. American engineer and railroad journal . boxes, the expense of maintaining it will be greatly the present time several roads have ordered trial bearingsand are testing them out. Fig. 6 shows the bronze crown ofa car journal bearing before the babbitt is applied. AUTOMATIC BELT TIGHTENING IDLER. An automatic belt tightening attachment for the standardCrocker-Wheeler form L motor, having a rear end shield, isshown in the accompanying illustration, and may be used,wherever the limited center distances between pulleys requirean increased belt contact on the pulley surface. Its prin-ci
. American engineer and railroad journal . boxes, the expense of maintaining it will be greatly the present time several roads have ordered trial bearingsand are testing them out. Fig. 6 shows the bronze crown ofa car journal bearing before the babbitt is applied. AUTOMATIC BELT TIGHTENING IDLER. An automatic belt tightening attachment for the standardCrocker-Wheeler form L motor, having a rear end shield, isshown in the accompanying illustration, and may be used,wherever the limited center distances between pulleys requirean increased belt contact on the pulley surface. Its prin-cipal parts are the idler pulley, an arm and block, a springstud and block and an adjustable spring and hook connectingthem. The idler pulley and arm are pivoted on a stud, whi ;hmay be screwed into either one of two tapped holes in tLsblock. The block itself may be attached to the motor in of four positions by a special screw replacing any om.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
