Handbook for architects and builders . service, the EwartLink-Belt still prevails, or Its equivalent Inmalleable chains with closed ends and pinconnection. For double strand service, wherethe chains are supported, tney are made withrollers, the rollers also serving to reducewear on sprocket wheel tooth. One type ofchain, running in a trough, acts as a con-veyor without any attachments, a modifica-tion of this having short wings cast inte-gral with and projecting from the side bars,so as to increase the width and conveyingcapacity. For heavy duty, cable chains havebeen used, on account of their
Handbook for architects and builders . service, the EwartLink-Belt still prevails, or Its equivalent Inmalleable chains with closed ends and pinconnection. For double strand service, wherethe chains are supported, tney are made withrollers, the rollers also serving to reducewear on sprocket wheel tooth. One type ofchain, running in a trough, acts as a con-veyor without any attachments, a modifica-tion of this having short wings cast inte-gral with and projecting from the side bars,so as to increase the width and conveyingcapacity. For heavy duty, cable chains havebeen used, on account of their strength. Itis not easy, however, to attach anything tothem, nor does the ordinary pocket or ragwheel prove satisfactory or durable for driv-ing. 247 o.:.wKsxcox. (i^[iestcott d TRonnebevG CONSULTING ENGINEERS STEEL AND REINFORCEDCONCRETE, BUILDINGSBRIDGES, FOUNDATIONS ETC. 1107-8-9 SECURITY BUILDING 189 Madison Street Telephone Main 784 CHICAGO Norinwestern University, Evanston, III., Westcott & Ronneberg, Engineers. MoRE\^ Newgard & Oo. STRUCTURAI^ ElVaijVTEKRS llTH Floor, Isabella liLna., CHICAGO DESIGXIXG ENGINEERS FOR STEEL AND COiJsCRETE BUILDINGS AXD THEATRES A SPECIALTY. Phones Harrison G20, Automatic 64-210 TELEPHONE RANDOLr-H 4-241 Martin C. Schwab (Unusulttmi fHrrhaniral antilElrrtrtral lEnijiurrr 170 MENTOR BUILDING CHICAGO ERNEST McCULLOUGH, C. E. M. Am. Soc. C. E., M. W. S. E. CIVIL AND STRUCTURAL ENGINEER 1448 Monadnock BlockCHICAGO Telephones, Harrison 7818-7819 Specialist in concrete design and construction. Designs for structures in all engineer in foundation problems. 248 In a successful type of chain designed tohandle such gritty materials as ashes, coke,cement, clinker, etc., the articulation takesplace between a pin and bushing, both case- full width of the chain, and it being unnec-essary to secure the pin to either set of links,it is free to roll to a greater or less extenteach time tlie chain turns aro
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