Abstract: Flight plan implementation, generation, and management are facilitated. An example method includes receiving flight plan information including a flight route and a listing of base stations, connecting to a first base station on the listing, determining a first transition point between the first base station and a second base station on the listing based on the flight route, determining whether the first transition point has been reached, maintaining the connection with the first base station when the first transition point has not been reached, transitioning the connection from the first base station to the second base station when the first transition point has been reached, and/or dropping signals received from base stations not on the listing.

Abstract: A dual speed square has a first triangle member, a second triangle member, and an intermediate connector. The first triangle member and the second triangle member are each laterally and hingedly connected to the intermediate connector opposite each other through a first hinge joint and a second hinge joint, respectively. The triangle members rotate respective to the intermediate connector between a deployed configuration and a stored configuration. In the deployed configuration, the triangle members may be placed on opposite sides of a workpiece in order to identically mark out the opposite sides of the workpiece. In the stored configuration, the triangle members are positioned adjacent to each other, occupying a smaller space than in the deployed configuration for easier transport and storage.

Abstract: The present technology may relate to an athletic training aid to assist in training a user to perform tasks. Various embodiments of the athletic training aid may comprise a body section having a plurality of pivot points disposed between a first end of the body section and a second end of the body section. The plurality of pivot points may be configured to form the body section into a first shape. A coupling device may be configured to couple a first segment of the body section to a second segment of the body section. The coupling device may be configured to couple a first pivot point to a second pivot point to allow the second segment to rotate with respect to the first segment. The coupling device may further comprise a through hole to create an opening through the first and second pivot points.

Abstract: A geometric tool for capturing the relative positions of points on a geometric profile, thus creating a template for use in geometric representation and replication. The geometric tool comprises three or more pointers, and a means for constraining motion of the pointers. The pointers each comprise a rigid longitudinal member with a definitive a tip. The means for constraining motion of the pointers is such that the pointers can only pivot and radially translate with respect to a shared axis of rotation. In addition, the means for constraining motion of the pointers also contains a mechanism for the user to fully constrain the pointers with respect to the shared axis of rotation. This construction provides a simple and convenient geometric tool which offers an errorless method for capturing the relative positions of points on a geometric profile for use in further representation and replication.

Abstract: Provided is a loading ramp having two or more ramp portions having progressively decreasing widths and each defining a recessed spaced. The loading ramp has an extended position where the two or more ramp portions are parallel to one another or angled relative to one another, and a folded position where one or more ramp portions are nested within another of the ramp portions such that the one or more ramp portions are disposed in the recessed spaced of the another ramp portion.

Abstract: The present technology may relate to an athletic training aid to assist in training a user to perform tasks. Various embodiments of the athletic training aid may comprise a body section having a plurality of pivot points disposed between a first end of the body section and a second end of the body section. The plurality of pivot points may be configured to form the body section into a first shape. A coupling device may be configured to couple a first segment of the body section to a second segment of the body section. The coupling device may be configured to couple a first pivot point to a second pivot point to allow the second segment to rotate with respect to the first segment. The coupling device may further comprise a through hole to create an opening through the first and second pivot points.

Abstract: A superior measuring system comprises three sidewinders and a cobra measure which allows the users to take inside measurement with the assistance for one else. Sidewinders are use to measure distance between 2? to 23? and comprise a casing, an upper blade, and a bottom blade. The cobra measure comprises a main body, a single blade and a hood. The sidewinders have three extending blades which extend from the front and the back sides. The both blades can be locked from a locking mechanism so the blades do not move freely. The cobra measure comprises an angle control which control the angle that the single blade so accurate measurements. The single blade in the cobra measure is a curved shaped blade which provides better stability when measurements are taken.

Abstract: A multi-tool assembly with retractable tape measure, collapsible right angle square, straight edge arm with built-in razor blade knife and protractor, complete with a set of three retractable screwdrivers, all mounted in a single, compact, housing assembly. The combination; straight edge arm and razor blade knife, locks into one of several positions; to stay closed, to form into a carpenter's square and to extend the razor blade knife. The arm can be manually opened or spring powered to snap open like a switchblade when the release button is activated. The thin razor blade cutting edge creates a knife that is much sharper than ordinary pocket knives. The set of screwdrivers are permanently mounted within the back of the housing assembly. Each of the screwdrivers can be pivoted open to protrude out from the back of the housing assembly, allowing each screwdriver to be used individually.

