Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8104659 | Electromagnetic stapler with a manually adjustable depth adjuster An electromagnetic stapler includes a driver for driving fasteners into a workpiece, and a solenoid for providing power to the driver. The solenoid has a coil, and a core that is operatively connected to the driver. The stapler also includes a manually adjustable de... | 01/31/2012 |
| 7874469 | Nailing depth adjustable device for a nail gun A nailing depth adjustable device for a nail gun includes: a barrel-extending part mounted slidably on a barrel; an interconnecting part extending from the barrel-extending part and defining a driving surface; a support; and a telescopic adjusting unit mounted movab... | 01/25/2011 |
| 7431187 | Nailer A wrenching portion provided in an adjuster and employed for assembling is formed at a gripping portion for rotation. The gripping portion is formed in a polygonal shape. In this configuration, the adjuster is decreased in size and weight and its operability of adju... | 10/07/2008 |
| 7427008 | Depth adjusting device for a power tool A fastening tool can include a housing and a motor assembly in the housing. The motor assembly can include an output member and a motor for translating the output member. A knob can be rotatably coupled to the housing and include a first surface. An adjustment eleme... | 09/23/2008 |
| 7413103 | Dry firing prevention device for nail gun The present invention refers to a dry firing prevention device, especially for use in a nail gun with a drawer type magazine, in which the main body of the nail gun is equipped with a safety apparatus and a dry firing prevention device near a trigger. The dry firing... | 08/19/2008 |
| 7341172 | Tool-less rotatable depth adjustment for fastener-driving tool An adjustable depth of drive assembly for use with a fastener driving tool includes a workpiece contact element having a contact end and an adjustment end, a rotatable adjustment member configured for being securable to the tool and being displaceable between an adj... | 03/11/2008 |
| 7318546 | Adjustable depth-of-drive mechanism for a fastener driving tool An adjustable depth-of-drive mechanism for a fastener driving tool having a housing structure defining an axis, and a nosepiece extending generally axially from the housing structure, includes a lower work contact element having a sleeve for reciprocatingly receivin... | 01/15/2008 |
| 7316342 | Nailing depth control structure for a palm nailer The nailing depth control structure for a palm nailer is mounted at the hammering head of the palm nailer. The control structure includes a control block with several steps, a cylinder base, a flexible pipe fitted internally with an anchoring position, a resilient c... | 01/08/2008 |
| 7316341 | Adjustable exhaust assembly for pneumatic fasteners An adjustable exhaust assembly for a pneumatic fastener includes a base, which includes a base plate and a protrusion protruding from the base plate. The protrusion is centrally hollow and includes an inner surface and an outer surface. The base plate includes an in... | 01/08/2008 |
| 7308995 | Nailing machine A nailing machine includes a switch operating member 40 for setting to switch respective modes of single striking and continuous striking, and pivot restricting mechanism for restricting a contact lever 34 for operating a valve stem 19 of a star... | 12/18/2007 |
| 7299961 | Device for controlled depth riveting An adjustable depth control device for a fastener driving tool has an attachment member which is used to couple the adjustable depth control device to the fastener driving tool. An adjustment member is coupled to the attachment member to adjust and control a driving... | 11/27/2007 |
| 7287681 | Palm nailer A palm nailer includes a main body, a rotating table mounted on the main body, a mounting seat mounted on the rotating table to connect with a nail magazine. The mounting seat and the nail magazine can rotate with the rotating table. A brake lever is pivotally engag... | 10/30/2007 |
| 7278561 | Oil free head valve for pneumatic nailers and staplers The present invention provides a head valve assembly for a pneumatic fastener including a piston assembly reciprocated within a cylinder assembly for driving a fastener and a housing having an end cap for at least partially enclosing the head valve assembly. The hea... | 10/09/2007 |
| 7228997 | Nailing chuck An apparatus nails a plurality of cross members to an underlying stringer to produce a pallet. The carriage moves in a continuous motion without stopping over the cross members until the cross members are nailed to the stringer. The carriage includes at least one na... | 06/12/2007 |
| 7213732 | Contact trip mechanism for nailer A contact trip assembly for a power nailer, wherein a contact member includes a curved portion that loops rearwardly towards a handle of the nailer. Also provided is an adjustment assembly including an adjustment plate and a pinion gear, a trigger that is slidably e... | 05/08/2007 |
| 7213733 | Nail gun switch mechanism for switching dual actuation modes A nail gun switch mechanism has a trigger valve bar received in a trigger of the nail gun; a trigger lever pivotally disposed on the trigger; a safety slidable bar pivotally disposed on a gun body; a longitudinal guiding hole formed at a peripheral side of the gun b... | 05/08/2007 |
| 7191927 | Fastener-driving tool having trigger control mechanism for alternatively permitting bump firing and sequential firing modes of operation A fastener-driving tool has a trigger control mechanism that comprises a vertically oriented selectable mode pushrod that is adapted to be rotated to either one of two predetermined positions or states. When the vertically oriented selectable mode pushrod is dispose... | 03/20/2007 |
| 7182237 | Combustion type power tool having segmental connection unit A combustion type power tool providing enhanced workability and improved material yieldability. A combustion chamber frame is slidably movably disposed in a housing. A push lever is slidably movably supported to a nose extending from a lower end portion of the housi... | 02/27/2007 |
| 7152380 | Apparatus and method for repairing popped wallboard nails An apparatus and a method for repairing nail pops in a wallboard is disclosed. The apparatus can be placed In a first state in which it acts as a cutting tool and can be used to cut a bore hole into a wallboard to separate a popped nail from the wallboard. The appar... | 12/26/2006 |
