Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1978-10-16
1980-10-14
Marbert, James B.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
B66C 138
Patent
active
042277337
ABSTRACT:
A connection yoke includes means at one end thereof for slidably engaging guide members fixedly mounted in a pumping station whereby said yoke may be lowered and guided into a pumping station. Means are provided on the opposite end of said yoke for releasably engaging lifting tackle, whereby said tackle may be lowered into a pumping station for engagement with the lifting loop of a submersible pump and upon engagement, said connecting means releases said lifting tackle.
REFERENCES:
patent: 350223 (1886-10-01), Von Der Weilbeike
patent: 4026594 (1977-05-01), Kumpulainen
IT&T Industries, Inc.
Marbert James B.
O'Halloran John T.
Van Der Sluys Peter C.
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