Patent · US Active

Reel for winding or unwinding strip-shaped material and method

US11919733B2 · kind B2 · utility

0Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 2021
Grant dateMar 5, 2024
Priority date
Expiry dateDec 9, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2701/173
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a reel (10) for winding or unwinding strip-shaped material, in particular a metal strip or the like, and to a method for tensioning a coil (12), the reel comprising a frame (13), at least one reel head (14) for disposing the coil for winding or unwinding material (11), a drive arrangement (15) having at least one electric motor (16) and a shaft (20) which connects the electric motor to the reel head, the electric motor being formed comprising a stator (17) and a rotor (18) and being disposed on the frame, the electric motor being a torque motor or a synchronous motor, the shaft directly connecting the rotor to the reel head, the rotor being mounted on the stator so as to be axially displaceable relative to the stator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.