| 摘要 |
A roller type hemming apparatus includes a support member having a slide bore. A ball screw extends through the support member into the slide bore. A bearing is engaged with the ball screw inside the slide bore. The apparatus further includes a guided slide member having a first portion received in the slide bore and a second portion extending outside of the slide bore. The slide member first portion has a receiver. A resilient member is set in the receiver. The resilient member operably engages the bearing, the bearing being disposed outside of the receiver. The apparatus also includes a retaining plate having an opening therein. The retaining plate is mounted to the support member adjacent the slide bore for retaining the slide member first portion in the slide bore. A hem roller is rotatably mounted to the slide member second portion.
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