Abstract: A tool handle includes a base and a cap pivotally coupled together at a folding line. The base includes a flange and two punctures and a latch formed in one side edge. The cap includes a groove and two projections and an ear for engaging with the flange and the punctures and the latch of the base such that the cap may be solidly secured to the base. The base includes a number of cavities and holes for partially receiving various kinds of tool bits and for allowing the tool bits to be easily disengaged from the base.

Abstract: A handle is carried upon a frame at a balanced point thereof for supporting the hand held masking in a generally balanced orientation when lifted. The handle includes an open free end accessing a chamber for removably storing selected items. The handle also includes a capping member detachably engageable with the open end for selectively closing the open end, and may include a lanyard attached thereto. A roll of tape or paper is releasably retained upon a roll holder by a flexible retention member, carried by the holder and normally outwardly biased to engage the core of the roll. More specifically, the retention member includes a mandrel having normally extending biased segments which engage the bore of the roll. A pivotally connected tensioning member is biased to urge a free end thereof against the outer surface of the paper roll to check uncoiling of the paper sheet.

Abstract: A screwdriver has a plurality of driver pins or different kinds where the shapes of the point portions are different from one another, and connecting shafts connected to the driver pins through universal joints, respectively. The driver pins are provided with spline grooves. Actuating shafts are also connected to the connecting shafts through universal joints, respectively. These members are housed within a cover and are guided upward and downward through the interior walls of the cover. The respective actuating shafts are upwardly energized by springs. Only one of the second shafts is selected and pushed down against the energizing means by a solid cam. The cover is provided with a single hole at a bottom end of the cover, and the single hole allows only one of the driver pins to pass through. The surfaces of the single hole are provided with a spline which is engageable with the longitudinal spline grooves of each of the driver pins.

Abstract: A tool includes a spring received in a handle. The handle has a number of protrusions and projections formed in one end. A slide is slidably engaged in the handle and engaged with the spring and has a number of cavities for engaging with a number of tool bits. The spring may bias the tool bits slightly outward of the handle. A block has a number of notches for engaging with the protrusions and has a number of depressions for engaging with the projections so as to secure the block to the handle. The block has a shaft for engaging with and for driving the tool bits. The slide and the tool bits may be safely received in the handle. The block has a bore for engaging with the shaft.

Abstract: A handle for a hand tool, including a hollow handle body and a cover covered on the handle body at the bottom, wherein the handle body has a bottom chamber, an inside annular groove around the bottom chamber, a hexagonal coupling hole longitudinally disposed at the front end in communication with the bottom chamber, a transverse hole perpendicularly extending from the hexagonal coupling hole to the periphery, and a springy strip suspending in the transverse hole adjacent to the hexagonal coupling hole, the springy strip having a raised portion facing the hexagonal coupling hole for holding down a driving shaft in the hexagonal coupling hole for holding a tool bit; the cover has a plurality of split upright barrels for holding tool bits, two arched connecting walls connected between the split upright barrels, and a circular chamber defined within the arched connecting walls for holding a driving shaft, each of the split upright barrels having a transverse rib forced into engagement with the inside annular groo

Abstract: A multi-purpose tool includes a head portion, a handle portion coupled to the head portion, and a plurality of hexagon rods received in the head portion and the handle portion. The head portion has a first end, a central hexagon hole defined therein extending from a second end thereof to the first end and a ratchet mechanism coupled the first end thereof. The ratchet mechanism includes a central shaft having a central hexagon aperture in alignment with the central hexagon hole of the head portion. The handle portion has a first end coupled to the second end of the head portion, a central hexagon opening defined therein extending from a second end to the first end thereof and in alignment with the hexagon hole of the head portion. The handle portion is capable of pivoting about the head portion with a first axial movement of the handle portion relative to the head portion in a first direction.

