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| Number | Title | Issue Date |
| 6662990 | Buffer apparatus of electrical nailing gun A buffer apparatus of a nailing gun, which controls the air flow in and out a chamber of a main body of the nailing gun, reduces the vibration of the nailing gun when nailing. The air will flow in with a larger rate and will flow out with a smaller rate, ... | 12/16/2003 |
| 6659324 | Single-firing trigger mechanism for a nailing machine The invention relates to a single-firing trigger mechanism for a nailing machine with a receptacle for receiving a swiveling element pivotably on a second positioning shaft. The other end of the swiveling element with a torsion spring is pivotally connect... | 12/09/2003 |
| 6655570 | Constant volume valve for a combustion powered tool A constant volume metering chamber and valve assembly for use with a pressurized fluid supply containing a fluid is described for use in a power fastening tool. The assembly includes a first spring-biased valve and a second spring-biased valve. There is a... | 12/02/2003 |
| 6651863 | Cap assembly for covering an air release opening in a housing of a nail driving gun A cap assembly for a nail driving gun includes a cylindrical body mounted detachably on an open end of a gun housing. The cylindrical body includes a first flange that defines an inner space and that is formed with an external thread engaging threadedly t... | 11/25/2003 |
| 6648202 | Pneumatic fastening tool A pneumatic fastening tool assembly that employs an engine having a sliding sleeve arrangement to control the supply of air to and exhaust from the pneumatic engine. The sliding sleeve arrangement eliminates the need for a conventional main valve and ther... | 11/18/2003 |
| 6641018 | Nail gun with safety portion mechanism for preventing misfires A nail gun has a free end 19a and central potion of a trigger arm 19 positioned within a trigger 11, on an upper end 12a of a safety portion 12 and at a plunger 17, respectively. When the trigger 11 is pivoted on its pivot end 16, pivoting movement of the... | 11/04/2003 |
| 6626344 | Fuel cell adapter system for combustion tools A fuel cell adapter system for a combustion tool which includes a housing enclosing a fuel metering valve. The fuel cell is provided with an adapter having a generally cylindrical nozzle and a base configured for engagement upon the fuel cell. The nozzle ... | 09/30/2003 |
| 6626081 | Air-seal structure for pneumatic nailers An air-seal structure for pneumatic nailers includes a valve member movably engaged with the end cap of the nailer and a plurality of paths defined radially through a skirt portion of the valve member. The paths are in communication with air release passa... | 09/30/2003 |
| 6622802 | Fastener installation tool and methods of use A fastener installation tool to install fasteners, such as rivets, risers, standoffs, and other types of fasteners operates upon vacuum and air pressure. Fasteners are installed with minimal reactive forces to the operator's hand, thus reducing the risk o... | 09/23/2003 |
| 6612476 | Fastener driving tool with modular construction A fastener driving tool includes a housing enclosing a fastener driving portion and a handle connected to the fastener driving portion. A pair of clamshells is configured to form an ergonomic grip over the handle and also forming a fastener magazine, such... | 09/02/2003 |
| 6604664 | Safe trigger with time delay for pneumatic fastener driving tools A pneumatic fastener-driving tool is disclosed wherein not only rapid-fire bump-firing or trigger-firing modes of operation are permitted wherein either one of the trigger member and workpiece contact element components can be depressed before the other o... | 08/12/2003 |
| 6598775 | Hammer head assembly for power hammer A hammer head assembly used in a power hammer for driving a nail into objects to be fastened is constructed to include a nail holder axially slidably mounted in a hollow mounting base and forced out of the bottom side of the mounting base by a spring memb... | 07/29/2003 |
| 6592014 | Lockout mechanism for fastener driving tool A lockout mechanism for a fastener driving tool having a magazine for storing and sequentially urging fasteners toward a nosepiece through which a driver blade impacts and drives the fasteners into a workpiece, the lockout mechanism is configured for prev... | 07/15/2003 |
