With Means To Actuate Driver Patents (Class 227/129)
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Patent number: 8047415Abstract: A fastener driving tool arranged to drive fasteners into a workpiece includes a support, at least one wheel movably mounted on the support, a driver arranged to contact and he guided by the wheel when the wheel is in an operative position in use, a nose part retractable relative to the support, and a connection mechanism to operatively interconnect the nose part with the wheel. The tool is arranged such that, in use, the retraction of the nose part causes the connection mechanism to move the wheel from an inoperative position to the operative position. Subsequent forward movement of the driver guided by the wheel toward the nose part causes the operative interconnection between the nose part and the wheel to be broken. Forward movement of the nose part relative to the support, subsequent to the operative interconnection between the nose part and the wheel being broken, causes the operative interconnection between the nose part and the wheel to be re-formed.Type: GrantFiled: May 29, 2009Date of Patent: November 1, 2011Assignee: Black & Decker Inc.Inventors: Michael Kunz, Stefan D. Gensmann, Markus Rompel
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Publication number: 20110259938Abstract: A floating impact apparatus for an electrical nail gun includes a carrier, an impact unit, and a floating unit. The impact unit includes an impact member, and at least one sliding, wheel disposed pivotally on the impact member. The floating unit includes a guiding rod together with the impact member being connected movably to the carrier, two floating members extending through the carrier to connect with the guiding rod at positions proximate to a first side of the carrier, and at least two resilient members disposed between a second side of the carrier and the floating members for biasing the guiding rod and the impact member to move relative to the carrier to thereby maintain contact between the sliding wheel and the first side of the carrier, so as to promote smooth movement and nail-striking force of the impact member.Type: ApplicationFiled: April 25, 2011Publication date: October 27, 2011Applicant: BASSO INDUSTRY CORP.Inventors: Chia-Yu Chien, Chien-Kuo Po, Chich-Ming Fan
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Patent number: 8011547Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.Type: GrantFiled: October 1, 2008Date of Patent: September 6, 2011Assignee: Senco Brands, Inc.Inventors: Richard L. Leimbach, Thomas A. McCardle, Danny L. Bolender, Steve Dickinson, Joseph R. Knueven, Robert L. Lance, Jr., Dan Stolz, Michael V. Petrocelli, Teresa Petrocelli, legal representative
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Patent number: 8011441Abstract: A portable linear fastener driving tool is provided that drive staples, nails, or other linearly driven fasteners. The tool uses a gas spring principle, in which a cylinder filled with compressed gas is used to quickly force a piston through a driving stroke movement, while a driver also drives a fastener into a workpiece. The piston/driver is then moved back to its starting position by use of a rotary-to-linear lifter, and the piston again compresses the gas above the piston, thereby preparing the tool for another driving stroke. The driver has protrusions along its edges that contact the lifter, which lifts the driver during a return stroke. A pivotable latch is controlled to move into either an interfering position or a non-interfering position with respect to the driver protrusions, and acts as a safety device, by preventing the driver from making a full driving stroke at an improper time.Type: GrantFiled: October 1, 2008Date of Patent: September 6, 2011Assignee: Senco Brands, Inc.Inventors: Richard L. Leimbach, Shane Adams, Thomas W. Clark, Michael V. Petrocelli, Teresa Petrocelli, legal representative
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Patent number: 8006879Abstract: A driving piston 4 is provided slidably up and down in a driving cylinder 3 arranged in a tool body 1. By moving a movable sleeve 10 provided at the upper portion of the driving cylinder 3 up and down, the movable sleeve 10 is brought into contact with and separated from the driving cylinder 3 and a cylinder head 8 provided above the driving cylinder 3, whereby a combustion chamber can be opened and closed. Mixture gas obtained by stirring and mixing combustible gas and air together in the combustion chamber by a fan 16 is ignited by an ignition plug 15 disposed at the cylinder head 8 and explosively combusted. By this high-pressure combustion gas, the driving piston 4 is impulsively driven, and a driver 5 coupled to the lower surface side of the driving piston drives nails.Type: GrantFiled: August 13, 2007Date of Patent: August 30, 2011Assignee: Max Co., Ltd.Inventors: Toru Uchiyama, Keijiro Murayama
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Patent number: 7938305Abstract: A fastener driving device including a housing assembly, a nose assembly connected to the housing assembly, and a magazine for carrying a supply of fasteners that are provided to the nose assembly. The fastener driving device also includes a fastener driver and a spring that moves the fastener driver through a drive stroke. A motor and a coupler mechanism is also provided for moving the fastener driver through a return stroke.Type: GrantFiled: May 31, 2007Date of Patent: May 10, 2011Assignee: Stanley Fastening Systems, L.P.Inventors: David Simonelli, Charles W. Hewitt, Keven Miller
