B PERFORMING OPERATIONS; TRANSPORTING
B62 LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62B HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
B62B9/00 Accessories or details specially adapted for children's carriages or perambulators
B62B9/10 Perambulator bodies; Equipment therefor
B62B9/102 characterized by details of the seat
B62B9/104 with adjustable or reclining backrests