Coil retainer/positioner for inductive proximity sensor

Details Coil retainer/positioner for inductive proximity sensor Coil retainer/positioner for inductive proximity sensor

1997-03-18

1998-09-29

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

29606, 32420716, 324234, 336 92, 336197, 336229, G01B 714, G01R 3300, H01F 2730, H01F 4100

Patent

active

058149864

ABSTRACT:
A coil is inherently aligned with the open face of a cup core and prevented from recessing into the core upon assembly of the coil and core into a housing by placing a resilient foam washer within the core under the coil to cause the coil to normally extend beyond the open face of the core and subsequently securing the subassembled core and coil pressed against a common internal surface of the housing, compressing the foam washer. Internal tabs on the foam washer are compressed between the center boss of the cup core and the internal surfaces of the coil opening to retain the coil assembled to the core as a separate subassembly.

REFERENCES:
patent: 3743853 (1973-07-01), Dittman et al.
patent: 3996510 (1976-12-01), Guichard
patent: 4419646 (1983-12-01), Hermle
patent: 4455528 (1984-06-01), Walker
patent: 5278498 (1994-01-01), Vernon et al.

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