Drilling apparatus mounted on wheels, with articulated chassis

Details Drilling apparatus mounted on wheels, with articulated chassis Drilling apparatus mounted on wheels, with articulated chassis

1998-07-08

2000-11-28

Vo, Peter

Tool driving or impacting

With vehicle support for drive

173 46, E21B 0702

Patent

active

061522449

ABSTRACT:
A mobile drilling apparatus has a front chassis with two wheels, and a rear chassis with two wheels, which are joined together by an intermediate articulation about a vertical axis. To improve the lateral stability when turning, the front chassis is extended backward behind the intermediate axis of articulation and above a portion of the rear chassis. The front chassis thus extends support, in addition to the drilling arm or arms and the driving and work station of some of the electrical and/or hydraulic equipment of the apparatus. In a converse arrangement, the rear chassis is extended forward, in front of the axis of articulation and over a portion of the front chassis.

REFERENCES:
patent: 2827715 (1958-03-01), Wagner
patent: 3157239 (1964-11-01), Bernotas
patent: 3237790 (1966-03-01), Kampert et al.
patent: 3435908 (1969-04-01), Sunderlin et al.
patent: 3744574 (1973-07-01), Carley
patent: 3811699 (1974-05-01), Casey
patent: 3823902 (1974-07-01), Bumueller
patent: 3921836 (1975-11-01), Wyslouch et al.
patent: 4072354 (1978-02-01), Holmes
patent: 4363519 (1982-12-01), Howard

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