| 6588642 | Single and automatic trigger device for staplers A trigger device for staplers includes a trigger pivotably connected to a stapler body and an opening is defined through the trigger. A cam device is rotatably engaged with the trigger and a lower end of an activating member is connected to the cam device... | 07/08/2003 |
| 6585142 | Hammer head assembly used in an air nailing gun for driving U-nails A hammer head assembly installed in an air nailing gun to guide a striking rod to drive a U-nail into a wooden material to fix a cord member to the wooden material is constructed to include a hollow mounting base fastened to the air nailing gun, a sliding... | 07/01/2003 |
| 6581814 | Single/continuous dual firing mode trigger structure for air nailing gun A single/continuous dual firing mode trigger_structure used in an air nailing gun for single/continuous firing control in which a switching mechanism is provided in the trigger and adapted to selectively control the operation of the trigger between a sing... | 06/24/2003 |
| 6572000 | Driving tool In a driving tool, an air tank 103 is coupled via a pressure reducing valve 104 to a rear end of a handle portion 102 which is disposed substantially perpendicularly to an approximately cylindrical output section 101, and the air tank 103 is configured by... | 06/03/2003 |
| 6533156 | Pneumatic nail gun A pneumatic nail gun includes a passage defined through the end cap and the passage communicates with a space between the cylinder in the body of the gun and an inside of the body. The cylinder has an opening which communicates with the space so that when... | 03/18/2003 |
| 6520397 | Combustion powered tool with improved combustion chamber fan motor suspension A suspension mechanism for mounting a combustion chamber fan motor in a combustion powered hand tool including a flexible rubber web secured between a motor retaining ring and a cylinder head mounting bracket. The suspension mechanism is tuned for at leas... | 02/18/2003 |
| 6505767 | Combustion-engined tool having a braking device for its piston A portable, internal combustion-engined tool includes a combustion chamber (1), a piston (8) adjoining the combustion chamber (1), with a pressure build-up in the combustion chamber (1) providing for movement of the piston (8) from its initial position, i... | 01/14/2003 |
| 6502736 | Holder for a drive piston of a setting tool A piston holder for drive piston (8) of a setting tool and including at least one friction member for applying pressure to a circumferential surface of the drive piston and having an adjusting surface (17, 24) remote from the drive piston (8) and rising t... | 01/07/2003 |
| 6499643 | Drive channel for nailer A fastening device for driving a fastener into a workpiece by effecting multiple blows upon the fastener comprises a housing and a striker assembly movably mounted within the housing. The striker assembly includes a driver assembly adapted to strike the f... | 12/31/2002 |
| 6488195 | Multi-stroke fastening device A multi-stroke fastening device comprising a housing, a fastener drive track carried by the housing, a striker assembly guide track mounted within the housing, a striker assembly mounted in slidable relation within said guide track, a power drive assembly... | 12/03/2002 |
| 6481612 | Fastening device delivery tool with perpendicular ram driven by a repeatable arcuate force member A delivery tool is provided for driving fastening devices, for example, U-shaped fastening devices which mount tubing to a surface. The delivery tool has a pivoting structure, including a driving member and a base member. The delivery tool includes a mova... | 11/19/2002 |
| 6481609 | Holder for a drive piston of a setting tool A piston holder for a drive piston of a setting tool and including at least one clamp member (18; 24; 25; 36; 39; 40; 52; 58) that is constantly non-rigidly pressed against a circumference of the drive piston (8), and elements for supporting the at least ... | 11/19/2002 |
| 6481608 | Power force adjustment for a setting tool A power force adjustment for a setting tool has a housing (1), a mechanism for adjustment of power force using a adjustment wheel (13) rotatable around an axis (12) and a lever (5) pivotally movable around a pivot axis, the lever preventing any movement o... | 11/19/2002 |
| 6450387 | Nail-driving gun with safety device A nail-driving gun includes a gun body that has a handle and a nail-shooting seat. A safety device includes an upper plate, a lower plate, and a safety rod. The upper and lower plates can move synchronously between top and bottom plates of the nail-shooti... | 09/17/2002 |
