Device for remotely actuating the safety lock of individual...

Details Device for remotely actuating the safety lock of individual... Device for remotely actuating the safety lock of individual...

2006-04-28

2010-11-16

Bagnell, David J (Department: 3672)

Wells

Above ground apparatus

C074S041000, C292S216000

Reexamination Certificate

active

07832469

ABSTRACT:
A device for remotely actuating the safety lock of individual oil pumping apparatuses, (also known as AIB) employed in oil wells for extraction of this fluid. The actuating device or locking device permits an AIB operator to remotely actuate a safety lock for locking the entire movement of the AIB, without the need for the operator to go into an area of the AIB where the safety lock is usually housed. For this purpose the locking device includes an actuator for moving upwardly and downwardly the safety lock. The locking device also includes an indicator for indicating the position of the safety lock.

REFERENCES:
patent: 2443744 (1948-06-01), Mohnkern
patent: 4275609 (1981-06-01), DeLaney
patent: 4453426 (1984-06-01), Groutage et al.

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