Forfatter: A.-M.Inst.C E., George Frederick Zimmer
År: 1916
Forlag: Crosby Lockwood and Son
Sted: London
Sider: 752
UDK: 621.87 Zim, 621.86 Zim
Being a Treatise on the Handling and Storing of Material such as Grain, Coal, Ore, Timber, Etc., by Automatic or Semi-Automatic Machinery, together with the Various Accessories used in the Manipulation of such Plant
30 THE MECHANICAL HANDLING OF MATERIAL
the elevator buckets, or their equivalents, which have to deal with these large objects,
must be shaped according to the loads they are intended to carry. The methods
of feeding on or off vary also materially from those elevators described previously.
Figs. 28 and 29. Rigid Arm Elevator.
This does not, however, apply to the elevators for ice in large blocks of say 50 to 60 lb.,
as these are more like the ordinary elevator but on a very large scale, with double long-
link chains running over polygonal terminals. The buckets are a long way apart, so
that only one at a time is on the terminal, and the latter is fitted with two revolving-
shoots for the delivery of the ice. These shoots are similar to those shown in Fig. 13,