B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible