Boots – shoes – and leggings
Patent
1980-10-08
1983-06-21
Chin, Gary
Boots, shoes, and leggings
340680, 377 15, 377 16, G06M 302
Patent
active
043897096
ABSTRACT:
A system is described for indicating the appropriate time to perform preventive maintenance operations upon a machine tool. The system includes a signal generator which is to be connected to the machine tool to generate signals whenever the tool is in operation. These signals are integrated and a threshold sensitive detector responsive to the output of the integrator produces a control signal. The control signal is then applied to a audio/visual indicating means to notify operators of the advent of a particular preventive maintenance operation to be performed upon the machine tool.
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Hirmann Georg
Knibiehler Ernst
Chin Gary
Gilman Michael G.
Huggett Charles A.
Kowalski Frank J.
Mobil Oil Corporation
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