A tool lifting device has: arms connected to pivot relative to one another; and a load bearing pin secured to a first arm of the arms, the arms having a closed position where the load bearing pin is supported by, and spans a tool receiving gap defined between, the arms. A tool lifting device has: arms connected to pivot relative to one another; a load bearing pin supported by one or more of the arms, the arms having a closed position where the load bearing pin extends across a tool receiving gap defined between the arms; and a pivot lock for restricting the arms from pivoting relative to one another in the closed position.
TOOL LIFTING DEVICES, OILFIELD FLANGE LIFTING SAFETY DEVICES, AND RELATED METHODS OF USE
APPAREILS DE LEVAGE D'OUTIL, DISPOSITIFS DE SECURITE DE LEVAGE DE BRIDE DE CHAMP PETROLIER ET METHODES D'UTILISATION ASSOCIEES
2017-12-28
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
TOOL LIFTING DEVICES, OILFIELD FLANGE LIFTING SAFETY DEVICES, AND RELATED METHODS OF USE
European Patent Office | 2017
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