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.

Abstract: A screwdriver includes a handle including a seat, a shank having a first end in universal joint with the seat and a second end engaged with a tool bit, and an elastic element for retaining the first end of the shank and the seat together such that the first end of the shank and the seat rotate together when the handle is turned. The first end of the shank is in the form of a ball. The seat includes a pinhole, the ball of the shank includes a pinhole, and a pin is extended through the pinhole of the seat and the pinhole of the shank. An inner periphery of the ball presses against an inner periphery of the seat.

Abstract: A screwdriver assembly includes a first screwdriver and a second screwdriver connected to each other. The two screwdrivers have different specifications to be used in different working conditions and are packaged and marketed together to reduce the packaging cost.

Abstract: A tool device includes a base and a cover handle members having a front portion rotatably secured together and having a rear portion openable to a fully open position for allowing the tool members or tool extensions to be easily engaged into and disengaged from the handle members. The cover handle member includes a notch formed in the front portion for receiving a bulge extended from the front portion of the base handle member. A latch may be used for selectively latching the rear portions of the base and the cover handle members together.

Abstract: A screwdriver comprises a handle, a shank, a chuck rod, a first blade, and a second blade. The chuck rod is provided with two chuck slots opposite in location to each other and different in specification from each other. The first blade and the second blade are provided with the phillips tips of various specifications, and the cabinet or keystone tips of various specifications. The first blade and the second blade are held interchangeably by the chuck rod. The two longitudinal ends of the chuck rod are interchangeably engageable with one end of the shank.

Abstract: A screwdriver with easily replaceable bits is disclosed. It mainly comprises a body, a sliding element, a controlling element, a handle, and a rotatable bit case. The body includes a storage portion and a straight tube portion. The sliding element is disposed in the straight tube portion and a hook extends from the sliding element. A pair of protrusions is laterally extending from a bottom end of the sliding element. The controlling element is disposed on the straight tube portion. The rotatable bit case has several longitudinal slots for inserting bits. Each bit has a circular recess. So, by simply rotating the bit case, the user can select a desired bit. Also, it can automatically push-up or pullback. Therefore, this invention increases the ease of use and utility of the tool significantly.

Abstract: A hand tool provides 11 double-headed tool bits for a multiple-in-1 screwdriver function and a 6-in-1 socket driver functions in an ergonomically designed handled having a removable handle cap. The handle cap selectively receiving each of the 11 double-head tool bits for a multiple-in-1 screwdriver function.

Abstract: A hand tool is used to drive a fastener about an axis, and includes a handle with an axially extending bore for receiving frictionally a fastener engaging member. The engaging member has an axially extending inner surrounding surface, and an inner peripheral wall which extends radially and inwardly to define a mounting hole communicating with the inner surrounding surface. A deformable member is inserted into the mounting hole, and has a protrusion extending inwardly of the inner surrounding surface when the engaging member is received in the handle. A bit, which includes two screwdriver tip ends and a shaft, is brought to be inserted into and is coupled to rotate with the engaging member axially such that the protrusion frictionally engages the shaft radially so as to hinder removal of the bit from the engaging member axially.

Abstract: A knockdown hand tool structure. The structure includes a grip, a screwdriver stem, a fitting post and a socket. A front end of an elongated stem of the grip is formed with a central hexagonal fitting hole with a certain depth. A stop sleeve is fitted on the front end of the elongated stem. A steel ball and a compression spring are received in the stop sleeve. The screwdriver stem is a hexagonal stem body. Two ends of the screwdriver stem are respectively equipped with different specifications or patterns of screwdriver heads. Certain portions of the body of the screwdriver stem are formed with annular engaging grooves with V-shaped cross-section and a certain depth at equal intervals. The fitting post is a short cylindrical body.

