A tape measure includes a housing, a rule blade coilable within the housing, and a light plane generator disposed on the housing. The light plane generator may include a laser source for emitting a laser beam and a line lens in the path of the laser beam for converting the laser beam into a laser p
A tape measure includes a housing, a rule blade coilable within the housing, and a light plane generator disposed on the housing. The light plane generator may include a laser source for emitting a laser beam and a line lens in the path of the laser beam for converting the laser beam into a laser plane. Preferably, the laser plane intersects both the rule blade and a workpiece. The light plane generator may be pivoted about a horizontal axis and/or a vertical axis.
대표청구항▼
The invention claimed is: 1. A tape measure disposable on a surface comprising: a housing; a rule blade coilable within the housing, the rule blade including indicia for making a measurement; and a light plane generator disposed on the housing, the light plane generator operable to emit a laser lig
The invention claimed is: 1. A tape measure disposable on a surface comprising: a housing; a rule blade coilable within the housing, the rule blade including indicia for making a measurement; and a light plane generator disposed on the housing, the light plane generator operable to emit a laser light plane to create a light line on at least one of the rule blade and the surface; wherein the light plane generator comprises a laser source for emitting a laser beam and a line lens for converting the laser beam into the laser light plane, and wherein the laser light plane is adapted to align with the indicia on the rule blade and at least one point on the surface. 2. The tape measure of claim 1, wherein the light plane generator is adapted to pivot about a horizontal axis. 3. The tape measure of claim 1, wherein the light plane generator is adapted to pivot about a vertieal axis. 4. The tape measure of claim 1 further comprising a bracket configured to removably receive the housing, the bracket including a flange extending downwardly therefrom. 5. The tape measure of claim 1 further comprising a neck attached to the housing, the neck supporting the light plane generator. 6. The tape measure of claim 5, wherein the neck is pivotally attached to the housing. 7. The tape measure of claim 6, wherein the neck pivots relative to the housing about a vertical axis. 8. The tape measure of claim 6, wherein one of the neck and the housing has a detent notch, and the other of the neck and the housing has a detent biased towards the detent notch. 9. The tape measure of claim 5, wherein the light plane generator is pivotally attached to the neck. 10. The tape measure of claim 9, wherein the light plane generator pivots relative to the neck about a horizontal axis. 11. The tape measure of claim 9, wherein the light plane generator pivots relative to the housing about a horizontal axis. 12. A measuring device comprising: a housing; a rule blade adapted to extend from the housing, the rule blade including a blade surface extending between a first blade edge and a second blade edge, and indicia on the blade surface, the indicia configured for making a measurement; and a light generator operable to emit a light plane extending from a point located on the blade surface to a point located beyond at least one of the first blade edge and the second blade edge, wherein the light plane is configured to align the indicia on the blade surface with the point located beyond at least one of the first blade edge and the second blade edge. 13. The measuring device of claim 12, wherein the light plane is a laser light plane and the light generator comprises: a laser source configured to emit a laser beam; and a line lens operable to convert the laser beam into the laser light plane. 14. The measuring device of claim 12, wherein the rule blade is operable to extend over a work piece, and the light plane creates a light line that is projected onto both the work piece and the rule blade, creating a light line thereon. 15. The measuring device of claim 12, wherein the light generator is configured to rotate with respect to the housing to change the angle of the light plane relative to the rule blade. 16. The measuring device of claim 12, wherein the light generator is operable to rotate from a first position, in which the light plane extends from the rule blade to a point beyond the first blade edge, to a second position, in which the light plane extends from the rule blade to a point beyond the second blade edge. 17. The measuring device of claim 12, wherein the light generator is pivotally coupled to the housing. 18. The measuring device of claim 12, wherein the light plane extends from a point on the blade surface to points located beyond both the first blade edge and the second blade edge. 19. The measuring device of claim 12 further comprising a bracket operable to pivot from a first, stowed position to a second, extended position for contacting a work piece. 20. The measuring device of claim 12 further comprising a bracket coupled to the measuring device, the bracket including a tab configured to engage an edge of a workpiece. 21. A measuring device comprising: a housing; a rule blade operable to extend from the housing, the blade including a blade surface extending between a first blade edge and a second blade edge; and a laser light plane generator operable to selectively emit a light line onto at least one of an area located on the blade surface, an area located beyond the first blade edge, and an area beyond the second blade edge; wherein the rule blade surface includes indicia for making a measurement and the light line is configured to align the indicia with at least one point located beyond one or more of the blade edges.
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이 특허에 인용된 특허 (75)
Jan Der-Shyang,TWX ; Chen Tony Kuo-Ti,TWX, 3D laser leveler.
Bickford Dudley V. (Chester CT) Cofek Henry R. (Groton MA) Robinson Hugh (Wenham MA) Wilder Bruce A. (Clinton CT), Coilable tape rule with improved connection between spring and blade.
Hastings Michael R. (25 Dole Rd. Gill MA 01376) Remillard John E. (Box 271 Bernardston MA 01337), Combination tape measure and straight edge apparatus.
McKnight Fred H. (2085 Lincolnshire Dr. Marrero LA 70072), Lighted and magnetized tape measure with combination marker and clothing-attachment arm member.
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