Base of a foldable baby bed
AssigneePao-Hsien Cheng
InventorYing-Hsiung Cheng
Life of this patent
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Abstract
An improvement on a base of a baby bed has a locking plate having a central elongated hole, and two locking holes at two ends. The locking plate can be moved up and down for unlocking and locking the base. The locking holes retain respective engaging pins, with which lower support rods of the base are associated, when the locking plate is in the locking position. Owing to increased length of the elongated hole, the locking plate can slide lengthwise besides moving up and down. Therefore, in case one of the locking holes fails to disengage its corresponding engaging pin completely when the locking plate is moved to allow folding operation of the baby bed, the engaging pin still can be disengaged from the locking hole automatically on the course of exerting force on the lower support rods to fold the bed.
Claims11
A base of a foldable baby bed, comprising
- four feet, to which respective vertical support rods of a frame of a foldable baby bed are connected;
- four horizontal support rods pivotally connected to respective ones of the feet at inner ends thereof;
- and,
- a middle support, the middle support including
- i. a main body provided for supporting the baby bed on ground together with the feet;
- the main body having two juxtaposed parallel connecting holes, a through hole on a center of a top, and gaps formed on two lateral sides to communicate with respective ones of the parallel connecting holes;
- ii. a locking mechanism including a locking plate, and two pivotal shafts turnably passed through respective ones of the parallel connecting holes of the main body with two ends of the pivotal shafts, sticking out from the main body;
- the pivotal shafts having engaging pins sticking out from a middle thereof to be received within the gaps;
- the horizontal support rods being pivotally connected to respective ones of four connecting members, each of which is connected to one of the ends of the pivotal shafts;
- the locking plate having an elongated hole formed on a middle and parallel to a longer side thereof;
- the locking plate being up and down movably connected to the main body with a bolt passing through the elongated hole thereof and the through hole of the main body;
- the engaging pins being directed towards the locking plate so that locking holes of two ends thereof are separably engaged with the engaging pins to stop the pivotal shafts from turning when the baby bed is in a stretched position and when the locking plate is in a locking position;
- the elongated hole being able to provide the locking plate with capability of moving lengthwise for such a distance that should one of the locking holes fail to disengage corresponding engaging pin thereof completely when the locking plate is lifted to allow folding operation of the baby bed, the corresponding engaging pin still can be moved out of the locking hole, and the corresponding pivotal shaft still can be turned for folding operation of the baby bed to be finished.
Dependencies are inferred from the claim text.