminates in an edge which transverses one corner, and a second plate that is circular in shape. The front face of the first plate has a recess therein sized to accommodate the second plate, wherein the plates are rotatably mounted about an axis of rotation and juxtaposed to one another. The gauge also indicates a linear member slidably mounted along the same axis of rotation as the first and second plates upon the second plate. The linear member is extendible in relation to the second plate so as to measure the dimension of the weld.