Patents by Inventor Youn-Fu You
Youn-Fu You has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9049945Abstract: A space adjustment mechanism for a chair includes a seat base unit, a backrest sliding unit and an angular cross linking unit. The seat base unit has a body portion for accommodating an occupant sitting thereupon, and a shaft extending downward from the body portion. The backrest sliding unit has a backrest connected with a slidable rack which is slidably engaged with the body portion and formed with a pair of tubular sections. The angular cross linking unit has a first extending member for telescopically engaged with the shaft, and a pair of second extending members for telescopically engaged with the tubular sections. By this mechanism, when the first extending member is moving downward along the shaft, the backrest is driven to move backward for accommodating elder child, when the first extending member is moving upward, the backrest is driven to move forward for accommodating little child.Type: GrantFiled: April 23, 2013Date of Patent: June 9, 2015Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.Inventors: Youn-Fu You, Kuang-Neng Cheng, Janwillem Bouwknegt, Martijn Hans Van Gelderen, Herman Van Der Vegt
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Patent number: 8656530Abstract: The adjustable mechanism for changing floor height of a play yard according to the present invention comprises at least a foldable frame, a first bed floor, a flexible envelope and an adjustable mechanism. The foldable frame has an upper border portion and a base support assembly. The first bed floor is connected to the base support assembly. The flexible envelope has a second bed floor and a shading periphery connected with the second bed floor, the shading periphery is folded to form an indigitation length exposed outside the foldable frame thereby adjustably hanging on the upper border portion. The adjustable mechanism is operatively mounted on the foldable frame and connected with the lower end of the indigitation length for adjusting the second bed floor relative to the first bed floor in distance and height.Type: GrantFiled: February 14, 2012Date of Patent: February 25, 2014Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.Inventors: Youn-Fu You, Ho-Sheng Chen, Ching-Hsing Kuo
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Patent number: 8640278Abstract: An adjustment mechanism for altering a height of a baby playpen from the ground to a bottom of the baby playpen is disclosed. The adjustment mechanism includes a foldable skeleton, a seat fabric slideably put on the foldable skeleton to construct a plurality of side surface and a bottom surface for forming an accommodation space, and a height adjustment positioning mechanism disposed between the foldable skeleton and the seat fabric thereby altering the height of the bottom surface from the ground by adjusting the seat fabric.Type: GrantFiled: August 19, 2011Date of Patent: February 4, 2014Assignee: Lerado(Zhong Shan)Industrial Co., LtdInventors: Youn-Fu You, Ho-Sheng Chen, Ching-Hsing Kuo
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Publication number: 20130292984Abstract: A chair with a backrest adjustment mechanism includes a chair, a back support board, and a driving mechanism. The chair has a back portion and a seat portion and formed a space for accommodating an occupant. The back support board is movably mounted in front of the back portion. The driving mechanism is operatively mounted between the back support board and the back portion, and capable of moving the back support board forward to reduce a seat depth of the chair for accommodating shorter occupant, and moving the back support board backward to enlarge the seat depth of the chair for accommodating taller occupant. By manipulating the driving mechanism of the present invention, both taller and shorter occupants should be able to find a seat depth to accommodate their upper leg length, so as to help occupants maintain proper back support, distributing their weight evenly across the seat portion.Type: ApplicationFiled: May 1, 2013Publication date: November 7, 2013Applicant: LERADO (ZHONG SHAN) INDUSTRIAL CO., LTD.Inventors: YOUN-FU YOU, YUNG-SHUEN LIN, CHI-CHIEN CHEN
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Publication number: 20130278034Abstract: A space adjustment mechanism for a chair includes a seat base unit, a backrest sliding unit and an angular cross linking unit. The seat base unit has a body portion for accommodating an occupant sitting thereupon, and a shaft extending downward from the body portion. The backrest sliding unit has a backrest connected with a slidable rack which is slidably engaged with the body portion and formed with a pair of tubular sections. The angular cross linking unit has a first extending member for telescopically engaged with the shaft, and a pair of second extending members for telescopically engaged with the tubular sections. By this mechanism, when the first extending member is moving downward along the shaft, the backrest is driven to move backward for accommodating elder child, when the first extending member is moving upward, the backrest is driven to move forward for accommodating little child.Type: ApplicationFiled: April 23, 2013Publication date: October 24, 2013Applicant: Lerado (Zhong Shan) Industrial Co., Ltd.Inventors: YOUN-FU YOU, KUANG-NENG CHENG, JANWILLEM BOUWKNEGT, MARTIJN HANS VAN GELDEREN, HERMAN VAN DER VEGT
