Electrical safety interlock switch - has key barrel intermediate lever and switch shaft with coaxial interlock bushes all in parallel axial location

摘要

The safety interlock switch, for electrical circuits, uses a rotating switch movement and a separate cylinder lock with interlocking rear mechanism to the rotatable switch mechanism. Intermediate linkages have parallel axes to those of the switch and lock mechanisms. The intermediate interlock mechanism (11) is to the switch shaft (8) and couples with a tubular bush (13) to achieve a further operational coupling to the switch control knot (12). The key barrel (28) is mounted onto the front plate (2) of the housing, as is the switch operate control (12), and the key interlock bar (23) is mounted between key mechanism (26) and switch shaft interlock (11) also parallel to both and with a fixing to the switch front plate (2).