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US 10,207,731 B2Granted
Expandable child carrier
AssigneeWonderland Switzerland AG
InventorsAndrew J. Taylor, Curtis M. Hartenstine, Robert E. Haut
Life of this patent
Estimating the term…
Abstract
An expandable child carrier includes a base frame, a pivot frame, at least one first wheel unit and at least one second wheel unit. The pivot frame is pivoted to the base frame. The first wheel unit is mounted to the base frame. The second wheel unit is mounted to the pivot frame. A distance between the second wheel unit and the first wheel unit is adjusted upon the pivotal movement of the pivot frame relative to the base frame.
Claims19
An expandable child carrier comprising:
- a base frame;
- a pivot frame pivoted to said base frame;
- at least one first wheel unit mounted to said base frame;
- at least one second wheel unit mounted to said pivot frame, a distance between said at least one second wheel unit and said at least one first wheel unit being adjusted upon the pivotal movement of said pivot frame relative to said base frame;
- and
- a mount and a mount block, said mount being fixedly mounted to said base frame for being removably mounted with a seat, said mount block being co-movably mounted to said pivot frame for blocking said mount so as to prevent the seat to be mounted on said mount.
3 more elements
An expandable child carrier comprising:
- a base frame;
- a pivot frame pivoted to said base frame;
- at least one first wheel unit mounted to said base frame;
- at least one second wheel unit mounted to said pivot frame, a distance between said at least one second wheel unit and said at least one first wheel unit being adjusted upon the pivotal movement of said pivot frame relative to said base frame;
- a handle that is co-movably mounted to said pivot frame for manual operation;
- and
- a latch member and a positioning seat, said positioning seat being fixedly mounted to said base frame, and being formed with at least one positioning groove, said latch member being movably mounted to said handle, and removably engaging said at least one positioning groove for positioning said pivot frame relative to said base frame.
4 more elements
An expandable child carrier comprising:
- a base frame;
- a pivot frame pivoted to said base frame;
- at least one first wheel unit mounted to said base frame;
- at least one second wheel unit mounted to said pivot frame, a distance between said at least one second wheel unit and said at least one first wheel unit being adjusted upon the pivotal movement of said pivot frame relative to said base frame;
- a handle that is pivoted to said base frame and that is associated with said pivot frame for manual operation;
- and
- a latch member, a positioning seat and an auxiliary link, said positioning seat being fixedly mounted to said base frame, and being formed with at least one positioning groove, said auxiliary link being pivoted to said handle and said pivot frame, and cooperating with said handle, said pivot frame and said base frame to constitute a four-bar linkage, said latch member being movably mounted to said handle, and removably engaging said at least one positioning groove for positioning said pivot frame relative to said base frame.
4 more elements
Dependencies are inferred from the claim text.