Title: 62 FDV - Heis (TKS).pdf.pdf
The toothed wheel, the ratchet disc (= parts of the overspeed governor) and the shaft of the safety gear can be connected with a common center of rotation (the transmission bar passes through the overspeed governor) or by means of a rod (the shaft of the safety gear is positive connected to the ratchet disc). Therefore, the force of toothed belt is to regard as the engaging force acting on the lever of the shaft of the safety gear.3.5As the overspeed governor and the safety gear are firmly attached acting as one, only one common electrical safety switch is necessary.The meaning is, based on this common electrical safety switch, the drive will power off if➢ Engaging of safety gear parts not by an overspeed governor or