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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 |
| 7370426 | Cutting tee square The apparatus includes a first plate for supporting the first surface of the article adjacent to the edge part of the article, a second plate extending from one end of the first plate in order to support the second surface of the article adjacent to the edge part of... | 05/13/2008 |
| 7269912 | Methods and apparatuses for mounting a flat panel video display Mounting tools and methods for using mounting tools are disclosed herein. In one embodiment, a mounting tool includes a template having a body configured to be releasably attachable to a support medium. The mounting tool further includes a projecting member configur... | 09/18/2007 |
| 7269906 | Marking gauge A marking gauge for marking a line parallel to an edge of a surface having a shaft, a fence for contact with the edge, and marker connections that allow markers of different types to be utilized in the alternative to mark the line. Other marking gauge features inclu... | 09/18/2007 |
| 7231720 | Inside/outside scribe The invention is an improved, hand-held, adjustable, graduated marking gauge and scribe for carpentry and related activities. It is used to mark work-pieces at a given distance from an adjacent edge or intersecting surface such as is encountered when fitting cabinet... | 06/19/2007 |
| 7191531 | Corner marking device A device that can be used to place lines on structures adjacent to a corner. The device includes an L-shaped body that has two sections that intersect each other at a right angle. A chalk-depositing roller is rotatably and movably mounted on each section and deposit... | 03/20/2007 |
| 7174650 | Sliding ruler square The present invention is a sliding ruler square that provides an adjustable and extendible straightedge element permitting a user to conveniently scribe lengthy cut lines at pre-selected angles across a work piece typically utilized in the construction industry with... | 02/13/2007 |
| 7010861 | Marking system A marking system that may be configured to achieve a variety of marking devices. The marking system includes a main body member and a plurality of downwardly directed marking members. ... | 03/14/2006 |
| 6619175 | V-cutter for an LCD light guide panel A V-cutter for use in forming V-shaped grooves (3) on a light guide panel (1) of the backlight unit for a liquid crystal display (LCD) is disclosed. The V-cutter may include a Z-axis lift piece (7) and a W-axis lift piece (8), each of which has a pin kit ... | 09/16/2003 |
| 6408527 | Scoring tool A scoring tool that is especially useful for scoring relatively flat and rigid materials, such as siding materials that are used as exterior trim on buildings, includes two scoring members that engage opposite sides of the sheet of material to provide a s... | 06/25/2002 |
| 5497558 | Multi-function drafting instrument A drafting instrument is disclosed that functions as a protractor, compass, T-square and ruler. The instrument is especially adaptable for use on dry erase boards, chalkboards and tables Apertures disposed in the ruler portion of the instrument accommodat... | 03/12/1996 |
| 5116153 | Multiple line writing instrument Disclosed herein is a multiple line writing instrument which is adapted for one-handed operation in the general manner of an ordinary pen or pencil and which accomodates variations in the writing angle at which the instrument may be applied to a writing s... | 05/26/1992 |
| 4943817 | Adaptor for universal X-Y plotter pen Presented is an adaptor for use with a universal plotter pen that enables use of the universal plotter pen in many different X-Y plotter mechanisms. The interior configuration and dimensions of the adaptor, including elongated longitudinal ribs, are such ... | 07/24/1990 |
| 4577409 | Pen changing apparatus for plotter A pen changing apparatus for a plotter is disclosed. A plurality of pens are mounted on a carriage in alignment with the axial direction of a shaft which is provided on the carriage as the sliding axis thereof. A guide shaft is fixed onto the carriage in ... | 03/25/1986 |
| 4455750 | Drafting tool for parallel lines A drafting tool is provided to assist in making parallel lines which can be horizontal, vertical or at any angle. The tool has two legs pivoted together and at least one of said legs carries a bar spaced above the drafting paper. The bar carries markers i... | 06/26/1984 |
| 4393600 | Structural beam square A structural beam square for laying out the web of a structural steel beam, or the like, is disclosed which includes a pair of arms which extend at right angles to each other. The arms have a T-shaped cross section and include coplanar stem members and fl... | 07/19/1983 |
| 4008522 | Chalkboard line tool Disclosed is a novel ruler apparatus useful for the rapid and precise marking of a plurality of parallel horizontal lines on a classroom blackboard or the like. This ruler, or line tool to which it is sometimes referred, includes, among other elements, an... | 02/22/1977 |
