Patent · US Active

Mine bolt bending system

US11213873B2 · kind B2 · utility

0Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 2020
Grant dateJan 4, 2022
Priority date
Expiry dateJul 1, 2040

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21D21/0026
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A mine bolt bending system includes a frame comprising a plurality of bolt receiving portions each configured to receive and hold a mine roof bolt, a bolt contact member secured to the frame, with the bolt contact member rotatable relative to the frame between a first position and second position, and an actuator secured to the frame, with the actuator configured to move the bolt contact member between the first and second positions. The bolt contact member is configured to bend a mine bolt when rotating from the first position to the second position.

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