Patents by Inventor Wei-Yeh Li

Wei-Yeh Li 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).

  • Patent number: 8997948
    Abstract: A hand-detecting brake system for baby stroller is equipped on a stroller frame, including a handle holder, a brake mechanism, an electric motor, and a battery. The handle holder is connected to one end of the stroller frame equipped with a hand-detecting device for creating a signal when user's hand being held or touched on the handle holder. The brake mechanism is operatively mounted on one side of a first wheel of the stroller frame for braking and un-braking the first wheel. The electric motor is capable of driving the brake mechanism to brake the first wheel when being received the signal from the hand-detecting device, and un-brake the first wheel when the signal from the hand-detecting device being disappeared. The battery electrically connected to the hand-detecting device and the electric motor for supplying needed power thereto.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: April 7, 2015
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd
    Inventors: Wei-Yeh Li, Nien-Li Peng, Tsung-Li Wu
  • Patent number: 8991838
    Abstract: A stroller frame with an automatic brake mechanism actuatable by hand detecting includes at least a first rear wheel, a first locking mechanism, a second rear wheel, a second locking mechanism, a battery and a hand-detecting handle. The hand-detecting handle is capable of detecting the caregiver's hand by a change of capacitance on its surface, generating a first control signal to a power supply circuit when the caregiver's hand is near, and generating a second control signal to the power supply circuit when the caregiver's hand is absent. The power supply circuit may provide currents in different direction to the first locking mechanism and the second locking mechanism according to the first control signal and the second control signal, so as to lock the rear wheels once the caregiver's hand has left the hand-detecting handle, and unlock the rear wheels when the caregiver's hand near the hand-detecting handle automatically.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: March 31, 2015
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.
    Inventors: Wei-Yeh Li, Tsung-Li Wu
  • Patent number: 8991853
    Abstract: A retractable stroller comprises a pair of push arms, a pair of second sliding mounts and a pair of foot rest mount. The pair of push arms are slidably and retractably coupling with a pair of front struts. The pair of second sliding mounts are fixedly mounted on the lower ends of the push arms in a way of slidable along the front struts; each sliding mount formed with an opening in a radial direction, and the pair of foot rest mounts are usable for connecting a foot support element therebetween for support an occupant's feet at an appropriate height. The pair of foot rest mounts are fixedly attached to the front struts in a position aligned with the opening so as to permit the second sliding mounts capable of sliding along the front struts and passing over the foot rest mount without obstacle of the foot rest mount.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: March 31, 2015
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd
    Inventors: Wei-Yeh Li, Bo-Wen Yang
  • Patent number: 8899672
    Abstract: A linkage for a foldable high chair comprises at least a front strut frame, a rear strut frame, a chair back frame, a seat support frame, a pair of arm rests, a first link, a second link and third link assembled by pivoting with each other and a locking mechanism for keeping the foldable high chair in a use position. The seat support frame is driven by the chair back frame and drives the first slidable connector through the first link and the third link, and then the first slidable connector may drive the rear strut frame through the second link, thereby rotating the rear strut frame to the front strut frame.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: December 2, 2014
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.
    Inventor: Wei-Yeh Li
  • Publication number: 20140346746
    Abstract: A stroller frame with an automatic brake mechanism actuatable by hand detecting includes at least a first rear wheel, a first locking mechanism, a second rear wheel, a second locking mechanism, a battery and a hand-detecting handle. The hand-detecting handle is capable of detecting the caregiver's hand by a change of capacitance on its surface, generating a first control signal to a power supply circuit when the caregiver's hand is near, and generating a second control signal to the power supply circuit when the caregiver's hand is absent. The power supply circuit may provide currents in different direction to the first locking mechanism and the second locking mechanism according to the first control signal and the second control signal, so as to lock the rear wheels once the caregiver's hand has left the hand-detecting handle, and unlock the rear wheels when the caregiver's hand near the hand-detecting handle automatically.
    Type: Application
    Filed: August 20, 2013
    Publication date: November 27, 2014
    Inventors: WEI-YEH LI, TSUNG-LI WU
  • Publication number: 20140091560
    Abstract: A retractable umbrella stroller comprises a pair of push arms, a pair of second sliding mounts and a pair of foot rest mount. The pair of push arms are slidably and retractably coupling with a pair of front struts. The pair of second sliding mounts are fixedly mounted on the lower ends of the push arms in a way of slidable along the front struts; each sliding mount formed with an opening in a radial direction, and the pair of foot rest mounts are usable for connecting a foot support element therebetween for support an occupant's feet at an appropriate height. The pair of foot rest mounts are fixedly attached to the front struts in a position aligned with the opening so as to permit the second sliding mounts capable of sliding along the front struts and passing over the foot rest mount without obstacle of the foot rest mount.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 3, 2014
    Applicant: LERADO (ZHONG SHAN) INDUSTRIAL CO., LTD.