Abstract: A 12-in-1 precision hand tool has five double-ended specifically sized precision tool bits stored in separate handle compartments adjacent the handle proximate end and one double-ended tool bit operably disposed at the distal end of a selectively retractably extendible shank for impeded access precision drive use. A handle cap is removably attached to the handle and has a rare earth permanent metal magnet disposed therein and operably disposed with respect to an axial opening in the cap to slidably receive and magnetically hold one selected double-headed tool bit. The removed handle cap provides a mini 12-in-1 precision drive tool. The handle has alternate flat and arcuate surfaces of about equal surface area and distally disposed contiguous tapered flat surfaces for ergonomic precision tool use.

Abstract: A rotary tool (10) is provided having a tool holder (16) including a socket (22) adapted to receive a reversible bit assembly (18). The bit assembly (18) having a storage cavity (44, 46) extending in each end. Each storage cavity (44, 46) adapted to receive a bit driver (54, 56) having a driver configuration (58, 60) formed on each end. Each driver configuration (58, 60), as well as the storage cavity (44, 46) and the socket (22) adapted to function as a drive member.

Abstract: This invention relates to a multi-purpose pocket tool which may incorporate for instance one or two knife blades, a Philips screwdriver, a pair of pliers, scissors, a cap remover, a can opener, tweezers and the like and, according to this invention, a bit holder shaft and a bit cartridge for single- or double-ended bits suitable for use on electrical devices and especially computers. The tool according to this invention is small in size and weight, easy to handle, and extremely versatile.

Abstract: A multiple bit screwdriver having an elongated housing with a plurality of longitudinal channels, each channel having a longitudinal slot opening the channel to an outer surface of the housing. A plurality of screwdriver bits are slidably arranged one in each channel. A plurality of elongated sliding means are arranged one in each channel to reciprocally slide the bit between a retracted position and an extended position. The sliding means are pivotably attached to the bit and has a manipulation means protruding from the channel via the slot. Further, a bit clamping unit is securely attached to a forward end of the screwdriver. The bits may protrude through a central through hole in the clamping unit when in the extended position. The clamping unit has a plurality of locking elements arranged in cutouts, and a sleeve arranged to reciprocally slide over the clamping unit between a forward position and a rearward position biased by a spring towards the forward position.

Abstract: A self-contained multi-use tool for a range of screws, nuts and bolts sized, consisting of various screw bit and adapter including holder and a nut driver set, which fit together in a decreasing order and can be stored in an increasing order on the back or inside of the handle. Each socket head has a clearance hold to allow threaded bolts or rods of the associated nuts to extend through. The screw bits and the adaptor can be stored on the holder or inside the opposite end of the handle.

Abstract: A hand tool has a handle has an elongated central axis and opposed elongated sides and oppositely disposed ends, and tool bits which are pivotally removably stowed in the handle, which handle has a non-circular hole for non-rotatably operably receiving the tool bits, and the non-circular hole has a central axis, with the central axes angularly disposed.

Abstract: A modular torque-applying surgical tool includes a driver member having a proximal handle and a distal end, and a torque-applying insert removably and replaceably attachable to the distal end of the driver member. The torque-applying insert is designed to be deformable when a predetermined level of torque is achieved, or when the insert is subjected to a torque in excess of a predetermined magnitude such that the insert is effective to apply to a driven member a predetermined minimum torque.

Abstract: A rotary tool (10) is provided having a tool holder (16) including a socket (22) adapted to receive a reversible bit assembly (18). The bit assembly (18) having a storage cavity (44, 46) extending in each end. Each storage cavity (44, 46) adapted to receive a bit driver (54, 56) having a driver configuration (58, 60) formed on each end. Each driver configuration (58, 60), as well as the storage cavity (44, 46) and the socket (22) adapted to function as a drive member.

