Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Clutch actuated
Patent
1984-11-05
1986-10-07
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Step-by-step traveling bar
Clutch actuated
B66F 100
Patent
active
046155082
ABSTRACT:
Apparatus for skidding a drilling rig of the type having a roller mechanism which includes at least one roller for non-rotatingly supporting at least some of the rig on a platform and at least one roller for rotatingly supporting at least some of the rig while it is skidded. The drilling rig platform is supported by beams having a vertical web mounted below each non-rotating roller. The web is in vertical alignment with the vertical axis of its associated non-rotating roller. A beam having a vertical web is mounted beneath the rig above each rotating roller. The rig beam web is in vertical alignment with the vertical axis of its associated rotating roller.
REFERENCES:
patent: 3486737 (1969-12-01), Campbell
patent: 3559954 (1971-02-01), Chambers et al.
Brittain John C.
Jenkins Cecil
Peaster Leroy K.
Lee C. Moore Corporation
Watson Robert C.
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