Abstract: Described herein is a novel lanyard system for removable pieces connected to and detached from a piece receiver of a power tool. The system includes one or more lanyard assemblies, each with a two ended strap and a retraction system fixed to the tool all in a storage region outside of the tool. In particular, one end of the strap is connected to the piece and the other strap end is connected to one end of the retraction system. The other end of the retraction system is connected to the outside of the tool. The strap is of sufficient length for the retraction system to retract a piece to the storage region outside the tool after disconnection from the piece receiver. It is contemplated that the retraction system includes at least one spring assembly to cause the lanyard system to remain under tension while the piece is mounted in a piece receiver, thereby preventing or at least reducing the strap from interfering with the task at hand, the piece, the piece receiver or tool itself.

Abstract: A peeler device removes a thin layer from the outer surface of the end of a plastic pipe or tapping tee. In the preferred embodiments, the device has a main body and a mandrel. The pipe to be peeled is pushed onto the mandrel when the mandrel is in an out position. As the main body is rotated, a blade advances onto the plastic pipe and peels a thin layer off the outer surface of the pipe as it is advanced. The main body is rotated until peeling is complete. There may be a sight window in the main body to permit visual confirmation of when peeling is complete. A spring loaded blade lever is actuated to raise the blade and the pipe is pulled out of the main body.

Abstract: A tool bit assembly includes a tool bit having a shaft with a first working region disposed at a first end of the shaft and a first reduced diameter portion proximate the working region and disposed between a first shoulder and a second shoulder. A floating sleeve has a rear portion with a pair of opposed window openings, a front portion supporting a magnet, and a pair of balls, with each ball disposed in one of the window openings. The floating sleeve is receivable over the tool bit with the magnet proximate the first working regions and the balls received in the first reduced diameter portion to allow the floating sleeve to move between a first position in which the balls abut the first shoulder and a second position in which the balls abut the second shoulder.

Abstract: A dental articulator apparatus and method of forming dental casts utilizing a dental articulator having pivotally connected upper and lower arms that each have a ball socket which receives a ball at the outer end of a respective model anchor, the opposed end of which is cast into a dental model. The model anchor ball is adjustably secured in the ball socket of the articulator arms by a set screw coupled with a rotatable magnetic extension rod that are installed, removed, advanced, and retracted as a unit and allow relative rotation between the set screw and the extension rod to facilitate fitting and positioning the ball in the socket when the set screw is loosened, and eliminate manually installing and positioning separate small shims and plungers that can be accidentally dropped and lost.

Abstract: A multipurpose tool is provided which may be useful for functions relating to survival. The multipurpose tool may include a variety of tools and features while maintaining a compact form. For example, the multipurpose tool may include a first handle and a second handle configured for relative movement between a closed position and an open position. The first handle may define a cavity that is accessible in response to the first handle and second handle being disposed in the open position relative to one another, and inaccessible in response to the first handle and second handle being disposed in the closed position relative to one another. A removable component may be disposed, at least partially, within the cavity of the first handle, where the removable component is accessible in response to the first handle and the second handle being disposed in the open position relative to one another.

Abstract: A combination tool of the locknut wrench type, which includes a leveling device and a screwdriver blade on the opposite end. The locknut head and screwdriver ends may be interchanged depending on the size locknut wrench needed and the type of screwdriver needed.

Abstract: The tool includes a body having an aperture disposed transversely there-through and tool bits disposed at either end. In use two tools are mated together by disposing the end of one tool through the aperture of another, thereby forming a tool having an operative portion and a torque handle.

Abstract: A utility tool, such a putty knife, includes an elongated handle for manual handling of the utility tool, a blade and a screw bit assembly. The screw bit assembly is rotatably mounted about the rear portion of the handle, has a screw bit, and is operable between a non-operating configuration where the screw bit is nested within the handle, and an operating configuration where the screw bit is drawn out of the handle and securely maintained in a fixed configuration so as to be positioned at a slanted angle with respect to the longitudinal axis of the handle. In addition to being able to carry out other various functions, in drywall applications and the like, the tool by virtue of its design and components enables a more ergonomic grip, and to have a greater lever effect for screwing fasteners with its screw bit assembly.

Abstract: A utility tool, such a putty knife, includes an elongated handle for manual handling of the utility tool, a blade and a screw bit assembly. The handle extends substantially along a longitudinal axis, and has front and rear portions. The blade has an anchoring portion anchored within the handle and an operating portion extending out from the front portion of the handle. The screw bit assembly is rotatably mounted about the rear portion of the handle, has a screw bit, and is operable between a non-operating configuration where the screw bit is nested within the handle, and an operating configuration where the screw bit is drawn out of the handle and securely maintained in a fixed configuration so as to be positioned at a slanted angle with respect to the longitudinal axis of the handle.