| 7140524 | Nailing machine with a safety mechanism The nailing machine with safety mechanism is located between fastener and nailing part of nailing machine. The safety mechanism includes an adjustable shelf, which shifts recurrently within a limited range. The first end of adjustable shelf is linked to the fastener... | 11/28/2006 |
| 7137540 | Dual mode pneumatic fastener actuation mechanism A contact safety and trigger mechanism for use with a pneumatic fastener in order to permit efficient pneumatic fastener actuation mode selection. A rotating rod is included in a contact safety assembly which is constructed to slide toward/away from a driver housing... | 11/21/2006 |
| 7118020 | Stapler A stapler is provided for stapling decorative staples into a sheet media, where the decorative staples have an indicia platform and a plurality of prongs. The stapler includes a base and a cartridge assembly pivotably mounted to the base. The cartridge assembly has ... | 10/10/2006 |
| 7097084 | Adjustable device for adjusting safety device of power nailers An adjusting device for a power nailer includes a connection member connected to the barrel of the nailer and the trigger and an adjusting bolt are respectively connected thereto. The adjusting bolt is threadedly connected to the connection member and an end of the ... | 08/29/2006 |
| 7070079 | No-mar tip for fastening tool A novel work contact or no-mar tip for mounting to a drive probe of a fastening tool having a driver blade for driving a fastener into a workpiece is provided having a pair of wings having resilient contact surfaces for contacting the workpiece, the wings forming a ... | 07/04/2006 |
| 7070081 | Driver guides for use with fastener-driving tools and fastener-driving tools having such driver guides A driver guide for use with a fastener-driving tool has a first guide member mounted to the tool body of the fastener-driving tool. A mount device is coupled to the first guide member and serves to mount a second guide member to the first guide member. A fastener gu... | 07/04/2006 |
| 7066371 | Nail gun depth control spacer A nail gun and depth control spacer assembly for ejecting nails into a substrate which contains two or more layers of roofing materials one of which is a compressible fibrous layer. The nails penetrate the substrate but are prevented by the depth control spacer from... | 06/27/2006 |
| 7055728 | Positioning structure for nailer The present invention relates to a positioning structure for a nailer capable of adjusting the position of the nailer arbitrarily. In the rail of magazine is slidably provided an adjusting member whose lateral side is disposed an engaging paw against which a spring ... | 06/06/2006 |
| 7055729 | Tool-free depth-of-drive adjustment for a fastener-driving tool An adjustable depth of drive assembly for use with a fastener-driving tool includes a workpiece contact element having a contact end and an adjustment end, at least one stop configured for being secured to the tool and being normally moveable between an adjusting po... | 06/06/2006 |
| 7032797 | Punching-depth adjusting device for use with a nailing gun A punching-depth adjusting device for use with a nailing gun is adapted to cooperate with the conventional connecting device and has a scale sleeve (16), a sleeve (14), and a resilient C-ring (12). The scale sleeve (16) has an outer perip... | 04/25/2006 |
| 7021514 | Apparatus and method to indicate required compressor pressure for use with pneumatic tool device An apparatus which enables a user of a pneumatic tool device, such as a nail gun, to determine the required compressor pressure needed to most effectively utilize the pneumatic tool device and maximize the life of the tool. A compressor pressure indication assembly ... | 04/04/2006 |
| 6988648 | Adjustable depth of drive device An adjustable depth of drive device for use on a fastener driving tool. The adjustable depth of drive device includes a thumb post which is mounted to, and extends from a work piece contact element of the tool. Also included is a thumb wheel which is removably attac... | 01/24/2006 |
| 6974062 | 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 p... | 12/13/2005 |
| 6959850 | Tool-less depth adjustment for fastener-driving tool An adjustable depth of drive assembly for use with a fastener driving tool includes a workpiece contact element having a contact end and an adjustment end, a cage stop securable to the tool and being movable between an adjusting position in which the workpiece conta... | 11/01/2005 |
| 6948646 | Nailer having safety switch function A nailer includes a gun body, a safety lever, a push device, and a contact trigger device. The push device includes an urging member, and a torsion spring, and the contact trigger device includes a mounting member, an O-ring, an elongated contact member, and an elas... | 09/27/2005 |
| 6942135 | Nail gun depth control spacer A nail gun and depth control spacer assembly for ejecting nails into a substrate which contains two or more layers of roofing materials one of which is a compressible fibrous layer. The nails penetrate the substrate but are prevented by the depth control spacer from... | 09/13/2005 |
| 6929165 | Pneumatic nail gun A pneumatic nail gun has a body, a nail magazine, an actuating device, a trigger assembly and a push bar assembly. The body has a housing, a handle and a nail firing device. The actuating device is mounted between the housing and the handle. The actuating device has... | 08/16/2005 |
| 6902093 | Centering punch A centering punch includes a first body, a second body, a punching head, an elastic body, an elastic member, a push member, and a spring. Thus, the tapered portion of the punching head is moved along the tapered face of the first body, and the punching head is moved... | 06/07/2005 |
| 6896168 | Framing point driver system A framing point driver system for efficiently driving various framing points into a picture frame. The framing point driver system includes a lever unit, a turret member with a plurality of receiver apertures rotatably attached to the lever unit, a shaft member exte... | 05/24/2005 |
| 6883696 | Depth adjustment mechanism A fastening tool with a housing, a nosepiece that is coupled to the housing and a contact trip that includes a lower contact trip, an upper contact trip and a depth adjustment assembly. The lower contact trip is mounted on the nosepiece for translation between an ex... | 04/26/2005 |
| 6866177 | Depth control device for a fastener driving tool A depth control device includes a linkage connected to and movable with a contact element of a driving tool. A cam follower is connected to the linkage so as to be movable together therewith between first and second longitudinal positions relative to a cam when the ... | 03/15/2005 |
