Patents by Inventor Yick Fai Chan

Yick Fai Chan 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: 10786048
    Abstract: A cord lock has a housing with an interior cavity and an opening extending between the front and the back for receiving a cord, and an actuator having two legs that are configured to slide within the interior cavity of the housing. A spring is disposed between the housing and the actuator to bias the actuator in a raised position relative to the housing. There is a cam disposed in the interior cavity of the housing. The bottom of the cam is rotatably connected to the housing and the top is rotatably connected to the legs of the actuator. In a resting position, the spring presses the top of the cam against the housing such that when a cord is extended through the opening, the cam locks the cord in place between the cam and the housing. Depressing the actuator compresses the spring and rotates the cam.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: September 29, 2020
    Assignee: Duraflex Hong Kong Limited
    Inventors: Kevin Wellhausen Dee, Yick Fai Chan, Ying Kwan Wong
  • Patent number: 10731697
    Abstract: A swivel snaphook has a hook and a retainer. The retainer has a support portion and a strap mounting portion. The support portion has a base body connected to the strap mounting portion, a through hole passing through the base body, and a snap-in portion protruding from the surface of the base body and surrounding the through hole. The hook has a hook and connector portion and an engaging portion. The engaging portion has a connecting shaft connected to the hook and connector portion, and a snap-on portion. When the hook and the retainer are snap-fitted together, the snap-on portion surrounds the snap-in portion and fits with the snap-in portion in an inverted manner.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: August 4, 2020
    Assignee: Duraflex Hong Kong Limited
    Inventor: Yick Fai Chan
  • Patent number: 10709207
    Abstract: A attachment system is formed by a primary device and a secondary device connected to the primary device in a pivoting manner. The primary device has a main body, two lateral sides and a bar for attaching the primary device to another object. Each of the lateral sides has a protrusion extending laterally outward from the lateral sides. The secondary device has two lateral sides, each equipped with an aperture that corresponds to one of the protrusions on the primary device, so that fitting the protrusions into the apertures pivotally connects the primary device to the secondary device, with the lateral sides of the secondary device being disposed outside of the lateral sides of the primary device. The secondary device can be pivoted between a folded position where the secondary device lies against the primary device, and an open position where the secondary device is raised up.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 14, 2020
    Assignee: Duraflex Hong Kong Limited
    Inventors: Yick Fai Chan, Ying Kwan Wong
  • Publication number: 20200141442
    Abstract: A swivel connector has a female part and a male part that are connected to each other so as to swivel. The female part has a main body with an interior cavity and an open face, and a strap connector. The male part has a plug portion and a strap connector. A ring lock locks the male portion to the female portion and is formed by two side walls connected by two pivot bars, the side walls of the ring lock being rotatably connected to the female part. The male part is locked to the female part by inserting the plug portion into the interior cavity, and the ring lock is held by spring in a locked position where the open face is blocked by one of the pivot bars. The male part is released from the female part by rotating the ring lock against the force of the spring until the open face is not blocked by the pivot bar.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 7, 2020
    Applicant: Duraflex Hong Kong Limited
    Inventor: Yick Fai CHAN
  • Publication number: 20200141472
    Abstract: A swivel connector has a female part and a male part that are connected to each other so as to swivel. The female part has a main body with an interior cavity and an open face, and a strap connector. The male part has a plug portion and a strap connector. A ring lock locks the male portion to the female portion and is formed by two side walls connected by two pivot bars, the side walls of the ring lock being rotatably connected to the female part. The male part is locked to the female part by inserting the plug portion into the interior cavity, and rotating the ring lock into a locked position where the open face is blocked by one of the pivot bars. The male part is released from the female part by rotating the ring lock until the open face is not blocked by the pivot bar.
    Type: Application
    Filed: November 6, 2018
    Publication date: May 7, 2020
    Applicant: Duraflex Hong Kong Limited
    Inventor: Yick Fai CHAN
  • Publication number: 20190380452
    Abstract: A cord lock has a housing with an interior cavity and an opening extending between the front and the back for receiving a cord, and an actuator having two legs that are configured to slide within the interior cavity of the housing. A spring is disposed between the housing and the actuator to bias the actuator in a raised position relative to the housing. There is a cam disposed in the interior cavity of the housing. The bottom of the cam is rotatably connected to the housing and the top is rotatably connected to the legs of the actuator. In a resting position, the spring presses the top of the cam against the housing such that when a cord is extended through the opening, the cam locks the cord in place between the cam and the housing. Depressing the actuator compresses the spring and rotates the cam.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 19, 2019
    Applicant: Duraflex Hong Kong Limited
    Inventors: Kevin Wellhausen DEE, Yick Fai CHAN, Ying Kwan WONG
  • Publication number: 20190360554
    Abstract: A cord fastener has a cord fastener main body and a bottom plate provided with at least two linear sliding holes, and a first bulge formed on an inner wall of a sliding terminal of the sliding hole. The linear sliding holes are arranged such that distances from two end faces of the bottom plate respectively to the first bulge are different. At least two fixing feet are provided on the cord fastener main body and the fixing foot is provided with a second bulge configured to abut the first bulge after the fixing foot passes through a positioning hole in a piece of cloth and the corresponding sliding hole in the bottom plate in sequence.