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Patent number: 7934565Abstract: A device for impacting a fastener in one embodiment includes a lever arm pivotable between a first position whereat a flywheel is spaced apart from a drive mechanism and a second position whereat the flywheel can contact the drive mechanism, a motor operably connected to the flywheel for storing energy in the flywheel, a trigger sensor assembly for generating a trigger signal indicative of the position of a trigger, a work contact element (WCE) sensor for generating a WCE signal indicative of the position of a WCE, a memory including program instructions, and a processor operably connected to the memory for executing the program instructions to (i) energize the motor based upon the WCE signal, and (ii) pivot the lever arm based upon the trigger signal.Type: GrantFiled: August 14, 2008Date of Patent: May 3, 2011Assignee: Robert Bosch GmbHInventors: Harald Krondorfer, John DeCicco, Eric Hlinka
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Publication number: 20110089217Abstract: A stapling device includes a device body to which a depressing bar is pivotally mounted. Through a link plate, the depressing bar selectively drives a staple striking assembly downward for striking out staples. The depressing bar has a depressing end that is located at the same side as the portion of the device body where the staple striking assembly is mounted. The link plate has an end to which a lifting member that selectively engages and lifts the staple striking assembly is mounted. The staple striking assembly includes a guide board that can be set in engagement with and thus driven by the lifting member. The staple striking assembly, when lifted to a predetermined height level, is released to strike out staples and the lifting member is caused to transversely shift to allow for the instantaneous downward movement of the staple striking assembly for striking out staples.Type: ApplicationFiled: May 3, 2010Publication date: April 21, 2011Inventor: Ton-Yi Chen
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Publication number: 20110084110Abstract: The present invention provides a tag-attaching pin attaching apparatus 20 which having a simple configuration with an easy operation when it is used for attaching a predetermined label 5 to a predetermined good utilizing an tag-attaching pin attaching apparatus with using a tag-attaching pin unit without having any connecting bars.Type: ApplicationFiled: May 27, 2009Publication date: April 14, 2011Applicant: M.I.T. INTERNATIONAL CO., LTD.Inventors: Hideyuki Ueno, Hitoshi Fujiwara
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Patent number: 7922054Abstract: A device for impacting a fastener in one embodiment includes a trigger. A trigger disabling mechanism changeable between a first condition wherein operation of the trigger is not disabled and a second condition wherein operation of the trigger is disabled is also included. The device includes a nose piece configured to change the trigger disabling mechanism from the second condition to the first condition. The nose piece includes including a first nose portion removably coupled to a second nose portion. The first nose portion and the second nose portion define a channel therebetween through which a fastener is driven.Type: GrantFiled: September 23, 2008Date of Patent: April 12, 2011Assignee: Robert Bosch GmbHInventor: Steven Wynne Cole, Jr.
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Publication number: 20110073630Abstract: Contact arms are symmetrically arranged at lateral sides of the drive passage, and contact portions of tips of the contact arms are movable between an ON position and an OFF position along an axis line, which is different from a driving axis line of an ejection exit.Type: ApplicationFiled: September 23, 2010Publication date: March 31, 2011Applicant: MAKITA CORPORATIONInventors: Nobuyuki KAKUDA, Naoharu ISHIKAWA
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Publication number: 20110042438Abstract: An electric stapler is provided with: a driver unit including a driver for striking out a staple to be penetrated through sheets of paper; and a clincher unit including a clincher for bending leg portions of the staple penetrated through the sheets of paper. The driver unit is provided with: a staple storage portion for storing therein a large number of connected staples; a head portion for striking out the staple; a drive portion configured to drive said driver provided slidably in the head portion; and a head raise/lower mechanism configured to relatively move the head portion with respect to the staple storage portion toward the clincher unit to thereby clamp the sheets of paper.Type: ApplicationFiled: July 30, 2010Publication date: February 24, 2011Applicant: MAX CO., LTD.Inventors: Shinpei SUGIHARA, Nobuaki Yagi
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Patent number: 7815088Abstract: A hand-held drive-in tool for driving fastening elements in a workpiece and including a guide (12), a drive-in ram (13) displaceable in the guide (12) for driving a fastening element in, a drive-in unit (30) for driving the drive-in ram (13) and including at least one first drive spring (31) and at least one second drive spring (32) having respectively, opposite first and a second expansion directions (37, 38), and a tensioning device for preloading the drive-in ram (13) and the first drive spring (31).Type: GrantFiled: April 11, 2008Date of Patent: October 19, 2010Assignee: Hilti AktiengesellschaftInventors: Harald Fielitz, Walter Odoni, Robert Spasov
