A baby stroller foldable joint includes a joint mechanism having a top frame joint, a bottom frame joint and a rear wheel frame joint connecting to the top frame, the bottom frame and the rear wheel frame respectively. Each frame joint is provided with a breach at its rim, and the breaches are align
A baby stroller foldable joint includes a joint mechanism having a top frame joint, a bottom frame joint and a rear wheel frame joint connecting to the top frame, the bottom frame and the rear wheel frame respectively. Each frame joint is provided with a breach at its rim, and the breaches are aligned with one another. The joint mechanism has a gear set in its interior. A control mechanism has a slider flexible to move back and forth, driving a flexible block through a linkage, for the purpose of clasping or separating the breaches of the frame joints, to accomplish expansion or folding of the frame. By aforesaid combination, expansion or folding of the frame can be simultaneous and accomplished at one go, and expansion can even be locked automatically, to make the manipulation handy and swift.
대표청구항▼
1. A baby stroller foldable joint comprising: a joint mechanism having a top frame joint, a bottom frame joint and a rear wheel frame joint connecting to a top frame, a bottom frame, and a rear wheel frame respectively, wherein each frame joint is provided with a breach at a rim, wherein the breache
1. A baby stroller foldable joint comprising: a joint mechanism having a top frame joint, a bottom frame joint and a rear wheel frame joint connecting to a top frame, a bottom frame, and a rear wheel frame respectively, wherein each frame joint is provided with a breach at a rim, wherein the breaches are aligned with one another, with the joint mechanism having a gear set in an interior of the joint mechanism; anda control mechanism, having a slider flexible to move back and forth, to drive a flexible block through a linkage, for clasping or separating the breach of each frame joint, to accomplish expansion or folding of the frames;wherein expansion or folding of the frames being simultaneous and accomplished at one go, and wherein expansion of the frames is locked automatically, to make manipulation handy and swift. 2. A baby stroller foldable joint as in claim 1 wherein the gear set comprises: a first tooth row set up in the bottom frame joint, a second tooth row set up in the top frame joint and a linking pinion set up near a center of the rear wheel frame joint. 3. A baby stroller foldable joint as in claim 1 wherein said control mechanism is provided with a lug joined with the slider. 4. A baby stroller foldable joint as in claim 1 wherein the linkage of said control mechanism comprises: a drag pole joined with the slider, and a lever in pivotal connection with the drag pole. 5. A baby stroller foldable joint as in claim 1 wherein the flexible block of said control mechanism is provided with a snap rod at a top of the flexible block. 6. A baby stroller foldable joint as in claim 1 wherein said control mechanism further comprises: a fixed stand set up at a back side and a bottom of the rear wheel frame joint, with the slider set up in an interior of the fixed stand and behind the back side, with the fixed stand having a springy member in the interior of the fixed stand;a lug set up at the back side of the fixed stand and joined with a top end of the slider;a drag pole having a long trough and in pinned connection to a bottom of the slider by a fixing pin, with the flexible block set up in the interior of the fixed stand and behind a front side of the fixed stand, with the flexible block having a springy member in an interior of the flexible block, a snap rod at a top portion of the flexible block, and a block pin at a middle portion of the flexible block; anda lever having one end in pinned connection to a bottom of the drag pole, a middle portion of the lever is fixed by a pin link, and an end of the lever pushed against a top end of the block pin. 7. A baby stroller foldable joint as in claim 6 wherein the fixed stand is provided with a safe lock at an outer side of the fixed stand, for seizure of the flexible block.
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이 특허에 인용된 특허 (2)
Den Boer, Jacob Geert Arie, Foldable stroller with detachable carrier.
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