Patent ID: 11897534
Assignee: GRACO CHILDREN'S PRODUCTS INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 9:
10. A method of folding a wagon-style stroller from an operable configuration to a folded configuration, the method comprising:
providing a stroller configured to be adjusted from the operable configuration to the folded configuration, the stroller comprising:
a forward upper tube;
a rear upper tube;
a forward leg tube;
a rear leg tube; and
at least one hub having a slidable release grip, wherein the forward upper tube, rear upper tube, forward leg tube, and rear leg tube are coupled to one another via the hub;
wherein when the stroller is in the operable configuration and when the slidable release grip is actuated, the forward upper tube is configured to rotate about the hub towards the forward leg tube, the forward leg tube is configured to rotate about the hub towards the rear leg tube, the rear upper tube is configured to rotate about the hub towards the rear leg tube, and the rear leg tube is configured to rotate about the hub towards the forward leg tube;
wherein the hub comprises:
a first group of one or more plates comprising:
a forward upper tube plate coupled to the forward upper tube;
a rear upper tube plate coupled to the rear upper tube;
a hub spacer plate coupled to the slidable release grip;
a forward leg tube plate coupled to the forward leg tube;
a rear leg tube plate coupled to the rear leg tube; and
a keep unlock plate,
wherein each plate in the group of one or more plates comprises a locking notch,
wherein the slidable release grip comprises a locking pin shuttle configured slidably couple with each locking notch to lock each plate in the group of one or more plates in the operable configuration characterized by an alignment of the locking notches,

disengaging the locking pin shuttle from the locking notches, thereby permitting the forward upper tube, rear upper tube, forward leg tube, and rear leg tube to rotate about the hub; and
folding the forward upper tube, rear upper tube, forward leg tube, and rear leg tube, wherein the stroller is in the folded configuration.