Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1974-11-22
1976-02-10
Werner, Frank E.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
214 25, 294 90, 294104, E21B 1914
Patent
active
039375153
ABSTRACT:
A head for use in a well pipe racking system has a support plate for drill collars and a slide shiftable to and from positions for supporting drill pipe. A retaining lever is pivoted for movement between a position for retaining the drill collars and drill pipe in the head and an open position. The lever is reversible to swing to opposite sides of the head.
REFERENCES:
patent: 1295439 (1919-02-01), Coveney
patent: 3561811 (1971-02-01), Turner, Jr.
patent: 3655071 (1972-04-01), Langowski et al.
Byron Jackson Inc.
Evans, Jr. John O.
Werner Frank E.
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