Geometrical instruments inventions 03/08

20080072439 - Portable self-leveling laser emitter with plumb beam: A self-leveling laser emitter (1) has a portable housing (2) in which a beam unit (5) is mounted so as to be swivelable in two dimensions in a self-leveling manner at a bearing point (4) arranged in the area of one third to two thirds of the height (H) of... Agent: Abelman, Frayne & Schwab

20080072441 - Masonry guiding tool: A masonry guiding tool for attachment to a backing wall, comprising a base member for attachment to the backing wall and an elbowed plumb line holder. The plumb line holder comprises an elongated mounting portion defining a first axis therealong, the mounting portion being movably carried by the base member... Agent: Fraser Clemens Martin & Miller LLC

20080066329 - Laser level: A laser level includes a housing, a pendulum pivotably mounted to the housing, and a laser diode assembly disposed on the pendulum. A gimbal assembly is employed for pivotably mounting the pendulum to the housing. The gimbal assembly includes a frame connected to the housing, a first pair of bearings... Agent: Mehul R. Jani Black & Decker Corporation

20080066330 - Marking device: A marking device, e.g., a hand-held marking tool for positioning markings, includes a first arrangement which make it possible to position the device in a predefinable first position of a reference surface, and a second arrangement for leveling the device relative to the reference surface, as well as a tracking... Agent: Kenyon & Kenyon LLP

20080066331 - Magnetometer correction system and method: A compass correction system and method which utilizes data from the vehicle bus, vehicle sensors and vehicle subsystems to determine a compass correction factor.... Agent: Foley & Lardner LLP

20080060209 - Tape measure end piece with slidable hook: A measuring tape having a concave blade marked with a measuring scale on the concave surface, and an end hook having a hooking portion, wherein the end hook has a portion which partially covers and is attached to the convex side of the blade and is slidable between limit points... Agent: Buchanan, Ingersoll & Rooney PC

20080052933 - Inclination sensor and azimuth measuring apparatus using inclination sensor: A mobile device or the like having a 3-axis electronic compass is rotated, and the outputs from magnetic sensors disposed in the three axis directions are input to a first arithmetic processing unit (11) so as to obtain the magnetic data X, Y, and Z. By inputting the magnetic data... Agent: Beyer Weaver LLP

20080052935 - Chalk box: A chalk box including a housing, a reel, a line, an opening through which the line enters and exits the housing, and a removable cap located proximate the opening. The chalk box may also include a seal or seals located between the handle and the chalk to inhibit entry of... Agent: Foley & Lardner LLP

20080052937 - Tool for scribing tile: A tool for scribing tile includes a base member, a bottom member, and one or more bottom member opening. Further, bottom member is coupled to the base member through the one or more bottom member opening by at least one bottom fastener and slidable relative to the base member. The... Agent: Kevin M. Farrell Pierce Atwood

20080052938 - Construction layout and angle measurement tool: A construction layout and angle measurement tool includes opposite working sides having unique indicia for establishing angles from side edges or corners of building materials. When used with a reference line, and when attached to the workpiece, the tool allows site layout and evaluation by only one person. The tool... Agent: John S. Beulick Armstrong Teasdale LLP