Abstract: An improved protractor with an adjustable narrow arm comprising, in combination a flat, generally planar body having protractor shape, including an angle indicating scale with protruding scale elements in a curved row, the marker arm pivotally carried by the body to be swung successively over the scale elements, the scale elements spaced apart sufficiently to frictionally maintain the marker in selected angle indicating positions relative to said body.

Abstract: A combination level/try square includes an elongated body with an arm at one end thereof. The arm is rotatable between a non-use position against the body and a use position in which the body and the arm define a try square. The body incorporates three indicators, namely a plumb indicator, a level indicator and a slope indicator. In a second embodiment, a laser pointer is provided on one end of the body.

Abstract: An apparatus and method for a hinged measuring and marking device is disclosed herein. The device utilizes a first member, containing a flat surface with a straightedge for marking or measuring, coupled to a second member, also containing a flat surface with a straightedge for measuring or marking wherein the first member is coupled to the second member in a direction perpendicular to the straightedge of the first member. The straightedges of the first and second members are coplanar for marking an approximately contiguous line on a single plane or on two intersecting planes. The first member and the second member can be rotated between 0 and 180 degrees with respect to each other to accommodate marking a line on the two intersecting planes.

Abstract: An angle square includes a basic ruler, a pivotal ruler and a light-projecting element. The basic ruler includes a space defined therein. The pivotal ruler is pivotally connected to the basic ruler between an idle position in the space and an active position out of the space. The light-projecting element is connected to the pivotal ruler.

Abstract: An embodiment is an articulating straight-edge apparatus having an asymmetrical hub with a lobe having a flat edge. The hub has a bearing hole, an axle, a circular side with recesses which provide stopping at pre-set angles. There is a secant slotted channel through the lobe. The floor of the channel has depressions that provide stopping for translational shift. A connecting block is covered with a back and front plate. The block has an angle positioning SLD. The SLD impinges recesses as the hub is rotated. Additionally, there is a translational shift mechanism which includes a sliding rail in the channel. The rail has a SLD aligned to impinge a depression as the rail moves through the channel, therein stopping at a depression. Attached to the siding rail is a straight-edge element. The straight-edge serves as a carpenter's square, and can be adjusted angularly and translationally with manual force.

Abstract: An embodiment is an articulating straight-edge apparatus having an asymmetrical hub with a lobe having a flat edge. The hub has a bearing hole, an axel, a circular side with recesses which provide stopping at pre-set angles. There is a secant slotted channel through the lobe. The floor of the channel has depressions that provide stopping for translational shift. A connecting block is covered with a back and front plate. The block has an angle positioning SLD. The SLD impinges recesses as the hub is rotated. Additionally, there is a translational shift mechanism which includes a sliding rail in the channel. The rail has a SLD aligned to impinge a depression as the rail moves through the channel, therein stopping at a depression. Attached to the siding rail is a straight-edge element. The straight-edge serves as a carpenter's square, and can be adjusted angularly and translationally with manual force.

Abstract: The invention is directed to a guide for a power saw or router of the type having a blade and housing wider than the blade which directly overlies the blade during the cutting operation. The guide includes a saw guide having a straight outer edge configured for guiding a peripheral edge of the saw housing. Attached to the saw guide is an angle brace that is used to place the guide at four different angles. Attached by bolt to the saw guide is the work piece guide that is placed against the object you are cutting so that you cut a straight angle every time.

Abstract: Apparatus using two hinged L-shaped squares to determine perpendicular with respect to a plane. Placing the apparatus against a plane with the squares offset angularly with respect to each other and placing an object to be secured to a plane adjacent to the hinge within fins parallel to the hinge permits securing the object perpendicular to the plane with one hand while holding the apparatus and object with the other hand.

