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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 |
| 7472493 | Apparatus and method for locating a blind hole An apparatus for locating at least one site on a first side of a workpiece in a predetermined relation with at least one aperture located on a second side of the workpiece includes: (a) at least one first locus-fixing structure; each respective first locus-fixing st... | 01/06/2009 |
| 7284332 | Punch device and system comprising same A hole center marking system comprises a punch device and an alignment member. The punch device includes a body assembly and a punch movably disposed within the body assembly. The body assembly has a circular cross-sectional exterior shape at a first end portion the... | 10/23/2007 |
| 6158137 | Center locator tool The center locator tool has a flat, rectangular case with a top wall, a bottom wall, and two opposing side walls. The interior of the case houses a spur gear rotatably mounted on a center post extending through the center of the case, the center post havi... | 12/12/2000 |
| 6036332 | Illuminating centerpunch An illuminated centerpunch designed to illuminate the area on a workpiece where a punch mark is to be made. The centerpunch includes a hollow, cylindrical-shaped main body. Attached to the proximal end of the main body is a replaceable striking cap. Dispo... | 03/14/2000 |
| 5979068 | Sprinkler head location guide A gauge is disclosed to grid in the location of sprinkler lines above grid type suspended ceilings. The gauge is used after the grid is installed but before the overhead sprinkler system is completed and before the ceiling tiles are installed. The gauge i... | 11/09/1999 |
| 5383281 | Electrician's center point gauge to facilitate placing conduit holes in electrical boxes An electrician's center point gauge to facilitate placing conduit holes in electrical boxes wherein a circular disc is provided having a center hole and four 90°, circumferentially spaced notches in its peripheral edge. A trace is made of the circumferen... | 01/24/1995 |
| 4228594 | Layout tool for locating holes on structural steel A layout tool is movable along a structural beam or girder and includes measuring scales adapted to facilitate accurate location of holes to be formed at selected places on the beam. The tool is adapted for manual use at the construction site.... | 10/21/1980 |
