公开(公告)号：US20210260675A1

公开(公告)日：2021-08-26

申请号：US17178981

申请日：2021-02-18

Applicant: FIVES OTO S.P.A.

Inventor： ENRICO FORLANI ,  FRANCESCO LOLLI

IPC: B23D79/02 ,  B23D21/04

Abstract: Drawing device for drawing a tool (T), comprising: a support (2), provided with rests (21), structured to be slidably arranged in contact with an inner wall of a tube, and an attachment (22) for a tool (T); a cursor (3), movable along a longitudinal direction (Y) between at least a starting position and a return position; magnetic means (4), predisposed to magnetically constrain the support (2) and the cursor (3) with respect to the displacement along the longitudinal direction (Y).