Abstract: A tool with changeable working tips has a tool shaft with an attachment end adapted to receive the attachment end of a working tip in freely removable engagement therewith. A sleeve is moved over the engagement of the shaft and working tip to securely hold the shaft and working tip together in engaged position so that any rotation or other movement of the shaft is transferred to the working tip. The sleeve is removable from around the engagement ends of the shaft and working tip, such as by removal from the tool or retraction into the tool, to allow the working tip to be removed from engagement with the shaft and a different working tip to be engaged with the shaft. The sleeve is replaced over the engagement of the engagement ends to hold the different working tip in place.

Abstract: A screwdriver is described having two double-ended driving bits, each having dimensions of length greater than width and a driving head at either end capable of controlling fastener rotation. The screwdriver also has a handle with dimensions of length greater than width, and width greater than thickness forming a somewhat flat handle that is appropriate for pocket storage and transportation. Extending out from the screwdriver handle is a screwdriver shank that is positioned to the side and off-center relative to the handle width to increase leverage and torque capabilities while maintaining a compact design. One of the two double-ended driving bits is stored within the handle while the other is temporarily held and secured within the screwdriver shank with one head exposed for fastener engagement. The components and their arrangement combine to form the present invention, a compact, high torque, four way multi-drive screwdriver that is user-friendly and cost efficient for manufacturing.

Abstract: A hand tool assembly which includes a casing having a coupling portion at one end and a receptacle portion at an opposite end, a shank having a coupling rod at one end for fastening to the coupling portion of the casing and a socket at an opposite end for holding a tool bit for turning screws, and a cover detachably covered on the receptacle portion of the casing, the cover having two plug boards for fastening to the receptacle portion of the casing, and a plurality of tubular upright bit holders for keeping tool bits, the tubular upright bit holders defining a space for holding the socket of the shank for permitting the shank to be received inside the receptacle portion when the hand tool assembly is not in use.

Abstract: A power chain saw utility tool provides an apparatus for effecting mechanical repairs and/or adjustments to a power chain saw having a chain bar. In one presently preferred embodiment, the power chain saw utility tool comprises a first elongated cylindrical case member that defines an elongated interior compartment having a transverse cross section with a non-circular shape into which a slide member is received. The slide member in this embodiment includes a plurality of interleaved members pivotally attached at one end thereof and comprising tools adaptable for making minor repairs and/or adjustments to the power chain saw. The slide member is selectively pivotable about the open end of the elongated cylindrical case member. When fully retracted, however, the slide member is received entirely within the elongated cylindrical case member.

Abstract: An improved bowler's tape tool includes a curved tool portion with an enlarged handle portion. A knife edge is formed at one end of the curved tool portion. The knife edge is smaller than the curved tool in both radial thickness and circumferential extent. The knife edge can be placed behind the tape in a bowler's thumb hole for removal of the tape. The curved tool is utilized to apply new tape within the thumb hole. The handle facilitates easy gripping and movement of the tool to either apply or remove the tape. In other aspects of this invention, the handle portion extends radially outwardly for a greater distance then the curved tool portion. This ensures that the user is able to properly control the curved tool portion and apply the required forces for application or removal of the tape. Further, the curved tool portion is preferably formed with a radius of curvature that is smaller than the radius of curvature of the thumb hole such that the tool can be easily moved within the thumb hole.

Abstract: A tool handle having a tool includes a handle having an extended portion with a driving element and a switching button and a recess disposed inside the handle. A tool kit containing various tool parts is accommodated within the recess. An axial rod provided at one end of the recess of the handle and a corresponding hole in the tool kit pivotally connect the tool kit with the recess. The tool kit has a retaining piece for engagement with an engaging edge at the other end of the handle for positioning the tool kit in the recess.

Abstract: A screwdriver with slidably stored tool head module, comprising a casing and at least one cartridge slidably received in the casing and formed with multiple chambers for containing a module of multiple tool heads. The casing has a front end for engaging with a support rod in which a tool head is exchangeably fitted, and a rear receptacle for receiving the cartridge. A pushing lever is lengthwise disposed on a lateral side of the cartridge and the casing is formed with a lengthwise guiding channel on a lateral side for receiving and lengthwise slidably guiding the pushing lever. The cartridge is easily lengthwise movable outward from the casing for selectively taking out a tool head of the module from the cartridge or placing a used tool head into the cartridge.

