Pick-up and laydown machine

Details Pick-up and laydown machine Pick-up and laydown machine

1981-09-23

1985-01-01

Paperner, Leslie J.

Material or article handling

Well pipe or rod racking mechanism

With slope change

104112, 104126, 13735523, 212189, 2807631, 294 655, 294 99R, 414910, 414918, E21B 1914

Patent

active

044914504

ABSTRACT:
An apparatus for picking up and laying down drill pipe casing and the like having a single endless line and support means extending axially of the apparatus toward the drilling rig to move the pivot point of the apparatus rearwardly thereof to increase its resistance against tipping under load. The apparatus also comprises a means for safely loading and unloading a trough and a support pole from the unit.

REFERENCES:
patent: 2776856 (1957-01-01), Ingram
patent: 2865658 (1958-12-01), Dubuque
patent: 2913276 (1959-11-01), Collings
patent: 3350129 (1967-10-01), Novak
patent: 3420546 (1969-01-01), Jasovsky
patent: 4054210 (1977-10-01), Crocker
patent: 4082193 (1978-04-01), Teague
patent: 4099630 (1978-07-01), Beck
patent: 4212576 (1980-07-01), George
patent: 4332411 (1982-06-01), Ellzey

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