Lifting device

B - Operations – Transporting – 66 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

B66C 1/02 (2006.01) B65G 47/91 (2006.01)

Patent

CA 2255751

The present invention relates to an apparatus for lifting and moving articles, comprising at least one arrangement (12) with a cavity (14), hereafter called vacuum chamber, which is connected to an arrangement (40) which is capable of producing negative pressure in said vacuum chamber, the underside of said lower plate (16) being provided with an elastic airtight bottom (18) and also being provided with a number of first through-passages (20) to said vaccuum chamber. The invention is characterized in that each first passage (20) is of cylindrical design with a diameter reduction in the part which is connected to the vacuum chamber, forming a shoulder (22) in the passage, in that the passage contains a body (30) arranged movably in said passage, in that said body, in planes which are at right angles to the centre line of the passage, has a greatest diameter which is only slightly smaller than the diameter of said first passage (20), and in that said first passage is provided with a second passage (24) with a considerably smaller diameter than the first passage (20), said body (30) being capable of essentially blocking said first passage (20) when a negative pressure is obtained in the vacuum chamber (14) with the exception of a given air flow in said second passage (24).

L'invention concerne un dispositif servant à lever et à déplacer des articles et comprenant au moins un ensemble (12) pourvu d'une cavité (14), désignée chambre à vide, reliée à un ensemble (40) capable de produire une pression négative dans ladite chambre à vide, le côté inférieur d'une plaque inférieure (16) comportant un fond (18) élastique imperméable à l'air, ainsi que plusieurs premiers passages (20) conduisant à ladite chambre à vide. L'invention est caractérisée par le fait que chaque premier passage (20) est de forme cylindrique et présente une diminution de diamètre dans la partie reliée à la chambre à vide, ce qui crée un épaulement (22) dans le passage, que le passage contient un corps (30) mobile dans ledit passage, que ledit corps, dans des plans situés à angle droit par rapport à la ligne médiane du passage, possède un diamètre maximum qui n'est que légèrement plus petit que le diamètre dudit premier passage (20) et que ledit premier passage comporte un deuxième passage (24) dont le diamètre est considérablement plus petit que celui du premier passage (20), ledit corps (30) étant capable de bloquer ledit premier passage (20) quand une pression négative est générée dans la chambre à vide (14), à l'exception d'un écoulement d'air donné dans ledit deuxième passage (24).

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Lifting device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lifting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lifting device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1867299

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.