Safety closure for pressure cooker lid - consists of piston slide mounted in hole, with lug joined to flap and safety valve, mounted in piston

摘要

The safety device for preventing the lid of a pressure cooker from becoming released is designed to prevent a lug (9) from operating, which acts in conjunction with the end of one of the ramp formations (3) on the edge (5, 4) of the receptacle (2). The safety device consists of a piston (17) slide-mounted in a hole (18) of the lid (1). The lug (9) is part of a rigid flap (19) which comprises an opening (20) facing the piston (17). The piston encloses a safety valve.