    Inventors: WEI-YEH LI, BO-WEN YANG
  • Publication number: 20140070574
    Abstract: A linkage for a foldable high chair is capable of keeping in a use position by a locking mechanism, and then foldable by rotation of its chair back frame forward and downward. The foldable high chair comprises at least a front strut frame, a rear strut frame, a chair back frame, a seat support frame, a pair of arm rests, a first link, a second link and third link assembled by pivot means with each other and a locking mechanism capable of keeping the foldable high chair in a use position. The seat support frame is capable of driving by the chair back frame and then drives the first slidable connector through the first link and the third link, and then the first slidable connector drives the rear strut frame through the second link, so as to rotate the rear strut frame to close to the front strut frame.
    Type: Application
    Filed: September 11, 2013
    Publication date: March 13, 2014
    Inventor: WEI-YEH LI
  • Patent number: 8657311
    Abstract: A stroller frame includes a wheeled frame, a seat support, a handle bar and a limiting mechanism. The wheeled frame has a front wheel side and rear wheel side. The seat support is pivotally mounted atop the wheeled frame about a seat support axis, and selectively may have a forward facing direction and a rearward facing direction positioned by a locking member. The handle bar is pivotally and lockably connected to the seat support about a handle bar axis and associated with the locking member for interchanging the facing directions of the seat support. The limiting mechanism is associated between the wheeled frame, the seat support and the handle bar, for preventing the handle bar from rotating about the handle bar axis from the upright position to a position extending toward the front wheel side while tilting up the handle bar and rotating the seat support for interchanging the facing directions.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: February 25, 2014
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.
    Inventor: Wei-Yeh Li
  • Patent number: 8496263
    Abstract: A foldable stroller frame with an auto-extending wheel distance adjustment is provided with at least a front support rack, a rear support rack, a pushing rack and a pair of power transmitting rods. A pair of first sliding-and-pivoting connectors is mounted for moving along the front support rack and permitting the pair of rear wheel sets capable of moving toward the front wheel set for shortening the wheel distance between the pair of rear wheel sets and the front wheel set. The pushing rack has an upper pushing section and a lower pushing section pivoted to the lower portion of the upper pushing section. The pair of power transmitting rods is connected between the rear support rack and the pushing rack for driving the rear support rack by rotating the pushing rack.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: July 30, 2013
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.
    Inventors: Tse-Chien Wu, Wei-Yeh Li
  • Patent number: 8491000
    Abstract: A folding stroller comprises a stroller frame and a foldable and detachable seat (4), the stroller frame (10) having a supporting rack (14) for providing a first engaging site (2) and a second engaging site (3). The foldable and detachable seat (4) can connect to the stroller frame (10) at the first engaging site (2) and the second engaging site (3), and can be released from the first engaging site (2) by folding its seat back (42), and thereafter disengaging from the second engaging site (3) by pulling a releasing member (64).
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: July 23, 2013
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.
    Inventors: Chuan-Ming Yeh, Wei-Yeh Li
  • Patent number: 8485546
    Abstract: The foldable baby stroller frame comprises a collapsible wheeled frame, a foldable upper frame, and at least a release mechanism. The collapsible wheeled frame comprises at least a front strut, a pair of rear struts and a lockable swivel base. The lockable swivel base is pivotally connected with the front strut and the rear strut, including a spring-loaded abutting slider for fixing the front strut and the rear strut in a using position. The release mechanism is manipulated by rotating a pair of push arms, when the push arms is rotated upwardly to a upright position, the spring-loaded positioning member is disengaged to permit the foldable upper frame changing its direction, and when the push arms is rotated downwardly, the spring-loaded abutting slider is refracted to permit the front strut and the rear strut rotating relative to each other.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: July 16, 2013
    Assignee: Lerado (Zhong Shan) Industrial Co., Ltd.
    Inventors: Wei-Yeh Li, Kuang-Neng Cheng
  • Publication number: 20120056408
    Abstract: A foldable stroller frame with an auto-extending wheel distance adjustment is provided with at least a front support rack, a rear support rack, a pushing rack and a pair of power transmitting rods. A pair of first sliding-and-pivoting connectors is mounted for moving along the front support rack and permitting the pair of rear wheel sets capable of moving toward the front wheel set for shortening the wheel distance between the pair of rear wheel sets and the front wheel set. The pushing rack has an upper pushing section and a lower pushing section pivoted to the lower portion of the upper pushing section. The pair of power transmitting rods is connected between the rear support rack and the pushing rack for driving the rear support rack by rotating the pushing rack.
    Type: Application
    Filed: September 7, 2011
    Publication date: March 8, 2012
    Applicant: LERADO (ZHONG SHAN) INDUSTRIAL CO., LTD
    Inventors: Tse-Chien Wu, Wei-Yeh Li
  • Publication number: 20110193325
    Abstract: A stroller frame with a swivel seat and a limiting mechanism comprises at least a wheeled frame, a seat support, a handle bar and a limiting mechanism. The wheeled frame has a front wheel side and rear wheel side. The seat support is pivotally mounted atop the wheeled frame, and selectively may have a forward facing direction and a rearward facing direction positioned by a locking member. The handle bar is pivotally and lockably connected to the seat support and associated with the locking member for interchanging the facing directions of the seat support. The limiting mechanism is associated between the wheeled frame, the seat support and the handle bar, for preventing the push bar from rotating toward the front wheel side while tilting up the push bar and rotating the seat support for interchanging the facing directions.
