EP3670087A1 - Dispositif d'enfoncement - Google Patents

Dispositif d'enfoncement Download PDF

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Publication number
EP3670087A1
EP3670087A1 EP18214320.6A EP18214320A EP3670087A1 EP 3670087 A1 EP3670087 A1 EP 3670087A1 EP 18214320 A EP18214320 A EP 18214320A EP 3670087 A1 EP3670087 A1 EP 3670087A1
Authority
EP
European Patent Office
Prior art keywords
driving
fastening element
magazine
receptacle
slot
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Withdrawn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
EP18214320.6A
Other languages
German (de)
English (en)
Inventor
Dominik Schmidt
Ajinkya Hemant Dange
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.)
Hilti AG
Original Assignee
Hilti AG
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
Application filed by Hilti AG filed Critical Hilti AG
Priority to EP18214320.6A priority Critical patent/EP3670087A1/fr
Priority to EP19808838.7A priority patent/EP3898111B1/fr
Priority to PCT/EP2019/083016 priority patent/WO2020126406A1/fr
Priority to US17/416,441 priority patent/US12138763B2/en
Publication of EP3670087A1 publication Critical patent/EP3670087A1/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Withdrawn legal-status Critical Current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
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/001—Nail feeding devices
    • 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
    • B25C1/008—Safety devices
    • 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
    • B25C1/04—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
    • B25C1/047—Mechanical details
    • 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
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
    • B25C1/188—Arrangements at the forward end of the barrel, e.g. splinter guards, spall minimisers, safety arrangements, silencers, bolt retainers

