Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 335
g Foundry Equipment Co.) 163. Assignment.—Capacity in free load lb. Weight of parts and friction per cent Air pressure (80 to 100) lb. per sq. in. Lift (2 to 4) ft. The following data may be used for checking, air at 80 lb. per square inch. Diam. of hoist Size of pipe Air consumed per 4-ft. lift 3… … Fig. 160.Lattice column type. Fig. 161.Jaw type. In this type of machine the piston rods connect levers of differ-ent lengths, thus forming a toggle joint. It very properlyembodies features of both designs, No. 1 and No. 2. It may beassigned as an advanced substitute for No. 1 or as an extra. The…
Machine design
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