Debris protected twist attachment

• Main Author: Houck, Thomas E
• Format: Patent
• Language: English
• Published: 29.01.2019
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; BLASTING; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; CRANES; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HANDLING THIN OR FILAMENTARY MATERIAL; HAULING; HEATING; HOISTING; LIFTING; LIGHTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; MECHANICAL ENGINEERING; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR; WEAPONS

A detachable attachment assembly has a receptacle unit and a carrier unit. The receptacle unit includes a housing defining a receptacle slot and a piston having a profile substantially matching the receptacle slot. The piston is movable between an engaged position, proximal the receptacle slot, and a retracted position, distal to the receptacle slot. A biasing member biases the piston toward the engaged position. A flange of the carrier unit has a width greater than the length of the receptacle slot. A lock tab is offset from the flange and is configured to pass through the receptacle slot. A first angle of the carrier unit lets the lock tab move the piston from the engaged position to the retracted position. A second angle prevents passage of the lock tab through the receptacle slot. An accessory is attached to the carrier unit.