EP0703041A1 - Outil de scellement de chevilles - Google Patents

Outil de scellement de chevilles Download PDF

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Publication number
EP0703041A1
EP0703041A1 EP95810421A EP95810421A EP0703041A1 EP 0703041 A1 EP0703041 A1 EP 0703041A1 EP 95810421 A EP95810421 A EP 95810421A EP 95810421 A EP95810421 A EP 95810421A EP 0703041 A1 EP0703041 A1 EP 0703041A1
Authority
EP
European Patent Office
Prior art keywords
setting direction
bolt
setting
face
receiving sleeve
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.)
Granted
Application number
EP95810421A
Other languages
German (de)
English (en)
Other versions
EP0703041B1 (fr
Inventor
Rupert Janssen
Markus Fröwis
Luc Guillon
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
Publication of EP0703041A1 publication Critical patent/EP0703041A1/fr
Application granted granted Critical
Publication of EP0703041B1 publication Critical patent/EP0703041B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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 bolt-actuating device with a guide sleeve that can be axially displaced relative to a housing, one of the guide sleeves on the setting direction side, a coaxial upstream bolt guide, and an axially limited displaceable receiving sleeve that at least partially surrounds the bolt guide, the receiving sleeve facing the setting direction for axially limiting the displacement in the setting direction .
  • Bolt-setting tools of the type mentioned are operated by means of powder power by igniting a propellant charge supplied to the bolt-setting device.
  • This ignition of the propellant charge acts on an internal piston, which in turn acts on the fastening element to be driven into a subsurface.
  • This fastener to be driven into an underground is guided in the known bolt-setting tools in a bolt guide which is arranged coaxially to a guide sleeve which can be displaced axially to achieve an ignition-ready position relative to a housing of the bolt-setting tool and serves to accommodate the piston.
  • this cracking can lead to disadvantages, such as damage to the surface or unsightly visual effects. Things become particularly critical when sensitive parts, such as cable ducts made of plastic, have to be fastened to the surface. If the bolt-setting tool hits with such a cable duct or a similarly designed plastic part with its bolt guide, this can lead to damage due to crack formation, which may cause the part to be fastened to be unusable.
  • stud setting devices with so-called concrete attachments are known, which operate on the principle of an inert mass that is displaceable relative to the stud guide.
  • a bolt gun is known for example from DE-PS 25 49 196.
  • a guide sleeve is mounted in a housing so that it can be displaced axially to a limited extent.
  • the concrete attachment in the form of a receiving sleeve partially surrounds the bolt guide and can be moved axially to a limited extent.
  • a pin screw is used, which protrudes into a longitudinal groove of the bolt guide to form stops.
  • the stops are designed in such a way that the end face of the receiving sleeve on the setting direction can be displaced opposite the setting direction on the end side of the bolt guide on the setting direction. In the setting direction, the stops enable the end face of the receiving sleeve on the setting direction to project slightly beyond the end face of the bolt guide on the setting direction.
  • the invention has for its object to provide a bolt-actuating device with which damage to the surface of substrates and damage to parts to be fastened to it by sliding and subsequent knocking down is avoided.
  • the object is achieved in that, when the stop edge of the receiving sleeve facing away from the setting direction is in contact with that facing the setting direction Stop face the end face of the receiving sleeve on the setting direction is seen in the setting direction at least with the end face of the bolt guide on the setting direction.
  • the end face of the receiving sleeve on the setting direction side expediently projects beyond the end face of the bolt guide on the setting direction.
  • the stop face of the bolt guide facing the setting direction is advantageously formed by the end face of the bolt guide on the setting direction.
  • the stop edge of the receiving sleeve facing away from the setting direction is advantageously formed by a shoulder projecting into the projection surface of the end face of the bolt guide on the setting direction.
  • the greatest possible distance advantageously corresponds 3 to 5 times the outside diameter of the bolt guide between the shoulder and the end direction of the bolt guide on the setting direction.
  • Bolt-setting tools are equipped with a safety device, so that a pressing process must take place before the actual setting process, in which the guide tube must be moved into a position ready for ignition within the housing. So that the receiving sleeve cooperating with the guide tube cannot be gripped around outside and moved against the setting direction, the receiving sleeve is expediently at least partially surrounded by an axially displaceable protective sleeve which has a stop shoulder that faces away from the setting direction and interacts with a setting face side of the housing.
  • the guide sleeve of the bolt-firing tool can be moved into the ignition-ready position against the setting direction, a contact pressure must be applied to the bolt-firing tool.
