A mechanisms for interlocking access doors of appliances such as clothes washing machines to prevent an operator from introducing his hand into an enclosure while machinery is moving therein includes a striker affixed to the appliance door extending from the door hinge in a direction opposite to that of the door engages a linkage which passes through the enclosure wall and operates an interlock switch mounted on the wall and outside the enclosure. Using the invention the interlock switch may be located in a protected piece outside the enclosure where the washing takes place, and the linkage connecting the access door to the switch may be placed where it is difficult to tamper with.