Abstract: An exchangeable screwdriver with work-head storage module(s) mainly consisting of a support, a shank disposed in front of the support for connecting at its front end an exchangeable work-head, and at least one cabin type module detachably connected to a rear portion of the support and, together with the support, forming a handle of the screwdriver. Each of the cabin type modules has a plurality of holes provided at its front surface to each stably receive a spare exchangeable work-head therein. Multiple cabin type modules may be sequentially connected together to provide work-head storage space that is not limited by the size of a general screwdriver handle, so that the storage and carrying of multiple spare exchangeable work-heads can be more convenient.

Abstract: In order to enhance the availability of tools, a multi-function tool includes a handle having first and second ends with the first end having an opening for receiving a screwdriver tip, and the second end having an opening for receiving a tube which is releaseably retained in relation to the handle by a collet. The handle has opposed side openings extending from the second end to a point near the collet. The tube is mounted for limited axial sliding movement relative to the handle from a position where one of its ends is retained by the collet to a position where it is no longer retained by the collet to position the tube in alignment with the side openings in the handle. The tube is also mounted for pivoting movement when it is in alignment with the side openings to a generally transversely extending position. The tube cooperates with the handle in the generally transversely extending position to define a T-shaped handled for applying increased torque to the first handle end.

Abstract: Handtools, typically two screwdrivers with a slotted tip (14) and a crossheaded (Phillips) tip (24), respectively nest together for pocket storage in one compact package without any protruding points or tips. Tip (14) is attached to blade (or shaft) (12) that mounts on handle (or body) (10). Tip (or bit or head) (24) is attached to blade (22) that mounts on handle (20). For storage, the two handtools are placed in opposition and brought together to mate hermaphroditically, with blade (12) entering bore (or hole) (16) in handle (20) and blade (22) entering bore (16) in handle (10). When so nested, both blades and tips are completely covered to protect the user's clothing when stored in a pocket. The resulting package is approximately the same length as a single tool and has the same diameter, yet is easily pulled apart so that both tools become fully usable separately.

Abstract: Timing pin apparatus for locking a fly wheel of a diesel engine in place for timing purposes includes a housing securable to a bell housing of a diesel engine and a timing pin movable in the housing and into the bell housing to engage a detent in the diesel engine flywheel. The timing pin is spring loaded to engage the flywheel and to retract from the flywheel. A sleeve disposed about the housing loads and unloads a spring for urging the timing pin into the detent in the flywheel when loaded, and when unloaded allows a second spring to automatically retract the pin from flywheel engagement.

Abstract: A screwdriver includes an elongated shaft including a first engagement surface, and a handle including a second engagement surface opposing the first surface. The handle receives the shaft and allows limited axial movement of the shaft relative to the handle in a direction parallel to the longitudinal axis of the shaft between a rotation transmitting position in which the first and second engagement surfaces are in contact with one another during rotation of the handle and a disengaged position in which the first and second engagement surfaces are out of contact with one another during rotation of the handle. The first and second engagement surfaces mate with one another to prevent relative sliding movement between the surfaces when they are in contact with one another so that the handle and shaft rotate together when the shaft is in the rotation transmitting position. The shaft rotates freely relative to the handle when the shaft is in the disengaged position, and is biased toward the disengaged position.

Abstract: Disclosed is a foldable wrench capable of containing various tool bits. The wrench consists of a fixed handle having a first compartment for accommodating rod-shaped tool bits, a first removable cover for covering the first compartment, a movable handle having a second compartment for accommodating socket-shaped tool bits, a second removable cover for covering the second compartment, and a riveting pin pivotally connecting the first removable cover, the fixed handle, the movable handle, and the second removable cover, through holes formed on overlapping portions separately provided on the four components so that each of such components can be pivotally turned about the riveting pin relative to one another.

Abstract: A tool handle having a tool head mounted at a first end of the tool handle includes a handle shaft telescopingly mounted within the tool handle arranged for securement within the associated handle tube in a first position and projecting the handle tube in a second position to provide for increased application of leverage and torque in use of the tool head.