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Publication number: 20100243701Abstract: A lever stapler includes a plastic cover, a pressure plate, a stapling bracket, a staple cartridge, a staple slot, a staple driver, a staple driving shaft, a staple driving spring, a staple plate, a support stand, a base, and a rotating shaft. The pressure plate includes a lever pressing plate disposed thereon, and a rear end of the lever pressing plate is hinged onto the support stand through a fulcrum shaft, and the lever pressing plate further includes a lever shaft contacted with the top of the pressure plate. The lever stapler of the invention enhances the stapling force to achieve the effects of reducing the required force for the stapling and stapling a thick document easily.Type: ApplicationFiled: September 11, 2008Publication date: September 30, 2010Inventor: Bin Yu
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Publication number: 20100237124Abstract: A controller 50 has a single-driving mode/continuous-driving mode changeover switch 233 for performing fastener driving operation in a single driving mode or a continuous driving mode. In a case where the single-driving mode/continuous-driving mode changeover switch 233 instructs a single driving mode, the controller 50 causes a driver blade 3a to perform fastener driving operation when both a trigger switch 5 and a push lever switch 22 are switched, by switching operation, from the one switch status to the other switch status (e.g., the ON status). Consequently, fastener driving operation is made possible regardless of sequence of actuation of the trigger switch 5 and the push lever switch 22.Type: ApplicationFiled: September 14, 2007Publication date: September 23, 2010Inventors: Yukihiro Shima, Masahiro Inaniwa, Hiroyuki Oda, Takashi Ueda, Yoshihiro Nakano
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Patent number: 7789281Abstract: An electric fastener driver having a compact size and simple construction. A driver segment provided with a rack is movably disposed in a housing. A flywheel is driven by a motor. A drive shaft is concentric with and integral with the flywheel. A coil spring is fixed to the drive shaft. A driven rotor is coaxial with the drive shaft and has one end portion serving as a spring seat portion positioned within the coil spring. A pinion is disposed at the driven rotor and is meshedly engaged with the rack. An urging section is disposed within the driven rotor. A ball is movably disposed in a through-hole formed in the driven rotor for urging an end portion of the coil spring by the urging section. A solenoid controls a protruding amount of the ball from the surface of the driven rotor.Type: GrantFiled: September 5, 2006Date of Patent: September 7, 2010Assignee: Hitachi Koki Co., Ltd.Inventors: Hideyuki Tanimoto, Chikai Yoshimizu, Hiroyuki Oda, Toshihito Sakaba, Shinki Ohtsu, Takashi Ueda, Yoshihiro Nakano
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Patent number: 7784661Abstract: An electric stapler includes a stapler main body and a driver assembly which is attachable and detachable with respect to the stapler main body. The driver assembly includes a forming portion having a forming plate for forming a staple into a U shape, a driver portion having a driver plate for striking the U-shaped staple into papers, a slide block portion which slidably guides the driver portion, and a slide guide case portion. The slide block portion, the driver portion and the forming portion are integrally incorporated in the slide guide case portion.Type: GrantFiled: October 3, 2006Date of Patent: August 31, 2010Assignee: MAX Co., Ltd.Inventor: Nobuaki Yagi
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Publication number: 20100213232Abstract: A device for impacting a fastener in one embodiment includes a drive mechanism configured to impact a fastener, a lever arm pivotable between a first position and a second position, and a motor including a plurality of permanent magnets mounted on a rotatable housing, the motor mounted on the lever arm such that when the lever arm is in the first position, the rotatable motor housing is isolated from the drive mechanism and when the lever arm is in the second position, the rotatable motor housing is positioned to transfer rotational energy to the drive mechanism.Type: ApplicationFiled: February 20, 2009Publication date: August 26, 2010Applicants: CREDO TECHNOLOGY CORPORATION, ROBERT BOSCH GMBHInventors: Harald Krondorfer, John DeCicco, Eric Hlinka
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Publication number: 20100213236Abstract: The new invention is a portable electric power tool, specifically directed to driving a fastener into a substrate as an electric motor driven nail gun. It has a bracket, switch, control unit, magazine and nail push system, also a motor which derives its power from a power supply or rechargeable batteries. The motor drive uses a flywheel as a speed reduction mechanism, a main characteristic is that the drive unit of the driving mechanism is connected to a pitman by a pin axis on one end, and connected to the pin axis on the other link which does the arc movement. The other end of the drive unit is connected with a spring and long board to the long slot in a sliding movement. The clutching mechanism of the speed reduction mechanism controls the anvil to do linear movement driven by the rotational motion of the flywheel. The new invention can be slim, simply and easily assembled, and provide a powerful impacting force.Type: ApplicationFiled: February 25, 2009Publication date: August 26, 2010Inventors: Huading Zhang, Qinyao Zhang
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Patent number: 7757922Abstract: A power beating device using includes a driving unit and an actuator. The driving unit has a spring for storing and releasing energy so as to drive an impact unit. The driving unit has at least one driving surface. The actuator serves for actuating the driving surface so that the impact unit is lifted with the driving unit. Deformation of the spring will store energy. When the impact unit is lifted to a predetermined height, it will rest and then the spring will release energy to drive the impact unit to have the effect of beating.Type: GrantFiled: February 4, 2008Date of Patent: July 20, 2010Assignee: Jelley Technology Co., LtdInventor: Feng-Ho Wang
