. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. ero, and also sets the upand down index to its slotin the face. The total index isa continuous register and can-not be tampered with. 226 RAILWAY DEVICES AND APPLIANCES, ETC. 584. CABLE GRIP of the Brooklyn Bridge. A plan view frombeneath, a section through the sheave
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. ero, and also sets the upand down index to its slotin the face. The total index isa continuous register and can-not be tampered with. 226 RAILWAY DEVICES AND APPLIANCES, ETC. 584. CABLE GRIP of the Brooklyn Bridge. A plan view frombeneath, a section through the sheaves, and a section through the center showing the solid orfixed grip. In the grip there arefour sheaves placed inpairs, so that the cable isgripped between eachpair. Each sheave has aheavy grooved rim withacylindrical inner surfaceagainst which the brakepresses. The rim is intwo parts bolted together,and holds in a dovetailgroove a packing ofleather and India-rubberbelting in alternatingpieces placed packing projects wellout of the rim, and isgrooved to receive thecable. There are four brakes, one for each sheave. They are madeof hard wood, with a curved outer face fitted to the inside of the rimof the sheave. 585. Cross section of brake frame and cable sheaves holding thecable. 586. Lever Hnks and grip 587. RAILWAY TRACK BRAKE. By the double toggle jointsand lever connection, the whole weight of the truck and end of car is brought to bearon the brakeslippers, thelever fulcrumbeing fixed tothe truck frame.
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
