Glossary


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31) Reach truck

Industrial trucks equipped with a telescoping fork arrangement that permits the stacking of loads double deep. For storage depths greater than two, there is at least one example in Europe where the fork unit mechanically disengages from the mast allowing it to run into the rack on narrow rails under its own power which is derived from the truck via an umbilical cord. Applications like this can be considered a very special case of a drive-in type storage rack.

32) Read/Write Tag

Technology that allows for a identification tag to be programmed and revised while the tag is still on the container, rack or pallet.

33) Reel racks

A storage rack configuration (one or more levels high) that is designed specifically to store reels of materials such as cable and cord.  The reels are "cradled" in the rack.

34) Reinforcing member

The component of rack decking which increases the capacity rating and rigidity of the assembly.  Examples are: channels, tubes, rods, etc.

35) RMA

Rack Manufacturers Institute, Inc. The Rack Manufacturers Institute, Inc. is an independent incorporated trade association affiliated with the Material Handling Industry.  The membership of RMI is made up of companies which produce the preponderance of industrial storage racks. Rack Manufacturers Institute 8720 Red Oak Blvd., Suite 201 Charlotte, NC  28217 Phone: (704) 676-1190    Fax:  (704) 676-1199 Jeff Woroniecki, Managing Director

36) R- Mark

In 1998, the members of the Rack Manufacturers Institute (RMI) voluntarily chose to cause conformance to RMI 97 and any successor documents(s) to be a condition of membership in the Association. In 1999, the members of RMI agreed to a certification process administered through a panel of independent Registered Professional Engineers.  Certification requires the submitter to demonstrate a working knowledge of RMI 97 including delivering evidence of various physical tests needed to compute frame and beam load tables. Upon satisfactory completion of the Certification Process, the submitter is awarded a license to apply a unique registered R-Mark to designs.  The R-Mark is only applied by a Licensed Professional Engineer along side of his/her PE seal. The process is open to all rack manufacturers.  RMI encourages specifiers and users of Industrial Steel Storage Rack to consider the value of R-Mark certification when applying racking solutions.

37) Rotary rack

A rotary rack is a special variation of a horizontal carousel. In this case each vertical level or storage location is mechanically independent of the location above or beneath it. Each level in turn is driven by a separate and independent drive. Therefore, simultaneous, independent rotation of each level is possible (in any direction). Although replenishment and picking can be accomplished manually, most rotary racks incorporate automatic load inserters and extractors. See also Horizontal Carousels and/or AS/RS .

38) Selective rack

Steel storage racks arranged in either single or back-to-back (double) rows.  Each of the rows offers a bay or number of bays in the down aisle direction.  Pallets are generally positioned side-by-side in the down-aisle direction at each level of the bay.  The advantage to this configuration of rack is that all pallets are accessible from the facing aisle.

39) Shelf

A storage surface located above the floor level and usually contained in shelving system or rack system. The formed steel sheet which attaches horizontally to the posts and supports the load.  Shelves are available in many sizes and a number of capacities. Shelves should be specified based on the customer's requirements and uniform load capacity that the shelf must support.  Steel gauge, shelf formation and reinforcing varies from manufacturer to manufacturer and thus determines shelf capacity.

40) Shelf depth

The horizontal distance measured between the outside faces of beams.

41) Shelf divider

A formed steel partition placed within the shelf opening to subdivide it into smaller compartments.  Some types of dividers include: full height, angle, tapered, sliding, floating.

42) Shelf opening

The basic shelving compartment formed between two shelves within a unit of shelving.

43) Shelf reinforcement

A variety of flat bars, angles, channels or other formed sections which are placed within or under the shelf to reinforce the shelf and prevent damage due to shock loading.

44) Shelving post system

The vertical upright member that supports the horizontal shelf.  Posts are manufactured in a variety of configurations.

45) Side loader truck

An industrial truck with lifting capabilities and able to accommodate the narrowest of aisles, depending upon the model and type, all the way down to the 5 foot range. Trucks operating in this range are sometimes called very narrow aisle (VNA) trucks. With the exception of the platform type sideloader, the fork and/or the entire mast on a VNA style truck is capable of rotating or swiveling 90 degrees left or right within the aisle from the down aisle orientation. Some manufacturers have models that can stack in storage racks 10-12 pallets high.