Patents Assigned to Hanwit Precision Industries Ltd.
  • Patent number: 11109505
    Abstract: A locating device includes a guiding member, a sliding member and a pulling assembly. The guiding member includes a guiding channel inwardly cut through a top thereof, and the sliding member has side plates which each has a locating part. The pulling assembly comprises a pulling body having a guiding element, a fastening element disposed on a side thereof opposite to the guiding element. When the pulling body is in an open state, the fastening element is not located on the locating part; when the pulling body performs a locking operation, the guiding element is slid in the guiding channel and the sliding member is simultaneously slid in another direction opposite to the guiding element; when the pulling body is in a locked state, the fastening element is located on the locating part. Therefore, operational difficulty can be reduced and assembly speed can be improved.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: August 31, 2021
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventors: Ming-De Wu, Ching-Kai Chang
  • Patent number: 11018452
    Abstract: A positioning fastener includes a base having a seat plate extended therefrom, a fixing portion disposed below the base for fastening to an electronic substrate, and an elastic positioning structure disposed above the base and including an urging plate, a pressing plate connected to the urging plate, a positioning space defined therein and a positioning member disposed at a bottom side thereof. The urging plate and the pressing plate are squeezed backwards and elastically deformed by a circuit board that is rotated downward so that the circuit board passes the urging plate and moves into the positioning space of the elastic positioning structure and a suspended board edge of the circuit board is secured in position by the positioning member. The pressing plate can be pressed by an external force to lift the urging plate, allowing the circuit board to be rotated in direction away from the positioning member.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: May 25, 2021
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventors: Ming-De Wu, Ching-Kai Chang
  • Patent number: 10823211
    Abstract: A floating fastener includes a socket fastened to a first board member, a locking device axially slidably mounted in the socket and adapted for locking the socket and the first board member to a second board member, and an insulative barrel including a flexible barrel body attached onto the socket, a cap for capping on the barrel body to shield the locking device in the socket and to protect the socket and the locking device against corrosion and a flexible connecting strip connected between the barrel body and the cap.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: November 3, 2020
    Assignee: Hanwit Precision Industries Ltd.
    Inventors: Ming-De Wu, Chih-Yuan Chen
  • Patent number: 10759039
    Abstract: A handle mounting structure includes a handle including a handle shaft with a sliding space defined in one side thereof and a mounting unit located at one end thereof, a locking mechanism including an insert plate slidably inserted into the sliding space and a torsion spring mounted in the sliding space and stopped between the handle and the insert plate to impart a pressure to the insert plate toward the outside of the sliding space, and a positioning device including a flat base pivotally coupled to the handle and a hook block located at a bottom side of the flat base. The handle can be fastened to a sliding box of a cabinet through locking mechanism and the positioning device, so that the handle is not easily separated from the sliding box, and the sliding box can be surely pulled out of or pushed into the cabinet through the handle.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: September 1, 2020
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventors: Ming-De Wu, Ching-Kai Chang
  • Patent number: 10645822
    Abstract: A locating device includes casing including position-limiting member defining therein receiving space and two opposing receiving slots and mounting structure on two opposite side walls thereof, fitting member having recess, through hole cut through recess, axle structure provided in recess and positioning structure for positioning in mounting structure of casing, and operating device set including lever having pivot connection head inserted through through hole into receiving space, pivot connection portion located on pivot connection head and pivotally connected to axle structure and sliding slot located on pivot connection head and sliding rod movably mounted in sliding slot and having end portion located on each of two opposite ends thereof and disposed in receiving slot. Operating device set is movable relative to fitting member between an open position where the positioning structure is unlocked from mounting structure, and a close position where the positioning structure is locked to mounting structure.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: May 5, 2020
    Assignee: Hanwit Precision Industries Ltd.
    Inventors: Ming-De Wu, Ching-Kai Chang
  • Patent number: 10590971
    Abstract: A offset fastener includes socket including socket hole and bottom positioning portion affixed to first panel member, retaining shaft including shaft body axially movably positioned in socket hole and transversely movable relative to socket between center position and offset position, spring chamber transversely defined in shaft body, spring member mounted in spring chamber and floating ball supported on spring member and forced by spring member into abutment against an inside wall of socket that defines socket hole, positioning member axially extended from shaft body for inserting through positioning hole of second panel member when retaining shaft is disposed in center position and for locking retaining shaft to positioning hole when retaining shaft is moved to offset position, and stopper member fastened to retaining shaft and operable to move stopper member between center position and offset position.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: March 17, 2020
    Assignee: Hanwit Precision Industries Ltd.
    Inventor: Ming-De Wu
  • Patent number: 10561034
    Abstract: A locating device includes a guiding member, a sliding assembly and a pulling assembly. The guiding member includes a guiding space, and the sliding assembly includes a shaft part. The pulling assembly includes a pulling member, and the pulling member includes a sliding member inserted into the guiding space. An axis coupling part is disposed between the sliding member and the pulling member and pivotally connected to the shaft part. When the pulling member of the pulling assembly is operated to open or close, the sliding member is longitudinally moved in the guiding space to make the sliding assembly simultaneously move laterally, so as to form an open state or a closed state. As a result, a complicated assembly operation using screw for locking can be omitted, and the effect of decreasing whole operational difficulty and improving whole assembling speed can be achieved.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: February 11, 2020
    Assignee: Hanwit Precision Industries Ltd.