Abstract: The present invention allows for convenient drilling and screwing. Using the present driver, one can insert the stem into the drill, turn the swivel arm on the pivot pin so that the drill bit is facing outwards, slide the collar up and over the opposite side of the swivel arm and covering the drill bit until it is force fit in. Drill the hole, slide the collar back, turn the swivel arm so that now the screw bit is facing outwards and repeat the steps above in order to force bit the collar and thereby prohibiting the swivel arm to spin. The swivel arm is also equipped with a screw tight mechanism in order to hole the screw bit or drill firmly in the swivel arm. This also allows a person to switch different size drill bits and screw bits.

Abstract: Disclosed are compact and portable devices comprising a combination of tools and that are shaped to facilitate being conveniently carried by a user in an unobtrusive manner.

Abstract: An adapter to convert an electric drill motor being configured with a standard drill bit into a screw gun includes a metal enclosure which slides over a drill chuck to accommodate drill bit and chuck portions. The device also provides a mechanical coupling pin which engages a chuck key aperture to communicate the rotary motion of the drill motor to the device. Once installed upon the drill motor, the device enables connection of standard bit sockets, screwdriver adapters, or similar driving tools. In such a manner, the user can drill a hole, slide the device over the drill chuck, and drive a fastener using the device. This eliminates the need to remove the drill bit and insert a separate driving tool in a repetitive manner to install fasteners.

Abstract: A tool incorporating a multi-function tool tip on an elongated shaft is disclosed for adjusting and maintaining different irrigation-related products of one or more manufacturers, having a handle configured at one shaft-end, and formed at an opposite shaft-end a multi-function tool-tip with a screw adjustment member located between two outwardly-extended generally planar members. In one tool function mode leading-edge portions of the planar members are sized and shaped to align and rotate within a conical recess of a first irrigation-related product and facilitate engagement of the screw adjustment member with an upper end of an adjustment screw centered within the conical recess. In other functional modes, the planar members are sized and shaped for insertion through an adjustment port of a spring-loaded slidably-positionable member of a second irrigation-related product to pull the member outward to a desired degree and/or make water emitting adjustments interiorly within the product.

Abstract: A receiving device for tool bits includes a receiving body, at least one receiving space defined on one end of the receiving body, each receiving space having a plurality of first protrusions adequately located therein, each of the receiving space having a plurality of position spaces separated by the first protrusions, the position space having two pairs of fourth protrusions abutting against the periphery of the tool bit so that the tool bit is positioned at the position space and would not drop down from the position space.

Abstract: A multipurpose hand held tool includes a handle and one or more tools. The multipurpose tool may include an inletted recess defined in the handle, and an accessory tool retained within the inletted recess. The multipurpose tool also may include a rotatable tool and a locking mechanism for locking the rotatable tool in multiple positions. The multipurpose tool further may include a compact spanner wrench rotatably connected to the handle. The multipurpose tool may include a knife assembly detachably connected to the handle. The multipurpose tool also may include a ratcheting bit driver located within the handle. The multipurpose tool further may include a multi-layered plier head. The multipurpose may include a hybrid bearing system. The multipurpose tool also may include a flashlight detachably coupled to the handle. In this manner, the multipurpose tool may incorporate multiple tools and accessories for completing various tasks.

Abstract: A dual drill and anchoring device comprising a first shaft; a first bevel gear on the first shaft; a second shaft positioned 90 degrees from the first shaft; a second bevel gear slidably disposed on the second shaft wherein that the rotation of the first shaft can be translated to a rotation of the second shaft; a first ram fixedly attached to the second shaft, a first ram protrusion of the first ram and a ram engage nut for engaging the first ram protrusion, wherein when the first ram rotates in a first direction the ram engage nut moves down the first ram protrusion; and an anchor ram with a well for accommodating the protrusion and an anchor ram protrusion that protrudes away from the first ram.

Abstract: A utility tool, such a putty knife for example, including an elongated handle for manual handling of the utility tool, a blade and a screw bit assembly. The screw bit assembly is rotatably mounted about the rear portion of the handle, has a screw bit, and is operable between a non-operating configuration where the screw bit is nested within the handle, and an operating configuration where the screw bit is drawn out of the handle and securely maintained in a fixed configuration so as to be positioned at a slanted angle with respect to the longitudinal axis of the handle. In addition to being able to carry out other various functions, in drywall applications and the like, the tool by virtue of its design and components enables a more ergonomic grip, and to have a greater lever effect for screwing fasteners with its screw bit assembly.

