GONG FONG ENTERPRISE CO., LTD.
|GONG FONG ENTERPRISE CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20140144296||Handle for Screwdriver - 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.||05-29-2014|
|20130333530||HAND TOOL WITH REPLACEMENT HANDLE - 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.||12-19-2013|
|20130333526||SPEED MECHANISM FOR SCREW DRIVER - 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.||12-19-2013|
|20120031239||RETRACTABLE SCREWDRIVER - 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.||02-09-2012|
|20100294087||TOOL SLEEVE CLAMPING STRUCTURE - 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.||11-25-2010|
|20100018366||RATCHET SCREWDRIVER WITH AN ACCELERATING STRUCTURE - 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.||01-28-2010|
Patent applications by GONG FONG ENTERPRISE CO., LTD.