    Type: Application
    Filed: May 7, 2019
    Publication date: November 28, 2019
    Applicant: Duraflex Hong Kong Limited
    Inventor: Yick Fai CHAN
  • Patent number: 10470529
    Abstract: An attachment assembly has a hook component and a bracket component to which the hook component is removably attached. The hook component has a base body, a hook element attached to the base body, an attachment device for attaching an item to the hook component, and a first magnet connected to the hook element. The bracket component has a base surface, a front surface, and a hook-supporting strut between the base surface and the front surface. The bracket component has a second magnet connected to the base surface. Inserting the hook element in a space between the base surface and the front surface causes the magnets to attract each other and force the hook element through the space to rest on the hook-supporting strut.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: November 12, 2019
    Assignee: Duraflex Hong Kong Limited
    Inventor: Yick Fai Chan
  • Publication number: 20190323548
    Abstract: A swivel snaphook has a hook and a retainer. The retainer comprises a support portion and a strap mounting portion. The support portion has a base body connected to the strap mounting portion, a through hole passing through the base body, and a snap-in portion protruding from the surface of the base body and surrounding the through hole. The hook has a hook and connector portion and an engaging portion. The engaging portion has a connecting shaft connected to the hook and connector portion, and a snap-on portion. When the hook and the retainer are snap-fitted together, the snap-on portion surrounds the snap-in portion and fits with the snap-in portion in an inverted manner.
    Type: Application
    Filed: December 11, 2017
    Publication date: October 24, 2019
    Applicant: Duraflex Hong Kong Limited
    Inventor: Yick Fai CHAN
  • Patent number: 10441035
    Abstract: A cord lock has a housing with an interior cavity and an opening extending between the front and the back for receiving a cord, and an actuator having two legs that are configured to slide within the interior cavity of the housing. A spring is disposed between the housing and the actuator to bias the actuator in a raised position relative to the housing. There is a cam disposed in the interior cavity of the housing. The bottom of the cam is rotatably connected to the housing and the top is rotatably connected to the legs of the actuator. In a resting position, the spring presses the top of the cam against the housing such that when a cord is extended through the opening, the cam locks the cord in place between the cam and the housing. Depressing the actuator compresses the spring and rotates the cam.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 15, 2019
    Assignee: Duraflex Hong Kong Limited
    Inventors: Kevin Wellhausen Dee, Yick Fai Chan, Ying Kwan Wong
  • Patent number: 10433619
    Abstract: A strap adjustment system has a base body having a bottom wall, two side walls and a strap retaining bar extending between the two side walls, the bottom wall having an aperture therethrough with screw threads extending around an inside surface, and a screw disc having a central protrusion and screw threads extending around the central protrusion. The central protrusion fits through the aperture in the base body by rotating the screw disc so that the threads in the screw disc mate with the threads in the aperture, such that a height of the protrusion above the bottom wall of the base body is adjustable by turning the screw disc. In situations where a high degree of friction is required, the protrusion can be positioned at a maximum height through the aperture, and in situations where a low degree of friction is desired, the protrusion can be positioned lower.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: October 8, 2019
    Assignee: Duraflex Hong Kong Limited
    Inventors: Ying Kwan Wong, Yick Fai Chan
  • Patent number: 10405612
    Abstract: An adjustment system has a housing, a cam lid and a ratchet strap. The housing has an elastic arm connected to each one of its side walls, a front opening and a rear opening. The cam lid is rotatably connected to the side walls of the housing, and has two elastic arms extending under the bottom surface, and a locking element disposed in an interior cavity of the cam lid. The cam lid locks the ratchet strap to the housing when the ratchet strap is fed through the housing and cam lid so that the locking element engages teeth on the ratchet strap. Pressing the elastic arms of the housing toward each other presses against the sides of the cam lid and causes the cam lid to rotate and release the locking element from the teeth of the ratchet strap.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: September 10, 2019
    Assignee: Duraflex Hong Kong Limited
    Inventor: Yick Fai Chan
  • Patent number: 10400471
    Abstract: A belt adjustment and fixation hook (1), comprising a body (10), a hook portion (11), a limiting convex portion (12) and a belt installation frame portion (13); the body (10) has a first main surface (101) and a second main surface (102) opposite thereto; the body (10) is provided with a first through hole (103); the limiting convex portion (12) is located in the first through hole (103) and extrudes beyond the first main surface (101) to limit a support rod (2); and the belt installation frame portion (13) is connected to the body (10) to further connect to a belt (3). The belt adjustment and fixation hook (1) fits the support rods (2) having different diameters; in addition, the belt adjustment and fixation hook (1) is convenient to detach and replace the belt (3), thus improving user experiences and reducing costs.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: September 3, 2019
    Assignee: Duraflex Hong Kong Limited
    Inventor: Yick Fai Chan
  • Publication number: 20190208868
