UNIVERSAL ELEVATOR Russian patent published in 2014 - IPC E21B19/06

Abstract RU 2507368 C2

FIELD: oil-and-gas industry.

SUBSTANCE: elevator consists of casing with links buckles, lock and retainer. Said retainer consists of the case, rod, bush, adjusting sleeve, spring and handle. Said handle is welded to retainer case. Detachable lock consists of a barrel with groove, safety keys and locking flap. The latter has two threaded holes to attachment of the retainer.

EFFECT: higher reliability, ease of use.

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RU 2 507 368 C2

Authors

Kopachevskij Valerij Nikolaevich

Dates

2014-02-20—Published

2009-12-11—Filed