Milling and boring machine incorporating a gantry
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United States of America Patent
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Dec 27, 1994
Grant Date -
N/A
app pub date -
Sep 24, 1993
filing date -
Sep 29, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a vertical milling and boring machine incorporating a gantry, comprising a lower table adapted to support the pieces to be machined, a gantry comprising two uprights disposed on either side of the table and a tie joining the upper ends of said uprights, a crosspiece supported by said gantry and mobile vertically along said uprights, a carriage supported by said crosspiece and mobile horizontally and a tool-holder member mounted to move vertically on said carriage, said table and said gantry being capable of moving with respect to each other, characterized in that the tie presents a flat front face located in the plane of the front faces of the uprights, in that the crosspiece is mobile vertically solely along the front face of said tie, and in that the rear face of the crosspiece is maintained in abutment on the front face of the tie and on the front faces of the uprights, at least during the machining phases, by locking means.
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