Abstract: The invention herein relates to a kind of multi-angle all-purpose ratchet screwdriver that consists mainly of a serrated ratchet wheel on a screwdriver chuck, a ratchet-angle locking plate at the hinged juncture between the handle and the screw driver chuck, and a threaded positioner plate which, when tightened, exerts pressure on the ratchet wheel and the ratchet-angle locking plate, thus, securing the ratchet-angle locking plate against the ratchet wheel on the screwdriver chuck, while also attaining the objective of securing the ratchet-angle locking plate to the screwdriver chuck at various angles.

Abstract: A household implement comprises a tool member including an operative element and a rod attached at one end to the operative element. The tool member is slidably mounted to a hollow housing having an opening at one end (a lower end) and a hand grip at an opposite end (an upper end). The tool member shifts relative to the housing between a retracted position inside the housing and an extended position wherein the operative element and a portion of the rod are outside of the housing. A locking element(s) is provided for locking the tool member in the extended position.

Abstract: A wrench structure including a wrench head having a fixed jaw, with a movable jaw arranged in a sliding confronting relationship relative to the fixed jaw is arranged, wherein the fixed and movable jaws each include mirror image confronting faces, with each face having a mirror image V-shaped recess to accommodate enhanced securement of a wrench flat complementary surface portion of an associated workpiece for grasping within the V-shaped recesses.

Abstract: A combination tool device having a double ended socket wrench, a handle with a screwdriver tip, and a file disposed in the handle is provided. The file may be removed from the handle and used as a separate tool, or may be first removed and then releasably reconnected so that the other components function as a file handle. The file may also be disposed so that it is stored in the handle and may be extended and releasably fixed in extended position for use.

Abstract: A multiple bit screwdriver employs a breach loading magazine to store a plurality of bits. The magazine is enclosed inside the hollow handle of the screwdriver and is extracted along the axis of the screwdriver when the end-cap of the handle is pulled. The bits are stored in the magazine and are located about the circumference of the magazine tube that reciprocates relative to the screwdriver. When the magazine is fully extracted, the bits are easily viewed and may be individually removed from or replaced in the clips applying a simple radial force.

Abstract: In a hand held multiple bit object implement having a handle with a central longitudinal axis, a bit selector cup rotatably mounted at an end of said handle to rotate about said central axis, a plurality of bits provided peripherally of said handle in a generally circular pattern about said handle axis, each bit being provided in said handle to extent essentially parallel to said handle's axis, a chuck provided at said end of said handle, said chuck being aligned with said handle axis for receiving a bit head, said cup having a continuous side wall with an interior surface spaced radially outwardly of the radial location of said circular pattern of bits and a closed cup end, an elongate slot extending from a central portion of said cup end and radially outwardly to the location of said bits in said handle, said cup being rotatable to position said slot in register with any desired bit in said handle, said slot in said cup being of sufficient size to permit withdrawal of a bit shaft from said handle in a direc

Abstract: A bicycle kettle support with a tool-storing box including a kettle support haing a lower threaded portion, and a tool box composed of multiple layers of box members and screwed on the lower threaded portion of the kettle support, wherein each of the box members is divided into several chambers by partitioning boards for containing various tools and a cap is rotatably mounted over the box member by a shaft, the cap being formed with an opening corresponding to the shape of the chamber, whereby the cap can be rotated through a certain angle to make the opening aligned with the chamber for the user to take out the tools contained therein while closing other chambers to prevent the tools stored therein from dropping out, the lateral wall of at least one of the box members being formed with a tool insert hole so that the tool can be inserted thereinto, permitting the box member to serve as a handle to increase the wrenching torque exerted on the tool.

Abstract: A key ring and screwdriver device is disclosed as including a hollow tubular handle having opposite open ends. A reversible screwdriver having different blade ends at an intermediate polygonal cross sectional area is capable of being stored in one open end of the hollow tubular handle. At the opposite open end of the hollow tubular handle, a ferrule is provided. The ferrule includes an outer internally threaded section and inner polygonally shaped section. The outer internally threaded section has a cross sectional dimension greater than the reversible screwdriver blade in order to freely accommodate same. The inner polygonally shaped section has a complementary shape and size for receiving the intermediate polygonal cross sectional area of the reversible screwdriver blade in driving engagement therewith.