Abstract: Crafting and graphics instrument including a base plate, a movable rod, a control mechanism for controlling movement of the rod relative to the base plate such that movement of the rod in only one direction is allowed while movement of the rod in an opposite direction is prevented, and an actuating arm assembly movable to different angular positions relative to the base plate. The actuating arm assembly includes at least one shaped surface enabling formation of a line or cut by drawing a writing implement or a cutting implement along it. As the rod moves, the actuating arm assembly also moves so that the shaped surface is laterally displaced across a substrate on which the instrument is placed. This enables the formation of a series of parallel lines or cuts in or on the substrate. A table-mounted version is also disclosed.

Abstract: A work piece positioning tool is disclosed. The tool includes a first leg and a second leg that have work piece abutting surfaces. Cooperative pivoting elements adjacent an end portion of each of the first and second legs are used for connecting the legs together in a plurality of relative angular orientations. The tool can be used in combination with first and second workpieces and first and second clamps to hold the first and second work pieces together at a desired angle.

Abstract: A guide system comprising a plurality of guide members, where each guide member comprises an exposed surface and an intermediate portion between first and second end portions. The first end portion comprises a deformable detent member defining a detent projection. The second end portion defines at least first, second, and third detent edges defining a detent opening. The guide system operates in storage configuration and a plurality of use configurations. In the storage configuration, detent members of two guide members extend through detent opening of the two guide members. In the use configurations, a detent member extends through one of the detent openings such that longitudinal axes of the first and second guide members are substantially co-linear or perpendicular and the exposed faces of the first and second guide members are substantially coplanar.

Abstract: A board alignment tool includes a first plate having a bottom end and a top end. The bottom end is pointed. A second plate has a first end and a second end. The first end is pivotally coupled to the first plate. A catch is attached to the second plate adjacent to the second end. The catch extends in a substantial same direction as the bottom end when the second plate is oriented perpendicular to the first plate. The bottom end is extendable into a first board and the catch is extended into a second board. The top end is urged away from the second board and the second board pulled toward and against the first board.

Abstract: A framing square includes a right-angle square formed from a first member and a second member connected to each other at a respective distal end of each thereof and forming a right-angle connection therebetween. An angular measuring member is positioned at the right-angle connection. An indicator guide is positioned on a first side of the right-angle square and pivotally connected at a pivot point positioned at the right angle connection and moveable about a first side of the angular measuring member. An indicator arm is connected to the indicator guide and further includes a means for securing the indicator guide at a predetermined angle along said angular measuring member. The pivotal indicator arm and the pivotal indicator guide can be secured to the right-angle square resulting in a user able to consistently measure a same angle.

Abstract: A carpenter square and tape measure combination assembly includes a tape measure. The tape measure includes a housing having a lower wall, an upper wall and a perimeter wall. A square assembly includes a top wall and a bottom wall attached together in a spaced configuration with respect to each other. A panel is positioned between the top and bottom walls. A rod extends through the panel and into the top and bottom walls so that the panel may be pivoted with respect to the top and bottom walls. The panel is positionable in a stored position extending from the rod to the side wall or in an extended position extending outwardly from between the top and bottom walls. A pressure sensitive adhesive is positioned on the square assembly. The adhesive secures the square assembly to the lower wall of the housing.

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: A folding ruler is provided. One embodiment of the folding ruler includes a first panel, a second panel, a hinge and a stiffening member. The first and second panels are interconnected end to end by the hinge so that the ruler can move between a folded state wherein the first and second panels are generally parallel and overlapping, and an unfolded state wherein the first and second panels are coplanar and oriented end to end. The stiffening member couples with the first and second panels to lock the first and second panels in the unfolded state. In some embodiments the stiffening member provides a grip for holding the ruler.

Abstract: An adjustable ruler includes two elongate ruler members and an adjustable clamping member. Each of the ruler members includes a longitudinal slot, outwardly facing channels along opposite sides of the slot, parallel longitudinal sides, and measuring indicia marked along the parallel longitudinal sides. The adjustable clamping member is received in each of the slots and includes first and second slide members and a selectively releasable connection between the first and second slide members. The slide members have parallel longitudinally extending flanges along opposite sides slidably secured in the channels of an associated ruler member. The releasable connection selectively permits relative pivoting of the slide members about a pivot axis, and includes a biasing member biasing the slide members apart, a threaded screw through the slide members, and a head threaded on an end of the screw to selectively secure the slide members together.

