Walking floor

Walking floor

to enter the trailer. The system can quickly unload loose material without having to tip the trailer or tilt the floor as with other dumping systems. Walking floor is registered trademark of Keith Manufacturing, Inc., usually capitalized as WALKING FLOOR.

How it works

The Walking Floor is divided into three sets of narrow floor slats, with every third slat connected together, hydraulically-powered to move forward and backward either in unison, or alternately. When all three sets move in unison, the load is moved upon them in the direction the operator wishes. Slat retraction (during which the load does not move) is accomplished by moving only one set of slats at a time. (The friction of the load on the two stationary sets of slats keeps the load from moving while a single set of slats alternately slides past.)

Use in a Trailer

Optionally, the semi-trailer may include a movable front wall with a rubber flap at the bottom extending onto the floor, or simply a movable flap or tarp at the front of the trailer bed on which the material was loaded. During unloading of loose material, either of these will ensure that nothing is left behind, almost or completely eliminating having to sweep the floor.

It takes about 5 to 15 minutes to unload a full 13.6 meter trailer, taking less manpower, equipment and time than without the system. The operator can enter a narrow low gate and dump the load inside a building. With a conventional tipper (or dump truck), that is often not possible. It is also possible to handle a full-width or full-length pallets, without opening the sides of the trailer.

Pallet Walker

A similar system, also made by Keith, is the 'Pallet Walker' specifically for moving pallets. It uses only two (rather than three) sets of slats; where one set raises the load just enough for the second set to retract. After the load-raiser lowers and retracts, then both sets move together to actually move the load. Load capacity is 30 tons and floor speed is up to 12 feet/minute.

External links

* [http://www.keithwalkingfloor.com/how_it_works.html Keith Walking Floor]
* [http://www.keithwalkingfloor.com/pallet_floor.html Keith Pallet Walker]


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