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Patent number: 7712647Abstract: A driving machine includes a cylinder, a piston fitted into the cylinder in a reciprocatingly movable manner, a driver connected to the piston, a bumper provided in the bottom portion of the cylinder, a housing, a return air chamber, a fastening member feed piston movable backward or forward by supplying compressed air within the return air chamber from an air chamber passage hole 9 through air passages and to a fastening member feed cylinder or discharging such compressed air from the fastening member feed cylinder, a return spring for energizing the fastening member feed piston, and a feed pawl mounted on the leading end of the fastening member feed piston. In the driving machine, between the return air chamber and the fastening member feed cylinder, a filter portion is provided having a projection shape and small holes.Type: GrantFiled: March 13, 2008Date of Patent: May 11, 2010Assignee: Hitachi Koki Co., Ltd.Inventor: Isamu Tanji
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Publication number: 20100108738Abstract: Embodiments described herein relate to a stapler that is constructed in a manner such that the handle of the stapler remains at least substantially parallel to the base as the handle is moved downward by a user to actuate a stapling operation. One illustrative embodiment is directed to a stapler movable between a rest position and a staple ejection position that comprises a base, a stapler body, a handle, and a linkage assembly coupled to each of the base and the handle. The stapler body comprises a strike plate, a magazine, and at least one engagement surface coupled to the strike plate. The handle is operable to actuate the strike plate. The linkage assembly comprises at least one linkage member having at least one actuation surface configured to exert a force on the at least one engagement surface as the at least one actuation surface moves along the at least one engagement surface.Type: ApplicationFiled: November 4, 2008Publication date: May 6, 2010Applicant: Staples The Office Superstore, LLCInventors: Jonathan Newman Cedar, Przemyslaw Godycki
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Patent number: 7708177Abstract: A powder-actuated fastener-driving tool includes a barrel unit inserted movably into a housing, a holder disposed movably in the housing, abutting against the barrel unit and having a through hole defined by an inner annular surface, and a spring-loaded firing pin disposed fixedly in the housing, having a free end portion extending into the through hole in the holder, and movable among normal and standby positions, where the firing pin is inclined due to engagement between the free end portion thereof and the shoulder portion of the holder, and a firing position. When a trigger unit mounted on the housing is operated to switch the firing pin from the standby position to the firing position, the free end portion of the firing pin disengages the shoulder portion of the holder to move frontwardly to thereby contact and ignite gunpowder in a chamber in a rear end portion of the barrel unit.Type: GrantFiled: June 12, 2008Date of Patent: May 4, 2010Inventor: Chung-Heng Lee
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Patent number: 7690546Abstract: The present invention is directed to a pneumatic tool actuation device comprising a housing configured to be attached to a pneumatic tool, a piston slidably moveable within a drive chamber formed within the housing and an air inlet chamber formed within housing and configured to accept a pressurized gas and direct it to the drive chamber. The piston further comprises an O-ring disposed in an annular groove formed in the piston and forming a seal between the piston and the drive chamber. The air inlet chamber is operably connected to a hose through which a pressurized gas travels and enters the housing to move the piston. The movement of the piston actuates a trigger located on the pneumatic tool.Type: GrantFiled: August 31, 2007Date of Patent: April 6, 2010Assignee: Illinois Tool Works Inc.Inventor: Genaro O. Cortez
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Publication number: 20100078461Abstract: A stapler gun comprises a main body, a magazine assembly, a seat assembly, a coil spring and a pressing assembly. The magazine assembly is coupled to the main body and includes a slider rail and a nail holder. The seat assembly is slideably disposed along the slider rail. The coil spring includes first and second ends, with the first end of the coil spring is wound in the seat assembly, and with the second end of the coil spring fixed to the slider rail. The pressing assembly is pivotally connected to the seat assembly and abuts with the nail holder. After feeding a plurality of C type nails on the nail holder, the pressing assembly is abutted against the rear one nail of the C type nails for restricting the C type nails on the nail holder.Type: ApplicationFiled: September 30, 2008Publication date: April 1, 2010Inventor: Roger Shen
