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STRAIGHTEDGE TYPE

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033 - Geometrical instruments

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Class / Patent application numberDescriptionNumber of patent applications / Date published
033483000 Rules 36
033413000 Cord type 32
033452000 Plural straightedges, relatively moveable 29
033404000 Wall guide and plumb (e.g., building construction) 17
033474000 Plural straightedges nonadjustably fixed at right angles (e.g., T-square, triangles, squares) 14
033427000 Square and sliding nonpivotal straightedge(s) 7
033430000 Base attached 7
033418000 Square and pivoted straightedge 6
033451000 Combined with level 5
20090013546HAND-HELD LEVEL AND PLUMB TOOL - A hand-held level and plumb tool that includes a homogeneous, L-shaped body, a first level indicating device, and a second level indicating device. The L-shaped body has first and second legs arranged at a 90° angle. The first leg defines an interior side, an exterior side, a central panel extending between the sides, and a length in extension of the first leg from the second leg to a free end. A slot is formed through a thickness of the central panel and extends along at least a majority of the length. The first level indicating device is assembled to the central panel of the first leg at a location spaced from the slot. The second level indicating device is assembled to the second leg. One or both of the legs can include measurement-related indicia selected in accordance with staircase construction standard dimensions.01-15-2009
20090064516Multi-purpose tool - 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.03-12-2009
20090188123Positioning Scale Device - A positioning scale device includes a main scale body (07-30-2009
20110138643Angle Square - 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.06-16-2011
20120180331Device for three dimensional representation of horsebacks - A device for three-dimensional representation of horsebacks through measurement points, comprising: plural vertically telescoping and column shaped segments which are connected with a frame and which include flexible transversal elements at their upper end which flexible transversal elements are bent like an umbrella and have flexible curvatures, wherein the vertical segments are configured to be variably offset from one another in the frame and configured fixable in a temporary manner and the curvature of the transversal elements that are bent in the shape of an umbrella is adjustable and fixable in a temporary manner, wherein the transversal elements include measuring points which are configured variably arrangeable in a vertical plane through devices for adjusting the curvature of the transversal elements, and wherein the measuring points of the transversal elements are arranged in the surface of the three-dimensional contour of the horseback.07-19-2012
033415000 Multiplane angularly adjustable 3
20080301962FRAMING TOOL - 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.12-11-2008
20120311879MESMETRU - This invention called MesMetru pertains to the field of forensic technique of measuring incriminating objects and evidence and consists of three groups of identical blades, printed with metric measurement units, joined together in the 0 common point of each unit, forming a unitary measurement unit that can help us make the measurement of the three sides of any object: length, width and height through a single use of the measurement unit and take a single photograph that highlights the sizes of the three sides.12-13-2012
20130291392MULTIPURPOSE INSTRUMENT FOR TRIANGLE SOLUTIONS, MEASUREMENTS AND GEOMETRICAL APPLICATIONS CALLED TRIOMETER - The invention “Trio-meter”is a multipurpose instrument by using—“Multi-slotted link sliding assembly mechanism”—for triangle solutions including Pythagoras theorem' as a ready reckoner (FIG. II). Useful instrument with marker block attachment to draw and measure straight lines, lengths, arcs, semi circles, circles, bicircles, tricircles, parallelograms, rhombuses, trapezoids, parallellines and triangles with fractional and accurate measurements easily and quickly (FIG. III to VIII). The novel instrument with tri-sector attachments, trisects an angle and multiplies an angle into double, triple & quadruple as well as reduces an angle in to two-third half, one third and quarter fractionally and accurately (FIG. IX). It comprises three slotted links with in built main measuring scales, which are also working as sides of a triangle, three vernier calipers with three protractors and three indicators, assembled by centre pins, with all necessary attachments, parts and components (11-07-2013
033448000 With means for moving straightedge over a surface 2
