Entries |
Document | Title | Date |
20080295653 | Hand tool with bit release device - A hand tool includes a socket which is connected to a head of the hand tool and the socket includes first and second recesses in two ends thereof and a passage is defined in communication between the first and second recesses. A push rod includes a head and a shank which extends through the first recess, the passage and is inserted in the second recess in which a bit is inserted. A spring is mounted to the shank and biased between the head and an inner end of the first recess. The screw bit can be quickly pushed out from the second recess of the socket by pushing the push rod toward the screw bit. | 12-04-2008 |
20090031867 | MULTI-FUNCTION SCREWDRIVER - A screwdriver has an elongate handle generally defining an axis and a substantially uniform elongate shank arranged along the axis. One end of the shank is embedded within the handle and defines a cylindrical surface and having another end provided with a driver tip arranged within a cylindrical envelope defined by the cylindrical surface and is configured for engaging and driving a fastener by rotating the fastener about an axis substantially coextensive with the handle axis. An auxiliary driver means is arranged within the cylindrical envelope for driving a fastener about an axis substantially normal to the handle axis. | 02-05-2009 |
20090078095 | SCREWDRIVER MADE BY NON-CONDUCTIVE MATERIAL - A screwdriver includes a handle and a shank has one end integrally connected to the handle, a function end is connected to the other end of the shank. The handle and the shank are made by Polyphenylene Sulfide (PPS), Polytetrafluoroethylene (PTFE) or Polyetheretherketones (PEEK), the function end is made by Polyoxymethylene (POM). The screwdriver is light and non-conductive. | 03-26-2009 |
20090095138 | INSULATING SCREWDRIVER HAVING WEAR IDENTIFICATION FUNCTION - An insulating screwdriver includes a handle, a drive shank having a first end mounted in the handle and a second end protruding outwardly from the handle, an insulating jacket mounted on the second end of the drive shank, and an identification insulating sleeve mounted between the second end of the drive shank and the insulating jacket. Thus, when the insulating jacket is worn out or broken due to friction or hit, the identification insulating sleeve is still located outside of the drive shank to provide a secondary insulating effect to the drive shank so as to protect the user when operating the drive shank. | 04-16-2009 |
20090145270 | Torque reducing and stabilizing screwdrivers and slotted threaded fasteners and related methods - Novel screwdrivers used in combination with novel threaded fasteners are disclosed, both of which comprise male and female stabilizing segments which contiguously match male and female torque-applying segments which contiguously match. | 06-11-2009 |
20090165604 | Engaging portion of a screwdriver - An engaging portion of a screwdriver formed for engagement with a work-piece such as a screw, is described. The engaging portion comprises an imaginary central axis, a tip, a front face, a rear face, and a profile shape when viewed from a front view thereof. The tip has two outer ends. The profile shape is defined by the tip and two profile sides. Each profile side extends from an outer end of the tip, for at least a short distance, at a predetermined relationship to the central axis. Each face comprises side outer engaging edges. Each outer engaging edge extends from an outer end of the tip, for at least a short distance, at a predetermined relationship to the central axis. And, when viewed from a front view thereof the predetermined relationship of each profile side to the imaginary central axis is different than the predetermined relationship of each outer engaging edge to the imaginary central axis. | 07-02-2009 |
20090165605 | Screwdriver with torque-enhancing sidewall edges - An engaging portion of a screwdriver formed for engagement with a work-piece such as a screw, is described. The engaging portion has an engaging tip, a front face, a rear face and opposing side walls. Each side wall has a front groove and a rear groove. Each groove has a wide region and a narrow region with the narrow region located closer to the tip than the wide region so as to create a torque-enhancing side wall edge. | 07-02-2009 |
20090173192 | ANTI-LOOSE AND ANTI-DETACHMENT INSULATED SCREWDRIVER - An anti-loose and anti-detachment insulated screwdriver including a main body made of insulation material, a shank body enclosed in the main body and a driving member having a top end as a driving end. A bottom end of the driving member is connected with a top end of the shank body. The main body has a handle section and a stem section. A top end of the stem section of the main body encloses a circumference of the driving member with the driving end of the driving member exposed to outer side of the main body. The main body is connected with the shank body by greater connection strength so that the shank body can bear greater twisting force. The shank body has such a configuration that the total weight of the insulated screwdriver is reduced. | 07-09-2009 |
