LIFTING TRAP Russian patent published in 2012 - IPC A01K79/00 

FIELD: commercial fishery.

SUBSTANCE: invention refers to commercial fishery and can be used for hauling of fish and sea invertebrates that positively respond to light. The technical result of the invention is a possibility to open a lifting trap in horizontal and vertical directions that provides a considerable enlargement of the hauled amount. The lifting trap includes netting, a chafer, spacer assemblies, devices used for control of opening and closing of the trap, a compressed air source. The spacer assemblies are linked with the netting so that they cab fold up during dipping and lifting of the trap. They are radially located in the trap mouth. The compressed air source communicates with the ambient environment and with the spacer assemblies. One end of the netting is attached to the mouth ring of the netting cone. Another one - to the flexible pneumatic ring. Between them the hard rods are installed. Due to compressed air supply to the pneumatic ring the chafer rises at the angle of 45° in relation to the mouth ring of the netting cone.

EFFECT: possibility to open a lifting trap in horizontal and vertical directions that provides a considerable enlargement of the hauled amount.

1 dwg, 4 dwg