Abstract: A method and a device are disclosed for capturing sea crustaceans, such as crab, lobster, and shrimp. In various embodiments, the disclosed crustacean trap has a tapered body and collapsible trap doors usable for stacking multiple crustacean traps to reduce space requirements for storage, transportation and deployment. Foldable entry doors allow pre set up of traps for commercial and sport fishing fishing applications. The disclosed crustacean trap is configured for single-step and/or single-hand setting up of bait, trap doors, and deployment. The disclosed crustacean trap further includes a body-attached hook, which reduces line and rope tangling during setup and operation.

Abstract: A method and a device are disclosed for capturing sea crustaceans, such as crab, lobster, and shrimp. In various embodiments, the disclosed crustacean trap has a tapered body and collapsible trap doors usable for stacking multiple crustacean traps to reduce space requirements for storage, transportation and deployment. Foldable entry doors allow pre set up of traps for commercial and sport fishing fishing applications. The disclosed crustacean trap is configured for single-step and/or single-hand setting up of bait, trap doors, and deployment. The disclosed crustacean trap further includes a body-attached hook, which reduces line and rope tangling during setup and operation.

Abstract: Separate inputs for air pressure supply and parking brake control are provided to a parking brake control valve for a towed vehicle to enable manual release of the parking brakes using air pressure stored in either one of two mutually protected reservoirs on the towed vehicle without bleeding one source of stored air pressure into another.