Abstract: A modular screwdriver includes an elongated hollow handle, a first sleeve, a second sleeve, and a connecting rod. The first and second sleeves are mounted removably on two ends of the handle. The connecting rod extends through the handle, and can be locked releasably at a first position, where one of the first and second sleeves functions as a wrench, and a second position, where the other one of the first and second sleeves functions as a wrench. Each of the first and second sleeves has a central bore, which is formed therethrough and which has two hexagonal-cross-sectioned end portions of different sizes. All of the end portions of the central bores in the first and second sleeves are different from each other in size. Because either of the ends of each of the first and second sleeves can be mounted removably on the handle, each of the first and second sleeves can be inverted. As such, the screwdriver has four wrench units of different sizes.

Abstract: An essentially complete screwdriver set or tool bit drive set is encompassed in a single hand tool with an ergonomic handle. Upwards of 26 different tool bit drives in combination with multiple hex nut drives are readily interchangeably used in the hand tool. The ergonomic handle is of partible molded clear plastic so that diverse color-coded tool bit drives are readily recognized and retrieved.

Abstract: A hand tool has an elongated handle with oppositely disposed ends and a first tool includes a plurality of tool bits and a sleeve for operably receiving the tool bits with the sleeve non-rotatably detachably attached to one end of the handle, and the sleeve pivotally connected so as to rotate the sleeve with a tool bit to first and second operable positions, with a second tool pivotally connected to the other handle end for alternate first or second tool use.

Abstract: A dimpler tool comprises a handle member having a side wall, a closed bottom, and an open top defining an interior space. The dimpler tool further includes a lid threadably coupled to the handle member so as to removably cover the open top. A first portion of a shaft is embedded in the closed bottom of the handle member and a second portion of the shaft projects from the bottom and is normal thereto. A dimpler attachment is removably coupled to the second portion of the shaft and includes a tip that tapers to a point. The tip may be inserted into a hole left in a wall as a result of removal of a fastener, the hole being smoothed over by a rotational pressure applied to the dimpler tool by a user. The dimpler attachment is interchangeable with attachments having variously sized tips or with auxiliary attachments having variously configured screwdriver tips.

Abstract: An electrical installer hand tool has multiple interchangeable rethread bits and drive bits in the one hand tool. The 10-in-1 hand tool optimally has 4 interchangeable rethread bits, 4 interchangeable drive bits and 2 nut drives. The 4 rethread bits optimally has size/number of threads, 6/32, 8/32, 10/32 and 10/24, and the 4 drive bits are correspondingly sized to drive screws in the rethreaded holes. The 10-in-1 hand tool permits an electrical installer to rethread putty-filled screw holes and then drive screws in the electrical box sheet metal construction with the one hand tool.

Abstract: The present invention is directed to a tool for use on a skateboard and easily carried in a pants pocket of a user. The tool has a body is in the general shape of a “T” having a crossbar bisected by a stem and provides for three sockets of differing sizes, one of each being mounted at each end of the crossbar and the free end of the stem. Provision is also made for carrying a combination Allen key and Phillips head screwdriver and is in the general form of a standard Allen wrench having a long arm and a short arm normal to the long arm. This provision constitutes a cylindrical cavity with an opening at the intersection of the crossbar and stem and extending into the stem for distance adequate to accommodate the long arm of the combination Allen key and Phillips head screwdriver, which preferably is the Phillips head portion.

Abstract: A screwdriver comprises a handle, a shank, and two tip rods. The handle is provided with a longitudinal hole and an inclined oval hole in communication with the longitudinal hole. The inclined oval hole is provided with a see-through window. The two tip rods are fastened with both ends of the shank. The shank is located in the longitudinal hole of the handle such that the tip fastened at the lower end of the shank is visible to the naked eye via the see-through window of the handle.

Abstract: A king pin cap tool kit comprises a pair of cap removal tools for removing MACK® truck king pin caps of different diameters and a pair of thread chasers for repairing internal threads in steering knuckle housing bores of corresponding diameters. Each cap removal tool comprises a cylindrical body having a cruciform protrusion extending from one end face and a polygon-shaped recess through the opposite end face to adapt the cap removal tool for driving connection to a conventional pneumatic impact gun. The cruciform protrusion is uniform in its height and includes a pair of intersecting legs that extend fully across the end face in diametrical fashion. A cap removal tool having three intersecting legs is also disclosed. Each thread chaser comprises a cylindrical body having opposite end faces, a threaded peripheral surface, and polygon-shaped axial through hole for receiving a breaker bar or ratchet with extension.