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Patent number: 7686198Abstract: A bushing for conducting air in a nail gun is arranged between an air chamber and a cylinder received in a housing of the nail gun. The bushing is adjacent to a bottom of a main valve for driving hitting motion of the nail gun. A number of main valve holes that are adjacent to the main valve are formed in a sidewall of the cylinder. At least one air inlet is formed in a bottom of a sidewall of the cylinder. An air flow passage is defined in the housing and is in communication with the main valve and the air hole. A valve plug which is configured for opening or closing the air flow passage is received in the air flow passage. The valve plug divides the air flow passage into an upper portion and a lower portion. The lower portion is formed in the housing. An annular end surface is formed on a top of the bushing. The annular end surface defines a main air inlet for the main valve. An end portion extends from the bushing and having the upper portion of the air flow passage formed therein.Type: GrantFiled: July 25, 2008Date of Patent: March 30, 2010Assignee: De Poan Pneumatic Corp.Inventors: Chia-Sheng Liang, Lun-Hung Kuo
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Publication number: 20100072248Abstract: A nailing force-adjusting device for a pneumatic nail gun includes: a valve seat including a sleeve member sleeved on a cylinder, inner and outer flanges dividing an air-storing space between the cylinder and a gun housing into front and rear storing halves, the sleeve member defining a fluid passage for fluid communication with the rear storing half, the inner flange being formed with a valve opening in fluid communication with the fluid passage; and a sealing body formed with an axial through-hole and rotatable between a blocking position, in which the valve opening is blocked by the sealing body, and an unblocking position, in which the axial through-hole communicates fluidly with the valve opening.Type: ApplicationFiled: September 19, 2008Publication date: March 25, 2010Applicant: Basso Industry Corp.Inventors: Chun-Chi Lai, Jin-Chi Chen
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Publication number: 20100065603Abstract: 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 movably on the support and including a first part and a second part that is coupled movably to the interconnecting part, that defines a driven surface, and that engages threadedly the first part so as to be rotatable relative to the first part and the interconnecting part and therefore to be movable relative to the first part and the interconnecting part, thereby permitting adjustment of the distance between the driving and driven surfaces.Type: ApplicationFiled: September 18, 2008Publication date: March 18, 2010Applicant: BASSO INDUSTRY CORP.Inventor: Angi LIU
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Patent number: 7677425Abstract: 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 mounted in the housing around a first axis and define a plurality of locating formations arranged thereon. An adjustment rod can be operatively coupled for movement with the knob. A lower contact trip can be coupled to the adjustment rod. An indexing member can be movable along a second axis parallel to the first axis. The indexing member can be selectively biased into engagement with one of the locating formations upon rotation of the knob to resist rotation of the knob relative to the housing. Rotation of the knob can cause the contact trip to translate toward and away from the housing to define a desired penetration depth for the fastener.Type: GrantFiled: April 2, 2008Date of Patent: March 16, 2010Assignee: Black & Decker Inc.Inventors: Lee Michael Brendel, Paul G. Gross, James J. Kenny, Larry Eugene Gregory, John E. Buck
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Patent number: 7661569Abstract: A flat-type stapler is provided which can fasten a large number of sheets of paper with a small force and in a smooth fashion. The stapler includes a base portion, a magazine portion, a push-down member, handle supporting members, and a handle portion. The handle portion causes the push-down portion to descend by virtue of the principle of the lever with the handle shaft made to act as a movable fulcrum. A portion of the handle may be used to apply force, and the connecting shaft may be used as a point of action.Type: GrantFiled: April 22, 2008Date of Patent: February 16, 2010Assignee: Plus Stationery CorporationInventor: Takeshi Matsukawa
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Patent number: 7646157Abstract: A method for controlling a driving tool having a power source, a driver, an actuator, a follower, and a control unit. The power source includes a motor and a flywheel that is driven by the motor. The actuator is configured to selectively move the follower to push the driver into frictional engagement with a surface of the flywheel. The control unit is configured to selectively activate the electric motor and the actuator. The control unit includes a speed sensor that is configured to sense a rotational speed of an element of the power source and produce a speed signal in response thereto. The method includes: directly determining a rotational speed of an element in the power source; controlling electrical power provided to the motor based on the rotational speed of the element in the power source to cause the flywheel to rotate at a predetermined speed; and actuating the actuator when a set of actuating criteria has been met, the set of actuating criteria not including a rotational speed of the element.Type: GrantFiled: March 16, 2007Date of Patent: January 12, 2010Assignee: Black & Decker Inc.Inventors: Nathan Cruise, Paul G. Gross, Jeffrey A. Elligson, James J. Kenney
