16) Vertical travel
The difference between the fully raised height of the platform deck and the fully closed height of the platform deck on a scissors lift.
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The difference between the fully raised height of the platform deck and the fully closed height of the platform deck on a scissors lift.
The maximum amount of single axle laod (in the case of rolling loads) which may be applied to the loading edge of a lift platform (end or side) when the lift is in its raised position.
A stationary (does not mean that nothing moves) movement assist device that is often equipped with end effectors for handling different types of loads. End effectors include all forms of grippers, forks, barrel grabs, etc. Manipulators counteract the weight of the load, rendering it almost weightless by way of hydraulic or pneumatic cylinders, or simply by way of counter weights and the exercising of very limited manual control. Most manipulators require manual actuation and control and are therefore manual assist devices. They are mounted to the floor, wall or ceiling. In some cases, manipulators are mounted to a fixed base plate and the entire unit can be moved via a trolley, cart or frok lift truck.
A basic form of below-the-hook lifting attachment which is suspended from a hoist or other lifting mechanism and simply wraps around the object to be moved and lifts it totally. Mesh netting is also used for securing loads to pallets.
The standard pallet in Europe. It is 1200 mm by 800 mm in dimension and has a wood block design between the top and bottom permitting four-way or four-sided entrance by lifting forks. Although other sizes exist in Europe, they are not nearly as prominent as the Euro-pallet.
Palletizers are special machines capable of building a complete unit load on a pallet. Although the most common application is for cases, some palletizers can also handle sacks and bags. A less common palletizer application would be for special products such as sheet stock. There are two general methods employed for automatically building a full pallet. One makes use of a fixed position or overhead gantry robot with end effectors suited to the individual loads, such as vacuum lifts or a gripper. The other method employs more complex mechanisms for forming pallet layers off line, one at a time, and then shifting or transferring each successive layer onto the pallet as it is lowered via a lift/lower table.
An industrial truck that is weighed at the rear of the truck to prevent (counter) any forward tipping of the truck that could occur when lifting a load.
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.
A manually powered fork truck. The operator physically pushes the forks into the opening on the pallet and "jacks" the racheting lift mechanism so as to raise the pallet off the floor. Once lifted, the load can be manually moved from place to place.
Also known as "tractors". Used solely to pull a string of unit load trailers and have no lifting capability. These can be operator driven or automatic/guided path. See also Tugger AGV .
An industrial lift truck that is utilized in aisles as narrow as 6 feet and has had the counterbalancing addressed by front end outriggers. These outriggers also serve to prevent the natural forward tipping motion that would be created as a load is lifted
A suspended machinery unit that, by use of manual operation, is used for lifting and lowering of a freely suspended (unguided) load. Generally uses chain (roller or link) as its lifting medium
A lever operated manual device used to lift. lower, or pull a load and to apply or release tension. Utilizes a ratchet and pawl mechanical configuration to incrementally raise or lower a load or to apply or release tension.
A lever operated manual device, utilizing polyester or nylon straps as the lifting medium, used to lift, lower, or pull a load and to apply or release tension.
A form of chain made up of a series of metal loops or links that are joined together pivotally and form a medium for lifting or conveying and transmitting power or motion.