A laser reference device includes at least one planar or flat surface and an internal laser light source for generating a laser light beam. A lens inside the device may convert the laser light into a fan-shaped beam, and project the beam adjacent the planar or flat surface of the housing. The fan-sh
A laser reference device includes at least one planar or flat surface and an internal laser light source for generating a laser light beam. A lens inside the device may convert the laser light into a fan-shaped beam, and project the beam adjacent the planar or flat surface of the housing. The fan-shaped beam thus projects along that surface of the housing. If the laser leveling device is placed with the flat surface on a table or floor, for example, the fan-shaped beam will be in a level plane. This allows a user to place the laser leveling device on a surface and generate a laser light to align surfaces or objects, such as objects on a wall.
대표청구항▼
What is claimed is: 1. A laser reference device disposable on a working surface, comprising: a housing having an outer reference surface that defines a reference plane; a laser light generator mounted within the housing for generating laser light and projecting a fan-shaped laser light beam outside
What is claimed is: 1. A laser reference device disposable on a working surface, comprising: a housing having an outer reference surface that defines a reference plane; a laser light generator mounted within the housing for generating laser light and projecting a fan-shaped laser light beam outside the housing immediately adjacent and substantially parallel to the reference surface; and an aiming device for adjusting a position of the laser light generator, wherein the reference surface is located immediately adjacent the working surface when the device is placed on the working surface, and the laser light beam projects substantially parallel and immediately adjacent to the working surface. 2. The device of claim 1, wherein the laser light generator comprises a laser light source and an optical device. 3. The device of claim 1, wherein the laser light generator comprises a laser light source and a lens. 4. The device of claim 1, wherein the laser light generator comprises a cylindrical lens. 5. The device of claim 1, wherein the aiming device is positioned for aiming at least one of a laser light source, a mirror and a lens. 6. The device of claim 1, wherein the housing comprises a second reference surface perpendicular to the reference surface. 7. The device of claim 6, wherein laser light beam is generated adjacent the second reference surface. 8. The device of claim 1, wherein the laser light is from about 625 nm to about 650 nm. 9. The device of claim 1, further comprising a switch for switching on and off a power source for the laser light source. 10. The device of claim 1, wherein the housing is in the shape of a triangle and further comprising a planar surface perpendicular to the reference surface, wherein laser light exits the device adjacent the planar surface. 11. The device of claim 1, wherein the laser light generator comprises a laser light source and a mirror. 12. The device of claim 1, further comprising at least one level indicator. 13. A laser reference device disposable on a working surface, the device comprising: a housing having a reference surface; a laser light generator mounted within the housing for generating laser light and projecting a fan-shaped laser light beam outside the housing immediately adjacent and substantially parallel to the reference surface; an aiming device for adjusting a position of the laser light generator; and at least one of a pencil and a pencil sharpener mounted on the device, wherein the reference surface is located immediately adjacent the working surface when the device is placed on the working surface, and the laser light beam projects substantially parallel and immediately adjacent to the working surface. 14. An aligning device disposable on a working surface, the device comprising: a housing having two outer reference surfaces that define two reference planes; a laser light generator mounted within the housing for generating laser light and projecting a fan-shaped laser light beam outside the housing immediately adjacent and substantially parallel to at least one of the reference planes; and an aiming device for adjusting a position or an angular orientation of a component of the laser light generator, wherein the at least one reference surface is located immediately adjacent the working surface when the device is placed on the working surface, and the laser light beam projects substantially parallel and immediately adjacent to the working surface. 15. The aligning device of claim 14, wherein the laser light generator comprises a laser light source and an optical device. 16. The device of claim 14, wherein the laser light generator comprises a laser light source and at least one of a lens and a mirror. 17. An aligning device disposable on a working surface, the device comprising: a housing having two reference surfaces; a laser light generator mounted within the housing for generating laser light and projecting a fan-shaped laser light beam outside the housing immediately adjacent and substantially parallel to at least one of the reference surfaces; an aiming device for adjusting a position or an angular orientation of a component of the laser light generator; and at least one of a pencil and a pencil sharpener mounted on the housing, wherein the at least one reference surface is located immediately adjacent the working surface when the device is placed on the working surface, and the laser light beam projects substantially parallel and immediately adjacent to the working surface. 18. The aligning device of claim 14, wherein the reference surfaces are perpendicular, and wherein laser light is distributed adjacent both surfaces. 19. The aligning device of claim 14, wherein the laser light generator comprises two laser light sources. 20. The aligning device of claim 14, wherein the housing comprises a triangle with two perpendicular surfaces or a carpenter's level with two parallel surfaces. 21. The aligning device of claim 14, further comprising at least one level indicator. 22. A method of making a laser aligning device that is disposable on a working surface, the method comprising: providing a housing having at least one outer planar surface that defines a reference plane; assembling a mirror into the housing; assembling a laser light source into the housing; and assembling an aiming device inside the housing for aiming at least one of the mirror and the light source, wherein a portion of the laser light reflected from the mirror leaves the laser aligning device in a fan-shaped beam defining a plane that is substantially parallel and immediately adjacent to the reference plane and substantially parallel and immediately adjacent to the working surface when the device is placed on the working surface. 23. The method of claim 22, further comprising assembling a lens into the housing, wherein the lens or the mirrored surface receives the laser light and transmits the laser light to the other of the lens and the mirrored surface, wherein laser light leaves the laser aligning device adjacent the working surface. 24. The method of claim 22, further comprising assembling an aiming device for aiming at least one of the lens and the laser light source. 25. The method of claim 22, further comprising assembling at least one level indicator parallel to or perpendicular to the at least one planar surface. 26. The method of claim 22, further comprising connecting a switch for a power source into the housing. 27. The device of claim 3 wherein the lens has a lens exit surface that is in the reference plane. 28. The device of claim 3 wherein the lens has a concave inlet face and planar exit surface. 29. The device of claim 3 wherein the mirror produces total internal reflection of the laser light. 30. The device of claim 3 wherein the laser light intersects a mirror at an angle of incidence and the aiming device adjusts the angle of incidence. 31. The device of claim 6 wherein the laser light is generated in a second fan-shaped beam that is substantially perpendicular to the working surface. 32. A laser reference device disposable on a working surface, comprising: a housing having an outer reference surface that defines a reference plane; a laser light generator mounted within the housing for generating laser light and projecting a fan-shaped laser light beam outside the housing immediately adjacent and substantially parallel to the reference surface; and an aiming device for adjusting a position of the laser light generator, wherein the reference surface is located immediately adjacent the working surface when the device is placed on the working surface, and the laser light beam projects substantially parallel and immediately adjacent to the working surface, wherein the housing comprises a second reference surface perpendicular to the reference surface, the laser light is generated in a second fan-shaped beam that is substantially perpendicular to the working surface, and the second fan-shaped beam diverges in one dimension at an angle of divergence and the second fan-shaped beam is aimed away from the reference surface at approximately one half of the angle of divergence such that an edge of the second fan-shaped beam is parallel to and aligned with the reference surface. 33. The device of claim 22 wherein the laser light is projected substantially within the reference plane.
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