| 主权项 |
1. A laser engraving device, comprising:
a platform defining a loading table at a first elevation, said loading table defining a curb that defines a closed geometric shape; a tool post; a laser carriage mounted on said tool post for upward and downward movement relative to said platform; a laser carried on said laser carriage; and a retractable enclosure suspended from said laser carriage, said retractable enclosure being retractable and extendable in the vertical direction and having a bottom edge defining a bottom opening, said bottom edge having a bottom edge shape that matches the closed geometric shape of the curb; wherein said retractable enclosure is movable from a retracted position in which the bottom edge is at an elevation spaced upwardly above the elevation of the loading table, to an extended position in which the bottom edge is received in said curb. |
