Patent Number: 6,305,668

Title: Compact lifter

Abstract: A compact lifter is disclosed which lifts a lifting platen by at least one actuating cylinder with a minimum number of posts or guide shafts to guide the platen as it is being lifted to ensure reliability and reproducibility, each of the posts being received by at least a pair of bearings on each post to hold the post steady and true in position during the lifting operation. The lifter can be in constructed in a two post or a four post configuration, among others. An enclosure is disclosed for completely enclosing the working mechanism to prevent environmental contaminants from entering the workings and damaging the machinery.

Inventors: Edens; Rudolph R. (Richmond, MI)


International Classification: B66F 3/24 (20060101); F15B 11/00 (20060101); F15B 11/048 (20060101); F15B 15/22 (20060101); F15B 15/14 (20060101); F15B 15/00 (20060101); B66F 003/24 ()

Expiration Date: 10/23/2018