Definitions

  • the invention relates to a device for driving a fastener in a driving direction into a substrate.
  • Such devices usually comprise a receptacle for the fastening element, from which the fastening element is driven into the ground, and a magazine for feeding fastening elements in a transport direction to the receptacle. If such a device is used in a dusty environment, for example on a construction site, there is a risk that dust will enter the magazine and impair the supply of the fastening elements to the receptacle.
  • the object of the invention is to provide a device for driving a fastening element into an underground, in which a transport of the fastening element within the device is improved.
  • the object is achieved in a device for driving a fastening element in a driving direction into a substrate, with a receptacle for the fastening element, from which the fastening element is driven into the substrate, with a Magazine for feeding fasteners in a transport direction to the receptacle, the magazine having a slot on its side pointing in the driving direction, which runs in the transport direction, and with a dust deflector which covers the slot.
  • the dust deflector has a brush seal.
  • the brush seal preferably comprises a plurality of bristles, each of which protrudes from the magazine in a bristle direction, the transport direction and the bristle direction enclosing an acute angle.
  • the bristle direction is particularly preferably inclined with respect to the driving-in direction.
  • An advantageous embodiment is characterized in that the device has a guide channel for the fastening element during driving into the ground.
  • the device comprises a setting piston which can be driven from the starting position, in which the setting piston is at rest, to the recording for the transmission of energy to the fastening element arranged in the recording.
  • the device preferably comprises a drive device for driving the setting piston towards the fastening element, and a trigger, the actuation of which triggers the driving of the piston towards the fastening element.
  • the device comprises a pressing device for querying whether the working device is pressed against a surface, the pressing device being in a pressing position when the working device is pressed against a surface.
  • the pressing device preferably permits the piston to be driven onto the fastening element only in the pressing position.
  • An advantageous embodiment is characterized in that the device comprises a feed device for transporting the fastening element from the magazine into the receptacle.
  • An advantageous embodiment is characterized in that the magazine is provided for the transport of fastening elements which extend through the slot.
  • the fastening elements preferably protrude beyond the dust deflector in the driving direction.
  • Fig. 1 shows a driving-in device 10 for driving in a fastening element, for example a nail or bolt, in a driving-in direction 740 into an underground in a side view.
  • the driving-in device 10 has an energy transmission element (not shown) for transmitting energy to the fastening element and a housing 20 in which the energy transmission element and a drive device (also not shown) for conveying the energy transmission element are accommodated.
  • the driving-in device 10 also has a handle 30, a magazine 40 and a bridge 50 connecting the handle 30 to the magazine 40.
  • a scaffold hook 60 for suspending the driving device 10 on a scaffold or the like and an electrical energy store designed as an electrical accumulator 590 are fastened to the bridge 50.
  • a trigger 34 and a handle sensor designed as a manual switch 35 are arranged on the handle 30.
  • the driving-in device 10 has a guide channel 700 for guiding the fastening element, a receptacle 710 ( Fig. 2 ) for the fastener from which the fastener is driven into the ground, and a Pressing device 750 for recognizing a distance of the driving-in device 10 from a substrate (not shown).
  • the pressing device 750 is in a pressing position when the driving device 10 is pressed against a surface. Only then does it allow the driving element to be driven towards the fastening element. Alignment of the driving device perpendicular to a surface is supported by an alignment aid 45.
  • the magazine 40 is used to feed fastening elements in a transport direction 41 to the receptacle 710.
  • a feed device is preferably arranged in the magazine 40 for this purpose.
  • the magazine 40 has an in Fig. 1 and 2nd not visible, running in the transport direction 41 slot, which is covered by a dust deflector 720 designed as a brush seal.
  • the dust deflector 720 comprises a multiplicity of bristles, which each protrude from the magazine 40 in a bristle direction 721.
  • the transport direction 41 and the bristle direction 721 enclose an acute angle, the bristle direction 721 is also inclined with respect to the driving-in direction 740.
  • Fig. 2 shows the driving-in device 10 with the housing 20 open.
  • a drive device 70 for conveying the energy transmission element 730 designed as a setting piston is accommodated in the housing 20.
  • the setting piston 730 can be driven from the starting position, in which the setting piston 730 is at rest, to the mounting 710 to transmit energy to the fastening element arranged in the mounting 710.
  • the drive device 70 comprises an electric motor (not shown) for converting electrical energy from the rechargeable battery 590 into rotational energy, a torque transmission device comprising a transmission 400 for transmitting a torque of the electric motor to a motion converter designed as a spindle drive 300, and a force transmission device comprising a roller train 260 for transmitting a force from the motion converter to a mechanical energy store designed as a spring 200 and for transmitting a force from the spring 200 to the energy transmission element.
  • an electric motor not shown
  • a torque transmission device comprising a transmission 400 for transmitting a torque of the electric motor to a motion converter designed as a spindle drive 300
  • a force transmission device comprising a roller train 260 for transmitting a force from the motion converter to a mechanical energy store designed as a spring 200 and for transmitting a force from the spring 200 to the energy transmission element.
  • An advantageous embodiment is characterized in that the magazine is provided for the transport of fastening elements which extend through the slot.
  • the fastening elements preferably protrude beyond the dust deflector in the driving direction.
  • the 3, 4 and 5 show a section of a driving-in device 310 with a dust deflector 320.
  • the driving-in device 310 comprises one in FIGS 3, 4 and 5 receptacle for a fastening element covered by a guide channel 315, from which the fastening element is driven into an underground in a driving-in direction 330.
  • the driving-in device 310 comprises a magazine 340 for feeding fastening elements 345 in a transport direction 350 to the receptacle, the magazine 340 having a slot 360 on its side pointing in the driving-in direction 330, which runs in the transport direction 350.
  • the driving device 310 includes the dust deflector 320, which covers the slot 360.
  • the dust deflector 320 comprises a brush seal with a plurality of bristles 375, which each protrude from the magazine 340 in a bristle direction 380.
  • the transport direction 350 and the bristle direction 380 enclose an acute angle
  • the bristle direction 380 is additionally inclined with respect to the driving-in direction 310. This reduces frictional forces that may occur between the fastening elements 345 and the bristles 375 during nail transport in the magazine 340.
  • the fasteners 345 extend through the slot 360.
  • Fig. 5 shows the driving device 310 in use in a rail 390 which is fastened with the fastening elements 345.
  • the guide channel 315 dips into the rail 390.
  • the bristles 375 evade the rail 390 due to their flexibility, so that the accessibility of the driving device 310 is not impaired by the dust deflector 320.
  • the 6 and 7 show a section of a driving-in device 410 with a dust deflector 420.
  • the driving-in device 410 includes one in the FIGS 3, 4 and 5 receptacle for a fastening element covered by a guide channel 415, from which the fastening element is driven into an underground in a driving-in direction 430.
  • the driving device 410 further comprises a magazine 440 for feeding fastening elements 445 in a transport direction 450 to the receptacle, the magazine 440 having a slot 460 on its side pointing in the driving direction 430 which runs in the transport direction 450.
  • the driving-in device 410 comprises a dust deflector 470, which covers the slot 460.
  • the dust deflector 470 comprises a brush seal with a plurality of bristles 475, which each protrude from the magazine 440 in a bristle direction 480.
  • the transport direction 450 and the bristle direction 480 form an acute angle
  • the bristle direction 480 is additionally inclined with respect to the driving-in direction 410. This reduces frictional forces that may occur between the fastening elements 445 and the bristles 475 during nail transport in the magazine 440.
  • the fastening elements 445 extend through the slot 460 and between two rows of bristles of the dust deflector 420 because the fastening elements 445 protrude beyond the dust deflector 420 in the driving-in direction 430.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP18214320.6A 2018-12-20 2018-12-20 Dispositif d'enfoncement Withdrawn EP3670087A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18214320.6A EP3670087A1 (fr) 2018-12-20 2018-12-20 Dispositif d'enfoncement
EP19808838.7A EP3898111B1 (fr) 2018-12-20 2019-11-29 Dispositif d'enfoncement
PCT/EP2019/083016 WO2020126406A1 (fr) 2018-12-20 2019-11-29 Dispositif d'enfoncement
US17/416,441 US12138763B2 (en) 2018-12-20 2019-11-29 Driving-in device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18214320.6A EP3670087A1 (fr) 2018-12-20 2018-12-20 Dispositif d'enfoncement

