| 摘要 |
<p>Drive and driven shafts are rotatably supported in a wall portion of a press frame and have free end portions extending into a gear case. A first drive gear is nonrotatably secured to the drive shaft and a second driven gear is nonrotatably secured to the driven shaft. A T-shaped member is pivotally connected to the wall and has an intermediate shaft member nonrotatably positioned in a slot for longitudinal movement therein. The intermediate shaft has a free end portion extending into the gear case with intermediate gears rotatably mounted thereon. The T-shaped member is arranged to be suitably adjusted to maintain different sized intermediate gears in meshing relation with different sized drive and driven gears so that the drive shaft imparts a preselected angular velocity to the driven shaft through the gear train. A pair of support arms each have an aperture adjacent one end and an elongated longitudinally extending slot adjacent the other end. Bearing members are mounted in the apertures and the ends of the drive and driven shafts are mounted in the bearings for rotation relative to the support arms. The slotted portions of the support arms are positioned in overlying relation with the intermediate shaft end portion extending therethrough. A nut secures the support arms in position on a threaded end portion of the intermediate shaft and thus the support arms connect the free ends of the three shafts to provide support for the end portions of the three shafts in the gear case and eliminate the torsional stress imparted to the shafts particularly the intermediate shaft.</p> |