    Inventor: Ming-De Wu
  • Patent number: 10487866
    Abstract: The present disclosure illustrates a fastening device. In the fastening device, a sleeve is formed with a through-hole which defines a rotation space, a position-limiting ring is formed on the sleeve and includes a first position-limiting fastening groove and two second position-limiting fastening grooves; a fastening member is formed on a bottom surface of a rod head of a rotary knob device dispose outside the sleeve; a long protrusion rod and two short protrusion rods are formed in the sliding inner hole of the assembly space and respectively aligned with the first position-limiting fastening groove and the two second position-limiting fastening grooves. During locking operation, the drive cap can be bi-directionally rotated; and during unlocking operation, the drive cap can only be unidirectionally rotate, thereby achieving the purpose of easily recognize the locked or unlocked state according to different hand feeling in operation.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: November 26, 2019
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventors: Ming-De Wu, Ching-Kai Chang
  • Patent number: 10302108
    Abstract: The present disclosure illustrates a fixing device including a fixing assembly, a first plate and a second plate. The fixing assembly includes a sleeve, a position-limiting device, an elastic element, and a fastener. A supporting surface of the second plate is slid along a guiding incline of a stop part of the fastener, so that a stop section and the stop part of the fastener can be respectively positioned in a first fastening recess and a second fastening recess of the second plate. Later, the user just needs to push the position-limiting device to separate the fixing assembly from the second plate. Therefore, effects of reliable positioning and easy detachment can be achieved.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: May 28, 2019
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ming-De Wu
  • Patent number: 10294971
    Abstract: The present disclosure illustrates a fixing device comprising a sleeve which has a through hole inside and has grooves recessed on an outer surface thereof, and is placed inside receiving space of an outer casting tube, and the receiving space being formed with longitudinal protrusion rib disposed on an inside wall thereof and slidable in the grooves, and a head part is disposed inside the receiving space and has a mounting; a resilient component is abutted between the head part and the sleeve; a fastener fixed on the head part and having a riveting part mounted in the mounting hole, and a rod extended from a bottom thereof and inserted through the through hole, and having longitudinal sections and arc surfaces and the rod having a stop part outwardly protruded on a bottom side thereof, and having a guiding incline formed at top thereof.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: May 21, 2019
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventors: Ming-De Wu, Chih-Yuan Chen
  • Patent number: 10132345
    Abstract: The present disclosure illustrates a fastening device including a sleeve, a rotary knob device and a drive cap. The sleeve is formed with a through-hole which defines a rotation space at a side thereof. A fastening part and a position-limiting ring are formed on an outer side of the sleeve, and the position-limiting ring includes multiple position-limiting fastening grooves on a periphery thereof. The rotary knob device includes a rotary rod movably inserted through the through-hole. The assembly space of the sleeve is formed with a sliding inner hole for covering the position-limiting ring of the sleeve, and the position-limiting ring is longitudinally movable in the sliding inner hole, and the sliding inner hole includes two long protrusion rods and two short protrusion rods formed on the sidewall thereof and separately fastened in the position-limiting fastening grooves. Therefore, the fastening device can be operated for locking or unlocking easily.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: November 20, 2018
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventors: Ming-De Wu, Ming-Chung Chiu
  • Patent number: 9970592
    Abstract: Detachable mounting device includes mounting member defining therein accommodation open chamber, mounting through hole, annular inside flange between accommodation open chamber and mounting through hole and annular positioning groove between annular inside flange and mounting through hole, and fastening member having head positioned in the annular positioning groove and fastening shank suspending in the mounting through hole and adapted for fastening to mating connection member of predetermined panel member to secure the mounting member to the predetermined panel member. The outer diameter of the fastening member is larger than the inner diameter of the annular inside flange and the inner diameter of the mounting through hole, so that the fastening member is prohibited from falling out of the annular positioning groove. The wide top and narrow bottom design of the mounting member facilitates user holding the base portion with the hand to lift and delivery the predetermined panel member conveniently.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: May 15, 2018
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventors: Ming-De Wu, Chih-Yuan Chen
  • Patent number: 9897136
    Abstract: A hinge of low profile design includes a bearing seat member made of a non-deformable metal and providing an axle hole and a mating connection part that is fastened to a first panel member, a pivot shaft including a disc-shaped head pivotally coupled to the axle hole, a stem extended from the disc-shaped head and suspending outside the axle hole and conical riveting portion located at the distal end of the stem and riveted to a through hole of a second panel member, and a washer mounted around the step and stopped between the bearing seat member and the second panel member for allowing relative rotation between the first panel member and the second panel member smoothly and stably.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: February 20, 2018
    Assignee: Hanwit Precision Industries Ltd.