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Patent number: 8302978Abstract: A baby walker with a use-transferable upper tray comprises an upper tray, a base, a pair of side posts and a positioning mechanism. The upper tray is positioned by the positioning mechanism in a first position or a second position and being connected with a seat for accommodating a baby-occupant. The base has a rear opening that permits an elder baby to enter without obstacle to learn walking therein by grabbing the rear end of the upper tray, when the upper tray is moved to a second position from a first position. Each of the pair of side posts is connected between the upper tray and the base for positioning the baby walker in a selected height.Type: GrantFiled: July 21, 2011Date of Patent: November 6, 2012Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.Inventors: Youn-Fu You, Chia-Ming Shen, Kuang-Neng Cheng
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Publication number: 20120211713Abstract: The adjustable mechanism for changing floor height of a play yard according to the present invention comprises at least a foldable frame, a first bed floor, a flexible envelope and an adjustable mechanism. The foldable frame has an upper border portion and a base support assembly. The first bed floor is connected to the base support assembly. The flexible envelope has a second bed floor and a shading periphery connected with the second bed floor, the shading periphery is folded to form an indigitation length exposed outside the foldable frame thereby adjustably hanging on the upper border portion. The adjustable mechanism is operatively mounted on the foldable frame and connected with the lower end of the indigitation length for adjusting the second bed floor relative to the first bed floor in distance and height.Type: ApplicationFiled: February 14, 2012Publication date: August 23, 2012Inventors: Youn-Fu YOU, Ho-Sheng CHEN, Ching-Hsing Kuo
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Publication number: 20120042447Abstract: An adjustment mechanism for altering a height of a baby playpen from the ground to a bottom of the baby playpen is disclosed. The adjustment mechanism includes a foldable skeleton, a seat fabric slideably put on the foldable skeleton to construct a plurality of side surface and a bottom surface for forming an accommodation space, and a height adjustment positioning mechanism disposed between the foldable skeleton and the seat fabric thereby altering the height of the bottom surface from the ground by adjusting the seat fabric.Type: ApplicationFiled: August 19, 2011Publication date: February 23, 2012Applicant: LERADO(ZHONG SHAN)INDUSTRIAL CO., LTDInventors: Youn-Fu YOU, Ho-Sheng CHEN, Ching-Hsing KUO
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Publication number: 20120018971Abstract: A baby walker with a use-transferable upper tray comprises an upper tray (2), a base (3), a pair of side posts and a positioning mechanism (7). The upper tray (2) is connected with a seat (21) for accommodating a baby-occupant sitting thereon for feeding foods. The base (3) has a plurality of wheels (31) for contacting the ground, thereby permitting an elder baby to push and move the baby walker (10) easily. Each of the pair of side posts is connected between the upper tray (2) and the base (3) for positioning the baby walker (10) in a selected height. The positioning mechanism (7) is capable of positioning the upper tray (2) relative to the base (3) in a first position (71) and a second position (72), wherein the second position (72) is forward relative to the first position (71), when the upper tray in positioned in the second position (72), allowing the elder baby to enter and learning walk inside an opening space inside the base (3) by grabbing the rear end of the upper stay (2).Type: ApplicationFiled: July 21, 2011Publication date: January 26, 2012Applicant: LERADO (ZHONG SHAN) INDUSTRIAL CO., LTD.Inventors: Youn-Fu You, Chia-Ming Shen, Kuang-Neng Cheng
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Patent number: 7584985Abstract: A foldable baby stroller, comprising simplified rods assembly for expanding and folding via linkage, includes a front supporter, a linking rod and a rear supporter, wherein the front supporter pivots to the rear supporter. One end of the front supporter connects to a sliding sleeve for driving by the handle bar, and the linking rod is pivotally connected between the handle bar and the rear supporter. Via the simple linkage, the sliding sleeve slides down and further driving the linking rod for rotation, in which the rear supporter is drawn close to the front supporter to be in a folded state. The simplified structure of the stroller has the effect of easy assembly and smoothly operation.Type: GrantFiled: August 15, 2006Date of Patent: September 8, 2009Assignee: Link Treasure LimitedInventors: Youn-Fu You, Tse-Chien Wu, Wei-Yeh Li
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Patent number: 7434827Abstract: A single hand folding structure for an umbrella folding stroller includes a folding set to connect between a pair of side frames of the stroller. The folding set is provided with a driving lever, and a driver is arranged at one of the side frames. A connecting element connects between the driver and the driving element. When a user folds the stroller, the user can pull the driver to move the driving lever via the connecting element and force the folding set to fold so the two sides of the frame are moved inward closely to each other. An elastic element of the frame is utilized to assist the folding of the frame such that the user can fold the frame of the stroller easily and effortlessly. Thus, the user can operate with a single hand, without using a foot, to release the frame to fold.Type: GrantFiled: April 21, 2006Date of Patent: October 14, 2008Assignee: Link Treasure LimitedInventors: Chuan-Ming Yeh, Youn-Fu You, Wei-Yeh Li