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Patent number: 7644849Abstract: An effort-saving stapler includes a shell, a magazine, a hammer, an elastic element, a block, a trigger and an extensive element. The magazine is disposed in the shell for supporting and feeding nails. The hammer is disposed in the shell for hammering the nails, one at a time. The elastic element is disposed in the shell for biasing the hammer. The block is disposed in the shell. The trigger is movably and pivotally connected to the shell and engaged with the block at an engagement point. The extensive element includes a first end connected to the hammer and a second end telescopically connected to the trigger. When the trigger is operated, the hammer is lifted by the extensive element and the engagement point is moved towards the hammer.Type: GrantFiled: March 15, 2007Date of Patent: January 12, 2010Assignee: Apex Mfg. Co., Ltd.Inventors: Eric Tsai, Pi-Yi Chang, Chih-Wei Hu
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Publication number: 20090261141Abstract: A stapler having ergonomic benefits includes a housing situated along a principal axis. The housing is conformed to include a handle and a head with a staple discharge opening spaced apart from the handle along the principal axis. A generally planar knife is within the head and oriented in parallel to a plane defined by an intersection of the principal axis and a normal axis. A magazine includes a sole at the staple discharge opening. The sole receives at least one first strip of staples. The first strip of staples is aligned such that the bight of a first staple within the strip of staples is parallel to the principal axis and the first strip is aligned with a lateral axis orthogonal to both of the principal and normal axes.Type: ApplicationFiled: April 18, 2008Publication date: October 22, 2009Inventors: Lawrence D. Stratton, Brent LaPorte, Wallace White
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Publication number: 20090230165Abstract: An electric stapler includes a stapler main body and a driver assembly which is attachable and detachable with respect to the stapler main body. The driver assembly includes a forming portion having a forming plate for forming a staple into a U shape, a driver portion having a driver plate for striking the U-shaped staple into papers, a slide block portion which slidably guides the driver portion, and a slide guide case portion. The slide block portion, the driver portion and the forming portion are integrally incorporated in the slide guide case portion.Type: ApplicationFiled: October 3, 2006Publication date: September 17, 2009Applicant: MAX Co., Ltd.Inventor: Nobuaki Yagi
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Patent number: 7584879Abstract: A positioning device for a hand-held setting tool (10) includes a holder (21), a support (22) for the setting tool (10) arranged at an end of the holder and fixedly connected with an elongate support element (23) extending parallel to the longitudinal axis (A) defined by the holder and having, at its end remote from the support, a base part, and a switching device for actuating the actuation switch (13) of the setting tool (10) and including an operating element for actuating the actuation switch (13), and an actuation element (24) arranged radially outwardly of the support element (23) and displaceable axially thereto and connectable with the operating element, with the base part extending beyond the end of the actuation element (24) remote from the support (22).Type: GrantFiled: September 26, 2007Date of Patent: September 8, 2009Assignee: Hilti AktiengesellschaftInventors: Matthias Blessing, Markus Sprenger
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Patent number: 7575142Abstract: A clutch mechanism arranged in a housing of an electrical nail gun includes a sliding base, a driver driven by electricity, a swing base pivotally mounted on the housing, and an electric driver attached to the housing and being adjacent to an end side of the swing base. The sliding base is slidably disposed on an end of a free roller positioned in the housing, and the sliding base loads a spring and forms a hitting nail bar thereon. The driver has a motor and a flywheel driven by the motor, and the flywheel is configured to engage or disengage with/from the sliding base. The swing base is adjacent to the sliding base and the free roller and receives the driver therein.Type: GrantFiled: September 28, 2007Date of Patent: August 18, 2009Assignee: De Poan Pneumatic Corp.Inventors: Chia-Sheng Liang, Chu Hsiang Tseng
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Publication number: 20090194573Abstract: An actuator is arranged in a housing of an electrical nail gun. The actuator includes a sliding base, an external-running brushless direct current motor, a swing base and an electric driver. The sliding base is slidably disposed on an end of a located supporter which is positioned in the housing. The sliding base loads a spring and forms a hitting nail bar thereon. The motor has a stator and a rotator attached on an outer wall of the stator. A flywheel is driven by the motor and is configured to engage or disengage with/from the sliding base. The swing base is pivotally mounted on the housing. The swing base is adjacent to the sliding base and the supporter. The motor is installed in the swing base. The electric driver is attached to the housing and is adjacent to an end side of the swing base. The electric driver has a rod member driven by electricity.Type: ApplicationFiled: February 4, 2008Publication date: August 6, 2009Inventors: CHIA-SHENG LIANG, Chu Hsiang Tseng
