Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66CCRANES LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES

B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles

B66C1/02by suction means B66C1/0206for handling bulk or bags B66C1/0212Circular shape B66C1/0218Safety measures B66C1/0225Hand held B66C1/0231Special lip configurations B66C1/0237Multiple lifting units; More than one suction area B66C1/0243Separate cups B66C1/025Divided cups B66C1/0256Operating and control devices B66C1/0262for rotation B66C1/0268Venturi effect B66C1/0275actuated by lifting action B66C1/0281Rectangular or square shape B66C1/0287Other shapes B66C1/0293Single lifting units; Only one suction cup B66C1/04by magnetic means B66C1/06electromagnetic B66C1/08Circuits therefor B66C1/10by mechanical means B66C1/101for containers B66C1/102for two or more containers end to end B66C1/104for two or more containers side by side B66C1/105Lifting beam permitting to depose a load through an opening B66C1/107for lifting engines B66C1/108for lifting parts of wind turbines B66C1/12Slings comprising chains, wires, ropes, or bands Nets B66C1/122Sling or load protectors B66C1/125Chain-type slings B66C1/127Nets B66C1/14Slings with hooks B66C1/16Slings with load-engaging platforms or frameworks B66C1/18Band-type slings B66C1/20specially adapted for handling vehicles B66C1/22Rigid members B66C1/223for containers B66C1/226for flexible intermediate bulk containers [FIBC] B66C1/24Single members engaging the loads from one side only B66C1/26with means for releasing the loads B66C1/28Duplicate B66C1/30and also arranged to grip the sides of the loads B66C1/32of piled or stacked articles B66C1/34Crane hooks B66C1/36with means B66C1/38adapted for automatic disengagement from loads on release of cable tensions B66C1/40formed or fitted with load measuring or indicating devices B66C1/42Gripping members engaging only the external or internal surfaces of the articles B66C1/422actuated by lifting force B66C1/425motor actuated B66C1/427by hydraulic or pneumatic motors B66C1/44and applying frictional forces B66C1/442actuated by lifting force B66C1/445motor actuated B66C1/447by hydraulic or pneumatic motors B66C1/46by inflatable elements B66C1/48to vertical edge portions of sheets, tubes, or like thin or thin-walled articles B66C1/485Coil lifting devices B66C1/54Internally-expanding grippers for handling hollow articles B66C1/56for handling tubes B66C1/58and deforming the articles B66C1/585Log grapples B66C1/59Tongs for sacks B66C1/62comprising article-engaging members of a shape complementary to that of the articles to be handled B66C1/625for gripping drums or barrels B66C1/64for T- or I-section beams or girders B66C1/66for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof B66C1/663for containers B66C1/666for connection to anchor inserts embedded in concrete structures B66C1/68mounted on, or guided by, jibs