ES171061U - Rotating brush for slipping and polishing, improved. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Rotary brush for grinding and polishing, perfected which is essentially characterized in that it consists of a wheel formed by a plurality of flexible lamellae coated on at least one of its faces of an abrasive product and juxtaposed radially around a common axis, joined together by their internal end, forming a kind of circular crown by means of a binder that partially penetrates between such lamellae and that, after hardening, determines a kind of rigid cylindrical reinforcing bushing or hub of the joint, whose lamellae are provided at points of its lateral edges, close to the aforementioned internal end, of recesses coinciding in succession and defining on the two faces of the lamella wheel each groove, the brush comprising two side plates of pressed plate provided with respective peripheral ridges directed towards inside and embedded in the grooves cited, whose plates one of they have a central hole for the passage of a screw and a concave portion formed around said hole and that, introduced in the rigid bushing, is suitable for receiving the head of the screw, while the other plate involves a central opening with embossments configured in helical arrangement in the manner of the turns of a thread inserted into the rigid bushing and receiving the aforementioned screw, which can act as brush axis, coupled to the grinding or polishing machine. (Machine-translation by Google Translate, not legally binding)