over center spring 44 stably holding the bolt 32 in the upward position even when power is removed from coil 38 a the bolt 32 is normally in this position before the washing machine 10 is started and after the washing machine 10 ends its cycles alternatively the bi stable actuator 36 may be a single solenoid coil not shown operating in either of two polarities with a permanent magnet internal armature referring now to fig4 a locking signal may be received by solenoid coil 38 b from the cycle timer assembly 30 pulling the armatures 40 and bolt 32 downward as depicted causing the over center spring 44 to snap downward holding the bolt 32 in that position even after removal of power of the unlocking signal in the coil 38 b as noted above in this position the bolt 32 interferes with the latching assembly 24 preventing the door 12 from being opened by the user when the bolt 32 is in the locked position an upwardly extending pin 46 on the bolt 32 moves proximate to a right end as depicted of an unlocking lever 48 pivoting about a pivot point 50 and held in an extreme clockwise position against the stop 52 by spring 54 a left end of the unlocking lever 48 opposite pivot point 50 with respect to the right end of the unlocking lever 48 is.