Patent ID: 6840553
Filing Date: 2005-01-11
Classification: A47L,D06F,Y10S,Y10T

Abstract:
1. An apparatus for blocking and releasing a door lock of an electrical appliance, comprising: a blocking and release unit having a blocking state for blocking a locked door lock of an electrical appliance and a release state for enabling unlocking of the door lock and comprising an actuator, which effects, upon activation, a crossover from the release state to the blocking state if the blocking and release unit is in the release state and a crossover from the blocking state to the release state if the blocking and release unit is in the blocking state, and an emergency release unit having an idle state and a working state and comprising an actuator, which effects, in response to the crossover of the blocking and release unit into the blocking state, a crossover from the idle state into the working state and allows, in an abnormal operating state of the electrical appliance, a crossover from the working state into the idle state, wherein the emergency release unit in the event of the crossover from the working state into the idle state brings the blocking and release unit into the release state, and wherein the emergency release unit includes a spring as a force generating element for effecting the crossover from the working state into the idle state.