. The street railway review . roved end bearing«hich has been applied tothis drill; it was adoptedtmly after the tnost carefultrial of many other de-vices and detnonstrated itto be the best for the pur-pose. The band lever isprovided with a sh)t iti which works the pivot. 5. This pivot isheld in place by a set screw in the tear end of the link, (, whichin turn is attached to the backward extending part of the socketat 1; 2-2 is the cup or socket, in which the oval steel piece. . firmly fastened. A-A is the end of the drill shaft, also is an elliptical shaped piece of steel and turn
. The street railway review . roved end bearing«hich has been applied tothis drill; it was adoptedtmly after the tnost carefultrial of many other de-vices and detnonstrated itto be the best for the pur-pose. The band lever isprovided with a sh)t iti which works the pivot. 5. This pivot isheld in place by a set screw in the tear end of the link, (, whichin turn is attached to the backward extending part of the socketat 1; 2-2 is the cup or socket, in which the oval steel piece. . firmly fastened. A-A is the end of the drill shaft, also is an elliptical shaped piece of steel and turns freely betweenthe two points of contact, thus effectively dividing the friction;. are pins attached to 2-2, which work freely in a groove cuton the drill shaft, and are merely to keep the sliaft in positionas the lever is moved forward or back. As the lever is so movedthe end of rod with the link C, raises or lowers, thus preventingbinding of the cnp on the end of the shaft. ♦-<-► SAND BOXES FOR STREET
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