  • the receiving sleeve and the guide tube are axially displaced. To ensure that there is sufficient axial displacement, it must be ensured that the protective sleeve or the length of both protective caps is not too large.
  • the distance measured between the end face of the housing and the end face of the receiving sleeve on the setting direction is therefore greater than the distance between the stop shoulder and a free end of the protective sleeve on the setting direction.
  • the receiving sleeve in the area on the setting direction expediently has an element which increases the friction on the lateral surface.
  • the friction-increasing element is advantageously formed by a rubber-elastic ring.
  • a receiving sleeve 4 In the front area on the setting direction, a receiving sleeve 4 is at least partially surrounded by an axially displaceable protective sleeve 5.
  • the receiving sleeve 4 protrudes with its end face 4c on the setting direction into a component 7 resting on the surface O of a substrate U.
  • the front area of the bolt-actuating device shown in FIGS. 2 and 3 illustrates the telescopic displaceability of the receiving sleeve 4 relative to the bolt guide 3.
  • an axial displacement of the guide sleeve 2 against the setting direction is necessary, so that the guide sleeve 2 arrives in a position ready for ignition. In that position, the ignition mechanism, not shown, can be actuated with the trigger 1b.
  • a bolt guide 3 projects at least partially into a central receiving bore 2a of the guide sleeve 2.
  • the bolt guide 3 is secured against falling out of the central receiving bore 2a by means of a nut 6, which interacts with an external thread arranged on a shoulder and an internal thread of the guide sleeve 2.
  • the bolt guide 3 In the front area on the setting direction, the bolt guide 3 has an abutment surface 3a pointing in the opposite direction to the setting direction, in the form of a circumferentially formed collar, which serves for axially limited displacement of the receiving sleeve 4 in the setting direction.
  • a corresponding stop edge 4a of the receiving sleeve 4 facing the setting direction interacts with the stop surface 3a of the bolt guide 3.
  • the bolt guide 3 has a central through hole 3c, which serves to guide a percussion piston, not shown, and a set side 3b on the setting direction, which cooperates with a shoulder 4b of the receiving sleeve 4 against the setting direction when the receiving sleeve 4 is axially displaced and thus limits the axial displacement of the receiving sleeve 4 .
  • the shoulder 4b is arranged on the inside of the receiving sleeve 4 and has the shape of a circumferential shoulder.
  • the receiving sleeve 4 has a central bore 4e, the diameter of which corresponds essentially to the diameter of the through bore 3c of the bolt guide 3.
  • the protective sleeve 5, which at least partially surrounds the receiving sleeve 4, consists of two protective caps 5a, 5b.
  • the end face 5f of the protective cap 5a facing away from the setting direction cooperates with the end face 5e of the protective cap 5b on the setting direction, when the protective cap 5a is pulled back against the setting direction.
  • the protective cap 5b has a stop shoulder 5c which faces away from the setting direction and which comes to rest against a setting face on the setting direction side 1a of the housing 1 when the protective caps 5b are displaced counter to the setting direction.
  • the distance B measured between the end face 1a of the housing 1 and the setting side 4c of the receiving sleeve 4 is greater than the distance C between the stop shoulder 5c and a free end 5d of the protective sleeve 5 on the setting direction.
  • the receiving sleeve 4 can be displaced so far in relation to the bolt guide 3 in the setting direction that the distance A between the setting direction side 3b of the pin guide 3 and the shoulder 4b of the receiving sleeve 4 corresponds to 3 to 5 times the outside diameter D of the pin guide 3.
  • the receiving sleeve 4 projects with its end face 4c on the setting direction into a receiving bore of a component 7.
  • the component 7 is equipped with a thrust washer 8, the outside diameter of which essentially corresponds to the outside diameter of the receiving sleeve 4.
  • the thrust washer 8 has a cylindrical projection which at least partially projects into the central bore 4e of the receiving sleeve 4.
  • a fastening element 9 in the form of a nail protrudes through the thrust washer 8 into a base U.
  • the position shown in FIG. 3 shows the bolt-setting tool shortly after the nail has been driven in while the bolt-setting device is being lifted from the surface O of the substrate U due to the recoil force.
  • the receiving sleeve 4 is moved in relation to the bolt guide 3 in the setting direction.
  • the receiving sleeve 4 has a rubber-elastic ring 10 mounted in a circumferential recess 11 in the front direction of the seating direction.
  • the radial depth of the circumferential recess 11 decreases in the setting direction, so that a wedge surface arises, along which the rubber-elastic ring 10 moves when there is an axial displacement of the receiving sleeve 4 with respect to the component 7 against the setting direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Dowels (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
EP95810421A 1994-09-20 1995-06-22 Outil de scellement de chevilles Expired - Lifetime EP0703041B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4433410A DE4433410A1 (de) 1994-09-20 1994-09-20 Bolzensetzgerät
DE4433410 1994-09-20

