Gear cutting – milling – or planing – Milling – Including means to infeed work to cutter
Patent
1987-10-22
1989-05-23
Sikes, William L.
Gear cutting, milling, or planing
Milling
Including means to infeed work to cutter
409149, 409162, B23C 900
Patent
active
048325449
ABSTRACT:
The present invention provides an improved piston milling machine. The invention milling machine in a preferred embodiment incorporates a breakaway lift arm whereupon a workpiece caught in the machinery will not damage the lift arm assemblies of the machine. Any excessive loads causing the lift arm to break away will further signal the milling machine to cease operations.
REFERENCES:
patent: 2694960 (1954-11-01), Kahle et al.
patent: 4362196 (1982-12-01), Ferdinand et al.
patent: 4536112 (1985-08-01), Horsky et al.
patent: 4664571 (1987-05-01), Takada et al.
Fuhs Norbert M.
Parkes Larry J.
Yeary Robert L.
General Motors Corporation
Gonzalez Frank
Helms Ernest E.
Sikes William L.
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