Patent ID: 6450069
Filing Date: 2002-09-17
Classification: B25B

Abstract:
A multi-purpose wrench for use in opening valves on gas cylinders of various sizes comprising:a handle; a socket attached to one end of the handle and engaging the stem of a valve of a gas cylinder one size to open and close the valve, the socket including a plurality of openings sized to fit different valve stems so the wrench can be used on different cylinders, the socket having an upper surface and a lower surface with an opening of the same size and shape formed in each surface whereby when a valve stem is fitted into one of the openings and the wrench is turned the valve is opened, and when the valve stem is fitted into the corresponding opening in the opposite surface of the socket and the wrench is turned, the valve is closed; and, a disc attached to the other end of the handle for opening gas cylinders of a different size, the disc including at least one pin which engages a valve wheel of the cylinder for the wrench to rotate the wheel and open the valve.