Publications (2)

Publication Number Publication Date
EP0703041A1 true EP0703041A1 (fr) 1996-03-27
EP0703041B1 EP0703041B1 (fr) 1997-09-03

Family

ID=6528636

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95810421A Expired - Lifetime EP0703041B1 (fr) 1994-09-20 1995-06-22 Outil de scellement de chevilles

Country Status (7)

Country Link
US (1) US5651489A (fr)
EP (1) EP0703041B1 (fr)
JP (1) JPH0899272A (fr)
KR (1) KR100331716B1 (fr)
AU (1) AU695434B2 (fr)
DE (2) DE4433410A1 (fr)
TW (1) TW267964B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5722578A (en) * 1995-09-29 1998-03-03 Illinois Tool Works Inc. High velocity, combustion-powered, fastener-driving tool
US6016946A (en) 1997-12-31 2000-01-25 Porter-Cable Corporation Internal combustion fastener driving tool shuttle valve
US6006704A (en) 1997-12-31 1999-12-28 Porter-Cable Corporation Internal combustion fastener driving tool fuel metering system
US6158643A (en) 1997-12-31 2000-12-12 Porter-Cable Corporation Internal combustion fastener driving tool piston and piston ring
US6260519B1 (en) 1997-12-31 2001-07-17 Porter-Cable Corporation Internal combustion fastener driving tool accelerator plate
US6041603A (en) 1997-12-31 2000-03-28 Porter-Cable Corporation Internal combustion fastener driving tool accelerator plate
US6045024A (en) 1997-12-31 2000-04-04 Porter-Cable Corporation Internal combustion fastener driving tool intake reed valve
USD410182S (en) 1997-12-31 1999-05-25 Porter-Cable Corporation Internal combustion fastener driving tool
US6145723A (en) * 1998-01-27 2000-11-14 Illinois Tool Works Inc. Workpiece-contacting probe for fastener-driving tool for fastening dimpled membranes to foundation walls via fasteners and polymeric plugs
DE10048311B4 (de) * 2000-09-29 2012-03-01 Hilti Aktiengesellschaft Setzgerät
US6758116B2 (en) * 2001-06-28 2004-07-06 Porter-Cable/Delta Depth adjusting system for a screw gun
DE10330142B3 (de) * 2003-07-04 2005-01-05 Hilti Ag Setzgerät

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1808704A1 (de) * 1968-11-13 1970-11-26 Hilti Ag Geraet zum Eintreiben von Befestigungselementen in Beton und dergleichen Aufnahmematerialien
US3776443A (en) * 1972-05-23 1973-12-04 Usm Corp Fastener driving tool with slidable fastener guide
DE2549196A1 (de) * 1974-11-04 1976-06-10 Prospection & Inventions Bolzensetzpistole mit huelsenloser munition
DE2850273A1 (de) * 1978-11-20 1980-05-29 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet
US4239143A (en) * 1979-05-21 1980-12-16 Olin Corporation Driver assembly for small-diameter fasteners
EP0567370A1 (fr) * 1992-04-24 1993-10-27 Societe De Prospection Et D'inventions Techniques Spit Appareil pour la pose d'éléments de fixation, à masselotte, cliquet de rappel de masselotte et guide-tampon pivotant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1388835A (en) * 1971-06-01 1975-03-26 British Screw Co Ltd Explosive powder actuated devices
US4196834A (en) * 1978-12-11 1980-04-08 Olin Corporation Noise reducer for powder actuated fastening tool
US4684050A (en) * 1985-10-07 1987-08-04 Fernando Masas Powder actuated fastening system and fastener assembly for use therewith
DE3540953A1 (de) * 1985-11-19 1987-05-21 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet
FR2608493B1 (fr) * 1986-12-23 1994-09-02 Prospection & Inventions Appareil de scellement a tir indirect
DE4022674A1 (de) * 1990-07-17 1992-01-23 Hilti Ag Pulverkraftbetriebenes setzgeraet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1808704A1 (de) * 1968-11-13 1970-11-26 Hilti Ag Geraet zum Eintreiben von Befestigungselementen in Beton und dergleichen Aufnahmematerialien
US3776443A (en) * 1972-05-23 1973-12-04 Usm Corp Fastener driving tool with slidable fastener guide
DE2549196A1 (de) * 1974-11-04 1976-06-10 Prospection & Inventions Bolzensetzpistole mit huelsenloser munition
DE2549196C3 (de) 1974-11-04 1981-08-13 Société de Prospection et d'Inventions Techniques Spit, S.A., Bourg-les-Valence, Drome Zündraumanordnung für mit Treibladungstabletten betriebene Bolzensetzgeräte
DE2850273A1 (de) * 1978-11-20 1980-05-29 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet
US4239143A (en) * 1979-05-21 1980-12-16 Olin Corporation Driver assembly for small-diameter fasteners
EP0567370A1 (fr) * 1992-04-24 1993-10-27 Societe De Prospection Et D'inventions Techniques Spit Appareil pour la pose d'éléments de fixation, à masselotte, cliquet de rappel de masselotte et guide-tampon pivotant

Also Published As

Publication number Publication date
KR960010173A (ko) 1996-04-20
EP0703041B1 (fr) 1997-09-03
TW267964B (en) 1996-01-11
DE59500596D1 (de) 1997-10-09
KR100331716B1 (ko) 2002-12-02
AU3058195A (en) 1996-04-04
DE4433410A1 (de) 1996-03-21
AU695434B2 (en) 1998-08-13
US5651489A (en) 1997-07-29
JPH0899272A (ja) 1996-04-16

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