Patent ID: 9472362
Filing Date: 2016-10-18
CPC Classification: H01H,Y10T

Claim Text:
1. A rotation mechanism for a rotary switch, wherein the mechanism includes: a mechanism shaft configured to switch the switch between open and closed positions of the switch; a crank rotationally connected to the mechanism shaft; a spring connected to the crank, the spring having a dead point between the open and closed positions of the switch; and a force transmission roll rotationally connected to the crank, the mechanism shaft, the crank and the force transmission roll having a common axis of rotation, and wherein there is a predetermined rotational free-play between a rotation of the mechanism shaft and the crank, and a predetermined rotational free-play between a rotation of the crank and the force transmission roll, and wherein the switch includes one or more bodies housing one or more stationary contacts of the switch, each body housing a roll for rotating the movable contacts of the switch, the force transmission roll including one or more teeth to be mounted to respective slots of the roll of the topmost body such that the force transmission roll and the roll of the topmost body are rotationally engaged to each other.