Tunnel boring machine with dual support members

Details Tunnel boring machine with dual support members Tunnel boring machine with dual support members

1974-01-02

1976-05-18

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Stepper-type advance-causing means

299 56, E21D 900, E01G 304

Patent

active

039573109

ABSTRACT:
A tunnel boring machine comprising a rotary cutterhead assembly, a cutterhead support assembly on which the cutterhead assembly is mounted, a gripper assembly for gripping the wall of the tunnel, and a pair of elongate support members connecting the cutterhead support assembly and the gripper assembly. The support members each have a torque reaction end connected either to the gripper assembly or to the cutterhead support assembly. Apparatus associated with the torque reaction ends prevents pivotal movement thereabout of the support members in the plane perpendicular to the plane in which the support members lie.

REFERENCES:
patent: 3418022 (1968-12-01), Peterson
patent: 3459452 (1969-08-01), Schnabel, Jr.
patent: 3584918 (1971-06-01), Gaglione
patent: 3598445 (1971-08-01), Winberg
patent: 3776595 (1973-12-01), Winberg

Affiliated with

Also associated with

Rating

Tunnel boring machine with dual support members does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tunnel boring machine with dual support members, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tunnel boring machine with dual support members will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2231389