1.)APRON CONVEYOR – A conveyor for transporting packages or bulk materials, consisting of a series of metal or wood slats (also rubber,cotton, felt wire etc.) attached to an endless chain. Also called SLAT CONVEYOR.
2.)BARREL ELEVATOR – This comprises parallel travelling chains, with curved arms projecting. The chains pass over sproket wheels at the top and bottom of the elevator, and lift barrels from a loading platform to a runway.
3.)BELT CONVEYOR – A conveyor which consists of a belt of suitable material such as rubber, canvas, balata etc., running over a pair of end drums or pulleys and supported at intervals by a series of rollers called idlers, these in turn being supported on a conveyor frame.
4.)BUCKET ELEVATOR – Conveyor equipped with buckets which carry bulk material in the vertical or near vertical direction, loading is at the bottom and discharging is at the top.
5.)CAPSTAN DRUM – Equipment used for hoisting anchors on board ships, hauling various loads etc.
6.)COUNTER WEIGHTS – Weights provided on cranes to offset the dead weight of metal structure and, to a certain extent, the moment due to the hook load.
7.)COVERED HOPPER – A freight car with a closed top designed to meet the needs of malt and grain shippers.
8.)DERRICK – A framework over a drill hole (e.g., on oil well) for supporting the boring mechanism for hoisting.
9.)FISHYBACK – The transportation of highway trailer bodies abroad ship.
10.)FLOATING CRANE – A crane mounted on self propelled or towed pontoons, used for salvage work, along shore and offshore duties, crane motions are accomplished with electric drives, commonly of the dc type employing the Ward Leonard control.
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