Patents Assigned to Gong Fong Enterprise Co., Ltd.
  • Patent number: 11207772
    Abstract: An insulated screwdriver includes: an insulator, a first metal sleeve, a second metal sleeve, an insulated sleeve, and a handle. The insulator has a first connecting portion and a second connecting portion. The first metal sleeve is disposed on the first connecting portion of the insulator. The second metal sleeve is disposed on the second connecting portion of the insulator, and the second metal sleeve and the first metal sleeve are insulated. The insulated sleeve covers the insulator, the first metal sleeve, and the second metal sleeve. The handle has an accommodating hole for accommodating the insulated sleeve. According to the insulated screwdriver of the present invention, because the first metal sleeve and the second metal sleeve are insulated, there is no electric shock danger for a user, and safety in use of the insulated screwdriver of the present invention may be improved.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: December 28, 2021
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Cheng-Te Hu
  • Patent number: 11148277
    Abstract: A screwdriver bit accommodating seat retaining structure of a screwdriver includes a main body, a fixing unit, and an accommodating seat. The main body has an accommodating chamber therein and two ends defined as a fixing end and an open end. The fixing unit includes a shaft, a plug, an elastic member, and a fixing member. One end of the shaft has a plug hole. The plug is fixed in the plug hole. The elastic member is made of a metal material and has at least one elastic piece. The elastic member has a perforation. The fixing member is inserted through the perforation to fix the elastic member to the plug. The accommodating seat is fitted onto the fixing unit, and has at least one clamping groove, and is connected with a cap. An inner edge of the accommodating seat is annularly provided with an engaging portion.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: October 19, 2021
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Cheng-Te Hu
  • Patent number: 10821578
    Abstract: A folding tool set includes an accommodating seat, a fixing shaft, many tools, many spacers, and an elastic member. The accommodating seat defines an accommodating space. The fixing shaft is disposed on the accommodating seat and has a polygonal radial section. One end of each tool is formed with a connecting hole through which the fixing shaft passes. The tools are pivotally connected to the fixing shaft and movably accommodated in the accommodating space. The spacers are spaced apart from each other and disposed on the fixing shaft. The spacers each have a through hole. The through hole corresponds in shape to the radial section of the fixing shaft. The elastic member is disposed on the fixing shaft. The elastic member has elasticity in an axial direction of the fixing shaft. When one of the tools is pivoted, the fixing shaft won't be driven to link the other tools.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: November 3, 2020
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Cheng-Te Hu
  • Patent number: 10525571
    Abstract: A screwdriver and a ratchet mechanism thereof are disclosed. A ratchet mechanism includes: a main body base having blocking portions; a ratchet elastic sheet having abutment portions corresponding to the blocking portions; two blocking sheets retained on the blocking portions and abutted the abutment portions to be positioned between the blocking and abutment portions; a pinion having a gear portion between the blocking sheets to allow the gear portion and the blocking sheets to be adjusted between engagement/disengagement states; a positioning elastic sheet having an operating portion; a ratchet direction adjuster having contact members corresponding to the blocking sheets and an operated portion corresponding to the operating portion. The operating portion operates the operated portion, the contact members contact the blocking sheets and the blocking sheets being operated by the contact members to be in disengagement state with the gear portion to adjust the rotational direction of the gear portion.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: January 7, 2020
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Cheng-Tsan Hu
  • Patent number: 9698580
    Abstract: A screwdriver having a cable-stripping structure has a grip provided with a combining portion having a first cable-stripping groove, and has a pressing plate combined with the combining portion and having a second cable-stripping groove positionally corresponding to the first cable-stripping groove. The screwdriver further has two knives each respectively installed in a first slit of the first cable-stripping groove and a second slit of the second cable-stripping groove and each having a cable-stripping blade aligned with a corresponding first cable-stripping groove or second cable-stripping groove, so that the pressing plate is allowed to move in a travel-limited manner along a screw-driving shaft inserted in the grip. The combining portion further has a fixing hole, while the pressing plate further has a holding hole corresponding in position to the fixing hole. Thereby the cable-stripping structure facilitates stripping and bending electric wires of different diameters.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: July 4, 2017
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventors: Yu-Lun Chen, Che-I Hu
  • Patent number: 9174334
    Abstract: A handle for a screwdriver including a body having a first open end and a second open end and also provides an intermediate member which connects the one end to the other end. A space is defined in the body and located between the first and second open ends such that space communicates with the first and second open ends. Multiple first connection portions are formed in inside of the first open end and connected with a stop formed in inside of the space.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: November 3, 2015
    Assignee: GONG FONG ENTERPRISE CO., LTD.
