Adaptor for earth boring machine

Details Adaptor for earth boring machine Adaptor for earth boring machine

1990-02-27

1993-07-20

Britts, Ramon S.

Boring or penetrating the earth

With means to feed drive

173154, 175171, E21C 110

Patent

active

052285251

ABSTRACT:
An adaptor assembly for an earth boring machine includes a thrust bearing housing removably attachable to the bulkhead plate of an earth boring machine surrounding the torque hub flange. A rear drive flange is attached to the torque hub and a front drive flange is mounted within the housing and carries a thrust bearing movable into and out of contact with the housing. The front drive flange has an extension which projects beyond the housing for attachment of an auger and boring head and is connected to the rear drive flange for rotational movement therewith and axial movement relatively thereof.

REFERENCES:
patent: 3162254 (1964-12-01), Rose
patent: 3612194 (1971-10-01), Richmond
patent: 3612195 (1971-10-01), Richmond
patent: 3693734 (1972-09-01), Richmond
patent: 3851716 (1974-12-01), Barnes
patent: 3870110 (1975-03-01), Richmond et al.
patent: 4013134 (1977-03-01), Richmond et al.
patent: 4329887 (1982-05-01), Kawamoto

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