Abstract: A screwdriver having a handle and a tip detachably fastened to the handle. The handle has a control portion provided with a receiving hole in which the tip is releaseably retained by two retaining members in conjunction with a position confining block. A cover is fitted onto the end of the handle such that the tip extends through a through hole formed at a closed end of the cover. The position confining block extends partially outwardly through a through hole formed in a side wall of the cover.

Abstract: An essentially complete screwdriver set or tool bit drive set is encompassed in a single hand tool with an ergonomic handle. Upwards of 26 different tool bit drives in combination with multiple hex nut drives are readily interchangeably used in the hand tool. The ergonomic handle is of partible molded clear plastic so that diverse color-coded tool bit drives are readily recognized and retrieved.

Abstract: A screwdriver pen has a forward elongate housing containing four side-by-side screwdriver heads that can slide partially out of the housing selectively for use. A separately formed rear housing slidingly supports four respective manually operable actuators. When an actuator is slid forwards it bears against a respective push wire to move a head into a forward position for use. The housings are joined together using an apertured annular collar and a pin. The pin holds the housings together and prevents relative rotation between the housings.

Abstract: A hand tool having a plurality of tools attached thereto. The tool includes a sleeve with a plurality of bits. The sleeve is disconnectably attached to a handle by engagement with a polygonal socket connection drive which is pivotally attached to the handle. A second tool is pivotally attached to the handle opposite end.

Abstract: A screwdriver includes a handle, a shank, and a locating seat which is provided with a plurality of receiving holes for receiving a tip. The shank is provided at the free end thereof with an opening for fastening the tip. The handle is provided with a through hole which is in communication with one of the receiving holes of the locating seat and is extended to reach the bottom end of the handle. The handle is further provided with a longitudinally-oriented slot in communication with the through hole. An expandable magnetic rod is received in one of the receiving holes, the through hole and the slot such that the expandable magnetic rod is fastened by a screw, and that a magnetic tip of the expandable magnetic rod is exposed from the seat. The handle is further provided with a cover.

Abstract: A tool includes a handle having one or more orifices formed in one end for receiving tool members and having a peripheral groove communicating with the orifices for allowing the users to view and to obtain the required the tool member. The handle includes one or more chambers and one or more cavities communicating with each other for receiving tool members. A driving stem is secured to the handle for driving the tool members. A telescopic tube is further engaged in the handle and has a magnet extendible to attract the tool members. A door may enclose the chamber of the handle.

Abstract: A retractable driving tool includes a driving stem slidably received in a handle and includes a number of teeth. A pawl is slidably engaged in the handle and is biased to engage with the teeth of the driving stem and for securing the driving stem to the handle and for allowing the driving stem to be moved relative to the handle when the pawl is moved against a spring. A spring is disposed between the rear end of the handle and the driving stem for moving the driving stem forward and outward of the handle. A slide is engaged between the spring and the driving stem.

Abstract: A multi-tip tool includes a push button assembly, a cylinder assembly having a plurality of chambers for receiving working tips, and a drive shaft. The drive shaft is coupled to the cylinder assembly for longitudinal movement through a chamber and transverse movement relative to the cylinder. The drive shaft is movable transversely between an engaged position and a disengaged position and longitudinally between the engaged position and a replacement position. The cylinder assembly includes a central conduit, the plurality of chambers being arranged circumferentially around the central conduit, and a plurality of passages connecting the plurality of chambers with the central conduit. The drive shaft is movable through one of the plurality of passages between the engaged position and the replacement position. The multi-tip tool further includes a push button assembly coupled to the cylinder assembly.

