Patent ID: 6016975
Filing Date: 2000-01-25
Classification: B05B,B08B

Abstract:
A dual-action washing gun operable in two pressure modes including a high-pressure mode and a low-pressure mode, the gun being insertable downstream of a piping from a hydrocleaner; the gun comprising:a portion coupling to the piping supplied by a hydrocleaner;a spout at an end of the gun opposite the coupling;a trigger-operating shut-off valve disposed between the spout and a coupling to the piping supplied by a hydrocleaner;an outer tube (12);an internal tube (7) suppliable at high pressure and concentric with the outer tube, the internal tube including, adjacent the coupling, a cylindrical first bush (4); the first bush including at least one radial hole (5);a second bush axially slidable in a sealed manner on the first bush and further comprising a valve member (18) for shutting off the radial hole.