20090183609 | Radial foldout tool - A radial foldout tool includes a body with opposing ends and one or more sets of tool drivers. A first set of tool drivers are positioned on/near a first end and a second set of tool drivers are positioned on/near a second end. The tool drivers are contained within channels of the body when in a closed position. The tool drivers are also contained in a plurality of planes. The tool drivers open by rotating/moving in a direction at least perpendicular to a neighboring tool driver. When they are in an open position, each of the tool drivers are in/near the center of the end of the body. By being positioned in/near the center of the end, the radial foldout tool is able to be gripped and turned in a fashion similar to a standard screwdriver. | 07-23-2009 |
20090211410 | BATTERY-OPERATED SCREWDRIVER AND CHARGER SHELL THEREFOR - A battery-operated screwdriver has a housing with a handle, a rechargeable battery, charge contacts for charging the battery on a charger shell having at least one detachably mounted bit holder for storing tool inserts of the battery-operated screwdriver in captive fashion, so that the battery-operated screwdriver is placeable on the charger shell and a charging mode is produced automatically, and a charger shell for a battery-operated screwdriver has at least one detachable mountable bit holder configured to receive a plurality of bits which in operation are insertable in communication with the battery-operated screwdriver. | 08-27-2009 |
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 |
20110000345 | SINGLE-BIT RETRACTABLE SCREWDRIVER - A single-bit screwdriver comprising: a housing; a shaft slideably mounted in the housing; the shaft having a locking portion, and the housing having at least two locking mechanism, wherein each locking mechanism engages the locking portion to prevent sliding of the shaft relative to the housing. | 01-06-2011 |
20110011219 | SCREWDRIVER - A screwdriver includes a locking member, a positioning member, a retaining member, and a rotatable member. The locking member defines a locking member hole therein. The positioning member is received in the locking member hole, and defines first and second positioning member holes. An angled surface is located between the first and second positioning member holes. The retaining member secures the positioning member to the locking member, and defines a retaining member hole to receive the positioning member. The rotatable member is received in the first positioning member hole, and slidable to abut the angled surface to slide the positioning member from a first position where the rotatable member is positioned in the first positioning member hole, to a second position where the rotatable member is positioned in the second positioning member hole so as to splay the second positioning member hole. | 01-20-2011 |
20110154959 | Hex Wrench Having Greater Strength - A hex wrench includes a handle ( | 06-30-2011 |
20110174120 | TURN-ASSISTED DRIVER - With a structure capable of idly rotating a main body which is lower than a handle even when fixing the handle in a palm of a hand, a screwdriver can be retained by pushing the handle and rotated at the same time. Therefore, a finger force for retaining the screwdriver is not necessary. The screwdriver can be rotated by one hand. Since a clip chuck for setting the screwdriver is formed in an impeller shape, fingers can be suspended for rotation. Since the rotation can be performed not by grasping but using muscles of the entire hand, fatigue of the muscles can be reduced. | 07-21-2011 |
20110197721 | TOOL BIT - A tool bit includes a hexagonal drive portion, a working end, and a shank interconnecting the drive portion and the working end. The shank includes an outer peripheral surface having a curvature in a plane including a central axis of the tool bit. The outer peripheral surface having the curvature includes a length in the direction of the central axis. A ratio of the length of the outer peripheral surface having the curvature to the length of the tool bit is between about 0.2:1 and about 0.7:1. | 08-18-2011 |
20110259161 | Screwdriver - A screwdriver comprises a shaft, and a handle core, a handle body and an outer layer formed on the shaft by injection molding. The multilayer structure of the screwdriver prevents the impact force from being transmitted to the user's hand and causing discomfort, and can relieve the discomfort caused by the impact force applied to the screwdriver while reducing the impact force loss during impact operation. | 10-27-2011 |
20110271800 | HEXAGONAL WRENCH - A hexagonal wrench has a head. The head has an end surface, six equal side surfaces and at least one groove. Each side surface has a left edge segment and a right edge segment adjacent to the left edge segment of an adjacent side surface. The at least one groove is formed in at least one of the right edge segments and the left edge segments and extends to the end surface. Therefore, the head can engage securely an inner surface of a socket to rotate the socket even when the socket is worn or rounded. | 11-10-2011 |
20120090435 | SCREW AND SCREWDRIVER FOR SCREWING AND UNSCREWING THE SCREW - The invention relates to hand tools and to threaded fasteners, and comprises a screw and corresponding screwdriver. The screw comprises a head and a threaded working end. The head slot for inserting the screwdriver is made in the form of a “dove tail.” The working section of the screwdriver for screwing and unscrewing the screw is made as a mirror image of the screw head slot, with the same angle of slope. The invention lengthens the life of screwdrivers and screws and their serviceability. | 04-19-2012 |