    Abstract: A strap adjustment system has a base body having a bottom wall, two side walls and a strap retaining bar extending between the two side walls, the bottom wall having an aperture therethrough with screw threads extending around an inside surface, and a screw disc having a central protrusion and screw threads extending around the central protrusion. The central protrusion fits through the aperture in the base body by rotating the screw disc so that the threads in the screw disc mate with the threads in the aperture, such that a height of the protrusion above the bottom wall of the base body is adjustable by turning the screw disc. In situations where a high degree of friction is required, the protrusion can be positioned at a maximum height through the aperture, and in situations where a low degree of friction is desired, the protrusion can be positioned lower.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 11, 2019
    Applicant: Duraflex Hong Kong Limited
    Inventors: Ying Kwan WONG, Yick Fai CHAN
  • Publication number: 20190166956
    Abstract: A attachment system is formed by a primary device and a secondary device connected to the primary device in a pivoting manner. The primary device has a main body, two lateral sides and a bar for attaching the primary device to another object. Each of the lateral sides has a protrusion extending laterally outward from the lateral sides. The secondary device has two lateral sides, each equipped with an aperture that corresponds to one of the protrusions on the primary device, so that fitting the protrusions into the apertures pivotally connects the primary device to the secondary device, with the lateral sides of the secondary device being disposed outside of the lateral sides of the primary device. The secondary device can be pivoted between a folded position where the secondary device lies against the primary device, and an open position where the secondary device is raised up.
    Type: Application
    Filed: January 18, 2019
    Publication date: June 6, 2019
    Applicant: Duraflex Hong Kong Limited
    Inventors: Yick Fai CHAN, Ying Kwan WONG
  • Publication number: 20190069643
    Abstract: An attachment system is formed by a primary device and a secondary device connected to the primary device in a pivoting manner. The primary device has a main body, two lateral sides and a bar for attaching the primary device to another object. Each of the lateral sides has a protrusion extending laterally outward from the lateral sides. The secondary device has two lateral sides, each equipped with an aperture that corresponds to one of the protrusions on the primary device, so that fitting the protrusions into the apertures pivotally connects the primary device to the secondary device, with the lateral sides of the secondary device being disposed outside of the lateral sides of the primary device. The secondary device can be pivoted between a folded position where the secondary device lies against the primary device, and an open position where the secondary device is raised up.
    Type: Application
    Filed: September 5, 2017
    Publication date: March 7, 2019
    Applicant: Duraflex Hong Kong Limited
    Inventors: Yick Fai CHAN, Ying Kwan WONG
  • Patent number: 10219587
    Abstract: An attachment system is formed by a primary device and a secondary device connected to the primary device in a pivoting manner. The primary device has a main body, two lateral sides and a bar for attaching the primary device to another object. Each of the lateral sides has a protrusion extending laterally outward from the lateral sides. The secondary device has two lateral sides, each equipped with an aperture that corresponds to one of the protrusions on the primary device, so that fitting the protrusions into the apertures pivotally connects the primary device to the secondary device, with the lateral sides of the secondary device being disposed outside of the lateral sides of the primary device. The secondary device can be pivoted between a folded position where the secondary device lies against the primary device, and an open position where the secondary device is raised up.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: March 5, 2019
    Assignee: Duraflex Hong Kong Limited
    Inventors: Yick Fai Chan, Ying Kwan Wong
  • Publication number: 20180368533
    Abstract: An attachment assembly has a hook component and a bracket component to which the hook component is removably attached. The hook component has a base body, a hook element attached to the base body, an attachment device for attaching an item to the hook component, and a first magnet connected to the hook element. The bracket component has a base surface, a front surface, and a hook-supporting strut between the base surface and the front surface. The bracket component has a second magnet connected to the base surface. Inserting the hook element in a space between the base surface and the front surface causes the magnets to attract each other and force the hook element through the space to rest on the hook-supporting strut.
    Type: Application
    Filed: June 21, 2017
    Publication date: December 27, 2018
    Applicant: Duraflex Hong Kong Limited
    Inventor: Yick Fai CHAN
  • Patent number: 10130148
    Abstract: A snap button has a female portion formed from a cap and a socket that are connected together with a piece of fabric in between. The cap is formed from a base body having a circumferential flange with interruptions therein so that the flange can be bent outward during assembly. The socket is formed by a disc having a central aperture and a peripheral rim, as well as an annular insert disposed within the socket. The cap is connected to the socket by pressing the socket onto the cap until the flange bends around the annular insert to anchor the cap to the socket with the fabric trapped between. A male portion having a stud is connected to the female portion by snapping the stud into the socket such that the stud extends entirely through the socket and into the cap.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: November 20, 2018
    Assignee: Duraflex Hong Kong Limited
    Inventors: Wai Leung Au, Yick Fai Chan
  • Patent number: D877656
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: March 10, 2020
    Assignee: Duraflex Hong Kong Limited
    Inventor: Yick Fai Chan