A foldable cart comprising an upper frame, a lower frame, and a plurality of legs attached to and supporting the upper frame and the lower frame is disclosed. Each leg is configured to be folded into a folded configuration from an erect configuration. Each leg comprises a lock configured to hold the leg in the erect configuration. The lock comprises a lock bar movable between a locking position and an unlocking position, an internal support brace, wherein the lock bar extends through the internal support brace, and a spring configured to bias the lock bar into the locking position to hold the leg in the erect configuration. The lock bar is spring-loaded against the internal support brace, wherein the entire length of the spring surrounds the lock bar, and wherein the spring is confined entirely within the internal support brace.
UTILITY CART
2021-11-18
Patent
Elektronische Ressource
Englisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile |