Patents by Inventor Da Liang Zhang

Da Liang Zhang 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: 11345310
    Abstract: An assembly system warning device includes a first assembly member, a second assembly member, a main circuit, a power supply, an alarm device, a first circuit, a first switch, a second circuit and a second switch. When the first assembly member is located at an assembly position and the second assembly member is located at an idle position, the main circuit and the second circuit are connected in series to form a closed circuit. When the second assembly member is located at an assembly position and the first assembly member is located at an idle position, the main circuit and the first circuit are connected in series to form a closed circuit.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: May 31, 2022
    Assignee: Bambino Prezioso Switzerland AG
    Inventor: Da Liang Zhang
  • Patent number: 11338710
    Abstract: A child safety seat includes a seat shell having two sidewalls respectively provided at a left and a right side for restricting sideways movement of a child on the seat shell, a buffering part movably connected with the seat shell, a retaining mechanism and a release mechanism. The buffering part is movable between a first position corresponding to a stowed state where the buffering part is retracted toward one of the sidewalls, and a second position corresponding to a deployed state where the buffering part protrudes sideways from the sidewall. The retaining mechanism is operable to hold the buffering part in the first position. The release mechanism includes an operating device that is disposed adjacent to a thigh region of the seat shell and is operatively connected with the retaining mechanism, the operating device being operable to release the buffering part from the hold of the retaining mechanism.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: May 24, 2022
    Assignee: BAMBINO PREZIOSO SWITZERLAND AG
    Inventor: Da Liang Zhang
  • Publication number: 20220142377
    Abstract: A child accommodating apparatus is provided and includes a frame, an armrest tube and an armrest rotating mechanism. The armrest tube is rotatably connected with the frame. The armrest rotating mechanism is for rotating the armrest tube. The armrest rotating mechanism includes an engagement device and an operation device. The engagement device is disposed between the armrest tube and the frame and for positioning the armrest tube relative to the frame. The operation device is disposed on the armrest tube and connected with the engagement device. The operation device utilizes a movement of a housing or a movement of a button body to disengage the armrest tube from the frame, which enables the armrest tube to be adjusted relative to the frame between a lifted using configuration and a lowered access configuration. The child accommodating apparatus has advantages of simple structure, reliable locking design, and easy unlocking design.
    Type: Application
    Filed: January 26, 2022
    Publication date: May 12, 2022
    Applicant: Bambino Prezioso Switzerland AG
    Inventors: Da Liang Zhang, Ganqing Fang
  • Patent number: 11259651
    Abstract: The present application provides an armrest rotating mechanism suitable for being installed on an armrest tube and a frame. The armrest tube is rotatably connected to the frame. The armrest rotating mechanism includes an engagement device and an operation device. The engagement device is disposed between the armrest tube and the frame. Via the engagement device, the armrest tube can be positioned relative to the frame. The operation device is disposed on the armrest tube and connected with the engagement device. When the operation device is rotated, the engagement device is driven by the rotated operation device so as to disengage the armrest tube from the frame. Therefore, the armrest tube is adjustable relative to the frame and has a simple structure and utility convenience.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: March 1, 2022
    Assignee: Bambino Prezioso Switzerland AG
    Inventors: Da Liang Zhang, Ganqing Fang
  • Publication number: 20210284049
    Abstract: A child safety seat includes a seat shell and a buffering part. The seat shell includes a backrest portion and two sidewalls, the backrest portion having a front surface facing forward that is suitable to provide support for a child's back, the two sidewalls being respectively disposed at a left and a right side of the seat shell for restricting sideways movements of a child who sits in the seat shell, one of the two sidewalls having a sidewall portion located in front of the front surface. The buffering part is connected with the seat shell, the buffering part being operable to protrude sideways at an outer side of the sidewall portion.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 16, 2021
    Inventors: Xiao Long MO, Da Liang ZHANG, Zheng-Wen GUO, Ying-Zhong CHEN
  • Publication number: 20210268941
    Abstract: A child safety seat includes a seat shell having two sidewalls respectively provided at a left and a right side of the seat shell for restricting sideways movement of a child, a buffering part connected with the seat shell, a retaining mechanism and a release mechanism. The buffering part is movable between a first position retracted toward one of the two sidewalls, and a second position protruding sideways from the sidewall. The retaining mechanism is operable to hold the buffering part in the first position. The release mechanism includes an operating device that is disposed in a region of the seat shell between the two sidewalls and is operatively connected with the retaining mechanism, the operating device being operable to release the buffering part from the hold of the retaining mechanism for movement of the buffering part from the first position to the second position.
    Type: Application
    Filed: May 20, 2021
    Publication date: September 2, 2021
    Inventor: Da Liang ZHANG
  • Publication number: 20210197695
    Abstract: A child safety seat includes a support base, a seat shell positionable on the support base, a front end part rotatable relative to the seat shell between a retracted position and a deployed position, and a latching mechanism for locking the front end part in the deployed position. The seat shell has a front end provided with an opening, and two sidewalls respectively protruding at a left and a right side of a seat portion. The front end part has a transversal portion and two side portions, the transversal portion extending along a width direction of the seat shell, and the two side portions being respectively connected pivotally with the two sidewalls of the seat shell. The transversal portion of the front end part is stowed inside the opening of the seat shell in the retracted position, and extends outside the opening of the seat shell in the deployed position.
    Type: Application
    Filed: December 21, 2020
    Publication date: July 1, 2021
    Inventors: Ruyi LI, Da Liang ZHANG
  • Publication number: 20210138998
    Abstract: A safety belt automatic adjustment apparatus includes a safety belt buckle fastening assembly, a safety belt retractor and a linking component. The safety belt buckle fastening assembly is rotatably connected to a seat body of a child safety seat and for connecting with a safety belt buckle. The safety belt retractor is used for retracting a safety belt, and the safety belt retractor includes a restraining assembly for restraining a movement of the safety belt in a predetermined direction. The linking component is installed between the safety belt buckle fastening assembly and the safety belt retractor, and the safety belt buckle fastening assembly rotates to drive the linking component and the restraining assembly, so as to restrain or release the safety belt winding around the safety belt retractor. The safety belt automatic adjustment apparatus has advantages of automatic adjustment for the safety belt, simple structure, convenient operation and enhanced safety.
    Type: Application
    Filed: November 9, 2020
    Publication date: May 13, 2021
    Inventor: Da Liang Zhang
  • Publication number: 20210086676
    Abstract: A child safety seat includes a base, a seat body and a notifying system. The seat body is disposed on the base and movable relative to the base between a front facing position and a rear facing position. The notifying system includes an actuated device disposed on one of the base and the seat body, an actuating component and a notifying device. The actuating component is disposed on another one of the base and the seat body and configured to actuate the actuated device when the seat body reaches at least one of the front facing position and the rear facing position. The notifying device is electrically connected to the actuated device and configured to generate a notifying signal when the actuated device is actuated by the actuating component, so as to indicate information to facilitate a caregiver to determine whether the child safety seat is installed properly.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 25, 2021
    Inventor: Da Liang Zhang
  • Publication number: 20210070247
    Abstract: An assembly system warning device includes a first assembly member, a second assembly member, a main circuit, a power supply, an alarm device, a first circuit, a first switch, a second circuit and a second switch. When the first assembly member is located at an assembly position and the second assembly member is located at an idle position, the main circuit and the second circuit are connected in series to form a closed circuit. When the second assembly member is located at an assembly position and the first assembly member is located at an idle position, the main circuit and the first circuit are connected in series to form a closed circuit.
    Type: Application
    Filed: September 10, 2020
    Publication date: March 11, 2021
    Inventor: Da Liang Zhang
  • Publication number: 20200339016
    Abstract: A child safety seat includes a seat shell having two sidewalls respectively provided at a left and a right side for restricting sideways movement of a child on the seat shell, a buffering part movably connected with the seat shell, a retaining mechanism and a release mechanism. The buffering part is movable between a first position corresponding to a stowed state where the buffering part is retracted toward one of the sidewalls, and a second position corresponding to a deployed state where the buffering part protrudes sideways from the sidewall. The retaining mechanism is operable to hold the buffering part in the first position. The release mechanism includes an operating device that is disposed adjacent to a thigh region of the seat shell and is operatively connected with the retaining mechanism, the operating device being operable to release the buffering part from the hold of the retaining mechanism.
    Type: Application
    Filed: April 17, 2020
    Publication date: October 29, 2020
    Inventor: Da Liang ZHANG
  • Publication number: 20190099012
    Abstract: The present application provides an armrest rotating mechanism suitable for being installed on an armrest tube and a frame. The armrest tube is rotatably connected to the frame. The armrest rotating mechanism includes an engagement device and an operation device. The engagement device is disposed between the armrest tube and the frame. Via the engagement device, the armrest tube can be positioned relative to the frame. The operation device is disposed on the armrest tube and connected with the engagement device. When the operation device is rotated, the engagement device is driven by the rotated operation device so as to disengage the armrest tube from the frame. Therefore, the armrest tube is adjustable relative to the frame and has a simple structure and utility convenience.
    Type: Application
    Filed: September 28, 2018
    Publication date: April 4, 2019
    Inventors: Da Liang Zhang, Ganqing Fang
  • Patent number: 9610868
    Abstract: A lateral protecting mechanism is disposed on a lateral wing of a child safety seat. The lateral protecting mechanism includes a lateral protecting block and a protecting component. An end of the lateral protecting block is pivoted to the lateral wing. The lateral protecting block is movable between a using position and a folding position. The protecting component is slidably disposed on the other end of the lateral protecting block. The protecting component protrudes from a side of the lateral protecting block and is located between the lateral wing and the lateral protecting block when the lateral protecting block rotates away from the lateral wing and is located at the using position, and the protecting component is received in the side of the lateral protecting block when the lateral protecting block rotates toward the lateral wing and is located at the folding position.
    Type: Grant
    Filed: August 2, 2015
    Date of Patent: April 4, 2017
    Assignee: BP Children's Products HK Co., Limited
    Inventor: Da Liang Zhang
  • Patent number: 9346378
    Abstract: An infant care device includes a casing, a latch member, a driving member and a first resilient member. The casing has an insertion space permitting an insertion portion of a mounting seat to be inserted thereinto. The latch member is mounted movably to the casing. The first resilient member biases the latch member to engage the insertion portion so as to prevent relative movement between the infant care device and the insertion portion. The driving member is mounted to the casing, and is able to be pushed to move a cam portion thereof to disengage the latch member from the insertion portion against the biasing action of the first resilient member, so as to permit the relative movement between the infant care device and the insertion portion.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: May 24, 2016
    Assignee: BP CHILDREN'S PRODUCTS HK CO., LIMITED
    Inventor: Da-Liang Zhang
  • Publication number: 20160039319
    Abstract: A lateral protecting mechanism is disposed on a lateral wing of a child safety seat. The lateral protecting mechanism includes a lateral protecting block and a protecting component. An end of the lateral protecting block is pivoted to the lateral wing. The lateral protecting block is movable between a using position and a folding position. The protecting component is slidably disposed on the other end of the lateral protecting block. The protecting component protrudes from a side of the lateral protecting block and is located between the lateral wing and the lateral protecting block when the lateral protecting block rotates away from the lateral wing and is located at the using position, and the protecting component is received in the side of the lateral protecting block when the lateral protecting block rotates toward the lateral wing and is located at the folding position.
    Type: Application
    Filed: August 2, 2015
    Publication date: February 11, 2016
    Inventor: Da Liang Zhang
  • Publication number: 20150191108
    Abstract: An infant care device includes a casing, a latch member, a driving member and a first resilient member. The casing has an insertion space permitting an insert ion portion of a mounting seat to be inserted thereinto. The latch member is counted movably to the casing. The first resilient member biases the latch member to engage the insertion portion so as to prevent relative movement between the infant care device and the insertion portion. The driving member is mounted to the casing, and is able to be pushed to move a cam portion thereof to disengage the latch member from the insertion portion against the biasing action of the first resilient member, so as to permit the relative movement between the infant care device and the insertion portion.
    Type: Application
    Filed: January 6, 2015
    Publication date: July 9, 2015
    Inventor: Da-Liang ZHANG
  • Patent number: 8833854
    Abstract: A child seat includes a seat shell, and an anchoring system assembled with the seat shell. The anchoring system includes a housing, a latch assembled in the housing, a first and a second strap respectively routed through the housing, and two anchor fasteners respectively secured with the first and second straps at a rear of the seat shell. The housing has a central axis, and a first and a second opening spaced apart from each other along the central axis. The latch is movable along the central axis relative to the housing, and has two clamping surfaces facing two inner surfaces of the housing. The latch is operable to clamp the first and second straps respectively between the two inner surfaces and the two clamping surfaces. The first and second straps extend outside the seat shell at the rear, and also at two opposite lateral sides of the seat shell.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: September 16, 2014
    Assignee: BP Childrens' Products Co. HK Limited
    Inventors: Zu Jian Lu, Da Liang Zhang
  • Patent number: 8678942
    Abstract: An adjustable canopy mechanism is for use in an infant carrier device having a frame unit, and includes a top cover and a pair of pivot seat units. Each pivot seat unit includes first and second pivot seats. The first pivot seat is coupled to one of the top cover and the frame unit, and has a first central pivot portion and a plurality of engaging grooves. The second pivot seat is coupled to the other one of the top cover and the frame unit, and has a second central pivot portion connected pivotally to the first central pivot portion, and a plurality of resilient arms engaging removably and respectively a subset of the engaging grooves. The second pivot seat is rotatable relative to the first pivot seat so that the resilient arms engage respectively another subset of the engaging grooves, thereby adjusting the position of the top cover relative to the frame unit.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: March 25, 2014
    Assignee: BP Children's Products HK Co., Limited
    Inventor: Da-Liang Zhang
  • Patent number: 8635721
    Abstract: A playard includes standing posts. The standing posts are substantially arranged in parallel, and a gap is formed between two adjacent standing posts. The playard further includes a pillar disposed between the two adjacent standing posts, and a width of the pillar is larger than the gap formed between the two adjacent standing posts. The playard further includes an enclosure connected to the pillar. Two ends of the enclosure are pulled along directions away from the two adjacent standing posts respectively so that the pillar is abutted on the two adjacent standing posts.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: January 28, 2014
    Assignee: BP Children's Products HK Co., Limited
    Inventor: Da Liang Zhang
  • Publication number: 20130300169
    Abstract: A child seat includes a seat shell, and an anchoring system assembled with the seat shell. The anchoring system includes a housing, a latch assembled in the housing, a first and a second strap respectively routed through the housing, and two anchor fasteners respectively secured with the first and second straps at a rear of the seat shell. The housing has a central axis, and a first and a second opening spaced apart from each other along the central axis. The latch is movable along the central axis relative to the housing, and has two clamping surfaces facing two inner surfaces of the housing. The latch is operable to clamp the first and second straps respectively between the two inner surfaces and the two clamping surfaces. The first and second straps extend outside the seat shell at the rear, and also at two opposite lateral sides of the seat shell.
    Type: Application
    Filed: January 18, 2013
    Publication date: November 14, 2013
    Applicant: BP CHILDREN'S PRODUCTS HK CO., LIMITED
    Inventors: Zu Jian LU, Da Liang ZHANG