EP2929983A1 - Appareil de pose manuel et semi-fixe - Google Patents

Appareil de pose manuel et semi-fixe Download PDF

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Publication number
EP2929983A1
EP2929983A1 EP14163964.1A EP14163964A EP2929983A1 EP 2929983 A1 EP2929983 A1 EP 2929983A1 EP 14163964 A EP14163964 A EP 14163964A EP 2929983 A1 EP2929983 A1 EP 2929983A1
Authority
EP
European Patent Office
Prior art keywords
working piston
semi
hand
held
setting tool
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Withdrawn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
EP14163964.1A
Other languages
German (de)
English (en)
Inventor
Julian Keller
Markus Sprenger
Dionys Schalbetter
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 EP14163964.1A priority Critical patent/EP2929983A1/fr
Priority to US15/128,478 priority patent/US20170095918A1/en
Priority to EP15712939.6A priority patent/EP3129189B1/fr
Priority to PCT/EP2015/057001 priority patent/WO2015155059A1/fr
Publication of EP2929983A1 publication Critical patent/EP2929983A1/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Withdrawn legal-status Critical Current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
    • B25C1/08—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
    • 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

Definitions

  • the invention relates to a hand-held and semi-stationary setting tool for driving fasteners by means of a working piston in a ground, with a housing which comprises an attachment means at an outlet end.
  • the invention further relates to a method for operating such a setting device.
  • German patent application DE 28 50 273 A1 is a powder-powered setting tool for driving fasteners with a housing and a barrel disposed therein, wherein the barrel is axially displaceable relative to a cartridge bearing containing part, the run in its rear region facing away from the driving direction, acted upon by the combustion gases shoulder surface, wherein the barrel in the front region has a support shoulder for the axial support of a support material which can be placed on the receiving material, and wherein an elastic member is provided between the support shoulder of the barrel and the support mass.
  • the object of the invention is to simplify the operation of a hand-held or semi-stationary setting tool for driving fasteners by means of a working piston into a substrate, with a housing which comprises an attachment means at an exit end.
  • the task is in a hand-held and semi-stationary setting tool for driving fasteners by means of a working piston in a ground, with a Housing, which comprises an attachment device at an outlet end, achieved in that the working piston is coupled to the attachment means that when driving a fastener into the ground energy of the working piston removed and transferred to the attachment means to press the attachment means against the ground ,
  • the hand-held or semi-stationary setting tool is operated, for example, with fuel gas, propellant powder, compressed air or electric current. The energy required to drive in the fastening elements is transmitted to the fastening elements via the working piston.
  • a preferred embodiment of the hand-held or semi-stationary setting tool is characterized in that the working piston is coupled via a spring device with the attachment means.
  • the spring device is preferably arranged between the working piston and the attachment device. Upon a forward movement of the working piston, the spring device is tensioned and transmits a force in the forward direction to the attachment device.
  • the spring device preferably has a length which corresponds at least to the length of the fastening elements. This ensures in a simple manner that the Eintreibfunktion the working piston is maintained.
  • a further preferred embodiment of the hand-held or semi-stationary setting tool is characterized in that the spring device comprises at least one elastomeric spring, a spiral spring, a plate spring and / or a fluid spring.
  • the fluid spring is, for example, an air spring.
  • the fluid spring may advantageously be equipped with a valve.
  • a contact time between the working piston and the spring device can be varied, for example by the length of the spring device. This can be achieved in a simple manner that the power transmission between the working piston and the attachment means starts sooner or later.
  • the spring characteristic of the spring device can be varied.
  • the working piston is coupled via a friction and / or clamping device with the attachment means.
  • the friction and / or clamping device is preferably coupled to a guide device, which in turn is advantageously combined with the attachment device.
  • the working piston is preferably guided with one end in the guide device. Via a clamping and / or friction contact, an axial force can be transmitted from the working piston to the guide device.
  • the contact point or friction point can be carried out in various ways.
  • a further preferred embodiment of the hand-held or semi-stationary setting tool is characterized in that the friction and / or clamping device is designed and arranged so that when driving a fastener, a part of an axial driving force is transmitted from the working piston to the front attachment.
  • the friction and / or clamping device comprises for this purpose, for example, at least one friction and / or clamping element on the guide means, which is under radial contact force in contact with the working piston.
  • a further preferred embodiment of the hand-held or semi-stationary setting tool is characterized in that the friction and / or clamping device is designed and arranged so that a return of the working piston after a driving operation is not or only slightly hindered. This ensures in a simple manner that the working piston return is not adversely affected by the friction and / or clamping device in an undesirable manner. With the friction and / or clamping device, the force curve can be advantageously varied via a driving operation.
  • the hand-held or semi-stationary setting tool is characterized in that the working piston is coupled via a magnetic field source with the attachment means.
  • the magnetic field source comprises, for example, at least one magnet, for example an electromagnet or a permanent magnet.
  • the magnetic field source is integrated in a guide body for guiding the fastening elements at the outlet end.
  • the guide body is preferably not only for guiding the fasteners.
  • the working piston protrudes into the guide body with one end. With the help of the magnetic field source, the guide body can be advantageously coupled to the working piston.
  • a further preferred embodiment of the hand-held or semi-stationary setting tool is characterized in that the attachment means is combined with a guide device for guiding the fastening elements at the outlet end.
  • the guide device advantageously comprises the previously described guide body, which serves for guiding the fastening elements at the outlet end of the setting device.
  • the working piston preferably protrudes into the guide device with one end. As a result, the coupling of the working piston is simplified with the attachment means.
  • the guide body is for example integrally connected to a header body, which is designed for example as a front plate.
  • the above stated object is alternatively or additionally achieved in that the working piston is coupled to the attachment means that when driving a fastener into the ground energy of the working piston removed and transmitted to the attachment means to press the attachment means against the ground.
