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Title:
空気圧作動するフィンガーラッチを備えたフィンガーボード
Document Type and Number:
Japanese Patent JP4237756
Kind Code:
B2
Abstract:
A fingerboard having at least one fingerboard row for storing a plurality of threaded tubulars is provided. A plurality of latches are connected to the at least one fingerboard row for lockingly retaining at least one threaded tubular, wherein each of the plurality of latches is movable between a locked position and an unlocked position. A row controller is connected to each of the latches for individually and sequentially moving the latches between the locked and unlocked positions, wherein the row controller is manually operable from a location remote from the latches such that the latches are manually and remotely controlled.

Inventors:
Neil Hurst
Application Number:
JP2005512374A
Publication Date:
March 11, 2009
Filing Date:
October 29, 2003
Export Citation:
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Assignee:
Burco Eye/Peace, Incorporated
International Classes:
E21B19/14; E21B19/00
Domestic Patent References:
JP6058070A
JP62090494A
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Yoryo Mihashi