20110179658ROLLING RULER - A rolling ruler comprises a blade member configured to facilitate taking a measurement. The blade member is coupled to a handle that is configured to be gripped by a user, wherein the handle acts as a housing for storing a plurality of electronic components, the plurality of electronic components providing predefined functionalities to the rolling ruler. Further at least one roller with a rolling surface that is partially exposed through a backside of the handle for contacting a surface to be measured is in operable contact with a portion of the plurality of electronic components to facilitate measuring distance based on rotations of the at least one roller.07-28-2011
20120055036APPARATUS AND METHOD FOR SURFACE MARKING AT AN OUTSIDE CORNER - An apparatus and method for surface marking along an outside corner. In one embodiment, a marking tool includes a base portion and a marker retention portion. The base portion includes a first end and a second end along a longitudinal axis of the tool. The base portion includes a base surface along the longitudinal axis. The base surface is configured to movingly engage a first surface. The marker retention portion extends from the first end of the base portion. The marker retention portion is configured to retain a marking device and to position a marking face of the marking device to engage a second surface that intersects the first surface at an outside corner.03-08-2012
033429000 Square and fixed straightedge 2
20120192443SQUARE ROOT 1-2-3 - A framing square may be used with wood or metal framing material. The framing square may be designed to exactly fit the size of the framing material, so as not to overhand off a side of the framing material. The framing square may, for example, allow for use when laying out door and window openings when the frame is laying down.08-02-2012
20150047213Footer Square Apparatuses - A footer square apparatus may be used to measuring a building foundation and may include a footer square body, a first guide line, a second guide line, a third guide line, a corner marking, and at least one angle marking. The first guide line and second guide line may be perpendicular, and the third guide line may form a 45° angle with the first guide line and second guide line. The at least one angle marking may identify an angle as measured between a line from the corner marking to the angle marking and at least one of the first guide line, the second guide line, and the third guide line.02-19-2015
033412000 Shaft aligning 1
20120246951METHOD AND APPARATUS FOR ALIGNING A WIND TURBINE GENERATOR - A method and apparatus for aligning an input shaft of a wind turbine generator with an output shaft of a wind turbine are disclosed. Preferably, the method includes placing a push plate of a wind turbine alignment tool into pressing contact with a selected support flange of a wind turbine generator identified by a misalignment measurement device. With the push plate positioned, an indexing means of the wind turbine alignment tool is advanced along an adjustment link member of the wind turbine alignment tool to impart an alignment force onto the selected support flange to align the input shaft of the wind turbine generator with the output shaft of the wind turbine. The method preferably concludes by rechecking the alignment of the input shaft of the wind turbine generator with the output shaft of the wind turbine.10-04-2012
Entries
DocumentTitleDate
20110296700Straight edge circle tool - The tool is formed of an elongate rigid bar having a pair of straight side edges extending between opposite ends. Indicia are provided adjacent graduations correlating with distances away from center holes located at each end of the bar. A series of marking holes are provided at various distances away from the center holes. Thus, when a pin is provided through one center hole, a marking tool can be placed within a marking hole having a distance corresponding with a radius of a curve to be formed, and the bar can be rotated about the pin in the center hole while the marker is allowed to form a mark in an underlying workpiece. The straight edges of the tool can also be utilized for forming straight edges.12-08-2011
20120042531Apparatus for Holding and Aligning a Flat Material - An apparatus comprises a planar member comprising a top side, a bottom side comprising a flat surface and at least one aperture comprising a defined shape. At least one alignment tab comprises a top portion, a middle portion and a bottom portion. The middle portion comprises the defined shape and is configured to move vertically within the aperture. The top portion comprises a hook structure being configured to engage the top side to limit a downward movement of the alignment tab. The bottom portion comprises a vertical facing side being configured to engage an edge of a flat material. The apparatus is operable to align the flat material relative to the planar member by engaging the edge of the flat material with the vertical facing side and a vertical movement of the alignment tab enables the planar member to rest flat on the first flat material.02-23-2012

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