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A below-the-hook attaching device which, using a jaw-like scissor gripping action, clamps or locks onto a piece of material. This device is attached to the hook of a hoist or the end effector of a manipulator and usually is used to pick up sheets of material such as wood or metal.
An overhead traveling crane that utilizes a "box" configuration in fabricating the bridge girder. This box girder design incorporates a four-sided box with a running surface plate for the hoist trolley attached to the bottom of the box. The advantage of the box girder is that it possesses greater loading capabilities and is able to span greater bridge distances. Generally utilized in pairs with the hoisting mechanism operating on rails attached to the top of each box girder.
Lifting devices, generally attached to a hoist or lift truck, which attach to a coil's OD via tongs or gripping mechanisms and enable the coil to be lifted without damage to the material. May also be configured to "turn" the coil over or move it in directions other than vertical.
The device at the bottom of a hoist's lifting medium (chain/wire rope) through which the medium is reeved and supports the hook and/or an attachment. May be stationary or rotating depending upon the requirements for the piece of lifting equipment.
A suspended machinery unit that is powered by pneumatically driven motors and is used to lift or lower a freely suspended (unguided) load. Generally uses chain or wire rope as its lifting medium.
A pneumatically driven machinery unit, utilizing chain as its lifting medium, and used for the lifting and lowering of a freely suspended (unguided)load. Often used in environments that require electric spark avoidance due to a potentially explosive atmosphere.
A pneumatically driven machinery unit, utilizing wire rope as its lifting medium, and used for the lifting and lowering of a freely suspended (unguided) load. Often used in environments that require electric spark avoidance due to a potentially explosive atmosphere.
Generally, any hoist which utilizes link or roller chain as its lifting medium. Chain hoists can be manually operated (hand or lever), pneumatically driven, or electrically driven.
A common term for a ratchet lever hoist. See Ratchet lever hoist .