| 6450389 | Stapler device A stapler device for stapling corners of objects such as boxes and frame together. The stapler device includes an elongate support member having a generally flat bottom side, a top side, a front end and a back end; and also includes a lever assembly havin... | 09/17/2002 |
| 6431429 | Fastener driving device with enhanced adjustable exhaust directing assembly A fastener driving device includes a frame structure providing a handle portion and an adjustable annular exhaust air directing member mounted on the frame structure. The exhaust air directing member allows air displaced during the operation of the device... | 08/13/2002 |
| 6431428 | Pneumatic nail gun A pneumatic nail gun has a body, a handle extending from one end of the body, a barrel mounted on the other end of the body, a magazine pivotally connected to the barrel and assembly for positioning the magazine arranged in the body. With such a pneumatic... | 08/13/2002 |
| 6431425 | Pneumatic fastener driving tool and an electronic control system therefore An electronically controlled pneumatic fastener driving tool. The tool is of the type having a body containing a cylinder with a piston/driver assembly therein, a firing valve actuable to introduce high pressure air into the cylinder to cycle the piston/d... | 08/13/2002 |
| 6422446 | Adjusting apparatus of a trigger of a pneumatic nailer The present invention relates to an adjusting apparatus of a trigger of a pneumatic nailer comprising a gun body whose trigger assembly includes a primary trigger and a secondary trigger. A safety inflection arm presses against the secondary trigger. At l... | 07/23/2002 |
| 6419141 | Top cap of power nailers A top cap of a power nailer includes two annular flanges in the interior of the top cap and an annular space is defined between the two flanges. A piston is movably received in the top cap and a tubular body of the piston is movably engaged with the annul... | 07/16/2002 |
| 6419140 | Nail-driving gun having a single shot operation and a continuous shooting operation which can be selected by controlling acutation order of two members A nail-driving gun includes a safety rod disposed movably on a front end of a barrel, and a trigger member disposed movably on a handle. Upon actuation of the safety rod and the trigger member, the barrel shoots a nail therefrom. When the safety rod is pr... | 07/16/2002 |
| 6394332 | Nail gun with safety portion mechanism for preventing misfires A nail gun has a free end 19a and central potion of a trigger arm 19 positioned within a trigger 11, on an upper end 12a of a safety portion 12 and at a plunger 17, respectively. When the trigger 11 is pivoted on its pivot end 16, pivoting movement of the... | 05/28/2002 |
| 6382492 | Pneumatic fastener driving tool and an electric control system therefore An electronically controlled pneumatic fastener driving tool. The tool is of the type having a body containing a cylinder with a piston/driver assembly therein, a firing valve actuable to introduce high pressure air into the cylinder to cycle the piston/d... | 05/07/2002 |
| 6371348 | Fastener driving device with enhanced sequential actuation A fastener driving device including a sequential activating arrangement in which an enabling member has one end pivotally connected to a trigger member, an opposite end operatively associated with an upper end of an upper structure of a work contact assem... | 04/16/2002 |
| 6364192 | Device for preventing action rod of nailer from descending A nailer includes a casing and a piston rod extends through a neck of the casing. A sleeve is connected to the neck and a passage is defined longitudinally through the sleeve so that the piston rod is movably inserted into the passage. A slot is defined t... | 04/02/2002 |
| 6357534 | Battery pack latching assembly for fastener driving tool A battery pack latching or locking mounting system comprises a battery case, a cell pack disposed within the battery case, a battery cap or end closure, and a spacer which is longitudinally interposed between the cell pack and the battery cap or end closu... | 03/19/2002 |
| 6318615 | Internal combustion powered tool An internal combustion powered tool, such as a nail or fastener driver, and a control system, spark source, and rotary valve for use in an internal combustion powered tool are disclosed. The tool may include, for example, a cylinder and a piston reciproca... | 11/20/2001 |
