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Method for stacking inserts for FOL and EOL carriers using singulated MHSs and elevating tray or carrier lift platforms

IP.com Disclosure Number: IPCOM000011428D
Publication Date: 2003-Feb-19
Document File: 4 page(s) / 133K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a method for stacking inserts for forward operating location (FOL) and end of line (EOL) carriers using singulated material handling systems (MHSs) and elevating tray or carrier lift platforms. Benefits include improved functionality.

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Method for stacking inserts for FOL and EOL carriers using singulated MHSs and elevating tray or carrier lift platforms

Disclosed is a method for stacking inserts for forward operating location (FOL) and end of line (EOL) carriers using singulated material handling systems (MHSs) and elevating tray or carrier lift platforms. Benefits include improved functionality.

Background

              The stacking and singulating of carriers on the platform elevator load/unloader of an MHS is an identified logistical problem. Standardized carriers enable the use of a greater variety of MHS tools.

              Conventionally, large 25-carrier magazines are utilized with expensive carts to load large MHS loaders and unloaders. No single metal carrier or stacking system is capable of emulating a Joint Electronic Devices Engineering Council (JEDEC) tray.

      No conventional solution exists for multiple metal FOL/EOL carrier stacking and loading. Carriers are magazine loaded and transported on specialized carts designed for specialized MHS systems.

General description

              The disclosed method is stacking inserts for FOL and EOL carriers using singulated MHSs and elevating tray or carrier lift platforms. An E-shaped insert slides onto the ends of a FOL or EOL carrier. The method enables carrier stacking and balanced placement onto ascending and descending elevator lifts, which are common assembly/test material handling systems based on atrium or elevator style handlers.

              The key elements of the method include:

•             Stacking elevator inserts can be fabricated by molding, machining, or injecting metal and/or plastic in multiple colors.

•             Stacking elevator inserts enables variable gap heights between trays when stacked atop one another. This design facilitates singulator lift operation on certain styles of MHSs used with JEDEC trays. The stacking inserts enables JEDEC tray emulation for metal carriers.

•             Sacking elevator inserts can be of variable lengths, but nominally range from slightly less than 1 inch to 1.5 inches in length.

•             Stacking elevator inserts can be slid onto either tray end without polarity.

•             Stacking elevator inserts are held on by friction as well as a clip under the top plate front (and rear) lips. This feature prevents them from slipping off during transport operation in either direction. They slide onto the interior four corners of both legs and add no additional width to the boat nor interfere with the carrier pocket springs.

•             Inserts utilize the thickness o...