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Patent number: 7556183Abstract: A control device for hitting nails of a pneumatic nail gun includes a control valve. The control valve is arranged in a main air flow passage between a trigger of the nail gun and the main air valve. The control valve has valve cover to open or close the main air flow passage. A valve bolt is slidably disposed in the valve cover. The valve bolt can be driven by the high pressure air to move down. A safety slide pole is slidably disposed in a gun body for blocking or releasing the valve bolt to move down. Therefore, a position of the safety slide pole can reflect a height of a work part which to be nailed. The valve bolt can detect the height reflected by the safety slide pole to guide in the high pressure air from the main air flow passage to hit nails. Thus, the controlling stability is enhanced. The components are also simplified.Type: GrantFiled: February 4, 2008Date of Patent: July 7, 2009Assignee: De Poan Pneumatic Corp.Inventors: Chia-Sheng Liang, Ti-Tsung Wu
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Publication number: 20090152318Abstract: A flat-type stapler is provided which can fasten a large number of sheets of paper with a small force and in a smooth fashion. The stapler includes a base portion, a magazine portion, a push-down member, handle supporting members, and a handle portion. The handle portion causes the push-down portion to descend by virtue of the principle of the lever with the handle shaft made to act as a movable fulcrum. A portion of the handle may be used to apply force, and the connecting shaft may be used as a point of action.Type: ApplicationFiled: April 22, 2008Publication date: June 18, 2009Applicant: Plus Stationary CorporationInventor: Takeshi MATSUKAWA
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Publication number: 20090127312Abstract: A stapler includes an adjustable firing apparatus for using staples/nails in various sizes that directs toward simplifying the operation of switch between different staples/nails. The adjustable firing apparatus of the stapler includes an adjusting means and a rotation engaged member having a first and a second engaged portions. The adjusting means can be used to adjust the distance between the adjusting means and the front of a magazine assembly of the stapler for adapted to staples/nails in various sizes.Type: ApplicationFiled: August 1, 2008Publication date: May 21, 2009Inventor: Eric Tsai
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Patent number: 7506788Abstract: A transmission mechanism for an electrical nail gun includes a rotary transmission unit and a linear transmission unit in a housing of the electrical nail gun. The rotary transmission unit includes a motor driven by electricity, a flywheel driven by the motor and extending to form a cylinder thereon, a solenoid activated by electricity, and a moveable driving wheel adjacent to an end side of the cylinder. A clutch is formed between the cylinder and the driving wheel. The solenoid is buried in the cylinder so that a magnetic conductivity loop is constructed around the solenoid to produce the magnetic field when the solenoid is activated.Type: GrantFiled: September 28, 2007Date of Patent: March 24, 2009Assignee: De Poan Pneumatic Corp.Inventors: Chia-Sheng Liang, Chin-Lung Chang, Chu-Hsiang Tseng
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Publication number: 20090072004Abstract: A device for applying insulated fasteners to a substrate is disclosed. The device comprises a housing that includes a fastener recess and an ejection recess, and the fastener recess is configured to accommodate insulated fasteners. The device further comprises a powered actuator that includes an ejection member that moves over a range of positions. The ejection member permits one of the insulated fasteners to enter the ejection recess in a retracted position, and the ejection member forces the one of the insulated fasteners to leave the ejection recess in an extended position. A power connector operatively connects the powered actuator to a power source to provide power to move the ejection member. A manual actuator is operatively disposed between the power source and the powered actuator to selectively provide power from the power source to the powered actuator.Type: ApplicationFiled: September 15, 2008Publication date: March 19, 2009Inventors: Patrick J. Radle, Austin R. Braganza
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Publication number: 20090057366Abstract: A fastening tool can include a housing comprising a nosepiece and a handle. The handle can define a first longitudinal axis. A magazine can be connected to the housing for storing a fastener. The magazine can define a second longitudinal axis that is substantially parallel to the first longitudinal axis and a fastener channel for receiving a fastener. The magazine can be movable relative to the housing between an alignment position wherein the distal tip of the fastener engages a workpiece and an activation position wherein the magazine moves toward the housing upon movement of the handle toward the workpiece. A driving mechanism can be disposed within the housing for driving the fastener into a workpiece. A trigger assembly can be coupled to the housing for activating the driving mechanism upon actuation of a primary trigger and movement of the magazine into the activation position.Type: ApplicationFiled: August 11, 2008Publication date: March 5, 2009Inventor: C. Kerwin Braddock
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Publication number: 20090050669Abstract: The mid-zone pressing tool has a base and a pressing assembly, which are pivotally connected at the rear by a transverse shaft. A pair of cantilevers extends forward from each side of an uppermost rear portion of the base. A pair of arms is connected on the distal ends by a common handle. A first coupling connects a middle portion of each arm to the pressing assembly by an axle, cam or link. A second coupling connects the proximal ends of each arm to the cantilever by an axle, cam or link. Pushing the handle down pivots the arms, engages the couplings, and transmits a concentrated downward force to the front of the pressing assembly. The cantilevers allow a range of coupling placements, including near the middle of the pressing tool. The couplings are optionally releasable.Type: ApplicationFiled: August 21, 2007Publication date: February 26, 2009Inventor: William Carlton Zolentroff