    Inventors: Ming-De Wu, Chih-Yuan Chen
  • Patent number: 9746015
    Abstract: A floating fastener mounting structure includes a mounting socket having a locating groove extending around the periphery and defined between a relatively smaller annular step and a relatively larger stop flange thereof, a metal panel member having a mounting through hole attached to the mounting socket and stopped above the stop flange and stamped by a stamping press to provide a riveting portion and to force the riveting portion to engage into the locating groove and to wrap about the stop flange of the mounting socket, a spring-loaded locking member axially slidably mounted in the mounting socket for detachably locking the metal panel member to an external metal panel member, and a cap member capped on a mounting head of the locking member and affixed to the mounting head during the operation of the stamping press to stamp the metal panel member. Affixing the mounting socket to the metal panel member by riveting greatly enhances the shearing strength of the floating fastener mounting structure.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: August 29, 2017
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ying-Chih Tseng
  • Patent number: 9695852
    Abstract: A floating fastener mounting structure includes a mounting socket having an annular bottom stop flange and mounting portion extending around a bottom end of a center hole thereof, a locking member including a shank inserted through center hole, a mounting head located at the top end of shank and suspending above center hole and an expanded locking end tip located at the bottom end of shank and movable in and out of the bottom end of center hole, a spring member mounted around shank and stopped between mounting socket and locking member, a cap member fastened to mounting head and having an outer diameter not larger than outer diameter of annular bottom stop flange and defining an accommodation chamber for accommodating a part of the mounting socket and a part of the mounting head.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: July 4, 2017
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ying-Chih Tseng
  • Patent number: 9347471
    Abstract: A floating fastener mounting structure includes a metal panel member defining a convex wall portion and a mounting through hole at the convex wall portion, a mounting socket including an axially extended center hole, an annular step and a stop flange extended around the periphery at different elevations and an annular locating groove defined between the annular step and the stop flange. The mounting socket is riveted to the metal panel member to force the annular locating groove into engagement with the convex wall portion, enabling the convex wall portion to be tightly stopped between the annular step and the stop flange. The annular step defines a downwardly and outwardly sloping top surface for guiding the convex wall portion of the metal panel member into engagement with the annular locating groove of the mounting socket in the rivet operation.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: May 24, 2016
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ying-Chih Tseng
  • Patent number: 9206834
    Abstract: A floating fastener includes a mounting base member affixed to a first panel member and including a relatively smaller lower outer perimeter, a relatively larger upper outer perimeter, an outer stop flange extending around a top side of the upper outer perimeter, a bottom mounting neck and a cushion ring mounted in a locating groove around the lower outer perimeter, a rotary fastening member inserted through the mounting base member for locking a second panel member to the first panel member through a rotary motion, and a cap member affixed to a head of the rotary fastening member outside the mounting base member and having an inside bottom stop flange coupled to the mounting base member and axially slidable along the upper and lower outer perimeters and stoppable at the bottom side of the outer stop flange of the mounting base member.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: December 8, 2015
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ying-Chih Tseng
  • Publication number: 20150260216
    Abstract: A floating fastener includes a mounting base member affixed to a first panel member and including a relatively smaller lower outer perimeter, a relatively larger upper outer perimeter, an outer stop flange extending around a top side of the upper outer perimeter, a bottom mounting neck and a cushion ring mounted in a locating groove around the lower outer perimeter, a rotary fastening member inserted through the mounting base member for locking a second panel member to the first panel member through a rotary motion, and a cap member affixed to a head of the rotary fastening member outside the mounting base member and having an inside bottom stop flange coupled to the mounting base member and axially slidable along the upper and lower outer perimeters and stoppable at the bottom side of the outer stop flange of the mounting base member.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 17, 2015
    Applicant: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ying-Chih TSENG
  • Patent number: 9091293
    Abstract: A rotary fastener includes a mounting base member, a fastening device including a pin member suspending in the mounting base member and a head member fastened to the pin member and disposed outside the mounting base member, and an operating device including a bottom seat member fastened to the mounting base member, an operating cap member fastened to the head member and rotatable relative to the bottom seat member to move the fastening device between a locking position where the pin member is extended out of the bottom side of the mounting base member and an unlocking position where the pin member is received inside the mounting base member, and a guide track for guiding the operating cap member and the fastening device to move axially relative to the bottom seat member and the mounting base member upon rotation of the operating cap member by an external force.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: July 28, 2015
    Assignee: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ying-Chih Tseng
  • Publication number: 20150071730
    Abstract: A floating fastener includes a mounting base member affixed to a first panel member and including an upper locating flange and a lower locating flange disposed at different elevations around the periphery, a rotary fastening member supported on an elastic member in the mounting base member for locking a second panel member to the first panel member through a rotary motion, and a cap member affixed to the head of the rotary fastening member and axially slidably coupled to the mounting base member between the upper and lower locating flanges of the mounting base member and elastically deformably movable over the lower locating flange and stoppable at a bottom side of the lower locating flange when fastening the rotary fastening member to the second panel member to lock the first and second panel member together.
    Type: Application
    Filed: September 12, 2013
    Publication date: March 12, 2015
    Applicant: HANWIT PRECISION INDUSTRIES LTD.
    Inventor: Ying-Chih TSENG