20120096996 | Fastener turning tool with a surface protective collar - A fastener turning tool has a handle with an extending shaft and a protective collar. A working end of the shaft is provided with a tip that is configured to engage a fastener. A longitudinally extending slot is formed in the shaft between the handle and the tip. The protective collar is slidably received on the extending shaft. A guide member fixed to said collar is slidably received in the longitudinally extending slot and constrains the collar for limited sliding on the shaft. A compression spring is held on the shaft between the collar and the handle. The spring is normally expanded and holds the collar down beyond the tool tip. When the collar is compressed, position, the tool tip is exposed for engagement with the fastener. | 04-26-2012 |
20120247284 | INTERLOCK DRIVING INSTRUMENT - An interlock driving instrument is configured to be releasably lockable to a fastener, such as a bone anchor. A bone anchor can be locked to the interlock driving instrument by inserting an expandable distal end of the shaft of the interlock driving instrument into the driving opening of the bone anchor and expanding the distal end within the driving opening by translating an expansion member into the expandable distal end. Alternatively, the bone anchor can be locked to the interlock driving instrument by inserting the distal end of the shaft of the interlock driving instrument into the driving opening of the bone anchor and translating a sliding member along a sloped surface defined in a channel extending into the shaft. | 10-04-2012 |
20120247285 | UNIVERSAL BROKEN LIGHT BULB EXTRACTOR - A utility grip for extracting broken light bulb structures from all size sockets which can be either gripped with the hand or mounted on standard extension poles and handles for distance extractions. The utility grip engages the broken light bulb structure at whatever remaining structure is left and with a counterclockwise turn the structure to be loosened from the structure. The utility grip can accommodate light bulb sizes of 1.5v to 300v. In the specification, other uses are loosening threaded components such as bottle and container caps, funneling liquids and granulates into small and narrow-necked containers, and holding various household items. | 10-04-2012 |
20120255402 | THREAD PROTECTOR MANIPULATION TOOL - A system is provided to facilitate the substitution of power tools for manual manipulation of thread protectors on threaded tubulars. Male-thread protectors are manipulated using a driven cup with a flexible inner liner to engage the protector, the cup having expansion and gripper features. Female-thread protectors are manipulated using a driven elastic body fittably engaged with the inner surface of the protector. The manipulators are fitted with tool adapters to fit power tools such as an impact wrench. | 10-11-2012 |
20120279364 | Screwdriver Blade with Inclined Drive Surfaces and Method of Manufacturing - A screwdriver blade has faces formed on front and back sides of a shank. Each face has a drive surface extending from each side edge inward toward a longitudinal axis. Each drive surface is inclined relative to a plane containing the axis and bisecting each of the side edges. A thickness of the blade increases from the shank distal end. Each of the drive surfaces appears curved when viewed in a distal end view. Each of the drive surfaces extends from the shank distal end to a face proximal end. A central portion between each of the drive surfaces may also appear curved when viewed in a distal end view, or it may be flat. The drive surfaces and the central portion may be formed at a single radius of curvature. The central portion may have a increasing width from the distal end or it may have a constant width. | 11-08-2012 |
20130019721 | TILTING SCREW BIT AND SCREW BIT HOLDER - The present invention provides a screw bit and holder system wherein the screw bit is capable of tilting or swiveling in order to work at angles off of perpendicular to a screw head. The base of the bit is rounded with sides that are flat to prevent rotating the bit while allowing a tilt. | 01-24-2013 |
20130025418 | SCREW HEAD AND TOOL FOR USE THEREWITH - A screw, tool and a system for driving a screw that includes a screw and a corresponding tool is provided. The screw includes a screw head including a slot in the upper surface of the screw head, a tapered recess disposed downwardly of the slot in the screw. The tool includes an upper engagement section which fits within the slot, and a lower engagement section shaped to extend into the tapered recess with a contact surface of an external surface of the lower engagement section in an interference fit with the tapered recess when the upper engagement section is disposed within the slot. The contact surface has a shape which substantially matches any of a plurality of angular inclinations the surface of the tapered recess may have at the interference fit. | 01-31-2013 |
