umbrella of the potter's wheel

摘要

The present invention horizontal and depth of the housing for the slot of the horizontal and depth and binding wire of the recess is relatively deep reason, difficult to shift the inner end of the umbrella bone, the structure provides a more stable umbrella of the potter's wheel. A umbrella wheel includes a wheel body having a longitudinal center hole 11 is provided, and a peripheral portion 2 of the wheel provided on the side wall of the wheel body, the periphery of the wheel includes a recess 22 for inserting the inner end portion of the convex portion 21 and the umbrella bone at intervals in the circumferential direction is provided, the longitudinal middle part is the side wall of the periphery of the wheel is recessed inward of the projections It wants to form a housing for the slot 23 of the binding wire umbrella bone which is located in. Horizontal and depth of the recess 22 in 4~6mm, horizontal and depth of the slot 23 is a 2~4mm.BACKGROUND 1