  • the attachment means that when driving a fastener into the ground energy of the working piston removed and transmitted to the attachment means to press the attachment means against the ground.
  • only part of the energy of the working piston is taken for the attachment device. The majority of the power of the power piston is used to drive in the fasteners.
  • the invention further relates to an attachment device for a previously described hand-held or semi-stationary setting tool.
  • the attachment can be traded separately.
  • the setting tool according to the invention is preferably a setting tool for setting fastening elements, such as bolts. Therefore, such a setting device is also referred to as a bolt setting device.
  • the setting device is operated, for example, with gas as fuel.
  • the gas is provided, for example, in a gas can or gas cartridge, which is inserted into the setting tool.
  • FIGS. 1 to 3 is a setting tool 1; 41; 61 greatly simplified in accordance with three different embodiments of the invention.
  • the setting device 1; 41; 61 is similar or similar to the German Offenlegungsschrift in terms of its external structure DE 28 50 273 A1 disclosed powder-operated bolt gun running.
  • FIGS. 1 to 3 the same reference numbers are used to designate the same or similar parts.
  • the common features of the three exemplary embodiments are discussed first. After that, mainly the differences between the three embodiments will be discussed.
  • Setting device 1 shown in different embodiments; 41; 61 comprises an unspecified housing with a handle on which the setting tool 1; 41; 61 for driving a fastener in a substrate 3 can be tacked.
  • the fastener occurs at a setting end or outlet end 5 of the setting device 1; 41; 61 off.
  • the fasteners used are preferably provided via a device-internal magazine, which is in the vicinity of the outlet end or setting end 5 of the setting device 1; 41; 61 is attached. From the magazine, the fasteners, preferably individually, automatically removed and provided at the setting end 5.
  • the energy required for driving the fasteners into the ground is, for example, in a fuel container in the interior of the setting device 1; 41; 61 provided.
  • the fuel in the fuel container is, for example, LPG. Therefore, the fuel container is also referred to as a gas can or gas cartridge.
  • the fuel tank can be connected via an adjustable or controllable metering device with a connecting line with a combustion chamber or a combustion chamber.
  • the metering device is preferably designed as a metering valve.
  • fuel ie gas
  • a fastener such as a bolt or a nail into the ground.
  • the energy required for driving is when pressing a trigger or trigger of the setting device 1; 41; 61 transmitted via a piston 8 from the combustion chamber to a fastener at the setting end 5.
  • the working piston 8 comprises a base body 9, from which a plunger 10 starts.
  • the setting device 1; 41; 61 further includes an attachment means 14 which is placed on the substrate 3 prior to driving a fastener.
  • the attachment device 14 comprises a front plate 15, which is brought to the substrate 3 for conditioning.
  • the front plate 15 is integrally connected to a guide body 16, which is designed as a guide sleeve.
  • the guide body or the guide sleeve 16 serves to represent a guide device 18 for the fasteners to be driven.
  • the working piston 8 protrudes with a free end of the plunger 10 in the guide device 18, that the plunger 10 is guided in the guide body 16.
  • the attachment device 14 By means of the attachment device 14, these unwanted spallings can be reduced in their extent and frequency.
  • the energy required to push the attachment 14 against the ground 3 is extracted via the power piston 8.
  • the working piston 8 is coupled to the attachment device 14.
  • the working piston 8 is coupled via a spring device 20 with the attachment means 14.
  • the spring device 20 comprises a spiral spring 21 which is arranged in the axial direction between a formed on the base body 9 of the working piston 8 shoulder 22 and an end face 23 of the guide body 16, which faces away from the substrate 3.
  • the spring device 20 should advantageously compress at least the length of a fastener.
  • the spring means 20 may also include an elastomeric spring.
  • the spring device 20 may also include an air spring, which builds up a dynamic pressure in front of the working piston 8, for example.
  • the contact time between the working piston 8 and the spring device 20 through the Length of the spring device 20 can be varied. This can be achieved that the power transmission begins sooner or later.
  • the spring characteristic of the spring device 20 can be varied.
  • the working piston 8 is coupled via a friction and / or clamping device 45 with the attachment device 14.
  • the friction and / or clamping device 45 includes, for example on the guide body 16 of the guide device 18 at least one friction and / or clamping element, which is under radial contact force in contact with the working piston 8.
  • the working piston 8 can transmit an axial force on the guide body 16 of the guide means 18 and the front plate 15 of the attachment means 14, as indicated by arrows 51; 52, 53 and 54, 55 is indicated.
  • the contact point can be designed in different ways. It is important that wear of contact materials in the operation of the setting device 41 is taken into account. Due to operational wear of the contact materials, the force curve of the pretensioning force of the attachment device 14 may change.
  • the friction and / or clamping device 45 is preferably designed so that the clamping effect described above only in a forward movement of the working piston 8 in the direction of arrow 51 in FIG. 2 occurs.
  • the force curve of the pretensioning force of the attachment device 14 can be varied via the fastening drive.
  • a defined profile can be provided on the working piston 8.
  • the clamping force can be influenced via the defined profile.
  • the working piston 8 is coupled via a magnetic field source 65 with the attachment means 14.
  • the magnetic field source 65 comprises, for example, a plurality of permanent magnets or electromagnets, indicated only by rectangles, in the guide body 16 of the guide device 18.
  • an eddy current can be generated in the rapidly moving working piston 8 formed from an electromagnetically conducting material.
  • the movement of the working piston 8 when driving a fastener is indicated by an arrow 71.
  • eddy currents are indicated, by which the working piston 8 is braked relative to the guide means 18 and the attachment means 14.
  • the associated braking force leads to an indicated by arrows 74 and 75 biasing force of the attachment means 14 on the ground 3.
  • the course of the contact force can be adjusted for example by the distance between the magnet of the magnetic field source 65 and the working piston 8 or via different strong magnets.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP14163964.1A 2014-04-09 2014-04-09 Appareil de pose manuel et semi-fixe Withdrawn EP2929983A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP14163964.1A EP2929983A1 (fr) 2014-04-09 2014-04-09 Appareil de pose manuel et semi-fixe
US15/128,478 US20170095918A1 (en) 2014-04-09 2015-03-31 Hand-held and semi-stationary setting device
EP15712939.6A EP3129189B1 (fr) 2014-04-09 2015-03-31 Appareil de pose manuel et semi-fixe
PCT/EP2015/057001 WO2015155059A1 (fr) 2014-04-09 2015-03-31 Outil de pose (1) à main et semi-stationnaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14163964.1A EP2929983A1 (fr) 2014-04-09 2014-04-09 Appareil de pose manuel et semi-fixe