20130042727 | SCREWDRIVER BIT - A screwdriver bit has a shank, a connecting portion, a necking portion defined between the shank and the connecting portion, a head disposed on a distal end of the connecting portion, multiple ribs separately arranged around the connecting portion and the necking portion and multiple shear grooves respectively defined between the connecting portion and the necking portion and each shear groove is defined between two adjacent ribs. When a torsion force is applied to the screwdriver bit, a shear force formed between the necking portion and the connecting portion is concentrated on points where the ribs and the shear grooves connect with each other in a dot-like form. Therefore, the screwdriver bit has strengthened shear strength and prolonged life for use. | 02-21-2013 |
20130042728 | SCREWDRIVER BIT - A screwdriver bit has a shank, a connecting portion axially protruding from the shank and a head axially protruding from the connecting portion. A stress dispersion recess is formed in an end surface of the shank. The stress dispersion recess disperses a residual stress present in the screwdriver bit. Therefore, the screwdriver has strengthened structure, good durability and prolonged life for use. | 02-21-2013 |
20130074662 | HEX WRENCH HAVING GREATER STRENGTH - A hex wrench includes a handle with a first twist portion having a substantially helical profile through an entire length thereof, a head with a second twist portion having a substantially helical profile through an entire length thereof, and a curved transition portion connected between the handle and the head. A first mounting portion which is a regular hexagonal prism and non-twisted extends integrally from the handle, and a second mounting portion which is a regular hexagonal prism and non-twisted extends integrally from the head. As such, the hex wrench has greater strength and stiffness without reducing its malleability so as to prevent the hex wrench from being cracked or broken due to an excessive applying force. | 03-28-2013 |
20130133487 | Tool Head Structure - A tool head structure includes a body and an assistant rotary member pivotally mounted on a drive end of the body in an eccentric manner. When the tool head is inserted in a worn out hole, and the user rotates the tool head, the assistant rotary member will be pivoted into an eccentric position with respect to the drive end of the body, so that the contacting area of the tool head for contacting the worn out hole is increased, which makes the tool head of the present invention more applicable to the worn out hole as compared to conventional ordinary tool head. | 05-30-2013 |
20130205954 | TORQUE TRANSMISSION DRIVER - A torque transmission driver is disclosed. The torque transmission driver has a main body having a first end portion and a second end portion, where the first end portion is adapted to receive and transmit torque from a torque generation source, and the second end portion is opposite the first end portion and has a key shape adapted to fit a recess in a fastener and has a protruding lead end having a taper between 10 and 30 and different in shape than the key shape with at least a portion of the protruding lead end substantially coextensive with the major dimension of the key shape. A torque transmission driver adapted to drive a small fasteners is also disclosed where the key shape is adapted to fit the recess of the small fastener. | 08-15-2013 |
20130213193 | TAPERED LOBULAR DRIVER AND FASTENER - A torque transmission driver has a first end portion adapted to receive and transmit torque from a torque generation source, and a second end portion including a shaped tapered bit having drive surfaces with an alternating series of five or six lobes and troughs about a rotational axis, having a taper angle between 15 and 45° from the rotational axis operable to engage corresponding drive surfaces in a plurality of at least two size fasteners, the tapered drive surfaces of the bit comprising a first tapered portion operable to engage drive surfaces of a first sized fastener and a second tapered portion operable to engage drive surfaces of a second sized fastener, the drive surfaces of the second sized fastener being larger than the drive surfaces of the first sized fastener. | 08-22-2013 |
20130298737 | TORQUE TRANSMISSION DRIVER - A torque transmission driver is disclosed. The torque transmission driver has a drive axis and a main body with a first end portion and a second end portion, where the first end portion is adapted to receive and transmit torque from a torque generating source to the driver, and the second end portion is opposite the first end portion and has a key shape adapted to fit a recess in a fastener and has a protruding lead end having a taper between 10° and 30° and different in shape than the key shape with at least a portion of the protruding lead end initiating at the major dimension of the key shape. A torque transmission driver adapted to drive a small fasteners is also disclosed where the key shape is adapted to fit the recess of the small fastener. | 11-14-2013 |
20140060265 | SHOCK ABSORBING TOOL BITS - A tool bit having a first end, a second end including an engagement portion for engaging a tool, a shank extending longitudinally between the tip and the engagement portion, and a spring, the spring being fixed to the shank in a manner such that the spring remains in a substantially static position while the tool bit is in use. | 03-06-2014 |
