Platform positioning system

Details Platform positioning system Platform positioning system

1983-04-11

1985-01-08

Spar, Robert J.

Material or article handling

Well pipe or rod racking mechanism

With slope change

52119, 182131, E04H 1218, E21B 1500

Patent

active

044925018

ABSTRACT:
A platform positioning system for a drilling device of the type which includes a support structure and a transfer arm pivotally connected to the support structure to rotate about a first axis is disclosed. This platform positioning system includes a platform which is pivotally connected to the support structure to rotate about a second axis, and a rod which is mounted between the transfer arm and the platform. The position of the arm and platform axes and the length of the rod are selected such that the transfer arm automatically and progressively raises the platform to the raised position by means of the rod as the transfer arm moves to the raised position, and the transfer arm automatically and progressively lowers the platform to the lowered position by means of the rod as the transfer arm moves to the lowered position.

REFERENCES:
patent: 3202241 (1965-08-01), Woolslayer et al.
patent: 4221088 (1980-09-01), Patterson

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