Bearing arrangement for a boring head of a tunneling machine

Details Bearing arrangement for a boring head of a tunneling machine Bearing arrangement for a boring head of a tunneling machine

1985-03-19

1986-02-04

Footland, Lenard A.

Bearings

Rotary bearing

Hydraulic or pneumatic bearing support

384247, F16C 2302

Patent

active

045682020

ABSTRACT:
A bearing assembly for the shaft of a boring head for an excavating machine comprises four piston-and-cylinder units bridged between the bearing and a support ring and pivotally connected thereto, the units lying along sides of an imaginary parallelogram of adjustable and inclined angle and side length.

REFERENCES:
patent: 1602288 (1926-10-01), Stovall
patent: 3679272 (1972-07-01), Costa et al.
patent: 3760720 (1973-09-01), Marshall

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