20140102264 | Screw Drive Design - A screwdriver drive design for a screwdriver features an engagement end that is complementary to a fastening element drive design for a fastening element to be screwed. The fastening element drive design includes at least two drive surfaces formed on the fastening element for transmission of a torque suitable for rotation with a tool in a first rotation direction and transition surfaces disposed between these drive surfaces. The transition surfaces form a guide surface for the tool when rotating the tool in the first rotation direction and upon engagement of the tool in the other rotation direction causes an axial outward displacement of the tool, wherein the transition surfaces are formed as outside surfaces, and wherein the outside of the fastening element, outside the transition surfaces and the drive surfaces, lies in a cylindrical jacket forming a recess. | 04-17-2014 |
20140116210 | TORQUE TRANSMISSION DRIVER - A torque transmission driver is disclosed having a shaft adapted to receive and transmit torque from a torque generating source to the driver and a nib having a five or six lobe key-shape adapted to fit in a recess in a fastener, the nib being equal to or less than 0.050″ in length and having lobes of substantially the same form along the entire second end portion. | 05-01-2014 |
20140305266 | ATTACHMENT ARRANGEMENT - An attachment arrangement ( | 10-16-2014 |
20140331826 | Methods and Apparatus for Asymmetrical Fastening System - Methods and apparatus for an asymmetrical fastening system according to various aspects of the present invention include a driver and a fastener that are configured to have corresponding conforming surfaces suitably adapted to provide substantially complete engagement between a torque surface of the driver and a recessed socket area of the fastener. The driver and fastener may each be configured to include a driving surface that is aligned with a longitudinal axis and a removal surface that intersects a radial extending from the longitudinal axis at an oblique angle. The driver and fastener may further include corresponding tapering surfaces that allow the torque surface of the driver to wedge against the recessed socket area of the fastener. | 11-13-2014 |
20150013508 | BIT ASSEMBLY - A bit assembly includes a bit for driving a screw, a shank for holding and driving the bit to rotate about a pivot axis wherein the bit is capable of moving relative to the shank in a predetermined range, and a limiting structure formed between the bit and the shank for preventing the bit to move beyond the predetermined range. The bit and the shank are made of different materials and form a sliding connection so that they have a certain buffer space in the axial direction and in the circumferential direction thereby reducing the effect of impacts on the service life of the bit assembly. | 01-15-2015 |
20150143964 | Drain Trim Ring Installation and Uninstallation Device - A device for both installing and uninstalling a drain trim ring. The device comprises a body, a flange, and a male drive. The length of the body corresponds to the interior diameter of a trim ring, thereby creating fitment therebetween and holding the device securely in place within the trim ring. After the device has been inserted into a trim ring, an individual can then apply rotational force to the device via a socket wrench, or other such device, applied to the male drive. The rotational force applied to the device is then applied to the trim ring due to the frictional engagement between the device and the trim ring, thereby allowing the trim ring to be screwed into or out of the corresponding drain shoe. | 05-28-2015 |
20160061246 | METHODS AND APPARATUS FOR MULTI-DIMENSIONAL ASYMMETRICAL FASTENING SYSTEM - Methods and apparatus for a multi-dimensional asymmetrical fastening system according to various aspects of the present technology include a driver and a fastener that are configured to have corresponding conforming surfaces suitably adapted to provide engagement between a plurality of driver fins and a recessed receiving area of the fastener. The driver and fastener may each be configured to include driving surfaces of varying widths. Variable widths allow for the customization of a given driver/fastener system. | 03-03-2016 |
20160136792 | Double Ended Bit - The double bit in accordance with the present invention comprises a left axial extremity, an elongated barrel or axial center section and a right axial extremity. Each axial extremity is dimensioned and configured for engaging and associated chuck whereby a user can quickly switch tools by reversing the end of the double bit that engages the associated chuck. For example the double bit may have first and second sockets at the ends thereof that are different sizes. | 05-19-2016 |
20160151899 | Anti-Slip Fastener Driver | 06-02-2016 |
20160158926 | INNER POLYGONAL WRENCH STRUCTURE - An inner polygonal wrench structure comprises: a wrench handle; and an operating portion, which is connected with an end of the wrench handle and has an operating bottom surface, a plurality of wrench lateral surfaces and a tilt hole, the every two adjacent wrench lateral surfaces is a wrench end angle, the tilt hole is inclined and has a first open and a second open that are corresponding to each other at two ends thereof, wherein the first open and the second open are at different levels, the first open is higher and the second open is lower. | 06-09-2016 |
20170234352 | APPARATUS, SYSTEM AND METHOD FOR A FASTENER WITH AN INTERIOR SHAFT | 08-17-2017 |