A castor with pressure brake device includes a wheel stand; a connecting rod for connecting the wheel stand to a seat base; a wheel shaft; and two wheels. A C-shaped shaft hole is disposed on the wheel stand, and the wheel shaft is longitudinal movably fixed in the C-shaped shaft hole. A groove is disposed above the inner side of the C-shaped shaft hole; a spring is disposed in the groove and arranged vertically to the wheel shaft, wherein an end of the spring is in contact with a bottom of the groove, and the other end of the spring is in contact with the wheel shaft. Each of the wheels comprises a fitting portion, and the fitting portion is tightly sleeved on corresponding one of the two ends of the wheel shaft.
CASTOR WITH PRESSURE BRAKE DEVICE
07.11.2024
Patent
Elektronische Ressource
Englisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |