Class 33/418 - Square and pivoted straightedge

Subclass of Class 33 - Geometrical instruments
Definition: Subject matter comprising means establishing at least one
No. of patents: 32
Last issue date: 12/13/2011

Number	Title	Issue Date
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, coupled to a second member, also containing a flat surface with a strai...	12/13/2011
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 various ways for a variety of measuring, marking, cutting, and jiggi...	03/18/2008
7269909	Rafter layout tool A rafter layout tool for facilitating the layout of ridge cut, bird's mouth, seat cuts, fascia and soffit for the common hip, valley rafter cuts comprising a protractor member, measurement indicator arm and 90 degree arm and move up and down and side to side for dif...	09/18/2007
7243436	T-bevel plumb tool 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 b...	07/17/2007
7228644	Carpenter square and tape measure combination assembly 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 confi...	06/12/2007
7191692	Table saw A table saw includes a primary table having an opening through which a saw blade extends, and an auxiliary table slidably coupled to the primary table at one side. A fence is movable on the primary table and the auxiliary table relative to the saw blade. A first sca...	03/20/2007
7174643	Hand tool The invention provides a frame (12) of a hack-saw (10) and, particularly, the handle formation (14), defines shoulder formations (22) that define a linear edge (24) on opposite sides of the extension formation (16), the oper...	02/13/2007
7124668	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 indicator configured to be selectively positioned on the extension portion ...	10/24/2006
7080462	Structural framework detailing tool A structural detailing tool including relatively movable first and second blades disposed at right angles to one another and both incorporating straight edges used as tracing guides. Lock structure is employed to lock the blades in different relative positions and a...	07/25/2006
7051451	Facet joint prosthesis measurement and implant tools The present invention provides tools and methods designed to aid in the placement of facet joint prosthesis at virtually all spinal levels. One aspect of the present invention is a measurement tool for installing a cephalad facet joint prosthesis including a fixatio...	05/30/2006
6954990	Angle measuring device 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 si...	10/18/2005
6935037	Tile contour tool An apparatus for tracing a contour onto a tile prior to cutting the tile includes a base member having a first longitudinal slot and a retaining lip disposed at one end thereof. A first extension member includes a second longitudinal slot and is pivotally attached t...	08/30/2005
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. The first and second elongated members each have a slot therein exte...	07/26/2005
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 is divided into a first portion and a second portion, said first port...	09/07/2004
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 perpendicular to the intersection of the first two laser pointers (as...	09/24/2002
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 to the body and are used in conjunction with levels mounted...	09/22/1998
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 includes a guide bar having a straight outer edge for guiding a ...	12/05/1995
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 spacing the stringer sides. A transverse member with two cla...	10/31/1995
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 functions in use. The ruler's main body is L shaped with e...	10/31/1995
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 squares includes a longitudinally aligned electronic plumb ...	09/26/1995
5208992	Measuring instrument An improved measuring apparatus (10) including male (12) and female (11) measuring instruments equipped with complimentary pairs of male (14) and female (13) sleeve bodies bearing a multiplicity of variably aligned calibrated indicia (50) representative o...	05/11/1993
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 target pointer, a second long section serves as the ball pointe...	05/05/1992
5020233	Measuring instrument The disclosed measuring instrument includes a pair of members arranged together to form a right-angled L and the members having indicia providing linear scales useful in measuring areas in architectural plans and the like. The members are separable at the...	06/04/1991
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 contains a reversible level and plumb means (64) in an arra...	09/11/1990
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 free-swinging with respect to the head, which is in the form of a ...	04/12/1988
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 than the first layer. A tool having a guide bar, an elongat...	11/03/1987
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 (11) comprises a rectangular hollow section having a later...	05/08/1984
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 adjustable triangle and/or framing square, can provide preci...	04/24/1984
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 longitudinal axis. Second and third edges of the square are positione...	07/13/1982
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 therebetween and a third hypotenuse edge spanning the first a...	09/09/1980
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, along said scales, provided with holes for plotting an opt...	06/24/1980

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Class 33/418 - Square and pivoted straightedge