Angle drilling apparatus

Details Angle drilling apparatus Angle drilling apparatus

1976-02-18

1976-11-23

Faw, Jr., Price C.

Static structures (e.g., buildings)

Mechanism operated relatively movable shaft assembly

Tilts relative to base

52117, 173 43, 212 46R, E04H 1234

Patent

active

039928314

ABSTRACT:
Two pivots are provided on a drill tower support. The drill tower is supported on and positively locked to the upper pivot in the horizontal position.
The drill tower can be pivoted about the first pivot from the horizontal position to the vertical position and positively locked to the lower pivot. The drill tower is then disconnected from the first pivot and thereafter it can be pivoted about the second pivot for angle drilling.

REFERENCES:
patent: 2193293 (1940-03-01), Nichols
patent: 2689549 (1954-09-01), Hayman
patent: 2711803 (1955-06-01), Hurst
patent: 2790622 (1957-04-01), Priest
patent: 3032147 (1962-05-01), Wilkinson et al.
patent: 3245180 (1966-04-01), Bules et al.
patent: 3778940 (1973-12-01), Blecken
patent: 3783953 (1974-01-01), Kopaska
patent: 3815690 (1974-06-01), Cooper

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