EP0467834B1 - Pulverkraftbetriebenes Setzgerät - Google Patents
Pulverkraftbetriebenes Setzgerät Download PDFInfo
- Publication number
- EP0467834B1 EP0467834B1 EP91810536A EP91810536A EP0467834B1 EP 0467834 B1 EP0467834 B1 EP 0467834B1 EP 91810536 A EP91810536 A EP 91810536A EP 91810536 A EP91810536 A EP 91810536A EP 0467834 B1 EP0467834 B1 EP 0467834B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- barrel
- setting tool
- setting
- tool according
- 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.)
- Expired - Lifetime
Links
- 238000010304 firing Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000002360 explosive Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 2
- 239000003380 propellant Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- KJFBVJALEQWJBS-XUXIUFHCSA-N maribavir Chemical compound CC(C)NC1=NC2=CC(Cl)=C(Cl)C=C2N1[C@H]1O[C@@H](CO)[C@H](O)[C@@H]1O KJFBVJALEQWJBS-XUXIUFHCSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Images
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
- B25C1/14—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil
- B25C1/143—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil trigger operated
-
- 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
Definitions
- the invention relates to a powder-operated setting tool with a housing in which a barrel and a closure piece are arranged axially displaceably, the barrel having a receptacle for a propellant charge and the closure piece containing an ignition bolt being supported on the housing by a spring element acting in the setting direction.
- DE-C-16 03 843 discloses a generic powder-operated setting tool, in which a barrel and a locking piece are slidably mounted in a housing with the aim of reducing the recoil forces which have a disadvantageous effect on the material stress and the operator. Thanks to this displaceable arrangement of barrel and locking piece in the housing, the objective with regard to recoil forces can only be achieved by accepting other disadvantages. These other disadvantages lie in particular in the structural design, since it is no longer possible to tension the firing pin mounted in the locking piece in a conventional and tried and tested manner by pressing the setting tool against the ground. This leads to the fact that in the known solution a hammer acting on the firing pin is arranged in an axis deviating from the firing pin, which requires the provision of a bell crank between the hammer and the firing pin.
- the invention is therefore based on the object of a powder-operated setting tool of the type mentioned create, which has a recoil-reducing design and also allows a simple tensioning of the firing pin in a conventional manner.
- the object is achieved in that a latching element is provided between the housing and the closure piece, which can be disengaged while overcoming a predetermined force acting against the setting direction and generated by the gas pressure generated after ignition of the propellant charge and allowing the displacement of the closure piece against the setting direction.
- the latching element prevents the locking piece from moving in the engaged position by being supported on the housing during the displacement of the barrel, which is achieved by pressing a muzzle part against the ground, so that a tensioning spring supported in the locking piece of the ignition pin can be tensioned by the pressing.
- the spring element acting in the setting direction on the closure piece can be dimensioned small in terms of force, since it only has the function of displacing the closure piece into the initial position on the setting direction.
- the force which causes the disengagement of the locking element and is generated by the gas pressure can be considerably greater than the tensioning force for the tensioning spring.
- the locking element is advantageously arranged on the closure piece. This allows the housing to be protected from mechanical damage from the outside.
- a stop shoulder facing the setting element for the latching element is expediently provided on the housing.
- the stop shoulder can, for example, through the boundary wall a recess or an opening in the housing.
- the locking element is preferably designed as a one-armed rocker arm.
- One end of the rocker arm can serve as a pivot bearing which is supported in the closure piece, while the other end carries a detent which comes into contact with the stop shoulder on the housing side.
- the closure piece can have a recess in which the rocker arm is essentially accommodated, the recess being advantageously dimensioned such that the rocker arm can be immersed for disengagement.
- the rocker arm is advantageously disengaged in that the rocker arm has a control cam that serves to disengage and cooperates with a control cam.
- the control cam can sit on the closure piece and moves together with the closure piece against the setting direction after the ignition process when the gas pressure is generated.
- the rocker arm which cannot be moved backwards by being supported on the stop shoulder on the housing side, is disengaged from the control cam via the control cam after covering a certain displacement path of the locking piece and is dragged along by the locking piece which moves further against the setting direction.
- the locking element is expediently disengaged against the force of a return spring in order to ensure the locking connection between the housing and the closure piece.
- a return spring spring is suitable, for example, which on the one hand exerts the force for resetting the locking element and on the other hand can serve as an elastic buffer for the closure piece.
- the setting tool has a housing 1 with a laterally projecting handle 1a.
- a trigger 2 for triggering the ignition process is arranged in the handle 1a.
