FIELD: electricity.
SUBSTANCE: electric device (1) consists of three connecting arms (110, 120, 130), which can be turned between the upper position and initial position at base (101). So called safety lever, one of three connecting arms, is installed close to another of two connecting arms so that in upper position it forms barrier preventing downward movement of another connecting arm.
EFFECT: elimination of incorrect connection for electric device.
15 cl, 11 dwg
Authors
Dates
2012-04-10—Published
2008-03-04—Filed