Storage system

• US 4,307,988 A
• Filed: 04/11/1978
• Issued: 12/29/1981
• Est. Priority Date: 12/28/1971
• Status: Expired due to Term

• Current Assignee: Harold L. Clark, Peter H. Page
• Original Assignee: Harold L. Clark, Peter H. Page
• Inventors: Clark, Harold L., Page, Peter H.
• Primary Examiner(s): Blix, Trygve M.
• Assistant Examiner(s): Rishell, Jr., Edmond G.
• Application Number:
  US05/895,455
• Time in Patent Office: 1,358 Days
• Field of Search: 414/267, 414/276, 414/277, 414/279, 414/281, 414/285, 414/911, 198/477, 198/473, 198/678, 198/812
• US Class Current: 414/276
• CPC Class Codes: B65G 1/0407 using stacker cranes constructional features of stacker cranes B66F9/06
• CPC Class Codes: B65G 1/08 the articles being fed by gravity braking arrangements for roller-ways B65G13/075; separating or stopping elements B65G47/88

Abstract

A storage system for articles comprising a plurality of inclined storage compartments where an unloading member on an elevator removes articles from given compartments and transfers the article to a conveyor from a transfer position on the elevator and the conveyor carries the articles to a delivery point.

Claims

1. A storage and removal system for articles suspended on a hanger comprising a plurality of rails inclined downwardly from a loading end to a removal end, each rail adapted to fully support hangers thereon with the articles therebelow, hangers on said rails, an upstanding stop on the ends of the rails to retain hangers thereon, the ends of said rails being arranged in coordinate columns and rows, a carriage having an elevator thereon movable vertically to a rail of a given row, means for moving said carriage to rails of a given column, an unloading member having an inclined stationary portion and a movable portion extending from said elevator, said movable portion arranged to pivotally move with respect to said elevator to lift a hanger over a stop and transfer a lifted hanger to said stationary portion whereby the hanger slides down said inclined stationary portion to a lower transfer position on said elevator, means for moving said unloading member to lift and transfer a hanger, and means for moving said elevator vertically on said carriage, conveyor guide means on said carriage and said elevator mounting on endless conveyor means thereon and defining a continuous closed path for said conveyor means in a generally vertical plane, said closed path including a predetermined path on said elevator whereby said elevator may move vertically on said carriage and said conveyor means follows said predetermined path on said elevator in all positions of said elevator, said predetermined path being adjacent said lower transfer position, means on said conveyor means for engaging and lifting an article at said transfer position, means for moving said conveyor means on said guide means and means for moving said elevator on said carriage.

2. The system of claim 1 wherein said movable portion of the unloading member includes means for limiting the number of hangers that may be lifted in one motion.

3. The system of claim 1 further including a plurality of hanger carriers movable in a continuous path on said carriage and said elevator, and means at said other end of said stationary portion at the elevator arranged to receive hangers from said stationary portion and transfer the hangers to a location to be picked up by said hanger carriers.

4. The system of claim 1 wherein said movable portion of the unloading member comprises a first rail member pivotal from a position below a hanger rail end to an inclined position above said rail end, another member pivoted about the same axis as said rail member and movable therewith toward an upward inclined position, means limiting downward pivotal motion of said another member so that said another member is located at said hanger rail end, said movable member extending beyond said another member by a predetermined dimension so as to lift only a predetermined number of said hangers.

5. A storage and removal system for articles suspended on hangers comprising first and second assemblies of hanger rails inclined downwardly from loading ends to a removal end, said first and second assemblies being downwardly inclined toward each other and defining a path therebetween, an upstanding stop on the ends of the rails, the ends of said rails being arranged in coordinate columns and rows, a carriage having an elevator thereon movable in said path to a rail of a given row, arm-like members extending from both sides of said elevator, said arm-like members being mounted to pivot below a hanger and upwardly to an inclined position to lift a hanger over the stop and allow the hanger to slide to the other end of said arm-like member, a plurality of hanger carriers movable in a continuous path on both sides of said carriage and said elevator, said carriers adapted to pick up hangers at said other end of said arms, a single transfer shaft extending on both sides of said carriage at a location below a path of travel of said carriers, and means for moving the hangers off of said carriers at said location so that hangers from said carriers fall onto said transport shaft in a hanging position on both sides of said carriage.

6. A storage and removal system for articles supported on inclined rails arranged in columns and rows and having stops thereon at a lower unloading end thereof comprising, a carriage movable along said unloading ends of said rails to rails of a given column, an elevator on said carriage vertically movable thereon to a given rail of a column, an article transfer position on said elevator, means for transferring a hanger from a rail to said transfer position, an endless conveyor means, conveyor guide means on said carriage and said elevator mounting said conveyor means thereon and defining a continuous closed path for said conveyor means in a generally vertical plane, said closed path including a predetermined path on said elevator whereby said elevator may move vertically on said carriage and said conveyor means follows said predetermined path on said elevator in all positions of said elevator, said predetermined path being adjacent said transfer position, means on said conveyor means for engaging and lifting an article at said transfer position, means for moving said conveyor means on said guide means and means for moving said elevator on said carriage.

