The present invention provides a method and apparatus for marking vehicles using a laser. In order to allow any part of the vehicle to be marked using a simple, strong laser beam delivery conduit, the laser is mounted on a structure 101 which extends over a vehicle station 102 . The structure define
The present invention provides a method and apparatus for marking vehicles using a laser. In order to allow any part of the vehicle to be marked using a simple, strong laser beam delivery conduit, the laser is mounted on a structure 101 which extends over a vehicle station 102 . The structure defines at least three laser mounting positions and preferably four laser mounting positions A, B, C, D, spaced apart from one another in two dimensions for mounting at least one laser apparatus 107 . The laser apparatus 107 comprises a laser emitter 108 for producing a laser beam adapted to mark a part of the vehicle and laser beam delivery means 110 for delivering a laser beam from the laser emitter 108 to a selectable point of the vehicle station 102 . The laser apparatus 107 is movable between at least two and preferably all four of the laser mounting positions A, B, C, and D.
대표청구항▼
1. An apparatus for marking vehicles, comprising:a structure extending adjacent to a vehicle station;the structure defining at least three laser mounting positions spaced apart from one another in at least two dimensions, for mounting at least one laser apparatus, the laser apparatus comprising a la
1. An apparatus for marking vehicles, comprising:a structure extending adjacent to a vehicle station;the structure defining at least three laser mounting positions spaced apart from one another in at least two dimensions, for mounting at least one laser apparatus, the laser apparatus comprising a laser for producing a laser beam adapted to mark a part of the vehicle and a flexible laser beam conduit for delivering a laser beam from the laser to a selectable point of the vehicle station, the laser apparatus being movable between at least two of the laser mounting positions. 2. An apparatus according to claim 1 wherein there are at least four laser mounting positions. 3. An apparatus according to claim 2, wherein a laser apparatus is provided which is movable between all of the first, second, third and fourth laser mounting positions. 4. An apparatus according to claim 3, further comprising at least one first track extending between a first second laser mounting position, along which a first laser support is movable, and a second track extending from the first laser support in a direction which is not parallel to the first track, a second laser support being provided which is movable along the second track, the laser apparatus being mounted on the second laser support. 5. An apparatus according to claim 1, wherein the laser beam conduit does not exceed 3.0 m in length, more preferably does not exceed 2.5 m in length and most preferably does not exceed 2.3 m in length. 6. An apparatus according to claim 1, wherein the laser comprises a carbon dioxide gas laser or an excimer laser. 7. An apparatus according to claim 6, wherein the laser comprises a radio frequency excited carbon dioxide laser. 8. An apparatus according to claim 1, wherein at least two of the laser mounting positions are located at different heights, a drive being provided for moving the laser apparatus between the laser mounting positions at different heights. 9. The apparatus according to claim 8, wherein the drive for moving the laser apparatus between the laser mounting positions at different heights comprises a pneumatic cylinder, motor driven screw or hydraulic cylinder. 10. An apparatus according to claim 1, wherein the laser beam conduit comprises at least two laser conduit sections joined together at a connection, the conduit sections being rotatably mounted with respect to each other at the connection. 11. The apparatus according to claim 10, wherein the conduit sections are rotatably mounted with respect to each other at the connection about two axis. 12. The apparatus according to claim 10, wherein there are at least three laser conduit sections. 13. The apparatus according to claim 10, wherein the laser beam conduit sections are each no more than one meter in length. 14. An apparatus according to claim 1, wherein the average power of the laser is 5-20 watts, the duty cycle comprising the ratio of time for which the laser is on to the time for which the laser is off is in the range 30-50% and the scanning speed of the laser beam over the part of the vehicle to be marked is 3000-6000 mm/s. 15. A method of marking a vehicle comprising:placing a vehicle in a vehicle stationmarking at least one part of the vehicle using vehicle marking apparatus mounted on a structure extending adjacent to the vehicle station, the structure defining at least three laser mounting positions spaced apart from one another in at least two dimensions, for mounting at least one laser apparatus, the laser apparatus comprising a laser for producing a laser beam adapted to mark part of the vehicle and a flexible laser beam conduit for delivering a laser beam from the laser to a selectable point of the vehicle station, the laser apparatus being moved between at least two of the laser mounting positions to allow different parts of the vehicle to be marked. 16. An apparatus for marking vehicles, comprising:a structure extending adjacent to a vehicle station;the structure defining at le ast three laser mounting positions spaced apart from one another in at least two dimensions, for mounting at least one laser apparatus, the laser apparatus comprising a laser for producing a laser beam adapted to mark a part of the vehicle and flexible laser beam delivery means for delivering a laser beam from the laser to a selectable point of the vehicle station, the laser apparatus being movable between at least two of the laser mounting positions. 17. A method of marking a vehicle comprising:placing a vehicle in a vehicle stationmarking at least one part of the vehicle using vehicle marking apparatus mounted on a structure extending adjacent to the vehicle station, the structure defining at least three laser mounting positions spaced apart from one another in at least two dimensions, for mounting at least one laser apparatus, the laser apparatus comprising a laser for producing a laser beam adapted to mark part of the vehicle and flexible laser beam delivery means for delivering a laser beam from the laser to a selectable point of the vehicle station, the laser apparatus being moved between at least two of the laser mounting positions to allow different parts of the vehicle to be marked.
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이 특허에 인용된 특허 (7)
Ziv Karni IL; Opher Kinrot IL, Device and method for laser marking.
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