Publications (1)

Publication Number Publication Date
EP2929983A1 true EP2929983A1 (fr) 2015-10-14

Family

ID=50442397

Family Applications (2)

Application Number Title Priority Date Filing Date
EP14163964.1A Withdrawn EP2929983A1 (fr) 2014-04-09 2014-04-09 Appareil de pose manuel et semi-fixe
EP15712939.6A Active EP3129189B1 (fr) 2014-04-09 2015-03-31 Appareil de pose manuel et semi-fixe

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP15712939.6A Active EP3129189B1 (fr) 2014-04-09 2015-03-31 Appareil de pose manuel et semi-fixe

Country Status (3)

Country Link
US (1) US20170095918A1 (fr)
EP (2) EP2929983A1 (fr)
WO (1) WO2015155059A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2424774A1 (de) * 1974-05-22 1975-11-27 Poly Patent Ag Verbesserung an bolzeneintreibapparaten und dgl.
DE2850273A1 (de) 1978-11-20 1980-05-29 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet
US20020038812A1 (en) * 2000-09-29 2002-04-04 Joachim Thieleke Setting tool

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072911A (en) * 1957-12-04 1963-01-15 Sarmi S A Societa D Applic De Fixing guns adapted to drive nails and the like, such as for example studs and plugsin hard compact materials
BE611268A (fr) * 1960-04-07
US3514026A (en) * 1967-09-01 1970-05-26 Trw Inc Repeating propellant gas powered driving tool
DE2042767C3 (de) * 1970-08-28 1981-01-29 Hilti Ag, Schaan (Liechtenstein) Pulverkraftbetriebenes Setzgerät zum Eintreiben von Nägeln
DE19800847A1 (de) * 1997-12-04 1999-06-17 Gerd Dr Ing Kellner Gerät zum Setzen eines Befestigungselementes in einen Setzuntergrund und Verwendung des Gerätes
US6892524B1 (en) * 2003-11-03 2005-05-17 Illinois Tool Works Inc. Latching mechanism for combustion chamber plate of a fastener driving tool
DE102004043955B4 (de) * 2004-09-11 2006-07-20 Hilti Ag Brennkraftbetriebenes Setzgerät
DE102005000107B4 (de) * 2005-08-25 2014-03-13 Hilti Aktiengesellschaft Pneumatisch betriebenes Setzgerät

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2424774A1 (de) * 1974-05-22 1975-11-27 Poly Patent Ag Verbesserung an bolzeneintreibapparaten und dgl.
DE2850273A1 (de) 1978-11-20 1980-05-29 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet
US20020038812A1 (en) * 2000-09-29 2002-04-04 Joachim Thieleke Setting tool

Also Published As

Publication number Publication date
EP3129189A1 (fr) 2017-02-15
WO2015155059A1 (fr) 2015-10-15
EP3129189B1 (fr) 2018-09-26
US20170095918A1 (en) 2017-04-06

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