×

Bin unstacking machine

  • US 4,915,578 A
  • Filed: 07/25/1988
  • Issued: 04/10/1990
  • Est. Priority Date: 07/25/1988
  • Status: Expired due to Term
First Claim
Patent Images

1. In combination, a plurality of containers and a machine for unstacking one container from said plurality of containers and delivering said one container to a filling position, said machine comprising a frame, a first endless chain positioned adjacent opposite ends of said plurality of containers, said first chain being rotated about a first gear means and including a plurality of bars, said first chain and bars constituting means for engaging said plurality of containers and supporting the containers above a transport means, said transport means for conveying said one container away from said machine, said machine further including a second endless chain positioned adjacent to and parallel to each first endless chain, said second endless chain being rotated about a second gear means and including a plurality of tabs parallel to and adjacent said bars, said tabs contacting an upper edge of said one container, first driving means for synchronously driving said first and second chains, said second chain being driven at a speed greater than said first chain so that said second chain and tab disengage said one container from said plurality of containers, and second driving means for driving said transport means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×