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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7854070 | Framing square A square with longitudinal slots in the angular arms, a rule having a longitudinal slot, and two clamping screws for securing the rule in various angular positions on the arms of the square, so that the scale may be shifted on the square to establish a number of ang... | 12/21/2010 |
| 7743521 | Professional layout tool An all-in-one combination layout tool is provided for marking center lines for spacing studs, marking rip lines, marking cut lines for roof rafters and staircase stringers, and other purposes. The tool comprises a rectangular base plate, an elongate locator bar with... | 06/29/2010 |
| 7739806 | Three-dimensional combination measuring tool A combination measuring tool includes a main body having a first portion having a plurality of first graduations and a second portion having a plurality of second graduations, a transverse bar movably and rotatably mounted on the main body and having a semi-circular... | 06/22/2010 |
| 7437826 | Adjustable framing tool for laying out hip and valley rafters An adjustable framing tool 10 for laying out hip and valley rafters 216. A planar body 12 has a measuring edge 14 and first and second scribing edges 16,18 disposed at right angles to the measuring edge. An arm assembly 20 c... | 10/21/2008 |
| 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 |
| 7228636 | Pivoting rafter square with multiple insignia 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... | 06/12/2007 |
| 7165333 | Template and method of fabricating rafters A template and method for fabricating rafters. The template including a U-shaped component including a first arm with a slot, a second arm with a slot, and a base perpendicular to and connecting the first and second arms. The template also including an adjustable ma... | 01/23/2007 |
| 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 |
| 6978550 | Protractor and ruler combination 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 conce... | 12/27/2005 |
| 6918190 | Mechanism for simultaneously adjusting the step support angles of a straight staircase A mechanism for simultaneous angle adjustment of support elements (4), particularly for setting up a mold structure for the steps of a straight staircase, has a casing (9) in which at least two interdependent shafts (6) are arranged. Each of the... | 07/19/2005 |
| 6918189 | Combination layout tool A combination layout tool especially for use in larger building projects that can be used repeatedly to accurately produce different angles and cuts or layouts. The tool is provided with incremental angle slots in radial alignment with a notch in one side edge for p... | 07/19/2005 |
| 6792687 | Adjustable tool for cutting rafters 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... | 09/21/2004 |
| 6694633 | Common rafter and hip layout tool 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 ... | 02/24/2004 |
| 6591511 | Framing square An improved framing square having integral features for automating the marking and cutting of angles. The square contains two sliding carriages--one in the body and one in the blade. Each carriage has a deployable pin. In order to set an angle, the user f... | 07/15/2003 |
| 6293028 | Construction tool and method of use A construction tool and method for its use in laying out stud marks. The tool is adjustable and is especially suited for laying out stud marks on a rafter of a pitched roof so as to be aligned with the corresponding stud marks on a sill beneath the rafter... | 09/25/2001 |
| 5669149 | Folding framing square and layout tool The present invention discloses a folding framing square and layout tool which has an elongated base having a channel and two faces. Pivotally attached to the elongated base is an arm which opens up to a preset angle which is preferably ninety degrees (90... | 09/23/1997 |
| 5419053 | Measuring tool A measuring tool includes a primary body having an elongate rectangular primary ruler with a primary protractor at one end describing a segment of a circle. A secondary body is provided having a pair of parallel spaced members. Each of the parallel spaced... | 05/30/1995 |
| 5349758 | Woodworking square having multiple uses A woodworking square having multiple uses. The square may be used to locate long and short points for trimming an opening and may be used to locate pitch line for rafters in a quick, efficient manner. The device also serves as a arc or circle drawing inst... | 09/27/1994 |
| 5310995 | Stairway calculator A slide rule comprises, to calculate the parameters of a stairway to be installed between lower and upper floor surfaces, (a) a first scale on a stationary body denoting the number of risers, (b) a second scale on a first slide denoting the elevation of t... | 05/10/1994 |
| 5239762 | Layout tool A layout marking cut guide lines and drill hole locations on timber members during the construction of a timber structure. The layout tool is a quadrilateral planar body with a portion of one of its sides relieved to form a quadrilateral void. The layout ... | 08/31/1993 |