Abstract: A tool handle for securing a plurality of tool bits and allowing for individual selection of a desired tool bit without accessing any others. The handle is comprised of an elongated, rounded body rotatably affixed to a cylindrically-shaped cap. The body has cylindrically-shaped cavities located on its periphery that slidingly secure a plurality of tool bits yet allow for visual selection of the desired tool bit. The body has a shaft end and a free cap end having an integral hub of smaller diameter than the body, the hub has a snap fit relationship with an inner rim of the cap member. The cap is substantially cylindrically-shaped having an open end and a covered end. The cap has a cylindrically-shaped inner rim for engaging the hub of the body member in a snap fit arrangement. The covered end of the cap, on its outside surface, has an access door integrally hinged to the circumference of the cap.

Abstract: A plurality of sockets are provided, wherein each socket is coaxially aligned and includes a first and second polygonal cavity directed interiorly and longitudinally of the socket from each opposed terminal end thereof. A socket member web is orthogonally oriented relative to an axis defined by the socket member and is positioned medially of the axial length defined by the socket member. The web includes a polygonal cavity coaxially therethrough to receive a forward extension of an extension leg. Alternatively, the ratchet wrench member may include an elongated output drive shaft for reception within the polygonal cavity of the socket member web. An adapter arrangement is provided for use with an output drive shaft of conventional length, wherein the adapter member is received within a tubular cavity of the ratchet wrench handle.

Abstract: A combined screwdriver and magnifying glass includes a screwdriver having a handle and a shank connected to the handle; a block member made of elastic material detachably and frictionally sleeved around the shank; and a magnifying glass having a central hole, the block member being frictionally fitted in the central hole of the magnifying glass.

Abstract: A folding tool comprises a chassis in the form of a generally U-shaped metal band having a base portion and a pair of substantially parallel spaced-apart leg portions, an axle joined to the leg portions adjacent their free ends and transversely spanning the space between them, and a multiplicity of different elongated tools pivotally received on the axle and individually pivotable selectively about the axle between a storage position in which they are received between the leg portions of the chassis and a deployed position in which they extend away from the chassis. A handle having a top wall, a pair of side walls and one end wall receives the chassis and is joined to it, the handle having a bottom opening between the leg portions of the chassis and an end opening between the free ends of the leg portions through which the tools are movable between their storage and deployed positions. The external surfaces of the top and side walls of the handle are contoured to facilitate gripping.

Abstract: An improved cordless motor-driven electric hand tool that has an elongated body portion with a tool bit-receiving chamber at one end and a housing at the other end having a battery-receiving chamber therein. An elongated tool bit storage chamber is formed in the housing above and/or below the battery-receiving chamber and has a cover that is pivotally mounted for open and closed positions. The housing is oval shaped to create a space above and/or below the battery-receiving chamber in which the tool bit storage chamber is formed.

Abstract: A wrench storage arrangement for a router wherein the router housing is formed with a cavity and apertures communicating with the cavity are provided on diametrically opposed sides of the cavity. For storage purposes, the wrench handle is caused to extend through the apertures. Within the cavity are a pair of beams which extend toward each other, each of the beams having a longitudinal rib. The wrench handle is formed with notches on the opposed side surfaces, which notches engage the ribs to provide a retention detent.

Abstract: A combination tool for using, repairing and maintaining muzzle loading firearms includes a ball starter tool member connected to an elongated body member which provides the land and groove setting rod of the ball starter and further provides a housing and carrier for a plurality of additional tool members. The additional tool members include at least a plurality of screwdrivers, a flash hole nipple probe, a plurality of whistle signaling devices, a plurality of powder measures and a plurality of bar or pry members.