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 device for calculating where a cue ball must cause an object billiard ball to strike the bumper of a billiards table in order to drive the object ball into a selected pocket of the billiards table of the type having two opposed end rails and two opposed side rails. The device includes a plotting board and a guide. The plotting board comprises a scaled playing table portion and at least one scaled mirror table portion having pocket positions formed thereon, wherein the mirror table adjoins at least one of the opposed end rails or opposed side rails and is a mirror image of the playing table portion. The plotter comprises a guide and an object ball arm, the object ball arm having a pocket guide end and an object end.

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: An improved tool comprising a carpenter's combined level and square includes: (a) a first elongated, straight section having distal and proximate ends and a centerline therebetween, with the proximate end having a flat surface whose upper part forms a 45 degree angle with the section's centerline, (b) a first leveling bubble fixed in this first section, (c) a second elongated, straight section having distal and proximate ends and a centerline therebetween, with the proximate end having a flat surface whose upper part forms a 135 degree angle with the section's centerline, and with the second section proximate end being proximate the first section proximate end, (d) a second leveling bubble fixed in this second section, (e) a coupling means having a bottom portion that is connected to the first section proximate end and a top portion that is connected to the second section proximate end and a connecting rod that is configured so as to connect these portions and allow them to independently rotate

Abstract: An angle cutting transfer tool for determining and delineating the midline axis of a joint onto a workpiece for cutting on a saw. The transfer tool includes two leg members pivotally connected together at one end. Pivotally attached to the inside edge of each leg member is a blade. During use, the two leg members are placed between two adjoining substructure surfaces upon which the two workpieces are to be joined. The transfer tool is then removed and one leg member is longitudinally aligned over a template. The blades are then rotated until they intersect at an equidistant point along one edge of the blades. A line is then drawn on the template from the center axis of the transfer tool to the intersecting point of the blades which delineates the midline axis of the joint. The miter or table saw is then adjusted so that the blade cuts along the line that delineates the midline axis of the joint. The workpieces are then selected and cut with the saw.

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 improved tool comprising a carpenter's combined level and square includes: (a) a first elongated, straight section having distal and proximate ends and a centerline therebetween, with the proximate end having a flat surface whose upper part forms a 45 degree angle with the section's centerline, (b) a first leveling bubble fixed in this first section, (c) a second elongated, straight section having distal and proximate ends and a centerline therebetween, with the proximate end having a flat surface whose upper part forms a 135 degree angle with the section's centerline, and with the second section proximate end being proximate the first section proximate end, (d) a second leveling bubble fixed in this second section, (e) a coupling means having a bottom portion that is connected to the first section proximate end and a top portion that is connected to the second section proximate end and a connecting rod that is configured so as to connect these portions and allow them to independently rotate about the rod,

Abstract: A combination square comprising a blade; and a head defining a slot in which said blade is at least partially received, said blade extending generally perpendicular to said head; wherein said head is divided into a first portion and a second portion, said first portion defining said slot, wherein said first and second portions are pivotally joined to each other by a pivot assembly, said pivot assembly defining an axis that extends parallel to said blade, whereby said second portion may be rotated about said axis.

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: The present invention 10 discloses a rafter square 18 having a pivotal indicator arm 14 and pivotal indicator guide 16. The pivotal arm 14 and guide 16 are detachable from the rafter square portion 18 by unscrewing the thumbscrew 20 that secures the device to its pivotal point 22 located on the heel portion of the right angle square 18. A wing nut 24 is also removable and when in use allows the indicator arm 14 to slide along a track 26 and point to indication markings 28 along the tracks surface. Also provided are a ring bearing 38 and wing nut retainer 30. Located at the distal end of the indicator guide 16 is a storage port 40 with an end cap 42. The storage port 40 can hold the removed wing nut 24 and thumbscrew 20 when the arm 14 is removed. Within the storage port 14 a guide chart 44 can also be stored and used for reference.

