Accessories or details specially adapted for hand carts (B 62 B 9/00 takes precedence; wheels, axles, or axle bearings for vehicles B 60 B; castors for vehicles, castors in general B 60 B 33/00)
5
/
02
•
providing for travelling up or down a flight of stairs (chairs or multi-track cycles specially adapted for invalids A 61 G 5/00)
5
/
04
•
Braking mechanisms; Locking devices against movement