×

Automatic storage and retrieval system

  • US 5,405,232 A
  • Filed: 04/02/1993
  • Issued: 04/11/1995
  • Est. Priority Date: 05/20/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. A storage and retrieval machine comprisinga base adapted to move horizontally along a supporting surface,a generally vertical mast supported by said base,a carriage supported for generally vertical movement along said mast, said carriage including an upwardly facing surface, andan extendable and retractable shuttle mechanism supported by said carriage, said shuttle mechanism including an upper plate fixed against horizontal movement relative to said carriage, an intermediate plate which is located below said upper plate and which is supported by said upper plate for horizontal movement relative thereto, and a lower plate which is located below said intermediate plate and above said upwardly facing surface of said carriage and which is supported by said intermediate plate for horizontal movement relative thereto, said shuttle mechanism being operable between a retracted condition wherein said intermediate plate is located directly below said upper plate and said lower plate is located directly below said intermediate plate, and an extended condition wherein said intermediate plate extends outwardly in one direction relative to said upper plate and said lower plate extends outwardly in said one direction relative to said intermediate plate, said shuttle mechanism sliding objects onto and off said upwardly facing surface of said carriage.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×