Abstract: A switch device for a nail gun includes a body having a main chamber and a cylinder is received in the main chamber. A main path communicates with the cylinder. A recess is formed in the body and a valve is received in the recess. An end member is connected to the rear end of the body. An air way communicates between the recess and the end member. A first release path communicates the recess and outside of the body. A communication path communicates between the main chamber and the recess. A switch member is located at the communication path. By operating the switch member, the features of single mode and automatic mode of the nail gun is controlled.

Abstract: A switch device for a nail gun includes a body having a main chamber and a cylinder is received in the main chamber. A main path communicates with the cylinder. A recess is formed in the body and a valve is received in the recess. An end member is connected to the rear end of the body. An air way communicates between the recess and the end member. A first release path communicates the recess and outside of the body. A communication path communicates between the main chamber and the recess. A switch member is located at the communication path. By operating the switch member, the features of single mode and automatic mode of the nail gun is controlled.

Abstract: A nail pushing device of a nail gun includes a base connected to the nose of the nail gun, a cover slidably connected to the base, and restriction units received in the cover. The base has multiple positioning slots, slide slots and passages. The restriction units are installed in the positioning slots and each have a main part for being contact with the nails. The main part of each restriction unit has a ridge protruding laterally therefrom and a resilient leg extends from each of two ends of the ridge. The restriction units each have a guide member and an engaging portion on two ends thereof. The restriction units located in the positioning slots at different positions are used to guide nails of different lengths.

Abstract: A nail pushing device of a nail gun includes a base connected to the nose of the nail gun, a cover slidably connected to the base, and restriction units received in the cover. The base has multiple positioning slots, slide slots and passages. The restriction units are installed in the positioning slots and each have a main part for being contact with the nails. The main part of each restriction unit has a ridge protruding laterally therefrom and a resilient leg extends from each of two ends of the ridge. The restriction units each have a guide member and an engaging portion on two ends thereof. The restriction units located in the positioning slots at different positions are used to guide nails of different lengths.

Abstract: An auxiliary member for coil nails includes a shank and a connection portion which is located at a lateral side of the shank, wherein the shank is pushed by a main pusher of a push mechanism. An extension portion is connected between the shank and the connection portion. The shank and the extension portion are non-parallel to each other, an axis of the shank is not parallel to an axis of the extension portion. The connection portion holds a shank of a last nail of the coil nails.

Abstract: A pressure releasing device includes an end cap connected to a rear end of a body of the pneumatic tool and includes an engaging area. A cylinder is located in a chamber in the body of the pneumatic tool and partially located in the engaging area. The engaging area includes an axle hole and output holes are located around the axle hole. A groove is defined in an inside of the engaging area and includes a tapered surface. The cylinder includes intake holes communicating the chamber in the body. Release holes are defined in the cylinder and communicate with the groove of the engaging area. Two seals are respectively engaged with a first recess and a second recess. The release holes are located between the first and second recesses. Multiple output holes are defined in the cylinder and communicate between an outside of the cylinder and the second recess.

Abstract: A nail gun includes a body having a nose connected thereto and a path is defined in the nose. A magazine is engaged with an opening defined through a wall of the nose so as to provide nails into the path. Each nail includes a head and a shank. A plurality of grooves are defined axially in an inner periphery of the path. A strike rod is movably received in the path and has ridges extending radially from an outer periphery of the strike rod. The ridges are slidably engaged with the grooves in the path. A diameter of a circle formed by outer surfaces of the ridges is not less than an outer diameter of the head of the nail, so that when the strike rod hits the head of the nail and head of the nail is not deformed.

Abstract: A quick release device for nailers includes a barrel having a axial nail path and a cover is pivotably mounted to a top of the barrel and has two extensions which extend through the barrel and each extension has a hook and an opening which defines the hook corresponding thereto. A quick release unit has two walls which are cooperated with a spring and pivotably connected to the barrel. Each wall has an inclined surface and a contact surface. The two hooks contact the two inclined surfaces. The inclined surface and the aperture are located on the same side relative to the hook corresponding thereto. A top end of each inclined surface is located corresponding to the opening of the hook corresponding thereto. The cover is secured to the barrel even the nails jam and the cover can be easily opened by pivoting the quick release device.

Abstract: A pneumatic gun includes a barrel with a piston unit movably received therein and a handle is connected to the barrel. A chamber, an inlet passage, a communication path, a release path and a free area between the communication path and the release path are defined in the handle. An inlet is defined between the inlet passage and the free area. A neck opening is defined between the chamber and the free area. The communication path communicates with the interior, and the release path communicates with the chamber. A valve unit is received in the chamber and includes a movable part which is reciprocally movable in the inlet, free area and the chamber. A distal end of the movable part is located not below a lowest periphery of the inlet when the valve unit is activated by pulling the trigger.

