About 51 results
https://drivepatents.com/patents/1074979 · 17 Aug 2005
An improved laser level has a housing and a first shaft connected to the housing. Two bearings are disposed on the first shaft. A gimbal body is disposed on the two bearings. A second shaft is connected to the gimbal body. A third bearing is disposed on th...
https://drivepatents.com/patents/1078422 · 20 Apr 2005
A pair of rotary laser devices are vertically arranged while aligning their respective axes into a single axis and keeping said rotary laser devices away from each other in an axial direction thereof by a predetermined interval, and a light-receiving senso...
https://drivepatents.com/patents/1078447 · 20 Apr 2005
A photodetection device for a rotary laser system for projecting at least two fan-shaped beams tilted at a known angle with respect to a horizontal plane and having a known spreading angle, comprising at least three photodetectors arranged in a known relat...
https://drivepatents.com/patents/1078401 · 20 Apr 2005
A tilt detecting device to be installed in a system where installation position is changed, characterized in that the tilt detecting device comprising at least one bubble tube, a light emitting element having an optical axis perpendicularly crossing an axi...
https://drivepatents.com/patents/1078904 · 30 Mar 2005
The central zone (3) has a beam-spreading diffractive optic (19). It is prismatic and convex-cylindrical with its axis perpendicular to the beam axis. Side reflectors are arranged at 45[deg] to the beam axis (A) and mutually at 90[deg].
https://drivepatents.com/patents/1079866 · 23 Feb 2005
A laser level disposable on a reference surface includes a housing, a pendulum pivotably connected to the housing, a first laser diode disposed on the pendulum for emitting a first laser beam along a first path, a first lens disposed on the pendulum in the...
https://drivepatents.com/patents/1082668 · 3 Nov 2004
A line generating device may include a housing, a support assembly mounted within the housing, a light source mounted on the support assembly, a lens mounted on at least one of the support assembly and the light source, the lens receiving light and project...
https://drivepatents.com/patents/1089263 · 3 Mar 2004
A beam splitter (1) is configured by assembling three triangular prisms (1a, 1b 1c) having bottom surfaces formed in shapes of right isosceles triangles. A film (2) is formed on side surfaces of the prisms (1a, 1c) that include the edges of each right isos...
https://drivepatents.com/patents/1090376 · 14 Jan 2004
A laser irradiating system, comprising a light source for emitting a laser beam in elliptical shape, a light source holder for holding the light source, a base for rotatably supporting the light source holder, a first driving unit for rotating the light so...
https://drivepatents.com/patents/1090684 · 2 Jan 2004
A leveling system including a first post for contacting an upper surface, a second post for contacting a lower surface, wherein one of the first and second posts telescopes within the other of the first and second posts, a locking assembly disposed on the ...