    Inventor: Yu-Lum Chen
  • Publication number: 20150209956
    Abstract: A hand tool display hanger includes a hanger body and a fixing base. The hanger body contains a fixing portion. The fixing portion has a receiving space, a through hole, a first engaging portion, an access opening, a first stop block, and a first blocking portion, wherein the through hole and the access opening communicate with the receiving space. The fixing base is fixed in the receiving space and is provided with an insertion hole, a second engaging portion, a second blocking portion, and a second stop block, the latter three of which are respectively engaged with the first engaging portion, the first stop block, and the first blocking portion to prevent the fixing base from falling out of the fixing portion. The display hanger can be rapidly assembled, and a hand tool can be inserted in the insertion hole to achieve a visually pleasing, anti-theft display.
    Type: Application
    Filed: January 29, 2014
    Publication date: July 30, 2015
    Applicant: GONG FONG ENTERPRISE CO., LTD.
    Inventor: CHENG-TE HU
  • Publication number: 20150114862
    Abstract: A safety device for a tool display tag includes a first part having a first groove, and multiple first clamp members extend from the inside of the first groove. The first part has multiple positioning holes and multiple through holes through which bolts extend. A second part is fixed to the first part and has a second groove located corresponding to the first groove. Multiple second clamp members extend from the inside of the second groove. The second part has multiple positioning rods and multiple threaded holes. The positioning rods are inserted into the positioning holes and the bolts are threadedly connected to the threaded holes. A tag is connected to the first part. A tool is safely secured between the first and second parts.
    Type: Application
    Filed: October 28, 2013
    Publication date: April 30, 2015
    Applicant: GONG FONG ENTERPRISE CO., LTD.
    Inventor: Cheng-Te HU
  • Patent number: 8820197
    Abstract: A hand tool includes a body having a first space in which a first threaded portion and a non-circular positioning portion are located. A handle is threadedly connected to the body and has a pivotal member pivotably connected thereto. The pivotal member has a second threaded portion which is connected to the first threaded portion. A slot is defined in the second threaded portion and a push member is located in the slot. The push member has a non-circular positioning member which is in contact with the positioning portion. The handle further has a room to which an end cap is threadedly connected.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: September 2, 2014
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Ming-Chia Wu
  • Publication number: 20140144296
    Abstract: A handle of a screwdriver includes a body having a first open end and a second open end. A space is defined in the body and located between the first and second open ends. The space communicates with the first and second open ends. Multiple first connection portions are formed in inside of the first open end and connected with a stop formed in inside of the space. An intermediate member has multiple second connection portions on outside thereof, and the second connection portions are located corresponding to the first connection portions. The intermediate member has a first end contacting the stop, and a second end covers the first open end of the body. The intermediate member has third connection portions on inside thereof. A cap has an extension which has multiple fourth connection portions located corresponding to the third connection portions.
    Type: Application
    Filed: May 24, 2013
    Publication date: May 29, 2014
    Applicant: GONG FONG ENTERPRISE CO., LTD.
    Inventor: Yu-Lum CHEN
  • Publication number: 20130333530
    Abstract: A hand tool includes a body having a first space in which a first threaded portion and a non-circular positioning portion are located. A handle is threadedly connected to the body and has a pivotal member pivotably connected thereto. The pivotal member has a second threaded portion which is connected to the first threaded portion. A slot is defined in the second threaded portion and a push member is located in the slot. The push member has a non-circular positioning member which is in contact with the positioning portion. The handle further has a room to which an end cap is threadedly connected.
    Type: Application
    Filed: June 14, 2012
    Publication date: December 19, 2013
    Applicant: GONG FONG ENTERPRISE CO., LTD.
    Inventor: MING-CHIA WU
  • Publication number: 20130333526
    Abstract: A screw driver includes a body having a ratchet unit and a first transmission rod extends through the ratchet unit. The first transmission rod has a ratchet gear and a switch member is connected to the ratchet unit to control the operation status of the ratchet gear. The first transmission rod has a tube connected to a first end thereof and a non-circular connection portion is connected to a second end of the first transmission rod. A handle is connected to the body and has a toothed ring located therein. The toothed ring is engaged with a planet gear unit which is engaged with a sun gear mounted to a second transmission rod which has an accommodating portion. The accommodating portion is engaged with the connection portion. The individual first and second transmission rods do not generate resistance when the screw driver operates the objects at high speed.
    Type: Application
    Filed: June 14, 2012
    Publication date: December 19, 2013
    Applicant: GONG FONG ENTERPRISE CO., LTD.
