Patent ID: 7431636
Filing Date: 2008-10-07
Classification: B24B

Abstract:
1. An adjustment device for adjusting a level difference between rollers of a roller belt sander, said roller belt sander composed of a main body, two rollers installed on said main body, and a conveying table located under said rollers, one of said rollers set with said adjustment device at its two ends respectively, said adjustment device comprising: a base fixed on an interior wall of said main body corresponding to each end of said rear belt sanding roller, and provided with a penetrating opening and a threaded hole bored on its top center; an eccentric shaft inserted pivotally in said penetrating opening of said base and provided with a rear end portion, and a front-end engaging portion formed eccentrically for pivotally matching with said roller; a restricting knob provided with a threaded portion located at its lower portion for engaging in said threaded hole of said base so as to fix said eccentric shaft deadly in said penetrating opening of said base after having it being adjusted to a desired position; and each of said rollers is provided with a bearing base mounted at two ends respectively of said each roller for pivotally engaging with said eccentric shaft.