Gear cutting – milling – or planing – Milling – With means to protect operative or machine
Patent
1995-08-17
1996-11-05
Briggs, William R.
Gear cutting, milling, or planing
Milling
With means to protect operative or machine
74608, 160202, 160222, B23Q 1108, B23C 900
Patent
active
055709796
ABSTRACT:
A telescopic cover, provided for a machine tool, which comprises a first member slidable between first and second positions along an axis and having first and second ends provided toward the first and second positions respectively, a second member provided beneath the first member stationary along the axis, and a feeding mechanism for moving the first member along the axis, the feeding mechanism being provided in a space beneath a horizontal plane substantially coincide with the top face of the second member. The telescopic cover comprises a pair of telescopic cover assemblies which are provided over the feeding mechanism so as to retract and extend along an axis when the first member moves along the axis. The pair of telescopic cover assemblies comprises a pair of first cover members attached to the first and second ends of the fist member to move with the first member, a pair of second cover members provided for the respective first cover members. The second cover members are slidable relative to the respective first cover members along the axis to retract into and come out of the respective first cover members. The second cover members are connected by a pair of connecting rods extending parallel to the axis.
REFERENCES:
patent: 3565153 (1971-02-01), Loos et al.
patent: 3570578 (1971-03-01), Loos
patent: 3578061 (1971-05-01), Hascheck
patent: 3658113 (1972-04-01), Loos
patent: 4039021 (1977-08-01), Moritz
patent: 4522246 (1985-06-01), Bierbraver et al.
patent: 5156195 (1992-10-01), Wehler et al.
patent: 5169223 (1992-12-01), Suzuki et al.
Fujimoto Akihiko
Okamoto Shinya
Briggs William R.
Fanuc Ltd.
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