Abstract: A tool bit such as a screw driving bit for use with a rotary power tool is conventiently stored in a cavity in the rotary power tool housing when not in use in a power tool chuck. The tool bit is retained in the recess by frictional engagement with a retainer spring. A push-button protruding from the rotary tool housing communicates with the bit holding cavity and retainer spring in a manner such that, upon depression of the push-button, the retainer spring is moved out of frictional engagement with the bit to enable its release from the storage cavity.

Abstract: A multipurpose tool is provided with a revolver for storing a plurality of different tool bits which may be indexed by a trigger mechanism and selectively disposed in a position of use at the end of a barrel by a retractable shaft. The device includes a hollow handle provided with a removable cover to form a compartment for storage of accessory parts.

Abstract: A multipurpose automotive tool kit is provided in a housing which is also a handle. A variety of sockets and other useful tools are stored in the housing and used individually or attached to the housing used as handle. As a handle, the housing acts as both a levering device and as a viable tool having inherent useful sockets immediately available in the surface structure.

Abstract: An improved universal tool structure having a handle holding a tool head connecting means for receiving one of a plurality of tool heads, and a tool head storage case body held within the handle. A push button on the outer surface of the handle has a control member and a biasing spring within the handle. The storage case body fits into the handle from the bottom and has an elongated hole or slot at its top for receiving the control member which is biased to press against the inner surface of the hole to retain the storage case body in the handle. The case body is released by pressing the push button, and a flange at the top of the storage case body butts against an inwardly projecting flange at the handle bottom to retain the case body in the handle.

Abstract: A DIY electric hand tool is provided to include a hand grip portion. A battery received in the interior of the hand grip portion supplies electric power necessary for the operation of the hand tool. A lower end of the hand grip portion is enclosed by two half-shells pivotably mounted thereto. an inner space suitable to accommodate tool heads and having a lower end opening is formed between the walls of the hand grip portion and the walls of the half-shells. A tool head receiving plate assembly has means for attaching it to a bottom end of the battery with the battery being located centrally on an upper surface of the plate assembly when they are held together. Along each of two longer edges of the plate assembly is provided with a plurality of tool head receptacles, each of which is suitable to receive a tool head.

Abstract: A Multiple Bit Screwdriver has a handle with a plurality of bits in a circular array of longitudinal bores within a handle magazine. A rotatable end cap on the handle is provided with a slot for receiving the bit, and the desired bit is selected by rotating the end cap to align the slot with a particular bore. The selected bit is withdrawn from the magazine by inserting a second bit into the bore through the slot in the end cap, thereby forcing the selected bit out of the bore through the opposite end. The bit is retained in working position on the screwdriver shaft by magnetic means. Double-ended bits may be utilized.

Abstract: A storage type hexagonal socket wrench including a handle, a driving shaft, a socket, a back seat, a rotatable storage wheel, a front seat, one set of socket wrench elements and a spring wherein the handle is comprised of a main handle grip and an auxiliary handle bar pivotally mounted therein whereby the auxiliary handle bar can be alternatively switched open to form a T-shaped configuration for each operation by both hands. The socket has a hexagonal outer configuration and a hexagonal hole in one end to receive the shaft and a pentagonal hole in the front portion. The back seat comprising a circular block having a hexagonal tube extended therefrom. The hexagonal tube having a hexagonal opening for the socket to slide thereinside, and a flange at the rear end to protrude inward so as to form a reduced hexagonal hole for insertion of said driving shaft, an axle extends from the central portion of the circular block.

Abstract: A tool handle includes an elongated body having a cap thereon rotatable with respect to body to facilitate use by reducing friction to the hand of the user upon rotation of the handle carrying a tool, such as a screwdriver. The cap has a projection or flange adapted to engage in snap fit relationship with a locking recess on the exterior of the body to hold the cap on the body. In another embodiment, the body is hollow and has an internal chamber for receiving tools. The rotatable cap has an opening adapted to be closed by a top that is secured to the cap by a live hinge. In a further embodiment, the cap and body are provided with interengaging means which are cammed apart during relative rotation of the cap with respect to the body to enable release of the cap from the body to permit access to the tool or tools in the internal chamber.

