EP1504850A2 - Pistolet à clouer - Google Patents

Pistolet à clouer Download PDF

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Publication number
EP1504850A2
EP1504850A2 EP04016132A EP04016132A EP1504850A2 EP 1504850 A2 EP1504850 A2 EP 1504850A2 EP 04016132 A EP04016132 A EP 04016132A EP 04016132 A EP04016132 A EP 04016132A EP 1504850 A2 EP1504850 A2 EP 1504850A2
Authority
EP
European Patent Office
Prior art keywords
slider
gear wheel
work chamber
drive gear
nailing gun
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04016132A
Other languages
German (de)
English (en)
Other versions
EP1504850A3 (fr
Inventor
Pei-Chang Sun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Modern Pioneer Ltd
Original Assignee
Modern Pioneer Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/636,537 external-priority patent/US6899260B2/en
Application filed by Modern Pioneer Ltd filed Critical Modern Pioneer Ltd
Publication of EP1504850A2 publication Critical patent/EP1504850A2/fr
Publication of EP1504850A3 publication Critical patent/EP1504850A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/10—Driving means
    • B25C5/15—Driving means operated by electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power

Definitions

  • the present invention relates generally to a rechargeable nailing gun and, more particularly, to such a rechargeable nailing gun, which increases the impact stroke without increasing the dimension of the housing.
  • the nail striking action of a conventional rechargeable nailing gun is achieved by starting a motor, causing the output shaft of the motor to rotate a transmission gear to move a slider.
  • the slider has a protruding block.
  • a protruding block of the transmission gear is forced into contact with the protruding block of the slider to push the slider to a position far from the muzzle of the barrel of the nailing gun, and at the same time a spring member is compressed by the slider.
  • an induction switch is triggered to turn off the motor, and the spring member returns to its former shape and to push the slider toward the muzzle of the barrel, causing the driving tip which is fastened to the front side of the slider to drive the nail into the workpiece.
  • the present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a nailing gun, which increases the impact stroke of the nailing mechanism.
  • the nailing gun comprises a housing having a receiving chamber and an elongated work chamber; a nail magazine fastened to the housing; a gun barrel fixedly connected to a front end of the nail magazine corresponding to the work chamber; a transmission mechanism mounted in the receiving chamber inside the housing and having an output shaft; a drive gear wheel fixedly mounted on the output shaft for synchronous rotation and having a first driving element; a driven gear wheel rotatably meshed with the drive gear wheel and having a second driving element; and a nail driving unit mounted in the work chamber inside the housing and having a nail driving tip movable between the gun barrel and the work chamber, a slider movable between a first position and a third position through a second position in between the first position and the third position inside the work chamber, the slider having a first stop means for pushing by the first driving element to move the slider from the first position to the second position during rotary motion of the drive gear wheel, a second stop means for pushing by the second driving element to move the slider from the second position
  • a nailing gun 100 is shown comprised of:
  • the nail driving unit 50 is comprised of a nail driving tip 51 , a slider 52 , and a biasing member, for example, a spring 53 .
  • the nail driving tip 51 is movable between the nail slot 171 of the gun barrel 17 and the work chamber 13 , having a mounting hole 511 in one end.
  • the slider 52 is a block member having two longitudinal rails 521 symmetrically located on the top and bottom sides and respectively coupled to the sliding grooves 14 in the work chamber 13 inside the housing 10 to guide linear movement of the slider 52 along the sliding grooves 14 , a front pin 522 fastened to the mounting hole 511 of the nail driving tip 51 (see also FIG. 3), a recessed hole 523 in the rear side, and first and second stop means, namely, the upper stop block 524 and the lower stop block 525 in an upper part and a lower part of one side facing the locating plate 15 . Further, there is an elevational difference H between the upper stop block 524 and the lower stop block 525 .
  • the spring 53 has one end positioned in the recessed hole 523 of the slider 52 and the other end inserted into a fixed cap 54 at the rear side of the work chamber 13 .
  • FIGS. 2 and 3 show the status of the slider 52 in a first position P1. At this time, the rod member 31 of the drive gear wheel 30 is stopped at the upper stop block 524 of the slider 52 , and the spring 53 is in the extended status.
  • the rod member 31 of the drive gear wheel 30 forces the upper stop block 524 to move the slider 52 from the first position P1 to a second position P2 as shown in FIGS. 4 and 5.
  • the nail driving tip 51 moved backwards relative to the buffer block 18
  • the rod member 41 of the driven gear wheel 40 touches the lower stop block 525 .
  • the rod member 31 of the drive gear wheel 30 is moved away from the upper stop block 524 , and the rod member 41 of the driven gear wheel 40 pushes the slider 52 from the second position P2 to a third position P3 , as shown in FIGS. 6 and 7.
  • the slider 52 is spaced from the gun barrel 17 at a long distance, i.e., a long impact stroke is produced, and the spring 53 is compressed by the slider 52 to preserve energy.
  • the rod member 41 is spaced from the lower stop block 525 at a distance and suspended in the area within the elevational difference H , and the spring 53 is released to impart a thrust force to the slider 52 , causing the nail driving tip 51 to move with the slider 52 toward the gun barrel 17 rapidly.
  • the front side of the slider 52 touched the buffer block 18 , one nailing cycle is done.
  • the combined transmission of the drive gear wheel 30 and the driven gear wheel 40 double the impact stroke of the nail driving mechanism, enhancing the nail driving action of the nailing gun without increasing the dimension of the housing 10 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Insertion Pins And Rivets (AREA)
EP04016132A 2003-08-08 2004-07-08 Pistolet à clouer Withdrawn EP1504850A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/636,537 US6899260B2 (en) 2003-07-07 2003-08-08 Nailing gun
US636537 2003-08-08