Abstract: An apparatus includes a rotatable device, which may be a keyless chuck, a keyless chuck adapter, a collet chuck, a collet adapter, a set screw bit retaining chuck, or a set screw bit retaining adapter. The rotatable device is configured to be mounted to a power tool for rotational driving of the rotatable device. The rotatable device is configured to receive a first bit device detachably mounted in the rotatable device for powering rotational movement of the first bit device. A mounting section having at least one flat secant side is defined on the rotatable device, which is capable of being rotatably driven by the power tool. The mounting section includes at least one locking mechanism on it. The generally cylindrical mounting section is adapted for insertion in and engagement with a bit holding attachment.

Abstract: A power tool combination includes a power driving device having a chuck device attached to a barrel for engaging with a driven tool member, a control ferrule engaged onto the barrel, and a non-circular member, and a tool device includes a housing having a bore for receiving the driven tool member, and having a compartment for receiving the barrel, and having a non-circular engaging member for engaging with the non-circular member and for allowing the housing to be rotated by the power driving device. The tool device includes a tool element attached to the housing, and a securing device for detachably attaching the tool element to the housing.

Abstract: A multi-purpose tool may be comprised of a body having a gripping configuration on the outer surface of the body for long bolts and a lengthwise bore through the center of the body. The multi-purpose tool has a socket located at a first end of the body and a crown located at the second end of the body to receive various fasteners, such as flange and wing nuts. A multi-purpose tool may also be comprised of a body having a gripping configuration on the outer surface of the body and a lengthwise bore through the center of the body for a sleeve. The multi-purpose tool has a socket located in the sleeve at a first end of the sleeve and a crown located at the second end of the body to receive various fasteners, such as flange and wing nuts. The sleeve has a lengthwise bore through the center of the sleeve for long bolts or to accept a tool shaft. The tool shaft may accept various tool bits, and the tool shaft may be inserted into and engaged with the sleeve bore along its length.

Abstract: A bit structure for powered tools includes a shank action end at one end of a bit and a tool gripping section at another end. The shank action end has a conical directing portion formed by extending rearwards from a front edge of the shank action end. The directing portion is extended rearwards to form an expansion bore cutting section between the shank action end and the tool gripping section. The expansion bore cutting section has at one axial cutting edge formed at a length equal to or greater than the maximum diameter of the directing portion. The bit structure thus formed can simultaneously perform multiple functions of drilling holes, expanding holes and fastening screws faster with less time and effort.

Abstract: A tool incorporating a multi-function tool tip on an elongated shaft is disclosed for adjusting and maintaining different irrigation-related products of one or more manufacturers, having a handle configured at one shaft-end, and formed at an opposite shaft-end a multi-function tool-tip with a screw adjustment member located between two outwardly-extended generally planar members. In one tool function mode leading-edge portions of the planar members are sized and shaped to align and rotate within a conical recess of a first irrigation-related product and facilitate engagement of the screw adjustment member with an upper end of an adjustment screw centered within the conical recess. In other functional modes, the planar members are sized and shaped for insertion through an adjustment port of a spring-loaded slidably-positionable member of a second irrigation-related product to pull the member outward to a desired degree and/or make water emitting adjustments interiorly within the product.

Abstract: A multipurpose tool is provided which may be useful for functions relating to firearms and explosives. The multipurpose tool may include a variety of tools and features while maintaining a compact form. For example, the multipurpose tool may include a blade positioned in a pocket defined between a handle and a body member which define a hook configuration. Elongate members may be rotatably connected to the multipurpose tool and may include a base member with a cam surface and one or more detents which cooperate with a spring follower to hold the elongate member in either or both of an operational position or a storage position. A receiving aperture may be received in a jaw of a pair of pliers, and configured to receive an accessory member. Further, a sleeve may store a bit on the side of a handle and may be retained in the sleeve by a displaceable button.

Abstract: A single tool functioning as a screwdriver, a socket wrench and a brush. A shaft serves as an element of a screwdriver, the shaft of a socket wrench and a handle and support for a brush; In one embodiment, a tube with sockets at both ends is attached at its center to one end of a shaft that is also slidably disposed within an axial channel through a brush, and the other end of the shaft is shaped as a screwdriver blade.