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Publication number: 20070085302Abstract: A foldable baby stroller, comprising simplified rods assembly for expanding and folding via linkage, includes a front supporter, a linking rod and a rear supporter, wherein the front supporter pivots to the rear supporter. One end of the front supporter connects to a sliding sleeve for driving by the handle bar, and the linking rod is pivotally connected between the handle bar and the rear supporter. Via the simple linkage, the sliding sleeve slides down and further driving the linking rod for rotation, in which the rear supporter is drawn close to the front supporter to be in a folded state. The simplified structure of the stroller has the effect of easy assembly and smoothly operation.Type: ApplicationFiled: August 15, 2006Publication date: April 19, 2007Inventors: Youn-Fu You, Tse-Chien Wu, Wei-Yeh Li
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Patent number: 7128367Abstract: A foldable highchair framework includes a folded support stand, a chair, a link assembly and a positioning mechanism. The folded support stand includes a front stand and a rear stand capable of being drawn close. The chair includes a seat and a backrest pivoted to each other. The link assembly is pivoted between the folded support stand and the chair. When the positioning mechanism of this invention releases the chair, the rear stand is able to draw close to the front stand. The linking operation with the link assembly allows folding of the chair and the backrest at the same time, to form a foldable highchair framework with a compact size.Type: GrantFiled: September 27, 2004Date of Patent: October 31, 2006Assignee: Link Treasure LimitedInventors: Youn-Fu You, Wei-Yeh Li
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Publication number: 20060237948Abstract: The invention discloses a frame folding apparatus of a baby stroller that includes a frame capable of being folded longitudinally and transversally and a rear support frame of the frame pivotally connected to a transversal support frame, and an end of said transversal support frame is connected to a sliding cover, and the sliding cover slides on the rear support frame, and a fixing member latches and fixes a sliding cover on the rear support frame, such that the transversal support frame can spread open and fix the frame. A release device is installed at an appropriate position of the frame for controlling the movement of the fixing member to separate the latch of the sliding cover, and the transversal support frame drives the frame to be folded transversally.Type: ApplicationFiled: November 7, 2005Publication date: October 26, 2006Inventors: Youn-Fu You, Wei-Yeh Li, Ying-jen Chen
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Patent number: 7108275Abstract: A single hand folding structure for an umbrella folding stroller includes a connecting element is utilized to connect between a single hand release structure and a driving piece of a folding set. The single hand release structure is disposed on a handle bar of a frame of the umbrella folding stroller so as to allow a user to directly operate with a single hand to release the folding set. An elastic element of the frame is utilized to assist the partial folding of the frame such that the user can directly push the handle bar to fold the frame. Thus, the user avoids using a foot to release the frame to fold and, subsequently, prevents damage to shoes.Type: GrantFiled: February 16, 2005Date of Patent: September 19, 2006Assignee: Link Treasure LimitedInventors: Chuan-Ming Yeh, Youn-Fu You, Wei-Yeh Li
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Publication number: 20060197313Abstract: A single hand folding structure for an umbrella folding stroller (2) includes a folding set to connect between a pair of side frames of the stroller, wherein the folding set is provided with a driving lever and a driver is arranged at one of the frames. A connecting element connects between the driver and the driving element. When a user is to fold the stroller, the user can pull the driver to move the driving lever via the connecting element and force the folding set to fold so as the two sides of the frame are inward closely to each other. An elastic element of the frame is utilized to assist the folding of the frame such that the user can fold the frame of the stroller easily and effortlessly. Thus, the user can operate with a single hand but without using a foot to release the frame to fold.Type: ApplicationFiled: April 21, 2006Publication date: September 7, 2006Inventors: Chuan-Ming Yeh, Youn-Fu You, Wei-Yeh Li
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Patent number: D524196Type: GrantFiled: November 1, 2004Date of Patent: July 4, 2006Assignee: Link Treasure LimitedInventor: Youn-Fu You
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Patent number: D532721Type: GrantFiled: December 9, 2005Date of Patent: November 28, 2006Assignee: Link Treasure LimitedInventors: Tse-Chien Wu, Youn-Fu You, Wei-Yeh Lee
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Patent number: D574559Type: GrantFiled: June 25, 2007Date of Patent: August 5, 2008Assignees: Link Treasure Limited, Vermont Juvenile Furniture Mfg.Inventors: Youn-Fu You, Ying-Jen Chen, Scott Jakubowski, Chris Jakubowski, Todd Jakubowski
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Patent number: D584458Type: GrantFiled: June 25, 2007Date of Patent: January 6, 2009Assignees: Link Treasure Limited, Vermont Juvenile Furniture Mfg. Inc.Inventors: Youn-Fu You, Ying-Jen Chen, Scott Jackubowski, Chris Jakubowski, Todd Jakubowski