    Inventor: YU-LUN CHEN
  • Publication number: 20120031239
    Abstract: A retractable screwdriver includes a base, a first tube fitted on the base, a first transmission rod, a second tube, a second transmission rod, a rod member and a rotating member. The first transmission rod has a blind hole, a first engaging portion at one end and a gear shaft at the other end, and is axially meshing with a ratchet gear and inner teeth of a cap of the rotating member as well. The second transmission rod includes a through hole, a second engaging portion at one end to engage with the first engaging portion, and a threaded portion at an opposing end for a tightening nut to be secured thereon. The tightening nut enables to adjust the length of the rod member. The gear shaft meshes with the ratchet positioning assembly, preventing the screwdriver from reversing to an opposing direction.
    Type: Application
    Filed: August 9, 2010
    Publication date: February 9, 2012
    Applicant: GONG FONG ENTERPRISE CO., LTD
    Inventors: Che-I HU, Cheng-Tsan HU
  • Publication number: 20100294087
    Abstract: A tool sleeve clamping structure includes a sleeve body and a clamp member. The sleeve body includes a socket at one end thereof and a blind hole therein. The socket has a chamber therein. The blind hole interconnects with the chamber. The chamber has a plurality of inner side walls, a pair of engaging recesses at two opposing inner side walls, and a plurality of positioning portions each disposed between every two of the inner side walls. The clamping member secured in the chamber of the sleeve body has at least two engaging sections, a through hole corresponding in position to the blind hole, and a plurality of protrusions. The two engaging sections engage with the pair of engaging recesses. The pair of engaging sections is provided with resilient plates for clamping a nut. Each of the protrusions is formed by the intersection of every two adjacent sides of the clamping member.
    Type: Application
    Filed: May 20, 2009
    Publication date: November 25, 2010
    Applicant: GONG FONG ENTERPRISE CO., LTD.
    Inventor: Cheng-tsan HU
  • Patent number: 7748296
    Abstract: A ratchet screwdriver with an accelerating structure is provided, in particular to one combined a ratchet seat and a solar gear system. The ratchet seat controls the operating direction, and the solar gear system increases the output rpm for a user to choose high or low revolution to facilitate tightness or looseness of a screw.
    Type: Grant
    Filed: July 24, 2008
    Date of Patent: July 6, 2010
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Cheng-Tsan Hu
  • Publication number: 20100018366
    Abstract: A ratchet screwdriver with an accelerating structure is provided, in particular to one combined a ratchet seat and a solar gear system. The ratchet seat controls the operating direction, and the solar gear system increases the output rpm for a user to choose high or low revolution to facilitate tightness or looseness of a screw.
    Type: Application
    Filed: July 24, 2008
    Publication date: January 28, 2010
    Applicant: GONG FONG ENTERPRISE CO., LTD.
    Inventor: CHENG-TSAN HU
  • Patent number: 7047846
    Abstract: A hand tool includes a handle having at its one end provided with a chamber containing a through hole to accommodate a locking unit and at another end disposed with pivoting sections to pivot a stem for the stem to be bent into a specific angle in relation with the handle; a holder being secured in position in the chamber of the handle; a push rod in the holder pushing against the locking unit for a locking bit to be restricted in one of internal teeth of a gear of the stem to hold the hand tool in position to facilitate its use.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: May 23, 2006
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Hung-Ming Hu
  • Patent number: 6640672
    Abstract: A screwdriver includes a handle, a ratchet socket, a rotary linkage and a cap. The handle has a channel inside to accommodate the rotary linkage with one end inserted with the ratchet socket and a screwdriver socket. The rotary linkage includes a linkage, a tube, a stop section, a spring and a pivoting rod. The linkage has one end pivoted to the stop section inserted in the spring and penetrates axially in the tube. One end of the tube protrudes a wall at the inner periphery and has a pair of gaps at the end. Another end of the linkage is pivoted to the pivoting rod and the cap. The cap is pulled to draw out the linkage with the stop section at the end of the linkage to compress the spring to hold against the wall of the tube, and the pivoting rod is bent for rotation.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: November 4, 2003
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Mei-Hua Cheng
  • Patent number: 6494121
    Abstract: An assembling screwdriver with hexagonal socket is composed of a handle, a socket and a set of bits, the handle has a hexagonal socket holder with a pair of inner rails along the inner wall. The socket is in hexagonal inner shape, and has an outer diameter slightly smaller than the inner diameter of the socket holder of the handle, and comprises a pair of protuberances extending from the outer wall corresponding to the rails of the socket, an aperture on the wall between the protuberances, a block secured in the socket with a recess adapted to receive a spring and a bearing therein. The bit set includes a pair of bits, each bit is in hexagonal shape and has an aperture on one side adapted to receive a spring and a bearing therein. The two bits are placed in each end of the socket, while the socket is inserted in the socket holder of the handle with the bearing urged by the spring against the wall.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: December 17, 2002
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Cheng-Te Hu
  • Patent number: D603683
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: November 10, 2009
    Assignee: Gong Fong Enterprise Co., Ltd.
    Inventor: Cheng-Tsan Hu