Abstract: A portable tool kit comprising a self-releasing clasp such that the clasp is released as a main body is rotated about a handle axle from a closed position to an open position with reference to a handle assembly. The main body and handle assembly cooperate to wholly enclose a set of tools when in the closed position. When in an open position, the tools of the main body are exposed to selection and rotation about a rivet of the main body cooperating with a biasing device of a biasing rivet of the main body to hold the tool in place. When fully extended, the main body and handle assembly permit the selection of a plurality of tools such as Phillips head and flat head screwdrivers of different sizes for extension from within the main body for use. Moreover, lamps may be provided on either end of the handle assembly for illuminating a work area.

Abstract: A single tool functioning as a screwdriver, a socket wrench and a brush. A shaft serves as an element of a screwdriver, the shaft of a socket wrench and a handle and support for a brush; In one embodiment, a tube with sockets at both ends is attached at its center to one end of a shaft that is also slidably disposed within an axial channel through a brush, and the other end of the shaft is shaped as a screwdriver blade.

Abstract: A tool handle includes a handle body having a first end, a second end, an exterior surface and a bore configured to receive a shaft. A wire stripper is integrated into the exterior surface of the handle and configured to cut and remove the insulating layer of a conductive wire. The wire stripper includes a first sharp edge and a second sharp edge intersecting the first sharp edge to form a v-shaped notch.

Abstract: A multi-function tool apparatus and system formed from a handle and a utility blade having a structure that facilitates completion of a plurality of functions, thus, reducing the number of ancillary tools required. The handle may include a butt end with a screwdriver in releasable engagement with the handle. The screwdriver can be removed to expose a shaft and several screwdriver bits. The butt end includes a bolt that can be removed to attach and extension pole to allow the apparatus to reach remote areas. The structure of the utility blade allows functions including but not limited to: scraping; putty spreading; caulk stripping; can opening, can closing; roller wiping; cutting; torquing hex nuts on spray guns; nail pulling, nail driving and the like. In other embodiments, other heads may be substituted for the utility blade.

Abstract: A tool head structure is used to screw a regular screw or a damaged screw and comprises two cutting portions located at the center of the front portion thereof. Between the two cutting portions is formed a ridge line, and behind the two cutting portions are formed two concave flank portions, and the respective flank portions are correspondingly linked up with scraping grooves. By such arrangements, the tool head structure can solve the problems of easy slipping and being unable to remove the damaged screw.

Abstract: A portable tool kit comprising a self-releasing clasp such that the clasp is released as a main body is rotated about a handle axle from a closed position to an open position with reference to a handle assembly. The main body and handle assembly cooperate to wholly enclose a set of tools when in the closed position. When in an open position, the tools of the main body are exposed to selection and rotation about a rivet of the main body cooperating with a biasing device of a biasing rivet of the main body to hold the tool in place. When fully extended, the main body and handle assembly permit the selection of a plurality of tools such as Phillips head and flat head screwdrivers of different sizes for extension from within the main body for use. Moreover, lamps may be provided on either end of the handle assembly for illuminating a work area.

Abstract: A multi purpose tool includes a pivotally joined pair of lever arms. The first lever arm includes both a first jaw portion having an elongate aperture and a first handle portion. The second lever arm includes both a second jaw portion having a pivot member and a second handle portion. One of the first and second handle portions comprise a detachable tool that attaches to the multi purpose tool by connecting with an elongate joining portion. The elongate joining portion fits inside a first end of the detachable tool. A second end of the detachable tool includes a bit retainer.

Abstract: A putty knife with function of detaching and/or tightening screwed members is disclosed. The putty knife comprises a handle and a blade disposed in one end of the handle, wherein at least one fitting part is disposed at the handle for adapting a wrench or a wrench socket to detach or tighten screwed members such as screws, bolts, nuts or the like.

Abstract: A package opener (10) includes first and second opposed elongate members joined together for scissor action about a pivot joint (16). The first member (12) includes a first handle grip (18) at a rear end and a first cutting element (20) having a first blade (26) at a front end. The second member (13) includes a second handle grip (19) at a rear end and a second cutting element (21) having a second blade (27) at a front end thereof. The cutting elements include a leg portion (40,41) positioned between an arm segment (30,31) on which the pivot joint is located and the blade. Each cutting element also has a gap (G) in the blade portion. The leg portions and the gap enable the cutting elements, when opened, to fit over a package lip of a blister-type package so that the package opener can cut around the interior perimeter of the package lip to open the package. The multi-function package opener may also have a miniature utility knife blade (50) and at least one screwdriver (60).