7. The system of claim 6 further including hangers, said articles supported on said hangers, said means on said conveyor means are pin-like members extending therefrom, said predetermined path comprising a path generally horizontally beneath said transfer position and then upwardly whereby said pin-like members engage said hangers at said transfer position and then lift the hanger from said transfer position.

8. The system of claim 6 further including hangers, said articles supported on said hangers on individual rails, said transferring means comprises a stationary arm and a movable arm, said movable arm movable to an inclined position to lift a hanger over a stop whereby the hanger slides down said movable arm and said stationary arm to said transfer position.

9. The system of claim 6 further including further transfer means extending transversely to and in fixed relation to said carriage adjacent the upper portion of said carriage, and arranged to receive articles from said conveyor means.

10. The system of claim 9 further including hangers, said articles supported on said hangers, and said hangers are moved to said further transfer means from said conveyor means.

11. A storage and removal system for articles suspended on a hanger comprising a plurality of rails inclined downwardly from a loading end to a removal end, each rail adapted to fully support hangers thereon with the articles therebelow, hangers on said rails, means at the end of the rails to retain hangers thereon, the ends of said rails being arranged in addressable horizontally and vertically spaced positions, a carriage having an elevator thereon movable to a rail of a given vertical position, means for moving said carriage and elevator to a given rail of a given horizontal and vertical position, an unloading member on said elevator having an inclined stationary portion, means to transfer a hanger from the removal end of a rail to said stationary portion whereby the hanger slides down said inclined stationary portion to a lower transfer position on said elevator, an endless conveyor, conveyor guide means on said elevator and carriage mounting said conveyor to move in a closed path including a predetermined path on said elevator adjacent said transfer position whereby said elevator may move vertically on said carriage and said conveyor follows said predetermined path on said elevator in all positions of said elevator, said conveyor including hanger carriers thereon adapted to engage and remove hangers at said transfer position.

12. The system of claim 11 wherein said means to transfer includes means for simultaneously transferring a limited number of hangers.

13. The system of claim 11 further including means at the lower end of said stationary member arranged to receive hangers from said stationary member and transfer the hangers to a location to be picked up by said hanger carriers.

14. A storage and removal system for articles supported on inclined rails arranged in addressable horizontally and vertically spaced positions, comprising means for retaining said articles in succession thereon at a lower unloading end thereof, a carriage movable along said unloading ends of said rails, an elevator on said carriage vertically movable thereon to a rail of a given vertical position, means for transferring an article on a rail to a transfer position on said elevator, an endless conveyor means, conveyor guide means on said carriage and said elevator mounting said conveyor means thereon and defining a continuous closed path for said conveyor means in a generally vertical plane, said closed path including a predetermined path on said elevator whereby said elevator may move vertically on said carriage and said conveyor means follows said predetermined path on said elevator in all positions of said elevator on said carriage, said predetermined path being adjacent said transfer position, means on said conveyor means for engaging and removing an article at said transfer position, means for moving said conveyor means on said guide means, and means for moving said elevator on said carriage.

15. The system of claim 14 further including hangers, said hangers supporting said articles, said means on said conveyor are pin-like members, said predetermined path comprising a path generally horizontally beneath said transfer position and then upwardly whereby said pin-like members engage said hangers at said transfer positions and then lift said hangers from said transfer position.

16. A storage and removal system for articles comprising a plurality of elongated storage compartments inclined downwardly from a loading end to a removal end, each compartment adapted to fully support articles in succession, means to retain said articles in succession, the ends of said compartments being arranged in addressable horizontally and vertically spaced positions, a horizontally movable carriage having a vertically movable elevator thereon, means for addressing and moving said carriage and elevator to any of said spaced positions, an article transfer member having an end extending from said elevator adjacent an end of said compartment at any of said spaced positions, means for effecting article transfer between said respective adjacent ends and moving an article to a transfer position on said elevator, an endless conveyor, guide means for said conveyor on said carriage and on said elevator defining a predetermined path for said conveyor on said elevator adjacent said transfer position whereby said elevator may move vertically on said carriage and said conveyor follows said predetermined path on said elevator in all positions of said elevator, and means on said conveyor for engaging and removing articles at said transfer position on said elevator.

17. The system of claim 16 wherein said means for effecting transfer includes means for limiting the number of articles that may be transferred in one transfer operation.

18. The system of claim 16 including further conveyor means for a plurality of articles movable in a continuous path on said carriage at an upper transfer location on said carriage relative to said means for effecting transfer, and means for effecting article transfer from said endless conveyor to said further conveyor at said upper transfer location.