US 2007/0163041 A1Published application

Joint structure for collapsible play yard

AssigneeLink Treasure Limited

InventorsHuang-Yi Cheng, Chi-Yung Lin

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Abstract

A joint structure for a collapsible play yard suitable for infants or pets, which is pivotally connected between a pair of upper rails of a foldable fame. The pair of tipper rails can either be locked precisely in alignment or be released and folded in a parallel arrangement. Therefore, the foldable frame can either be fixed in a deployed state or converted into a collapsed state. When the foldable frame is fixed in the deployed state, the upper rails are locked by a pair of pins, whereby the pins are supported by a pair of slots of the housing of the joint structure. A release button is equipped on the outside of the housing of the joint structure for pushing by a user, so as release the pins from the upper rails, thereby permitting the upper rails to be unlocked, rotated and folded in a parallel arrangement.

Claims8

Dependent claims

A joint structure for a collapsible play yard, comprising:

a joint used in a foldable frame for controlling the frame to be in either a deployed state or a collapsed state, said joint having:
a pair of upper rails, each rail having a locking portion at one end;
a housing having two side plates, each side plate further having a pair of slots and a through hole, wherein the housing is pivotally connected between the pair of upper rails;
a pair of pins arranged to move only linearly along the slots, wherein the pins can be fixedly engaged at the locking portion to stop the rotation of the pair of upper rails, so as to secure the frame in the deployed state;
a pair of arms, each arm having one end pivotally connected between the two side plates of the housing and another end which reciprocally drives one of the pair of pins along the corresponding slot;
an elastic member arranged to bias the pair of arms;
and
a release button movably equipped on the outside of the housing, wherein said release button is used to drive the pair of arms to carry the pair of pins so as to engage and release the pair of pins from the locking portion.

5 more elements

Dependencies are inferred from the claim text.