Printed wiring board mounted control instrument

摘要

A control instrument which is mounted in a recess on a printed wiring board is disclosed. The control instrument includes terminals, provided at a bottom surface and offset from a central plane, which engage pattern portions formed at a bottom section of the recess. A resilient member is provided over a top portion the control instrument. Leg members of the resilient member extend over opposite side walls the control instrument. The leg members project outward at a central portion and have apertures formed therein. The control instrument can also have longitudinal grooves over which the leg members extend.