| 摘要 |
A feed roller for use in feeding timber includes a body and has disposed around its periphery friction elements with anti-slip elements for improving the engagement between the feed roller and the log. A transfer element is arranged between the friction element and the body to transfer the motion of the feed roller to the friction element. The friction element swings around a pitch point formed in the transfer element, adhering to the surface of the log conveyed in the device and always directing an even pressure to the surface of the log. The transfer element preferably includes lugs, which are disposed in grooves at the bottom of the friction element.
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