Safety device for opening a pressure cooker with lug-bayonet type closure

摘要

Pressure cookers are disclosed comprising a pan having a pan ramp, a lid having a handle and a lid ramp cooperative with the pan ramp to provide a bayonet closure, such that the pan and lid ramps can be cooperatively engaged in the closed position, an abutment for preventing further rotation of the lid, a lock mechanism for locking the lid relative to the pan, a controller to control the lock mechanism to move it an unlocking and locking positions in which the lid cannot be removed from the pan, a pressure indicator mounted with respect to the lid movable between positions in which the pressure within the pressure cooker cannot leak therethrough and is permitted to leak therethrough, and a unitary assembly mounted on the lid independent of the handle in which the pressure indicator, the controller and the lock mechanism are mounted on the unitary assembly.