Abstract: A tool and an associated bit driver are provided. The tool includes a handle and a bit driver carried by the handle. The bit driver can include a body defining a cavity for receiving a bit and a pivotable lock configured to move between a locked position in which the lock engages the bit and an unlocked position in which the lock is spaced and thereby disengaged from the bit. The pivotable lock can include a pivot pin, an engagement member for engaging the bit and an actuation member with the engagement and actuation members extending along the body in opposite directions from the pivot pin.

Abstract: The present invention resides in a multi-function tool which combines a staple remover with a letter opener and a screwdriver. The letter opener is formed integrally with the elongated body of the staple remover. The screwdriver has a removable shaft including a slotted drive end and a crosshead drive end on a hex-shaft which is insertable into a mated hex cavity on the body of the staple remover.

Abstract: A screwdriver includes a handle which defines a longitudinal axis and a shank mounted to the handle. The shank extends axially along said longitudinal axis and defines an engagement end opposite said handle. An impact element is mounted to the handle. The impact element defines a hitting surface wherein the hitting surface extends at least ½? from the handle.

Abstract: A conduit reamer for a cutting tool includes a generally cylindrical body having a longitudinal axis and a blade coupled to the generally cylindrical body. The blade includes a first blade portion defining a first height of the conduit reamer with respect to the longitudinal axis and a second blade portion defining a second height of the conduit reamer with respect to the longitudinal axis, wherein the first height is different than the second height. The conduit reamer further includes a shank end having a shank configured to be received and driven by the cutting tool, a bit end opposite the shank end and having a cavity configured to receive a tool bit, and a locking mechanism positioned proximate the bit end and configured to secure the tool bit within the cavity.

Abstract: A folding multipurpose hand tool including a pivoted latch that engages side walls of a handle and a base of a folding tool member to hold the folding tool member in a selected position. A separate safety interlock latch keeps a folding blade stowed in a handle when another tool is moved from a first position with respect to the handle. A tool bit holder securely holds and drives reduced thickness tool bits that can also be engaged in and driven by conventional sockets having a regular hexagonal shape.

Abstract: A package opener (10) includes first and second opposed elongate members joined together for scissor action about a pivot joint (16). The first member (12) includes a first handle grip (18) at a rear end and a first cutting element (20) having a first blade (26) at a front end. The second member (13) includes a second handle grip (19) at a rear end and a second cutting element (21) having a second blade (27) at a front end thereof. The cutting elements include a leg portion (40,41) positioned between an arm segment (30,31) on which the pivot joint is located and the blade. Each cutting element also has a gap (G) in the blade portion. The leg portions and the gap enable the cutting elements, when opened, to fit over a package lip of a blister-type package so that the package opener can cut around the interior perimeter of the package lip to open the package. The multi-function package opener may also have a miniature utility knife blade (50) and at least one screwdriver (60).

Abstract: The invention include a guide groove of a long hole shape make the part excluding the root part of any one driver bit which was formed in top plate of the cap attached several pieces of the cap engaging rotatably and removably project to the method of outside and lead the driver bit to the support crevice. The base material of the outline shape of the supporter of the driver bit mostly and it was really formed so that it might project to the inner side in the inside wall of the circumference wall by the side of the central part of the guide groove of the top plate of the cap. The locking peace formed in the inner wall of the open end of the cap so that it can stop the rotation part which can prevent that plurality driver bits enter to the guide groove of this cap. And the invention has a few parts, and can set it the state where the driver bit chosen by easy operation can be used, and the storage state easily.

Abstract: A handy tool pen is mainly constituted, for example, to write a brief summary and to implement a repair of hardware equipment. A hollow shaft 20 has a working end at a proximal end, where a hole axially formed through a center. A handwriting instrument of the refills is thereby stretched out from the working end, or retracted in the working end. When the handwriting instrument stretched out from the hole can write well, while the handwriting instrument retracted in the working end, which can implement a repair for hardware equipment. As well known, a spring fit around a circular cylindrical surface of the refills can urge the refills descend downward to stretch out the handwriting instrument to write, and also can urge the refills elevate upward to retract in the working end, which use for repairing office equipment or even hardware.

Abstract: A screwdriver helper includes a handle, a guide, and a bit. The handle defines a through hole therein. The guide is affixed to the handle. The guide comprises a top surface, a bottom surface, and a through guide hole defined between the top surface and the bottom surface. The top surface is faced to the handle. The guide hole is corresponding to the through hole of the handle. An axis of the guide hole is perpendicular to the bottom surface. The bit is positioned in the guide hole. The bit comprises a tip and a head. The tip is in a shape of a screw head. The head defines slots in a top end thereof. The bit is movable along the axis of the through guide hole. The screwdriver helper helps screwdriver to lock screws firmly.