Publications (1)

Publication Number Publication Date
EP3670087A1 true EP3670087A1 (fr) 2020-06-24

Family

ID=64746303

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18214320.6A Withdrawn EP3670087A1 (fr) 2018-12-20 2018-12-20 Dispositif d'enfoncement
EP19808838.7A Active EP3898111B1 (fr) 2018-12-20 2019-11-29 Dispositif d'enfoncement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19808838.7A Active EP3898111B1 (fr) 2018-12-20 2019-11-29 Dispositif d'enfoncement

Country Status (3)

Country Link
US (1) US12138763B2 (fr)
EP (2) EP3670087A1 (fr)
WO (1) WO2020126406A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20214489U1 (de) * 2002-09-19 2004-02-19 Helfer & Co. Kg Gerät zum Eintreiben von Befestigern, insbesondere Schrauben o.dgl.
US7004368B1 (en) * 2004-12-03 2006-02-28 Panrex Industrial Co., Ltd. Nailing gun having improved nail pusher
DE102011089521A1 (de) * 2011-12-22 2013-06-27 Hilti Aktiengesellschaft Eintreibvorrichtung

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363999A (en) * 1993-08-26 1994-11-15 Stanley-Bostitch, Inc. Fastener feeder having vibratory brush
US5477601A (en) * 1994-10-11 1995-12-26 Jasmer; Arthur P. Combination staple gun and cutter and method of use
US5890405A (en) * 1996-09-11 1999-04-06 Becker; Burkhard Automated screw driving device
TW200600288A (en) * 2004-02-20 2006-01-01 Black & Decker Inc Adjustable exhaust system for pneumatic nailers and staplers
US7699201B2 (en) * 2004-05-25 2010-04-20 Black & Decker Inc. Fastening tool with automatic feeding of wire-collated fasteners
US7537145B2 (en) * 2007-02-01 2009-05-26 Black & Decker Inc. Multistage solenoid fastening device
TWM406501U (en) * 2011-01-24 2011-07-01 De Poan Pneumatic Corp Nail stopper of nail groove
TW201338933A (zh) * 2012-03-30 2013-10-01 Basso Ind Corp 電動螺絲釘槍
US9469021B2 (en) * 2012-05-31 2016-10-18 Black & Decker Inc. Fastening tool nail channel
US9486904B2 (en) * 2012-05-31 2016-11-08 Black & Decker Inc. Fastening tool nosepiece insert
US11229995B2 (en) * 2012-05-31 2022-01-25 Black Decker Inc. Fastening tool nail stop
US9827658B2 (en) * 2012-05-31 2017-11-28 Black & Decker Inc. Power tool having latched pusher assembly
US9498871B2 (en) * 2012-05-31 2016-11-22 Black & Decker Inc. Power tool raving spring curl trip actuator
US9649755B2 (en) * 2012-05-31 2017-05-16 Black & Decker Inc. Power tool having angled dry fire lockout
WO2016127101A1 (fr) * 2015-02-06 2016-08-11 Milwaukee Electric Tool Corporation Dispositif d'entraînement de fixation alimenté par ressort à gaz
CN105818099B (zh) * 2016-05-26 2017-11-17 杭州科龙电器工具股份有限公司 使用气弹簧的电动钉枪
US10493607B2 (en) * 2016-06-28 2019-12-03 Black & Decker, Inc. Concrete nailer having magazine cutout for deep tracks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20214489U1 (de) * 2002-09-19 2004-02-19 Helfer & Co. Kg Gerät zum Eintreiben von Befestigern, insbesondere Schrauben o.dgl.
US7004368B1 (en) * 2004-12-03 2006-02-28 Panrex Industrial Co., Ltd. Nailing gun having improved nail pusher
DE102011089521A1 (de) * 2011-12-22 2013-06-27 Hilti Aktiengesellschaft Eintreibvorrichtung

Also Published As

Publication number Publication date
EP3898111A1 (fr) 2021-10-27
EP3898111B1 (fr) 2022-11-09
US20220072689A1 (en) 2022-03-10
WO2020126406A1 (fr) 2020-06-25
US12138763B2 (en) 2024-11-12

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