The Mechanical Handling and Storing of Material

GRAVITY BUCKET CONVEYORS 129 Fig. 1/4. deeding Device for Sticky Material with Pan and Bucket Conveyor. so arranged that they can be loaded at any point on the lower strand without the necessity of employing a loading device. Any spilling between the buckets is pre- vented by placing an additional axle and guide pulleys between each pair of buckets, the extia spindle being in such a position that when th.6 buckets are on the lower strand it covers the space between each pair, being loaded by a roller attached to each one. rail as shown t in the illustration. upon the upper strand, and during the process of discharging, by steel bar links, and the guide wheels are fitted with The illustration (Fig. 177) shows all the .corner guides, as well as the loading and discharging devices and the driving gear. Swinging Bucket Conveyor.—The swinging bucket conveyor (Fig. 178) is similar to the Bar-Link Conveyor just described, with this difference, how- ever, that the buckets are suspended at one end in- stead of in the centre. This arrangement is intended to facilitate their discharge. During conveying on the lower strand the buckets are held in a horizontal position, and so readily re- ceive the feed. The illus- tration shows the feeding- device, the delivery and the attachment for turning the buckets over into their ori- ginal position, as well as the automatic tightening arrangement. I Continuous Bucket Conveyor.—A type of conveyor which empties itself not y tilting the bucket, but by opening it, is the continuous bucket conveyor built by e . teel Cable Engineering Co., of Boston. The buckets in this case are divided ongitudinally, and hinged for the purpose of discharging. The conveyor itself is used in a similar manner to other travelling or tilting bucket conveyors. It will therefore Fi" C179° Sh°W bucket in its delivering position only. This is represented in There is a diamond-shaped frame made of round iron bars, with which the uckets engage when approaching it, This opens the halves, and allows them to close gently as the bucket passes off at the other end. The Humboldt Conveyor.—A later development of the system is the Humboldt gravity bucket conveyor, which was designed to overcome the drawback of other 9 The buckets are held in position while This roller travels on a separate guide These rollers will also keep the bucket in position The axles are connected self-lubricating attachments.