Crank connector for directional drilling

Details Crank connector for directional drilling Crank connector for directional drilling

1979-07-24

1981-09-01

Leppink, James A.

Boring or penetrating the earth

Means traveling with tool to constrain tool to bore along...

Sectional guide or shaft having means to lock sections in...

64 2R, 175320, E21B 708

Patent

active

042866766

ABSTRACT:
This connector comprises two tubular members connected to each other, one of which can pivot about a rotation axis which forms an acute angle with the axis of the two members. This axis of rotation and the axes of the two members converge to the same point.
Remote control means are operative to vary at will the relative angular position of the tubular members and means are adapted to lock said two members against relative rotation in a selected angular position.

REFERENCES:
patent: 2336333 (1943-12-01), Zublin
patent: 3141512 (1964-07-01), Gaskell et al.
patent: 3457999 (1969-07-01), Massey
patent: 3593810 (1971-07-01), Fields
patent: 3888319 (1975-06-01), Bourne, Jr. et al.
patent: 4040495 (1977-08-01), Kellner et al.
patent: 4077657 (1978-03-01), Trzeciak

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