Limit switch actuator

Details Limit switch actuator Limit switch actuator

1975-04-29

1976-10-05

Schaefer, Robert K.

Electricity: circuit makers and breakers

Limit switch

200153L, H01H 316

Patent

active

039846466

ABSTRACT:
An assembly for mounting limit switches directly on the cylinder of a fluid-actuated motor or similar linearly reciprocable actuator. An extruded housing of V-shaped cross-section has exterior slots for alternate mounting on fittings extending from the cylinder ports and interior slots for supporting limit switches in a variety of positions. A reciprocable rod carrying a switch actuating cam is slidably mounted in the housing and connected to the piston rod or other actuator by a novel yoke-and-connector arrangement which, by virtue of the free rotary movement allowed the rod and the annular shape of the cam, prevents misalignment between the cam and switches during assembly or maintenance of the parts. The unit furnishes maximum freedom of choice in positioning the switches, and is adaptable for various cylinder diameters.

REFERENCES:
patent: 3433907 (1969-03-01), Day

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