    Type: Application
    Filed: February 10, 2011
    Publication date: August 11, 2011
    Applicant: LERADO (ZHONG SHAN) INDUSTRIAL CO., LTD
    Inventor: Wei-Yeh Li
  • Publication number: 20110012324
    Abstract: A folding stroller comprises a stroller frame and a foldable and detachable seat (4), the stroller frame (10) having a supporting rack (14) for providing a first engaging site (2) and a second engaging site (3). The foldable and detachable seat (4) can connect to the stroller frame (10) at the first engaging site (2) and the second engaging site (3), and can be released from the first engaging site (2) by folding its seat back (42), and thereafter disengaging from the second engaging site (3) by pulling a releasing member (64).
    Type: Application
    Filed: July 15, 2010
    Publication date: January 20, 2011
    Applicant: LERADO (ZHONG SHAN) INDUSTRIAL CO., LTD
    Inventors: Chuan-Ming Yeh, Wei-Yeh Li
  • Publication number: 20100308550
    Abstract: The foldable baby stroller frame comprises a collapsible wheeled frame, a foldable upper frame, and at least a release mechanism. The collapsible wheeled frame comprises at least a front strut, a pair of rear struts and a lockable swivel base. The lockable swivel base is pivotally connected with the front strut and the rear strut, including a spring-loaded abutting slider for fixing the front strut and the rear strut in a using position. Preferably, a spring-loaded positioning member is installed for releasably engaging between the foldable upper frame and the lockable swivel base to fix the direction of the foldable upper frame.
    Type: Application
    Filed: July 28, 2010
    Publication date: December 9, 2010
    Applicant: LERADO (ZHONG SHAN) INDUSTRIAL CO., LTD
    Inventors: Wei-Yeh Li, Kuang-Neng Cheng
  • Patent number: 7766366
    Abstract: A foldable baby stroller frame comprises a collapsible wheeled frame, a foldable upper frame, and at least a release mechanism. The collapsible wheeled frame comprises at least a front strut, a pair of rear struts, a pair of lockable articulated arms, and a swivel base. The swivel base is pivotally connected with the front strut and the rear strut, and further has a vertical shaft hole for pivotally connecting and supporting the foldable upper frame. The pair of lockable articulated arms is pivotally connected between the front strut and the rear strut, and has a locked position for keeping the collapsible wheeled frame in an un-foldable state and a foldable position for folding the collapsible wheeled frame. The release mechanism is operatively mounted on the foldable upper frame and associates with the pair of lockable articulated arms via a connecting member for actuating the folding of the collapsible wheeled frame and the foldable upper frame.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: August 3, 2010
    Assignee: Link Treasure Limited
    Inventor: Wei-Yeh Li
  • Patent number: 7584985
    Abstract: 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: Grant
    Filed: August 15, 2006
    Date of Patent: September 8, 2009
    Assignee: Link Treasure Limited
    Inventors: Youn-Fu You, Tse-Chien Wu, Wei-Yeh Li
  • Patent number: 7434827
    Abstract: 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: Grant
    Filed: April 21, 2006
    Date of Patent: October 14, 2008
    Assignee: Link Treasure Limited
    Inventors: Chuan-Ming Yeh, Youn-Fu You, Wei-Yeh Li
  • Patent number: 7393050
    Abstract: Disclosed is a foldable structure of highchair, the structure includes a slidable folding sleeve arranged at a rear leg and provided with a locking block; the locking block locks with a locking portion of a linking rod connected between the rear leg and seat so as to be in a fixed state for retaining expanded position of the structure. The folding sleeve is moved by users to disengage from the locking portion of the linking rod, so that the linking rod drives the rear, front leg and the seat to rotate relatively in order to draw close to one another to be in a folded state for achieving the goal of easy operation of the present invention.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: July 1, 2008
    Assignee: Link Treasure Limited
    Inventor: Wei-Yeh Li
  • Patent number: 7377537
    Abstract: An adjustable seat for a baby stroller with one-handed inclination control has a seat, a pair of rotating joints, and a one-handed adjusting mechanism. The pair of rotating joints are rotatively mounted on both sides of the seat and have a pair of connectors for detachably insertion into a pair of hold sockets firmly mounted on two sides of a baby stroller frame. A clutch member is movably received and engaged inside the rotating joint, and operatively associated with the one-handed adjusting mechanism via a flexible element. When a user actuates the clutch member by manipulating the one-handed adjusting mechanism, the rotating joint can rotatively modify its inclination relative to the baby stroller frame, so as to modify the inclination of the seat.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: May 27, 2008
    Assignee: Link Treasure Limited
    Inventor: Wei-Yeh Li