Abstract: An auxiliary device for an electric nail gun header structure mainly inserts a head cover body adapted to position and lock a nail gun header with an extended locking frame; the end of the head cover body is used to cover the end of a gun body completely; the bottom of the head cover body is extend with two flange sheets opposite to each other to cover the two sides of a grip of the nail gun, forming particular, stable covering. Therefore, the head cover structure will not be displaced or rotated upon one-handed operation, thereby ensuring the convenience and safety of the operation of the nail gun.

Abstract: A socket is provided, including a socket main body, a switch member and at least one positioning unit. The socket main body has a working portion and a sleeve portion which are disposed along an extending direction of an axis, and the sleeve portion has a receiving space which is for the inserting portion of a driving tool to insert thereinto; the switch member is movable along the extending direction, disposed to the sleeve portion, and rotatable about the axis; the at least one positioning unit includes a first receiving portion penetrating through the sleeve portion and being lateral to the axis, a second receiving portion formed on the switch member and facing the sleeve portion, and a positioning member movably received in the first receiving portion, and a part of the receiving member protrudes beyond the first receiving portion.

Abstract: The present invention provides a socket wrench, including a main body and a control sleeve. The main body includes a socket end and a connection end. The socket end is configured to be connected with a fastener. The connection end is configured to be connected with the insertion portion. The connection end includes at least one first through hole. At least one positioning member is movably restricted within the at least one first through hole. The control sleeve is movably assembled to the connection end. The control sleeve includes a first portion and a second portion. The first portion has at least one receiving hole which is selectively correspondable to the at least one first through hole. The first portion is inserted into the second portion. The at least one receiving hole is disposed inside the second portion.

Abstract: A tool holder device includes a receptacle having two conduits perpendicular to each other, a spindle and a shaft are rotatably engaged in the conduits of the receptacle and have bevel gears meshed with each other for allowing the shaft to be rotated relative to the receptacle by the spindle, a housing is secured to the receptacle, a flexible shank is secured to the spindle, a stem is secured to the flexible shank, a flexible sheath is engaged onto the flexible shank and is secured to the receptacle, and a control ferrule is secured to the flexible sheath, and the stem is rotatably received and engaged in the control ferrule. The flexible shank and the flexible sheath allow the tool holder device to be easily operated by the user in a tiny working space.

Abstract: The present invention provides a socket wrench, including a main body and a control sleeve. The main body includes a socket end and a connection end. The socket end is configured to be connected with a fastener. The connection end is configured to be connected with the insertion portion. The connection end includes at least one first through hole. At least one positioning member is movably restricted within the at least one first through hole. The control sleeve is movably assembled to the connection end. The control sleeve includes a first portion and a second portion. The first portion has at least one receiving hole which is selectively correspondable to the at least one first through hole. The first portion is inserted into the second portion. The at least one receiving hole is disposed inside the second portion.

Abstract: An electric nail gun structure is disclosed. A gun head seat body is formed into a structure with inner and outer cover layers, allowing a rotating rod and a slide piece moving a pull nail linearly to be configured inside it; the gun head seat body is formed completely by having a steel sleeve with equidistantly spaced slide chutes on the inside thereof covered with a plastic contact layer, where the slide chutes allows projecting ribs configured on the steel slide piece to be in engagement therewith so that a stable and safe nail pull operation can be obtained. Furthermore, a length extensible and width adjustable auxiliary handle rod is configured on the outside of the gun head seat body allowing nail gun seat bodies for all kinds of electric, pneumatic drills to be operated conveniently and safely with one single hand.

Abstract: A socket is provided, including a socket main body, a switch member and at least one positioning unit. The socket main body has a working portion and a sleeve portion which are disposed along an extending direction of an axis, and the sleeve portion has a receiving space which is for the inserting portion of a driving tool to insert thereinto; the switch member is movable along the extending direction, disposed to the sleeve portion, and rotatable about the axis; the at least one positioning unit includes a first receiving portion penetrating through the sleeve portion and being lateral to the axis, a second receiving portion formed on the switch member and facing the sleeve portion, and a positioning member movably received in the first receiving portion, and a part of the receiving member protrudes beyond the first receiving portion.

Abstract: An auxiliary device for an electric nail gun header structure mainly inserts a head cover body adapted to position and lock a nail gun header with an extended locking frame; the end of the head cover body is used to cover the end of a gun body completely; the bottom of the head cover body is extend with two flange sheets opposite to each other to cover the two sides of a grip of the nail gun, forming particular, stable covering. Therefore, the head cover structure will not be displaced or rotated upon one-handed operation, thereby ensuring the convenience and safety of the operation of the nail gun.

Abstract: An electric nail gun structure is disclosed. A gun head seat body is formed into a structure with inner and outer cover layers, allowing a rotating rod and a slide piece moving a pull nail linearly to be configured inside it; the gun head seat body is formed completely by having a steel sleeve with equidistantly spaced slide chutes on the inside thereof covered with a plastic contact layer, where the slide chutes allows projecting ribs configured on the steel slide piece to be in engagement therewith so that a stable and safe nail pull operation can be obtained. Furthermore, a length extensible and width adjustable auxiliary handle rod is configured on the outside of the gun head seat body allowing nail gun seat bodies for all kinds of electric, pneumatic drills to be operated conveniently and safely with one single hand.

