Variable lead device for circular scan tracers

Details Variable lead device for circular scan tracers Variable lead device for circular scan tracers

1978-10-30

1980-12-09

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250236, G05B 100

Patent

active

042386730

ABSTRACT:
An improved circular scan line tracing device for use in connection with flame or plasma cutting machines, as well as other machine tools, is disclosed which features provision for adjustment of the lead of the tracing device while the machine is operating.

REFERENCES:
patent: 3004166 (1961-10-01), Greene
patent: 3037888 (1962-06-01), Lobosco et al.
patent: 3094624 (1963-06-01), Wills
patent: 3128383 (1964-04-01), Brouwer et al.
patent: 3499155 (1970-03-01), Turbett
patent: 3704372 (1972-11-01), Parker et al.
patent: 3704373 (1972-11-01), Bardwell et al.
patent: 4128297 (1978-12-01), Bourne

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