Abstract: A first coupling member 10 has a body 11 and an internal poppet 16. The exterior of the body 11 includes flats 30. A lug 31 is formed on one of the flats 30 during machining of the flats 30. A dust cover attached to the first coupling member 11 includes a cover portion 40 and a tether portion 41. The cover portion 40 protects an exterior surface 19 of the body, and the cover portion 40 to and tether portion 41 each protects one lateral side of the lug 31. The tether portion 41 includes an annular ring portion 43 disposed in an annular groove 25. A second embodiment 110 of the first coupling member is also disclosed. A second coupling member 210 may be coupled to or uncoupled from either of the first coupling members 10 or 110.

Abstract: A first coupling member 10 has a body 11 and an internal poppet 16. The exterior of the body 11 includes flats 30. A lug 31 is formed on one of the flats 30 during machining of the flats 30. A dust cover attached to the first coupling member 11 includes a cover portion 40 and a tether portion 41. The cover portion 40 protects an exterior surface 19 of the body, and the cover portion 40 to and tether portion 41 each protects one lateral side of the lug 31. The tether portion 41 includes an annular ring portion 43 disposed in an annular groove 25. A second embodiment 110 of the first coupling member is also disclosed. A second coupling member 210 may be coupled to or uncoupled from either of the first coupling members 10 or 110.

Abstract: A hydraulic pressure intensifier system (10) for developing a high pressure fluid jet that utilizes an electric motor (84) for both pressurizing a hydraulic fluid and for controlling the pressure and/or flow of the high pressure fluid jet developed by the system. The intensifier system also utilizes a return spring for retraction of the piston which allows the hydraulic fluid and the high pressure fluid to be separated by an air gap to minimize the potential for cross-fluid contamination. A high pressure hose (66) connected to the output of the intensifier includes a check valve (70) at its distal end rather than at the outlet of the intensifier to allow fluid to be drained out of the hose and into the intensifier upon system shut down for instantaneous stoppage of the jet.