Abstract: A tool holder device includes a receptacle having two conduits perpendicular to each other, a spindle and a shaft are rotatably engaged in the conduits of the receptacle and have bevel gears meshed with each other for allowing the shaft to be rotated relative to the receptacle by the spindle, a housing is secured to the receptacle, a flexible shank is secured to the spindle, a stem is secured to the flexible shank, a flexible sheath is engaged onto the flexible shank and is secured to the receptacle, and a control ferrule is secured to the flexible sheath, and the stem is rotatably received and engaged in the control ferrule. The flexible shank and the flexible sheath allow the tool holder device to be easily operated by the user in a tiny working space.

Abstract: An adjustable wrench device includes a housing engaged in a head and having an internal gear, a rotary member engaged in the housing, a sleeve attached to the housing and engaged with the rotary member for confining the rotary member in the housing, the sleeve includes an opening having two spirally arranged cam surfaces and having two or more pairs of depressions, two jaw members are engaged with the rotary member and moveable toward and away from each other to engage with either pair of depressions for adjusting the spacing distance between the jaw members and for adjustably gripping bolt heads or nuts or fittings of different sizes or dimensions or diameters.

Abstract: A fastener holder includes a driving tool stem having a number of orifices, a driving tool shank engaged in the stem for engaging with a tool element and having a number of depressions formed in the shank, a number of bearing members engaged in the orifices of the stem for engaging with the depressions of the shank and for selectively anchoring the shank to the stem, and a barrel includes a relatively smaller segment for selectively engaging with the bearing members and for forcing the bearing members to engage into the depressions of the shank and to anchor and lock the driving shank to the stem and for allowing the driving shank and the tool element to be selectively rotated and driven by the stem.

Abstract: An adjustable wrench device includes a housing engaged in a head and having an internal gear, a rotary member engaged in the housing, a sleeve attached to the housing and engaged with the rotary member for confining the rotary member in the housing, the sleeve includes an opening having two spirally arranged cam surfaces and having two or more pairs of depressions, two jaw members are engaged with the rotary member and moveable toward and away from each other to engage with either pair of depressions for adjusting the spacing distance between the jaw members and for adjustably gripping bolt heads or nuts or fittings of different sizes or dimensions or diameters.

Abstract: A fastener holder includes a driving tool stem having a number of orifices, a driving tool shank engaged in the stem for engaging with a tool element and having a number of depressions formed in the shank, a number of bearing members engaged in the orifices of the stem for engaging with the depressions of the shank and for selectively anchoring the shank to the stem, and a barrel includes a relatively smaller segment for selectively engaging with the bearing members and for forcing the bearing members to engage into the depressions of the shank and to anchor and lock the driving shank to the stem and for allowing the driving shank and the tool element to be selectively rotated and driven by the stem.

Abstract: A tool holder device includes a number of slots formed in a housing, a receptacle having two conduits perpendicular to each other, the housing has an end portion engaged into one of the conduits, a spindle is rotatably engaged in the housing, a shaft is rotatably engaged in the receptacle and has a bevel gear meshed with a bevel gear of the spindle, a barrel is attached onto the housing and has two ears, a handle has a cam member pivotally mounted to the ears of the barrel, the cam member is engageable with either of the slots of the housing for anchoring the handle and the barrel to the housing at selected angular positions when the handle is pivoted relative to the housing to the perpendicular working position.

Abstract: A tool extension includes a positioning ring engaged with a housing, a detent extendible into a bore of the housing, a shank attached to the housing for supporting a tool element, a shaft engaged in the housing and having two or more outer peripheral grooves for engaging with the detent, and a control device having a sleeve and a control ferrule secured together and engaged onto the housing, and two spring biasing members engaged with the positioning ring and the sleeve and the control ferrule, and the control ferrule includes two troughs for engaging with the detent and for defining an inner peripheral actuator between the troughs and for easily operating the sleeve and the control ferrule of the control device.

Abstract: A combination tool includes a handle having an enlarged head used as a striking tool, and having a chamber formed in the head for rotatably receiving a follower, and a pawl pivotally attached to the handle and having two engaging members for selectively engaging with the follower and for determining a rotational movement of the follower relative to the handle and for forming a ratchet wrench tool, and a tool member changeably disposed on the other end portion of the handle for conducting various kinds of works, a spring-biased projection is engaged in the handle and biased to engage with the pawl for anchoring either of the engaging members in engagement with the follower.

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 tool combination includes a shaft having a non-circular segment, a tool carrying head having a stud pivotally mounted to the shaft, and a sleeve slidably engaging onto the shaft and having a compartment formed in one end for receiving the end portion of the shaft and the stud of the tool carrying head and for retaining the stud of the tool carrying head in line with the shaft, and one end of the shaft is engageable with a power driving tool for being driven by the power driving tool automatically, and the non-circular segment of the shaft is engageable with a non-circular space of the sleeve for allowing the shaft to be selectively rotated by the sleeve manually.

Abstract: A tool retaining device includes a housing having an engaging hole and having a chamber for slidably receiving a tool stem, the tool stem includes a socket opening for receiving a tool member which is also slidably engaged in the engaging hole of the housing, for allowing the tool member to be rotated by either the tool stem or the housing. The tool member may also be moved relative to the housing for changeably coupling tool members or tool bits having different lengths, and may be selectively moved into the housing, for allowing another tool element to be selectively engaged with the engaging hole of the housing when the tool member is moved into the housing.