. Railway mechanical engineer . Browne & Sharpe Pocket Micrometer Case Electric Motor-Driven Chain Hoist AN electrically-operated material-handling device, knownas the Motorbloc, has been placed on the market bythe Motorbloc Corporation, Summerdale, Philadel-phia. This device has been developed to serve the operationslying between the field of standard hand chain hoists andtravelin electric hoists. The !Motorbloc is a rugged and. Motorbloc Hoist As Used in Machine Shop readily portable hoist, which can be installed without engi-Qeering preliminaries in any location where electric currentis ava
. Railway mechanical engineer . Browne & Sharpe Pocket Micrometer Case Electric Motor-Driven Chain Hoist AN electrically-operated material-handling device, knownas the Motorbloc, has been placed on the market bythe Motorbloc Corporation, Summerdale, Philadel-phia. This device has been developed to serve the operationslying between the field of standard hand chain hoists andtravelin electric hoists. The !Motorbloc is a rugged and. Motorbloc Hoist As Used in Machine Shop readily portable hoist, which can be installed without engi-Qeering preliminaries in any location where electric currentis available. It is put in service with the facilit} of anelectric drill or vacuum cleaner, and the self-contained pen-dant controller permits convenient operation as soon as thecord has been plugged into the nearest electric circuit. In the design, great care has been used to avoid stressingthe hoisting mechanism beyond the loads and speeds forwhich it is proportioned for hand operation. The Motorbloc consists of a standardized chain hoist ofsteel construction, electrified by the application of a speciallydesigned heavy-duty motor, liberally proportioned reductiongearing and slip friction clutch. This mechanism is appliedby means of a malleable iron supporting bracket, comprisinga self-contained electrifying unit, to which the pendant con-troller is also attached. In this way a simple, rugged me-chanism has been developed for
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