Abstract: A hand operated tool includes a tubular casing having an end wall formed with a through hole offset from an axis thereof, and a circumferential wall that extends coaxially from the end wall to form an open end and that confines a receiving space. A mounting axle extends coaxially from the end wall into the receiving space. A cover member is mounted on the circumferential wall and is movable relative thereto between a first position, where the cover member covers the open end, and a second position, where the cover member uncovers the open end. A rod retention tube extends from the cover member outwardly of the receiving space, and is aligned with the through hole in the end wall and is in communication with the receiving space when the cover member is at the first position. A rotary bit retaining member is inserted removably into the receiving space when the cover member is at the second position.

Abstract: A combination nail set includes an outer cylindrical impact sleeve within which a dual tipped setting tool is slidably supported for reciprocation between detented operative positions to expose selectively a setting tip for recessing nail heads of varying sizes into a workpiece.

Abstract: A Hand tool includes a handle with oppositely disposed pivotally attached first and second tools, with each first and second tool pivoted from an inoperable portion adjacent the handle to an operable position disposed away from the handle, and drive bits, and a non-circular hole disposed adjacent one end of the handle operably receiving a selected one of the drive bits so that the hand tool is driver tool. The handle is formed with juxtaposed inner and outer plates with concentric holes for operably receiving one of the drive bits.

Abstract: A pocket stowable hand tool has a handle with elongated sides with one folding tool at one handle end which has a removable sleeved tool chuck and a bladed folding tool at the other end. The handle provides for fully enclosed storage of a plurality of interchangeable bits which tool bits are removably non-rotatably operably received in the tool chuck sleeve. The tool chuck with a tool bit is folded from an inoperable position between the handle sides to an operable position disposed away from the handle sides.

Abstract: A reversible ratchet screwdriver, which includes a top handle shell and a bottom handle shell fastened together, a ratchet mechanism mounted inside the handle shells, the ratchet mechanism including a substantially triangular flat block, a long tube and a short tube formed integral with top and bottom sides of the triangular flat block and longitudinally communicated with each other, three pawls respectively coupled between the triangular flat block and a toothed portion at the bottom handle shell, and three spring elements respectively connected between the triangular flat block and the pawls to force the pawls into engagement with the toothed portion at the bottom handle shell, and a double-head socket for mounting with either of two ends thereof in the long tube or short tube to hold a double-head screwdriver tip outside the handle shells for turning screws.

Abstract: A hand tool in the form of a magnetic screwdriver, having a handle provided with a cavity for storing a plurality of tool bits, and a removable cap, and the cap has a recess with means for securely holding and driving a tool bit placed in said recess so as to form an extra, small-independent, stubby like adjustment screwdriver as a separate specialized second screwdriver.

Abstract: Folding pocket-style knife and screwdriver having interchangeable bits in which a hinged sleeve folds integrally into the knife handle and unfolds to and locks in 90 and 180 degree angles with the handle to provide angled and straight screwdrivers. The sleeve is a retainer for interchangeable screwdriver bits, retained by ball, C-clip or magnetic retainers.

Abstract: A rear disc brake piston tool for use in combination with a drive ratchet to rotate a piston associated with a brake caliper is comprised of a cast metal cube with throughbores to receive the drive ratchet and projecting pins on each cube face to engage with piston cavities of various configuration.

Abstract: A screwdriver has a handle having a storage area for storing bits used with the screwdriver. The storage area consists of races formed in the handle that securely hold the extra bits so that they do not rattle and can be seen without removing them from the handle. The screwdriver also has an adjustable or multi-position shank so that the length of the shank can be increased or decreased as desired.

