Torch or other gas fueled appliance and more particularly a coupling for connecting a fuel canister to a torch head or other appliance

摘要

A coupling for attaching a canister (1) to an appliance (2) comprises a first connector (6) on the canister (2) comprising screw threads (20) and a groove (22) and a second connector (12) on the appliance (2) that comprises a slip ring (38). The slip ring (38) retains the canister (1) on the appliance (2). An appliance (2) comprises a canister (1) having screw threads (20). A coupling connects the canister (1) to the appliance (2) separate from the screw threads (20) where the coupling locks the appliance (2) to the canister (1) without rotating the appliance (2) relative to the canister (1). The coupling locks the appliance (2) to the canister (1) when the canister (1) is moved axially relative to the appliance (2). A canister (1) is provided that has a connector (6) comprising a set of screw threads (20) for attaching the canister (1) to a first type of appliance (2), and a groove (22) for attaching the canister (1) to a second type of appliance (2). A method of connecting a canister (1) to an appliance (2) is also provided.