- a mouth part protrudes from the front of the housing 1 against a base.
- the mouth part in the housing 1 shifts a barrel 5 backwards into the position shown in FIG. 1.
- a drive pin 6 projecting towards the rear is mounted and held in place by a cross pin 7 so that it cannot move.
- a closure piece 8 is slidably mounted in an essentially tubular guide body 9 of the housing 1.
- the guide body 9 is contained in a plastic shell 11 of the housing 1.
- a locking element 12 in the form of a one-armed rocker arm is mounted in the closure piece 8.
- the latching element 12 protrudes with the front end 12a into a bearing bore 8a of the closure piece 8.
- the other end of the locking element 12 has a laterally projecting locking lug 12b, which in the ready-to-fire position (FIG. 1) is inserted into a window-like recess 9a of the housing 1 or of the guide body 9 and is supported to the rear on a stop shoulder 9b formed by the recess 9a .
- a return spring 13 consisting of stacked disc springs holds the locking element 12 in the engaged position.
- the return spring 13 is supported by washers 14, 15 to the rear on a shoulder 12c of the latching element 12 and to the front on a shoulder 8b of the closure piece 8.
- the return spring 13 is mounted biased on the locking element 12, wherein a stop pin 16 is provided to maintain the preload as a support bearing for the disk 15 on the locking element 12.
- an ignition pin 17 is also slidably mounted. This has on the front a laterally projecting driving cam 17a.
- the driving cam 17a protrudes into the axial projection of the driving pin 6 protruding into the closure piece 8.
- the driving pin 6 takes the ignition pin 17 against the force of a tension spring 18 supported on the rear side in the closing piece 8 while engaging the driving cam 17a Ready to ignite with.
- the firing pin 17 In order to ignite a propellant charge 19 seated in a receptacle 5a in the barrel 5, the firing pin 17 has an ignition tip 17b which projects forward. This can penetrate to the propellant charge 19 by reaching through a passage opening 8c in the closure piece 8.
- the receptacle 5a is connected via a channel 5b to the barrel bore 5c, in which a driving piston 21 is displaceably mounted in a known manner.
- a retraction spring 22 On the rear, a retraction spring 22 is seated on the firing pin 17, which is supported on the firing pin 17 via a disk 23 to the rear and via a support ring 24 to the front.
- the locking piece 8 is acted upon by a spring element 25 which is supported on the housing 1 or on the guide body 9, that is to say in the setting direction.
- the tension of the spring element 25 is not influenced by the displacement of the firing pin 17 in the ready-to-fire position, since the tensioning forces are supported on the housing 1 by the locking piece 8 via the engaged locking element 12.
- the spring element 25 can therefore be dimensioned small in terms of force, since it only has to fulfill the function of pushing the closure piece 8 into the position which can be seen in FIG. 1.
- the initiation of the ignition process takes place by actuating the trigger 2, whereby the ignition pin 17 is rotated by means known per se and not shown in more detail and thereby the driving cam 17a comes out of the effective range of the driving pin 6.
- the firing pin 17 is then driven by the tensioned tension spring 18 against the propellant charge 19, which is thus ignited by the firing tip 17b.
- the firing pin 17 is then retracted by the retraction spring 22 to such an extent that the firing tip 17b is at a distance from the propellant charge 19.
- the gas pressure resulting from the ignition of the propellant charge 19 acts on the propellant piston 21. This is accelerated in the barrel bore 5c for driving a fastening element into an underground in the setting direction. However, the gas pressure also generates forces acting against the setting direction on the barrel 5 and on the closure piece 8. These forces exceed the tension force of the return spring 13, so that a relative displacement of the closure piece 8 with respect to the latching element 12 occurs.
- a control cam 8d on the closure piece 8 with a control cam 12d on the locking element 12 this relative displacement leads to the locking element 12 being disengaged from the recess 9a. This takes place against the force of the return spring 13 by pivoting the locking element 12 around the front end 12a serving as the articulation point in the bearing bore 8a.
- the locking element 12 slides with the locking lug 12b along the inner contour of the guide body 9, as shown in FIG. 2.
- the locking element 12 is supported against the setting direction on a back 8e of the closure piece 8.
- the closure piece 8 is again driven into the ignition-ready position shown in FIG. 1 by the force of the spring element 25.
