Patent ID: 6796588
Filing Date: 2004-09-28
Classification: B25B,B25J,B65G,F16L

Abstract:
A suction device with telescopic evacuating pipes comprising:at least one cantilever having a glide groove at both sides thereof, respectively; a plurality of glide pieces movable along said glide grooves of said cantilever and positioned by fastening knobs, each of said glide pieces having a vacuum sucker at the bottom thereof and a first connector at the outer side thereof which is used to connect with said vacuum sucker through internal piping; a pipe-collecting piece installed at the inner end of said cantilever and used to join second connectors in connection with a vacuum generator through hose pipes; and a plurality of telescopic evacuating pipes having one end fastened at the outer end of said pipe-collecting piece and the other end connected to said first connector; wherein said telescopic evacuating pipe consists of several pipes all of which except the foremost pipe are formed with a reduction head at the front end thereof and all of which except the rearmost pipe are provided with a leak-tight O-ring.