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Document Title |
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8171651 |
Squareness testing instruments and methods of operation thereof
A squareness testing instrument (1, 100, 200) has one or more pairs of arms (2,3, 122,123), such as a one or more pairs of slats or rods, pivotally interconnected using suitable fasteners (4). The...
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8146260 |
Framing square
A folding framing square, comprising a substantially right triangular shaped framing square having a flange attached substantially perpendicular thereto and forming a substantially “T” shaped sec...
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8074368 |
Hinged measuring and marking device
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,...
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7546687 |
Framing 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...
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7481143 |
Alignment device
An alignment device including a body having an alignment edge configured to guide a cutting device, an extension portion pivotal relative to the alignment edge, and at least one cutting-line...
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7343688 |
Versatile adjustable clamp fixture and multiple square tool
An adjustable clamp fixture holds overlapping legs of L-shaped carpenter framing squares in aligned relationships in fixed or sliding relationships. Outer perpendicular legs of the squares align in...
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6920735 |
Block positioning tool
A block positioning tool includes a first elongated member and a second elongated member attached together such that a L-shaped frame is formed. The frame has an upper surface and a bottom surface....
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6895675 |
Apparatus and methods for measuring the movement of a straightedge to draw lines or cut strips of a flat material
Novel measuring and cutting apparatus and methods are disclosed. In one embodiment, an apparatus includes a base member, an elongated member having an attachment end coupled to the base member and...
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6785976 |
Right angle combination square
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...
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6453568 |
Laser protractor
A laser protractor comprising two laser pointers fixed in a body to point exactly 90° apart in the same plane and a third laser pointer mounted on a movable arm rotatable about an axis ...
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5809659 |
Angle guide instrument
An angle guide instrument having particular utility for handrail installation which includes a body portion having an outer arcuate edge and first and second arms which are pivotable with respect...
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5472029 |
Saw guide
The invention provides a saw guide for a power saw or router of the type having a blade and a saw housing wider than the blade which directly overlies the blade during cutting. The saw guide...
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5461798 |
Stair stringer layout jig
A stair stringer layout jig used on a pair of stringers disposed side-by-side adjacent one another comprises a longitudinal base lying along and between the stringers, with spacers for uniformly...
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5461794 |
Movable type measurement scale at variable angles
The present invention relates to a kind of movable device which varies at any angle to serve as measurement ruler, and more particularly to an improved structure of measurement ruler with multiple...
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5452522 |
Calibrated bevel square with integrated electronic level and plumb
A framing layout tool includes two squares each with two legs or blades 90° apart. The squares are pivotally attached at their vertices by a pivot pin including a knurled locking nut. One of the ...
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5110132 |
Alignment apparatus for golfers
An alignment apparatus and method having three long sections and one short section joined together so that when opened in the proper position, a square is formed. One long section serves as a...
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4955141 |
Adjustable pivot angle square invention
An reversible adjustable pivot angle square (10) comprising a a base blade (20) that contains a reversible level and plumb means (62) rotatably connected to a perpendicular travel blade (22) that...
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4736524 |
Framing T-square and protractor
There is disclosed a framing T-Square and protractor wherein the head of the T-Square and the elongated rule thereof are connected by means of a ballbearing allowing the rule portion to be...
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4703564 |
Apparatus for forming brick and block patterns on structural surfaces
An under layer of a mortar material such as stucco is first applied to a structural surface such as a wall or floor. Over this under layer a second layer is applied generally of a different color...
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4446627 |
Arrangement in angle rulers for improving fixture of an angularly adjustable blade of said rulers to the stock thereof in selected blade positions relative thereto
In an arrangement in angle rulers for improving the fixture of an angularly adjustable blade (10) of said rulers to the stock (11) thereof in selected angular positions relative thereto, the stock...
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4443950 |
Precision saw blade adjustment device
The invention relates to rotating saw blade adjustment devices in general, and more specifically to a very simple apparatus, comprising two metal brackets, which when used in conjunction with an...
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4338725 |
Pipe fitter's quick square
A pipe fitter's square has a plurality of linear edges oriented at selected angles to provide easy and accurate alignment of pipe sections. A first edge of the square is parallel to its...
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4221055 |
Drafting instrument
A drafting instrument comprising a central plate member, and first and second drafting plates, each including two sides having first and second angularly related straight edges forming an angle...
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4208804 |
Ruler means for dividing a distance
A ruler means for dividing a distance into an optional number of parts, e.g., into equal parts. The ruler means comprises a ruler with a number of numbered scales with a zero point. Said ruler is,...
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3805392 |
TRY SQUARE
An improved try square in which a series of rigid lever arms housed in the square base multiply small movements of the square blade which is pivotally mounted on the base into large movements...
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3751808 |
APPARATUS FOR USE IN MAKING PATTERNS FOR ELBOWS FOR CYLINDRICAL PRODUCTS, AND OTHER LAYOUTS
Apparatus for use in making patterns for multi-piece elbows for cylindrical products such as pipes and the like, and for other layouts, comprising a flat elongated base bar marked with designations...
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3664028 |
DRAWING DEVICE OR APPARATUS
A device or apparatus which is utilized for drawing pictures or other designs on paper or other material by using a formula, and which includes a drawing board and flat rectangular and spiral...
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3634942 |
PROPORTION SCALER
Two pivotally connected arms of a proportion scaler have on opposite sides reduction scales and enlargement scales with graduations and indicia representing a series of ratios of enlargement...
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3510950 |
SINE,PIN-HEADED DUAL SQUARE
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3478434 |
STAIRS LAYOUT TOOLS
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3345750 |
Adjustable carpenter's square
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3073364 |
Grading shingle cutter guide device
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2877557 |
Saw-log scaling implement
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