US 12,448,020 B2
Pram frame with roller set
Matthew Karl Tutt, Aberdeenshire (GB); and Stephen Paul Wilding Senior, Aberdeenshire (GB)
Assigned to AREA 52 LTD, Aberdeenshire (GB)
Appl. No. 17/923,536
Filed by AREA 52 LTD, Aberdeenshire (IE)
PCT Filed Apr. 30, 2021, PCT No. PCT/GB2021/051043
§ 371(c)(1), (2) Date Nov. 4, 2022,
PCT Pub. No. WO2021/224595, PCT Pub. Date Nov. 11, 2021.
Claims priority of application No. 2006561 (GB), filed on May 4, 2020.
Prior Publication US 2023/0202547 A1, Jun. 29, 2023
Int. Cl. B62B 7/04 (2006.01)
CPC B62B 7/042 (2013.01) [B62B 7/044 (2013.01); B62B 2301/04 (2013.01); B62B 2301/06 (2013.01); B62B 2301/254 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A pram frame comprising:
a first roller attachment point configured to engage with a first roller set; and
a second roller attachment point configured to engage with a second roller set, the first roller attachment point being at a front of the pram frame and the second roller attachment point is at a rear of the pram frame, the front of the pram frame being the direction in which the pram frame is pushed by a user;
a mechanism configured to engage with the first roller set via the first roller attachment point,
wherein the mechanism is configured to provide driven steering of the first roller set in response to a steering input to the pram frame using a pram frame handle that is attached to the mechanism; and
a plate that connects the first and second roller sets to each other, and configured to attach with a pram seat of the pram frame,
wherein the mechanism is attached to the plate, and located away from the first roller attachment point, and located under the pram seat, when the pram seat is attached to the plate.