Abstract: A tool for opening and closing a boot buckle that has a latching lever including a base portion and a longitudinally extending first working head with an opening sized to engage the latching lever. A tongue portion projects from the base portion into the opening, and this opening may be formed as an annulus. Teeth may be provided on the internal sidewall of the opening. A second working head may be provided with a socket portion thereon to mount a tool piece. A lidded compartment may be formed in the base portion. A cord may mount to the base portion.

Abstract: A screwdriver for bone screws, especially for compression screws and locking screws, has a handle and shaft extending out centrally from the handle. The shaft has a screw-driving tool on its free end. The shaft, includes a flexible shaft portion, wherein the shaft has two rigid, solid portions on both sides of the flexible portion. The flexible shaft portion has a flexible element for the transmission of a torque, and at least the flexible shaft portion is surrounded by an elastic protection hose or a rubber or plastic elastomeric tubular cover.

Abstract: A hammer head ratchet device that includes a handle with a hammer head at one end, a ratchet driving mechanism assembly located at the bottom end of the handle for using a selected tool bit to perform a desired tool bit function, and slots or compartments to store tool bits for use with the device. The tool bits can be stored along the handle in one embodiment or pivotally attached near the bottom of the handle so as to rotate into a generally central location below the ratchet driver for use.

Abstract: A tool includes a pair of spaced apart substantially parallel arms carrying a mounting member to which are detachably connected axially oriented driver and drill elements. The mounting member is moveable along the arms reciprocally between a first position where it is manually rotated to select the axial orientation of the driver and drill elements and a second locked position to hold the driver and drill elements in a selected axial orientation until the mounting member is return to the first position. The locking function is provided by a spring element actuated upon the mounting member being moved from the first position to the second position to apply pressure against the mounting member while in the second position.

Abstract: A multipurpose skateboard tool comprising two separable substantially flat elongated members and a separable chain. The first substantially flat elongated member comprises a socket within one end, a wrench within the opposite end, and a keyway and at least one through hole within the middle portion. The second substantially flat elongated member comprises a wrench within one end, a screwdriver bit on the opposite end, and a rivet and at least one through hole within the middle portion. The two substantially flat elongated members may interlock together via the keyway and rivet mechanism for compact and flat storage. When interlocked, the chain may be inserted through adjacent through holes to prevent separation of the two substantially flat elongated members.

Abstract: A utility tool, such a putty knife, includes an elongated handle for manual handling of the utility tool, a blade and a screw bit mechanism. The handle extends substantially along a longitudinal axis, and has front and rear portions. The blade has an anchoring portion anchored within the handle and an operating portion extending out from the front portion of the handle. The screw bit mechanism is rotatably mounted about the rear portion of the handle, has a screw bit, and is operable between a non-operating configuration where the screw bit is nested within the handle, and an operating configuration where the screw bit is drawn out of the handle and securely maintained in a fixed configuration so as to be positioned at a slanted angle with respect to the longitudinal axis of the handle.

Abstract: An apparatus includes a rotatable device, which may be a keyless chuck, a keyless chuck adapter, a collet chuck, a collet adapter, a set screw bit retaining chuck, or a set screw bit retaining adapter. The rotatable device is configured to be mounted to a power tool for rotational driving of the rotatable device. The rotatable device is configured to receive a first bit device detachably mounted in the rotatable device for powering rotational movement of the first bit device. A generally cylindrical mounting section is defined on the rotatable device, which is capable of being rotatably driven by the power tool. The generally cylindrical mounting section includes at least one locking mechanism on it. The generally cylindrical mounting section is adapted for insertion in and engagement with a bit holding attachment.

Abstract: An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or second bit device can be used for drilling, fastener driving or for other operations, however the preferred configuration is use with a first bit device for drilling pilot holes and a second bit device for driving of a fastener into the freshly drilled pilot hole. The attachment (10) is easily detachably securable with respect to any chuck (14) or adapter (78) which has a rotating cylindrical surface (18) with a locking aperture (20) therein. A capping ring (52) may be positioned in an annular slot (42) to retain a resilient member (48) positionable within an annular groove (40) for facilitating biasing of a locking pin (44) into a locking aperture (20) on the rotatably driven cylindrical mounting surface (18).