Abstract: An angle cutting transfer tool for determining and delineating the midline axis of a joint onto a workpiece for cutting on a saw. The transfer tool includes two leg members pivotally connected together at one end. Pivotally attached to the inside edge of each leg member is a blade. During use, the two leg members are placed between two adjoining substructure surfaces upon which the two workpieces are to be joined. The transfer tool is then removed and one leg member is longitudinally aligned over a template. The blades are then rotated until they intersect at an equidistant point along one edge of the blades. A line is then drawn on the template from the center axis of the transfer tool to the intersecting point of the blades which delineates the midline axis of the joint. The miter or table saw is then adjusted so that the blade cuts along the line that delineates the midline axis of the joint. The workpieces are then selected and cut with the saw.

Abstract: Disclosed is a modular framing tool and a method for beam framing. The modular framing tool of the present invention comprises alignment members attached to a common body portion. In one embodiment, the tabs are permanently and rotatably attached with a locking mechanism. Alternatively, the alignment members are removable and selectively positionable. Additionally, the modular framing tool comprises a tool attachment that may be configured to join the body portion to form a T-Square, a framing square, or the like. A leveling apparatus may also be attached to form a large leveling tool. The method comprises attaching or extending the alignment members, receiving the first beam, outlining the alignment members on the first beam, and after removing the tool, attaching a plurality of beams at the locations outlined by the alignment members. The alignment members maybe configured with a width equivalent to the thickness of the beam member to be attached.

Abstract: An apparatus and method to measure, establish and implement a desired range of travel allowed a reclining seat back portion of an airline seating accommodation. The invention, utilizing one or more base unit positioning templates is abutted to one or more seating accommodation foot structures to provide for accurate measurement positioning. A measurement bar restriction component is adjustably positioned to indicate a desired maximum reline position for said seat back portion, and a pivotally attached measurement bar is raised perpendicularly therefrom to a vertical orientation. Said raised measurement bar's uppermost end providing a reference point against which said seat back portion's initial contact indicates a maximum reclined position.

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.

Abstract: This Measuring and Drafting Tool relates to a new and useful type of measuring and drafting tool that may be used to accomplish a plurality of functions using a singular tool. These functions include application as a ruler, straight edge, T-square, square or squaring tool, center gage, an edge transcribing and duplicating tool, and as a tool for striking circles and circle arcs. Some modified embodiments of the Measuring and Drafting Tool are also capable of angle measurement and protractor functions, and may also include one or more bubble levels incorporated into the ruler segments, thereby allowing the user to check if a horizontal surface is level.

Abstract: The invention concerns a measuring stop device for a distance-measuring apparatus (4), said device comprising a rear measuring stop (1) which runs perpendicular to the measuring direction (6), is linear and is divided into at least two measuring stop regions (1a, 1b), at least one measuring stop region (1b) being rotatable about an axis (3) running parallel to the measuring direction (6). If the measuring stop regions (1a, 1b) are aligned one behind the other, a distance can be measured from a transversal intersecting a vertex and is used, for example, for determining the diagonals of a surface. In order to measure distances from a flat surface, a stable support surface which is perpendicular to the measuring direction (6) can be provided by rotating the rotatable measuring stop region (1b) accordingly.

Abstract: An adjustable squaring tool for measuring and marking angles includes a pivot arm pivotally coupled between first and second sections of a main member. The pivot arm having a graduated arcuate measurement arm extending from the pivot arm through a channel in the main member. The pivot arm having a cylinder coupled to an end of the pivot arm. The main member includes a drum passing through the cylinder. The cylinder has a plurality of radially spaced apertures corresponding to the gradations of the measurement arm. The drum includes at least one spring biased bearing positioned for engaging apertures in the cylinder as the cylinder rotates around the drum. A locking assembly is provided for clamping the pivot arm between the first and second sections of the main member to lock the pivot arm relative to the main member. In an embodiment the apertures are spaced for adjusting the tool in one degree increments between 10 degrees and 90 degrees.

Abstract: A dock leveler apparatus includes a base member which is floatable on water, and the base member includes a planar base bottom surface. A ruler member is connected to the base member. The ruler member includes a planar ruler bottom edge which is perpendicular to the base bottom surface, and the ruler member includes indicia of linear length. When the base bottom surface is placed on a dock surface and when the ruler member projects perpendicularly downward from the dock surface, the indicia on the ruler member can be used for setting the dock surface at a desired level. When the dock leveler apparatus is employed, a dock level adjustment assembly can be used to make adjustments to the height or level of the dock surface. The base member is made sufficiently large so that if the dock leveler apparatus falls into the water, the entire apparatus will float in the water. The water-floatable base member can be made from a hollow shell.