Abstract: The present invention relates to a portable electric drill having a rotatable magazine containing multiple tool bits from which a single bit may be selected for use. The magazine is in the form of an approximate 120-degree segment of a cylinder with a plurality of open grooves for holding the various bits. The drill includes a Jacobs-type chuck assembly with a bore into which the selected bit is inserted for use. The magazine may be rotated to position any one of the magazine grooves into axial alignment with the bore of the chuck, so that the user may index the magazine to position a selected bit for expulsion from a particular magazine groove into the chuck. The chuck may then be tightened around the selected bit and the electric motor actuated to drive the bit. A cable assembly within the drill housing is operable with an exterior button to be movable between a stored position and a forward position to push a selected bit from a groove on the magazine into the chuck assembly.

Abstract: A multi-purpose utility tool, having a handle, a shaft and a locking and release mechanism. The handle defines a centrally located opening. The shaft has a first end and a second end and is to be slidably positioned within said centrally located opening. The locking and release mechanism locks the handle upon the shaft in first position and a second position. The first position allows the first end to be exposed for use while the second end is secured within the handle. The second position allows the second end to be exposed for use while the first end is secured within the handle. A handle stop portion extends from the handle towards the shaft. A shaft stop member extends outwardly from the shaft. The handle stop portion allows the shaft stop member and the shaft to be slidably positioned between a pair of limits of movement. The limits of movement include the first and second locking positions.

Abstract: A tool includes a base having a stud for engaging with a tool bit and includes a handle having a bore for engaging with the stud of the base. A stem is secured to the handle for engaging with the tool bit. The handle has one or more engaging channels. The base has one or more catches for engaging with the engaging channels and for securing the base to the handle and for increasing the size of the tool. The base has a latch for engaging with the handle and for further securing the base to the handle. A shaft may couple the stud of the base to the stem.

Abstract: An improved two-ended reversible drill/driver tool for use with Power drills. The tool having a hollow cylindrical socket that at one end has a drive shank for insertion into a chuck of a powered drill, and, at the opposite end, has a polygonally shaped opening therein for receiving a correspondingly shaped, two-ended, reversible tool assembly. This tool assembly is sized to slide within the hollow socket, and has a combined drill bit and countersink at one end, and, at the other end, a polygonally shaped opening for accepting a screw driver bit having a shank with a Polygonal cross section.

Abstract: Folding pocket-style knife and screwdriver having interchangeable bits in which a hinged sleeve folds integrally into the knife handle and unfolds to and locks in 90 and 180 degree angles with the handle to provide angled and straight screwdrivers. The sleeve is a retainer for interchangeable screwdriver bits, retained by ball, C-clip or magnetic retainers.

Abstract: The magnetic chuck assembly includes a conventional chuck having structure for imparting a torque to a tool holder; a magnetic tool holder having mating structure for engaging the structure on the chuck; and the magnetic tool holder further having magnet structure for holding a tool to the magnetic tool holder and for holding the magnetic tool holder to the chuck.

Abstract: A combination screwdriver is composed of a handle and a variety of screwdriver sockets and screwdriver blades having different tips, such as a slotted tip, hexagonal tip, Phillips tip. The handle has a hexagonal shank engageable with the screwdriver sockets, screwdriver blades, and a top seat for keeping the screwdriver blades. The handle is provided with a side seat fastened therewith. The side seat is intended to keep the screwdriver blades and the screwdriver sockets. The side seat has a hook engageable with a worker's waist belt.

Abstract: A hand tool for torquing a fastener by means of at least one hexagonal cavity in an outer reversible coupling member, and a pair of inner, hexagonal shaped, reversible coupling members having differently sized hexagonal cavities than that of said at least one hexagonal cavity of said outer reversible coupling member. The inner, hexagonal shaped reversible coupling members being removably retained in the at least one hexagonal cavity of said outer coupling member, and a handle having cavity means of a size and shape for removably retaining the outer reversible coupling member, and for driving another differently sized hexagonal fastener; whereby the hand tool is capable of driving differently sized hexagonal fasteners depending upon at least the hexagonal cavities of the outer reversible coupling member and the inner, hexagonal shaped reversible coupling members.