. 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. 660. BICYCLE BALL BEARING, withhourglass separating rollers. The balls havethree points of pressure contact, two on thecone and one on the cup. The separating rollers are carried by aguide ring 661. BALL-BEARING CAS-TOR. The rolling sphere A isheld in position
. 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. 660. BICYCLE BALL BEARING, withhourglass separating rollers. The balls havethree points of pressure contact, two on thecone and one on the cup. The separating rollers are carried by aguide ring 661. BALL-BEARING CAS-TOR. The rolling sphere A isheld in position by the sheet met-al case E. About 40 small ballsare arranged to circulate under thebearing plate B, guided and heldin place by the case C. The ballstraverse around the annularspace D. 662. SPRING MOTOR. A series of coiled springs and drumsarranged side by side on a shaft, and combined together and with the winding-up mechanism and trans-mitting mechanism in such manneras to constitute in effect one springof great length but in separate coils,which gives much better resultsin practice than a single spring ofthe same length in a single coil first spring A is attached atthe inner end of the coil to the wind-ing-up shaft B, which also serves formounting the spring drums andthe transmitting wheel C. At theouter end of said coil this spring,A, is attached to the hollow drum D mounted loosely on the shaft. Thisdrum has a central hub, E, extending along the shaft B within the seconddrum F, and the spring G in said dru
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Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