- the moving locking element 12 thus comes with the locking lug 12b back into the region of the recess 9a and is engaged by the return spring 13 by pivoting.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Disintegrating Or Milling (AREA)
- Catching Or Destruction (AREA)
- Fertilizing (AREA)
- Lock And Its Accessories (AREA)
- Cleaning In General (AREA)
- Coating Apparatus (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Vehicle Body Suspensions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Confectionery (AREA)
- Power Steering Mechanism (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Soil Working Implements (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Crushing And Pulverization Processes (AREA)
- Bedding Items (AREA)
- Powder Metallurgy (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Preliminary Treatment Of Fibers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4022673 | 1990-07-17 | ||
DE4022673A DE4022673A1 (de) | 1990-07-17 | 1990-07-17 | Pulverkraftbetriebenes setzgeraet |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0467834A2 EP0467834A2 (de) | 1992-01-22 |
EP0467834A3 EP0467834A3 (en) | 1992-06-03 |
EP0467834B1 true EP0467834B1 (de) | 1994-03-09 |
Family
ID=6410430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91810536A Expired - Lifetime EP0467834B1 (de) | 1990-07-17 | 1991-07-08 | Pulverkraftbetriebenes Setzgerät |
Country Status (14)
Country | Link |
---|---|
US (1) | US5114064A (fi) |
EP (1) | EP0467834B1 (fi) |
JP (1) | JP2756380B2 (fi) |
KR (1) | KR0181505B1 (fi) |
AT (1) | ATE102533T1 (fi) |
AU (1) | AU640802B2 (fi) |
CA (1) | CA2047106C (fi) |
CZ (1) | CZ279462B6 (fi) |
DE (2) | DE4022673A1 (fi) |
DK (1) | DK0467834T3 (fi) |
ES (1) | ES2050046T3 (fi) |
FI (1) | FI99093C (fi) |
HU (1) | HU209677B (fi) |
PL (1) | PL166606B1 (fi) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10107979B4 (de) * | 2001-02-19 | 2012-12-13 | Hilti Aktiengesellschaft | Setzgerät |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5269450A (en) * | 1993-02-10 | 1993-12-14 | Illinois Tool Works, Inc. | Hammer-strikable, powder-actuated, fastener-driving tool |
US5337566A (en) * | 1993-03-18 | 1994-08-16 | Burndy Corporation | Powder actuated compression tool |
US5425488A (en) * | 1993-11-05 | 1995-06-20 | Thompson William J | Impact actuated tool for driving fasteners |
DE19532411A1 (de) * | 1995-09-01 | 1997-03-06 | Hilti Ag | Pulverkraftbetriebenes Setzgerät |
US5715983A (en) * | 1996-10-10 | 1998-02-10 | Lee; Cheng-Ho | Firing mechanism for a staple gun |
DE19831053A1 (de) * | 1998-07-13 | 2000-01-20 | Hilti Ag | Pulverkraftbetriebenes Setzgerät |
US6059162A (en) * | 1998-10-16 | 2000-05-09 | Illinois Tool Works Inc. | Exhaust baffle and spring assisted reset and dampener for powder actuated tool |
DE10105196B4 (de) * | 2001-02-06 | 2013-09-26 | Hilti Aktiengesellschaft | Setzgerät |
DE10251307B4 (de) * | 2002-11-04 | 2014-04-10 | Hilti Aktiengesellschaft | Brennkraftbetriebenes Setzgerät |
US7237705B2 (en) * | 2004-08-09 | 2007-07-03 | Powers Products Iii, Llc | Firing pin actuation and reset mechanism for a powder actuated setting tool and method |
DE102005006168B4 (de) * | 2005-02-10 | 2017-01-12 | Hilti Aktiengesellschaft | Brenngasbetriebenes Setzgerät |
DE102005006167B4 (de) * | 2005-02-10 | 2017-01-12 | Hilti Aktiengesellschaft | 10.02.2005Brenngasbetriebenes Setzgerät |
DE102007000226A1 (de) * | 2007-04-13 | 2008-10-16 | Hilti Aktiengesellschaft | Handgeführtes Eintreibgerät |
US20120000960A1 (en) * | 2010-02-12 | 2012-01-05 | Fernando Masas | Apparatus for installing explosively driven fasteners and fasteners for use therewith |
