Patent ID: 9567854
Date: 2017-02-14
CPC Classifications: E21D

Claim:
1. A rock drilling and bolting system comprising: a drill feed rail defining a first axis and having first and second pivot attachment points; a bolter feed rail defining a second axis parallel to the first axis and having first and second pivot attachment points, the bolter feed rail being parallel to the drill feed rail; a drill feed adapted to slide on the drill feed rail; a bolter feed adapted to slide on the bolter feed rail; a first L-shaped pivot arm pivotally connected to the first pivot attachment points of the drill feed rail and the bolter feed rail; a second L-shaped pivot arm pivotally connected to the second pivot attachment points of the drill feed rail and the bolter feed rail; a frame; an actuator mounted to the frame for rotating the drill feed rail and the bolter feed rail; wherein the bolter feed rail is rotationally coupled to the drill feed rail by the first and second pivot L-shaped pivot arms to enable the drill feed rail and the bolter feed rail to rotate in unison between a drilling position and a bolting position by rotating in a plane defined by the first axis and the second axis.