US 11,111,112 B2Granted

Lifting assembly and method

AssigneeBalltec Limited

InventorsJonathan Jackson, Marco Teixeira

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Abstract

A lifting assembly (10) having a structure (11) with three or more receptacles and a two or more connectors (1). The structure comprises one or more receptacles (12). Each receptacle comprises one or more circumferential grooves (17) in its inside surface. The connector comprises a male element (4) for insertion into a receptacle, an attachment point (2), and one or more locking elements (6) provided on the outside surface of the male element for engaging with the or each groove in the inside surface of the or each receptacle so as to rotatably mount the attachment point relative to the structure. The connectors may be rotationally positioned within the receptacles to permit different lifting configurations to be used.

Claims20

Dependent claims

A lifting assembly comprising:

a lifting frame or a lifting cage connected to, or forming part of, or for, lifting apparatus deployed, or intended to be deployed, in a subsea location, the lifting frame or the lifting cage comprising four or more receptacles, each receptacle comprising one or more circumferential grooves in its inside surface;
and
at least four connectors, each connector comprising a male element for insertion into a receptacle of the lifting frame or the lifting cage, an attachment point for coupling to a lifting line, and one or more locking elements provided on the outside surface of the male element, wherein the one or more locking elements are engageable with the or each groove in the inside surface of a receptacle to enable the male element to be mounted in the receptacle at any desired rotational position relative to the receptacle and thereby mount the attachment point to the lifting frame or lifting cage.

Dependencies are inferred from the claim text.