Abstract: A length measuring device is used for measuring a length of from a virtual intersection of the extension lines of two surfaces extending along the respective sides A1, A2 to ends of the respective sides of a bent member. The length measuring device is comprised of a rotary body 20 rotating about the virtual intersection as a center O and a scale body 30 having graduations (divisions). The rotary body 20 has a contacting side 20c with which one side of the bent member A is brought into contact, while the scale body 30 has a contacting side 30c with which the other side of the bent member A is brought into contact. The two contacting sides 20c, 30c are arranged on straight lines drawn through the virtual intersection.

Abstract: A tool for accurately determining and setting angles using an x beam and a y beam that pivot about a common axis and may be locked in position relative to each other with an axle lock and by locking one leg of each beam to a slotted stabilizer bar. Index holes on the x beam and the y beam receive movable index pins between which measurements are taken. Trigonometric calculation may be used, or a precalculated reference book or data table may be consulted, to determine or set the angle between the x and y beams for various index pins separations, when the pins are located in the various combinations of x and y beam holes. Relatively course linear measurements permit very fine angular measurements and settings.

Abstract: An improved measuring instrument for use with drawings employing different scales with indicia thereon; wherein, the measuring instrument includes a pair of elongated first and second instrument member arms having top walls and bottom walls and having opposite ends wherein one pair of ends are adapted to be releasably and pivotally connected to one another. The measuring instrument further includes a rotatble ratchet connection assembly associated with the first and second instrument member arms for captively but releasably engaging the first and second instrument member arms in both an L and an inverted L configuration. The tops walls of the first and second instrument member arms having beveled edges with indicia thereon, for preventing the indicia from engaging the measured or drawn surfaces when in use; and the bottom walls of the first and second instrument member arms having inclined planes with indicia thereon for preventing the indicia from engaging the measured or drawn surfaces when in use.

Abstract: The invention relates to a hand tool which is capable of functioning as a framing square, a roofing framing square or rafter square, a plumb bob, a level, and a gauge or scribe for straight lines, arcs, or circles. The hand tool preferably includes a body, a plate and a releasable locking member. The body includes first and second ends, first and second sides, a top surface and a bottom surface. The hand tool may include a light source disposed at the first end of the body, a horizontal level vial intermediate the first and second sides, a vertical level vial intermediate the first and second sides, and a straight sliding slot intermediate the first and second sides such that the straight sliding slot transverses the body from the first side to the second side providing an aperture. The plate is pivotally attached to the body by a pivot member. The pivot member is disposed in the straight sliding slot thereby allowing the pivot member to be slidably captured therein.

Abstract: A tool (10,10',10") for forming and applying an adjustable, selected angle to one or more pieces (8) of building material such as sheet rock, plywood, paneling or the like is shown comprising a first leg (12,12',12") having a longitudinally extending slot (34,54) pivotably attached to a second leg (20) with a connecting link (30) pivotably attached to the second leg and slidably and lockably attached in the slot (34,54) of the first leg (12,12',12")

Abstract: A Multifunction Layout Tool capable of performing the functions of an adjustable square, adjustable T-square, try square, combination square, protractor, angle duplicator, depth gauge, rip gauge, rafter-stair layout tool, and compass is disclosed. The tool comprises a generally T-shaped squaring base, mounting an elongated sliding rule. The base is comprised of a body defining a central flared channel to receive the rule and a pair of squaring arms extending from the body, defining a squaring edge along an end of the base, perpendicular to the channel. The rule is disposed in and extends out of the channel, between the squaring arms. The rule is a blade having a rounded end, a square end, and a central longitudinal slot. A fastener anchored to the base, extending through the rule slot, maintains the rule within the channel. Protractor indicia disposed within the channel and corresponding vernier indicia on the rounded end of the rule measure disposition angles of the rule when the rule is fully extended.