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Patent number: 7484647Abstract: A nail gun has a body, a breach assembly, a triggering device, a safety assembly and a magazine. The safety assembly has a safety lever and an activating beam, both of which are required to be activated to selectively engage the triggering device to allow the nail gun to perform a nailing cycle. When the nail gun is operated incorrectly, the safety assembly does not engage the triggering mechanism so the nail gun is prevented from performing the nailing cycle. The magazine is mounted in the breach assembly and feeds fastening devices into the breach.Type: GrantFiled: June 4, 2007Date of Patent: February 3, 2009Assignee: Testo Industry Corp.Inventor: Brad Yang
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Publication number: 20090014496Abstract: A staple storage cassette, comprising a staple assembly slidably installed on a cassette rail member across a pair of guide rails vertically formed parallel with each other, a feeder slidably brought into contact with the rear end part of the staple assembly, and a cassette cover member forming a passage in which staples and the feeder are inserted. A stopper is installed and a blade guide hole is formed at the front end part of the cassette cover member, and engagement recessed parts engaged with the elastically engaged claw pieces of the feeder in one direction are continuously formed in the inner surface of the cassette cover member in the longitudinal direction so that the feeder can be moved in the forward direction only.Type: ApplicationFiled: March 30, 2005Publication date: January 15, 2009Inventor: Michihito Kumayama
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Patent number: 7475800Abstract: A nail gun includes an air chamber, a main air passage, and a trigger valve with a valve body is disposed between the air chamber and the main air passage. The trigger valve includes a valve bar, an air exhausting passage an air guiding passage and a stopper. The stopper divides the valve body into an upper air chamber and a bottom air chamber. The upper air chamber is connected with the air chamber via the air guiding passage. The bottom air chamber is connected with the upper air chamber via at least one connecting passage disposed in the upper bar portion.Type: GrantFiled: May 1, 2007Date of Patent: January 13, 2009Assignee: DePoan Pneumatic Corp.Inventor: Chia-Sheng Liang
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Publication number: 20080302848Abstract: A pneumatically operated stapler that has a single selectively operable adjuster operatively associated with a staple leg diverter. The single selectively operable adjuster is constructed and arranged to be adjusted within a range of leg deflecting positions to affect the lateral movement of the staple leg diverter. The different leg deflective positions effects an amount to which the diverter will deflect the legs of the driven staple during a drive stroke. A single operation of the single selectively operable adjuster both moves the adjuster and retains the adjuster in an adjusted position within the range of leg deflecting positions.Type: ApplicationFiled: August 11, 2008Publication date: December 11, 2008Applicant: STANLEY FASTENING SYSTEMS, L.P.Inventors: Juan Ignacio Aguirre, Prudencio S. Canlas, JR.
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Publication number: 20080290129Abstract: A fastener tool includes a housing comprising a nosepiece and a magazine connected to the housing for storing a fastener. A driving mechanism is disposed within the housing for driving the fastener into a workpiece. A trigger assembly is pivotally attached to the housing for activating the driving mechanism. A nosepiece cover is pivotally attached to the nosepiece. A latch is pivotally attached to the nosepiece cover. A latch wire is pivotally attached to the latch for engaging at least one hook disposed on the nosepiece. The latch wire has a portion extending between the latch and the hook, the portion having at least two bends.Type: ApplicationFiled: November 16, 2007Publication date: November 27, 2008Inventors: Craig A. Schell, Ashok S. Baskar, Keven E. Miller, Thomas E. Miller, Charles R. Frohlich, III, John E. Buck, Andrzej R. Wojcicki, Glen V. Steinbrunner
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Publication number: 20080257933Abstract: It is an object of the present invention to increase durability of a driving tool. A representative driving tool comprises an elongated operating member that drives in a driving material and a drive mechanism that drives the operating member. The drive mechanism comprises a rotating flywheel and the flywheel includes an inner wheel and an outer wheel which are concentrically disposed to each other. The inner circumferential surface of the outer wheel is fitted on an outer circumferential surface of the inner wheel. The outer circumferential surface of the outer wheel directly contacts the operating member and thus, the rotational force of the flywheel is transmitted from the inner wheel to the operating member via the outer wheel and the drive mechanism linearly moves.Type: ApplicationFiled: December 10, 2007Publication date: October 23, 2008Applicant: MAKITA CORPORATIONInventors: Yuji Takahashi, Shinji Hirabayashi