Guide frame for an earth drilling apparatus

Details Guide frame for an earth drilling apparatus Guide frame for an earth drilling apparatus

2008-04-08

2008-04-08

Tsay, Frank (Department: 3672)

Boring or penetrating the earth

Bit or bit element

With helical-conveying portion

C172S022000, C172S025000

Reexamination Certificate

active

07353892

ABSTRACT:
A guide frame (1) for an earth drilling apparatus includes a support plate (6) for holding the drive unit (7) and a handle frame (2) having handle sections (17, 18) for holding and guiding the earth drilling apparatus. Operator-controlled elements (19a, 19b, 19c) for controlling the drive unit (7) are arranged in the region of the handle section (18). The handle sections (17, 18) of the handle frame (2) lie in a plane (5) above the support plate (6). The handle frame (2) encloses the drive unit (7) as a closed frame and is connected via a carrier frame (8) to the support plate (6). The carrier plate (8) is fixed to the handle frame (2) via several coupling elements (20). Each coupling element (20) includes a vibration damper (24) which is arranged between the carrier frame (8) and the handle frame (2). In this way, the handle frame is decoupled by the carrier frame from the drive unit with respect to vibration without affecting the bracing of reaction forces via the handle frame.

REFERENCES:
patent: 4102410 (1978-07-01), Ross
patent: 4402369 (1983-09-01), Nikitin et al.
patent: 4476940 (1984-10-01), Reichert et al.
patent: 4947938 (1990-08-01), Fricke et al.
patent: 5358062 (1994-10-01), Uhl et al.
patent: 2233994 (1991-01-01), None

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