Publications (2)

Publication Number Publication Date
EP1504850A2 true EP1504850A2 (fr) 2005-02-09
EP1504850A3 EP1504850A3 (fr) 2006-02-08

Family

ID=33552957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04016132A Withdrawn EP1504850A3 (fr) 2003-08-08 2004-07-08 Pistolet à clouer

Country Status (2)

Country Link
EP (1) EP1504850A3 (fr)
JP (1) JP3106805U (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421154B (zh) * 2010-04-09 2014-01-01 Basso Ind Corp Electric nail gun flywheel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690096A (en) * 1926-12-08 1928-11-06 Joseph C Conn Mechanical movement
DE3603870A1 (de) * 1986-02-07 1987-08-13 Carlos Schulz Elektroheftgeraet
US4724992A (en) * 1985-11-07 1988-02-16 Olympic Company, Ltd. Electric tacker
US4834278A (en) * 1988-06-13 1989-05-30 Lin Chung Cheng Structure of dc motorized nailing machine
US4848173A (en) * 1986-11-13 1989-07-18 Heinrichs Peter E Machine for moving workpieces and the like
CN2635290Y (zh) * 2003-07-07 2004-08-25 益卓有限公司 钉枪

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690096A (en) * 1926-12-08 1928-11-06 Joseph C Conn Mechanical movement
US4724992A (en) * 1985-11-07 1988-02-16 Olympic Company, Ltd. Electric tacker
DE3603870A1 (de) * 1986-02-07 1987-08-13 Carlos Schulz Elektroheftgeraet
US4848173A (en) * 1986-11-13 1989-07-18 Heinrichs Peter E Machine for moving workpieces and the like
US4834278A (en) * 1988-06-13 1989-05-30 Lin Chung Cheng Structure of dc motorized nailing machine
CN2635290Y (zh) * 2003-07-07 2004-08-25 益卓有限公司 钉枪

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421154B (zh) * 2010-04-09 2014-01-01 Basso Ind Corp Electric nail gun flywheel

Also Published As

Publication number Publication date
EP1504850A3 (fr) 2006-02-08
JP3106805U (ja) 2005-01-20

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