CN105269528B (zh) * | 2015-11-16 | 2018-03-27 | 宜宾伊力科技股份有限公司 | 一种射钉器 |
EP3184256A1 (de) * | 2015-12-23 | 2017-06-28 | HILTI Aktiengesellschaft | Pyrotechnisches eintreibgerät |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE521711A (fi) * | 1953-01-24 | |||
DE1224218B (de) * | 1964-09-17 | 1966-09-01 | Tornado Gmbh | Bolzensetzgeraet |
DE1603843C3 (de) * | 1967-10-02 | 1981-04-30 | Hilti AG, 9494 Schaan | Pulverkraftbetriebenes Bolzensetzgerät der Treibkolbenbauart |
US4015512A (en) * | 1974-10-29 | 1977-04-05 | Feerick Jay J | Gas-operated firearm |
GB2045673B (en) * | 1979-04-10 | 1983-03-23 | Prospection & Inventions | Powder actuated piston tool with power adjustment |
US4389920A (en) * | 1981-02-20 | 1983-06-28 | Dufour Sr Joseph H | Semiautomatic firearm |
US4493376A (en) * | 1982-07-02 | 1985-01-15 | Uniset Corporation | Fastener driving tool |
US4655380A (en) * | 1983-05-24 | 1987-04-07 | Pneutek, Inc. | Powder-actuated fastener-driving tool |
DE3606514A1 (de) * | 1986-02-28 | 1987-09-03 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet |
US4804127A (en) * | 1987-09-21 | 1989-02-14 | Master Machine Corporation | Fastener driving gun |
US4821938A (en) * | 1987-11-25 | 1989-04-18 | Haytayan Harry M | Powder-actuated fastener driving tool |
US4945730A (en) * | 1989-05-11 | 1990-08-07 | Burndy Corporation | Power activated tool with safety power cell |
-
1990
- 1990-07-17 DE DE4022673A patent/DE4022673A1/de not_active Withdrawn
-
1991
- 1991-07-08 AT AT91810536T patent/ATE102533T1/de not_active IP Right Cessation
- 1991-07-08 EP EP91810536A patent/EP0467834B1/de not_active Expired - Lifetime
- 1991-07-08 DK DK91810536.2T patent/DK0467834T3/da active
- 1991-07-08 DE DE91810536T patent/DE59101146D1/de not_active Expired - Fee Related
- 1991-07-08 ES ES91810536T patent/ES2050046T3/es not_active Expired - Lifetime
- 1991-07-10 FI FI913340A patent/FI99093C/fi active
- 1991-07-15 HU HU912378A patent/HU209677B/hu not_active IP Right Cessation
- 1991-07-16 CZ CS912196A patent/CZ279462B6/cs not_active IP Right Cessation
- 1991-07-16 PL PL91291094A patent/PL166606B1/pl unknown
- 1991-07-16 KR KR1019910012094A patent/KR0181505B1/ko not_active IP Right Cessation
- 1991-07-16 CA CA002047106A patent/CA2047106C/en not_active Expired - Fee Related
- 1991-07-17 AU AU81116/91A patent/AU640802B2/en not_active Ceased
- 1991-07-17 JP JP3201166A patent/JP2756380B2/ja not_active Expired - Lifetime
- 1991-07-17 US US07/731,501 patent/US5114064A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10107979B4 (de) * | 2001-02-19 | 2012-12-13 | Hilti Aktiengesellschaft | Setzgerät |
Also Published As
Publication number | Publication date |
---|---|
FI913340A0 (fi) | 1991-07-10 |
JP2756380B2 (ja) | 1998-05-25 |
FI99093B (fi) | 1997-06-30 |
AU640802B2 (en) | 1993-09-02 |
DE59101146D1 (de) | 1994-04-14 |
CA2047106C (en) | 1998-03-31 |
AU8111691A (en) | 1992-01-23 |
PL166606B1 (pl) | 1995-06-30 |
KR920002276A (ko) | 1992-02-28 |
FI913340A (fi) | 1992-01-18 |
FI99093C (fi) | 1997-10-10 |
CA2047106A1 (en) | 1992-01-18 |
EP0467834A2 (de) | 1992-01-22 |
DE4022673A1 (de) | 1992-01-23 |
KR0181505B1 (ko) | 1999-05-01 |
CZ279462B6 (cs) | 1995-05-17 |
ATE102533T1 (de) | 1994-03-15 |
EP0467834A3 (en) | 1992-06-03 |
HUT58583A (en) | 1992-03-30 |
CS219691A3 (en) | 1992-02-19 |
PL291094A1 (en) | 1992-01-27 |
HU209677B (en) | 1994-10-28 |
JPH04226873A (ja) | 1992-08-17 |
ES2050046T3 (es) | 1994-05-01 |
HU912378D0 (en) | 1991-12-30 |
US5114064A (en) | 1992-05-19 |
DK0467834T3 (da) | 1994-07-11 |
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