The Wheel and cycling trade review . means for attaching broken frames securely. When the balls in straight cup and conebearings begin to wear a channel around thecircumference or either the cone, as illustra-ted at A in Fig. 3, or in the cup, B of thesame figure, a remedy can be found by con-caving the parts. This method is exhibited in Fig. 1, in whichanother sectional drawing of one end of thebearing is shown. The process of concavingis not difficult if proper tools are at bearing must first be taken apart, thenthe cone C turned down in a lathe until allgrooved and other worn or de
The Wheel and cycling trade review . means for attaching broken frames securely. When the balls in straight cup and conebearings begin to wear a channel around thecircumference or either the cone, as illustra-ted at A in Fig. 3, or in the cup, B of thesame figure, a remedy can be found by con-caving the parts. This method is exhibited in Fig. 1, in whichanother sectional drawing of one end of thebearing is shown. The process of concavingis not difficult if proper tools are at bearing must first be taken apart, thenthe cone C turned down in a lathe until allgrooved and other worn or defective por-tions are removed, leaving the shape con-caved as shown. The cup D treated in thesame manner, care being taken to have thecurve conform in its outline to that of thecone, so that all will work in harmony. It is necessary that a perfectly smooth sur-face be left upon the turned parts, otherwisethe balls will grind and give considerablebother through heating and wearing. Or-dinarily it will be found that the cone andcup ar
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectcyclist, bookyear1888