Abstract: A magazine includes a base having nail slots defined therein and a cover is slidably mounted to the base. A first end member and a second end member are respectively connected to the first and second ends of the cover. A plurality of rods extend through the first end member, the nail slots and the second end member. Each rod has a biasing member and a pushing member which is biased by the biasing member so as to push the nails in the nail slots. A plurality of bolts extend through the second end member and contact against the second end of the cover so that when rotating the bolts to move the second end member away from the second end of the cover, the rods are straightened. The pushing members on the rods push the nails of different lengths to be arranged in order in the magazine.

Abstract: A magazine of a nailer includes two first ridges extending from two insides of the magazine and each first ridge has a groove defined in a bottom thereof so as to receive two guide members therein. A head of a longer nail is rested on the first ridges and the shank of the longer nail extends through a distance between the two first ridges. Two second ridges extend from the two insides of the magazine and are located beneath the first ridges. A head of a shorter nail is rested on the second ridges and the shank of the shorter nail extends through a distance between the two second ridges. The head of the shorter nail is guided by the guide members during being fed into the nose.

Abstract: A nose assembly of a nailer includes a mounting member mounted onto a base unit so as to define a path therebetween. A magazine is connected to the base unit and nails are pushed into the path via a slot defined in the base unit. A recess is defined in the mounting member and a magnet is received in the recess so as to attract the nail in the path. The magnet positions the nail of different lengths in the path so that the nails can be ejected correctly.

Abstract: A magazine assembly for a pneumatic nailer includes a first end wall and a second end wall, a side panel and a cover pivotably connected to the magazine are connected between the first and second end walls. A plurality of first recessed areas are separated by first guide ribs in the magazine assembly so that the heads of nails are relieved between two adjacent first guide ribs and the shanks are received in the first recessed area. The nails are arranged such that a gap between the second end wall and the tips of the nails are maintained within a range whichever length of nails are used so as to ensure the nails are guided and ejected properly.

Abstract: A magazine includes a base having nail slots defined therein and a cover is slidably mounted to the base. A first end member and a second end member are respectively connected to the first and second ends of the cover. A plurality of rods extend through the first end member, the nail slots and the second end member. Each rod has a biasing member and a pushing member which is biased by the biasing member so as to push the nails in the nail slots. A plurality of bolts extend through the second end member and contact against the second end of the cover so that when rotating the bolts to move the second end member away from the second end of the cover, the rods are straightened. The pushing members on the rods push the nails of different lengths to be arranged in order in the magazine.

Abstract: A nail includes a head and a shank which extends from an underside of the head and includes a reinforcement section a shank body. A tip portion is formed on a distal end of the shank body and the reinforcement section is connected between the head and the shank body. A diameter of the reinforcement section is larger than a diameter of the shank body.

Abstract: A pneumatic tool includes an annular space defined between an inner periphery of the space and an outer periphery of the cylinder, the annular space communicates with an adjusting hole. The adjusting hole includes a head, a threaded portion, a contact portion, a shoulder and a communication passage. The adjusting member is threadedly connected to the adjusting hole so that the seal ring is moved with the movement of the adjusting member. A section between the seal ring to the head in the adjusting hole defines an inlet of an escape passage. The seal ring is moved with the adjusting member between two sides of the communication passage so as to control communication between the recess and the escape passage to decide the feature of individual shooting, continuous shooting or high speed shooting.

Abstract: A restriction mechanism for a pneumatic nailer includes a secondary valve unit including a second axle with a seal ring mounted thereto and the second axle is movable along a hollow axial passage of the second frame. A second frame includes an annular portion, the hollow axial passage and guide holes. A seal ring is mounted to the annular portion and the second chamber communicates with the hollow axial passage via the guide holes. The seal ring on the second axle removably seals the hollow axial passage to control communication between the second frame and the second axle. The second valve unit has to be pulled before pulling the trigger to shoot the nail. The sequence cannot be reverse so as to form a safety operation mechanism.

Abstract: A nail includes a shank with a head and a tip portion on two ends of the shank. Two guide flanges extend radially outward from the shank and a flexible and deformable sleeve is mounted to the shank and located between the two guide flanges. The nail penetrates an object and defines a hole which is defined by a periphery which cuts into the sleeve so that the nail is cannot be pulled out from the object.

Abstract: A safety link unit of a stapler is movably connected to a barrel of the stapler and a first section of the safety link unit is located beneath the nose portion and a second section of the safety link unit is located beneath the barrel. A trigger has a first end movably connected to the second section of the safety link unit so that the first end of the trigger is moved toward the activation rod of the valve in the handle of the stapler when the safety link unit is pushed against an object. The trigger is then pulled to push the activation rod to introduce pressurized air into the barrel to eject the staples.

Abstract: A safety device for a nailer includes a pushing end located at a first end of the safety device and the pushing end is movably inserted into the nose or the magazine and located beside heads of the nails. A second end of the safety device is biased by a spring and located beside the plate of the trigger unit of the nailer. One of the nails in the passage 40 has its tip extending out from the nose and when the tip is pushed to against the object to be nailed, the nails are shifted a distance and push the pushing end of the safety device to activate the plate of the trigger unit. When the trigger unit is pulled, the valve unit is activated and the nail that contacts against the object is precisely sent into the object.