Abstract: A pocket screwdriver 10 having a hollow shaft 11, one end of which is contoured to receive the hexagonal shaft 25 of a standard interchangeable screwdriver bit, 13 or 18, a thrust bearing magnet 17 for magnetically attaching to the standard hexagonal bit, a storage compartment 23 for storing one or more interchangeable hexagonal bits, a shirt pocket clip 15 attached to the hollow shaft 11 and a torque cap 12 which can be radially attached to the shaft thereby acting as torque amplification means.

Abstract: The magazine hammer has a hammer head (1) and a hammer shaft (2) running transversely to the latter. A guide channel (3) for guiding nails (4) from a nail magazine (5) runs in the longitudinal direction of the hammer shaft (2). The guide channel (3), in its end facing the hammer head (1), forms a deflection channel (7) for swinging round the nails (4) fed individually in their longitudinal direction. For this purpose, the deflection channel (7), on its lower side or its side remote from the hammer head (1), is provided with a passage slot (11) for the nail shank so that, in this area, a nail (4) fed individually in its longitudinal direction can swing about its nail head as a rotational axis into the desired setting position at the hammer head (1).

Abstract: A tool housing includes first and second coaxial openings on opposite sides of the housing. Wall structure is provided for guiding the key head into the interior of the housing, where the key head is engaged by retaining structure. The second opening has an ejector member mounted therein for movement toward and away from the first opening. When the user of the tool wishes to eject the key from the housing, he pushes on the outer portion of the ejector member, causing the portion of the member innermost to the housing to contact the key head and to disengage and displace it outwardly through the first opening, thereby releasing the key from the housing.

Abstract: Apparatus and a method for attaching soft tissue to bone in a surgical operation, particularly in suturing a portion of a shoulder joint socket to the rim of the glenoid cavity of a scapula. A drilling guide includes a pair of convergent tubes and a handle supporting them, and a locater rod is used to aid in holding the drilling guide so that intersecting holes can be drilled from opposite sides of the glenoid rim. A suture is pushed into one of the intersecting holes and pulled out from the other using a double hook to anchor a suture to the glenoid rim.

Abstract: A multibit hand tool has a plurality of bits provided in a circular pattern within a handle magazine. A rotatable selector cup at the end of the handle permits selection of a desired bit from the magazine and placement in a chuck in the handle. An elongate slot is provided in the cup to permit the manipulation of the bit. An improved guidance arrangement is provided for guiding movement of a bit withdrawn from the handle magazine for insertion in the chuck. The guide device prevents rotation of the screwdriver bit while being transferred from the magazine to the chuck. An improved arrangement is provided for retaining a bit withdrawn from the handle magazine within the bit selector cup so that bits are not lost. The mounting of the bit selector cup on the handle is improved to facilitate assembly and use of the bit selector cup.

Abstract: A multibit hand tool has a plurality of bits provided in a circular pattern within a handle magazine. A rotatable selector cup at the end of the handle permits selection of a desired bit from the magazine and placement in a chuck in the handle. An elongate slot is provided in the cup to permit the manipulation of the bit. The improvement in this hand tool arrangement comprises an adaptation to the chuck and bit ends so that the selected bit end is readily placed within the chuck. This feature is accomplished by providing a number of operative faces on the bit end equal to the number of bits provided in the handle. Similarly, the chuck has a bore presenting a corresponding plurality of internal operative faces for engaging the bit end.

Abstract: A multi-purpose hand tool having novel structure which allows it to partially function in the manner of a revolver. It has a ten or twelve chamber cylinder which revolves and holds various sizes of screwdriver, Phillips head drivers, Allen wrenches, sockets, screw starters, etc. The tool has a primary shaft that is journaled within a tubular sleeve and the shaft has a handle mounted on its one end and a male socket head formed on its forward end. The drive shaft may be sequentially driven forward to engage one of the tool heads in one of the chambers of the cylinder with further forward motion causing the tool head to exit the front of the chamber where it can be used to tighten or loosen a fastener. The drive shaft can be operated by hand, hand ratchet, an electric drill with an adapter, or by a battery powered electric motor mounted in the handle housing.