Rotatable cam limit switch with variable timing and dwell

Details Rotatable cam limit switch with variable timing and dwell Rotatable cam limit switch with variable timing and dwell

1977-02-28

1978-09-05

Scott, James R.

Electricity: circuit makers and breakers

Retarded

Clock train

200 38E, 200 47, 200153L, H01H 1900, H01H 316

Patent

active

041122658

ABSTRACT:
A rotatable cam limit switch with a switch operating cam mounted directly on a continuously rotating drive shaft and axially shiftable relative to the shaft. The drive shaft is also provided with a "fast thread" for adjustable axial positioning of a timing element in slidable engagement with the cam. Manual axially adjustable yoke elements respectively engage the cam and timing element for establishing preselected switch dwell time and phase relationship between said switch and said shaft.

REFERENCES:
patent: 2563304 (1951-08-01), Bjork
patent: 2791656 (1957-05-01), Dehn et al.
patent: 3465269 (1969-09-01), Hendershot

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