Mining machine with adjustable jib

Details Mining machine with adjustable jib Mining machine with adjustable jib

1986-01-13

1987-05-26

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

299 72, 299 78, 299 82, F21C 2720

Patent

active

046680160

ABSTRACT:
A crawler track mounted mining machine having a frame and an adjustable jib carrying an endless cutting chain having cutters and loading flights mounted on the frame. A bridge on the frame and spaced arms having one end pivotally connected to the bridge and the other end supporting a front plate upon which the jib is adjustably mounted by a rotatable bearing supporting a cross member which carries hinges pivotally supporting the jib. Hydraulic rams extend between the cross member and the jib to rotate the jib between a vertical position and a horizontal position and a hydraulic ram extends between the rotatable bearing and the front plate to rotate the front plate and the jib in a horizontal plane between a position perpendicular to the crawler tracks and a position parallel to the crawler tracks. Hydraulic rams extend between the bridge and the arms to raise and lower the arms and the jib relative to the frame.

REFERENCES:
patent: 2745649 (1956-05-01), Robbins
patent: 2750180 (1956-06-01), McCallum
patent: 3550961 (1970-12-01), Hughes
patent: 3658385 (1972-04-01), Oven et al.
patent: 4131317 (1978-12-01), Jamison et al.
patent: 4226476 (1980-10-01), Fairchild et al.

Affiliated with

Also associated with

Rating

Mining machine with adjustable jib does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mining machine with adjustable jib, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mining machine with adjustable jib will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-699257