EP0798084B1 - Appareil d'entraínement de tampon par masselotte à retour automatique en position du tir - Google Patents
Appareil d'entraínement de tampon par masselotte à retour automatique en position du tir Download PDFInfo
- Publication number
- EP0798084B1 EP0798084B1 EP97400523A EP97400523A EP0798084B1 EP 0798084 B1 EP0798084 B1 EP 0798084B1 EP 97400523 A EP97400523 A EP 97400523A EP 97400523 A EP97400523 A EP 97400523A EP 0798084 B1 EP0798084 B1 EP 0798084B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- barrel
- space
- displacement
- combustion chamber
- 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
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
-
- 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
- B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
Definitions
- the present invention relates to a tampon driving apparatus for fixing a part to a support material, by means of a counterweight arranged to be propelled forward in a barrel under the action of combustion gas from a cartridge disposed in a barrel combustion chamber and comprising, along the counterweight, a reminder chamber with an anterior space closed by a surface front of the counterweight and a posterior space arranged for, after a first movement towards the front of the counterweight, communicate with the combustion chamber, for then, and after communication of the two spaces, be isolated from the previous space and the counterweight is pulled back into the barrel.
- the present invention aims to simplify such an apparatus in order to eliminate the aforementioned drawbacks.
- the invention relates to an apparatus of the type defined above and characterized according to either of independent claims 1 and 4.
- the internal communication groove of the barrel may extend axially over a length equal to the difference between the second displacement and intermediate displacement of the raised flyweight the axial thickness of the counterweight head.
- the barrel combustion chamber is extended in a nozzle projecting forward and arranged to enter the rear skirt of the flyweight head.
- the counterweight may include a head extended by a appendage protruding rearward and arranged to enter the combustion chamber.
- the apparatus of Figures 1 to 3 comprises, integral with a handle 1, a device firing 2, a percussion device 3, means, not shown, receiving and driving here a disc 4 cartridge loader 11 and a set 5 for driving a fixing pad 6 in a material support 7.
- the drive assembly 5 comprises, in a cylindrical tube 8, mounted in the handle, a barrel 9 with an axis 20, in the barrel 9, a counterweight 10, screwed into the front of the barrel, a guide support 12 and, in the support 12, a buffer guide 13.
- a member 29 for amortization of the counterweight.
- combustion chamber 15 which is extends into an internal sleeve 16, in the form of a nozzle, projecting towards the front in the main part of the barrel.
- the counterweight 10 comprises a head 17, a front rod 18 and a skirt posterior 19 inside which the inner sleeve 16 of the barrel can enter.
- a plurality of axial grooves 21 are provided at the inner periphery of the barrel 9, in one place and over a length which will appear further on.
- the rear skirt 19 of the counterweight has an external lateral recess annular 22, so that the outer diameter of the skirt is smaller than the diameter of the head 17 and this skirt is pierced, in its rear part, with a passage 23. There could also be several passages.
- the barrel also has a longitudinal annular external lateral recess 24 opening, on the one hand, into the bore of the barrel by a passage 25 pierced in the rear part of the barrel 9, here in the axial length of the nozzle 16, and, on the other hand, outside the device when it is in the open position by through a passage 26, drilled in the cylindrical tube 8 gun holder, and a longitudinal annular external lateral recess 27 formed on the tube 8.
- the barrel and the flyweight define a return of the flyweight along the flyweight, in this case around it, with an anterior space and a posterior space.
- the anterior space 30 is formed between the counterweight rod 18 and the part of the barrel in front of the grooves 21; it is closed by the anterior frontal surface 28 of the flyweight head 17.
- the posterior space is formed essentially by the annular recess 22 around the counterweight skirt 19.
- the rear space 22 of the reminder chamber can communicate with the combustion chamber 15 through passage 23 and the two front spaces 30 and posterior 22 can communicate with each other through the barrel grooves 21.
- the barrel 9 can slide in the barrel-carrying tube 8 between a front position, in abutment against a washer 31 at the bottom of a ring 32 screwed onto the tube 8, and a rear position, pressing against a front stop 33 of the housing of the charger 4.
- the counterweight 10 by a tapered front portion 34 of its rod 18, can slide in the bore of the buffer guide 13.
- the device After inserting a fixing pad 6 into the pad guide 13 and placing cartridges 11 on the magazine 4, the device is pressed against the support 7.
- the buffer guide 13 slides backwards, compresses the spring 14, abuts against the damping member 29 and thus drives the barrel 9 backwards which activates the firing system 2 and positions a cartridge 11 in the combustion chamber 15.
- grooves 21 extend axially over a length equal to the difference between the second displacement and the displacement intermediate of the counterweight increased by the axial thickness of the head of counterweight 17.
- the flyweight continues to run forward, compressing the trapped gases in the anterior space 30, until, first, the posterior skirt of counterweight 19 clears the passage 25 drilled in the barrel and authorizes the evacuation of gases from the posterior space 22 to the atmosphere then, by the clean energy of the counterweight, that the buffer 6 is fixed in the support 7 (figure 3).
- the counterweight Under the pressure of the gases in the anterior space 30, the counterweight is then recalled to the rear in the firing position, the return being facilitated by the communication of the posterior space 22 with the exterior of the device.
- the spring 14 recalls the buffer guide 13 and the barrel 9 forwards and the magazine 4 advances by one step and the buffer guide comes occupy a position in front of the weight rod portion 18 no tapered.
- the variant embodiment of the apparatus of FIGS. 4 to 6 is not distinguished from the first embodiment of Figures 1 to 3 as a whole 5.
- the flyweight 50 has an extended head 51, towards the front, by a rod 52 with a tapered front portion 53 and, towards the rear, by a appendage 54 of section narrowed relative to that of the head 51.
- a cartridge holder 55 of internal section at the front of the cartridge housing 56, substantially equal to that of the flyweight appendage 54. But this cartridge holder and the barrel could also be self-contained.
- the barrel wall 57 In front of the cartridge holder 55, the barrel wall 57 has a extra thickness in the plane of which the inner section of the barrel is equal to that of the cartridge holder 55 and forming with the front barrel part 58 a annular shoulder 59 of stop of the counterweight head 51.
- a passage 62 opening into the bore of the barrel, at the front, through an opening anterior 60 and, at the rear, by a posterior opening 61.
- the barrel has an external lateral recess longitudinal annular 63 opening and into the bore of the barrel, by a passage 64 in the barrel, and outside the device, by passage 65 in the barrel holder 8.
- the return weight chamber here also includes an anterior space 66, at the front of the counterweight head 51 and its front surface 68, and a posterior space 67 here constituted by the communication passage 60 - 62 the along the counterweight 50.
- the axial length of the passage 62, at the dimension of the openings 60, 61 close, is here substantially equal to the sum of the axial lengths of the flyweight head 51, of the bore of the cartridge holder 55 and double the axial length of the excess thickness of canon 57.
- the flyweight 50 continues to run forward and, when the head of counterweight 51 arrives at the right of the anterior opening 60 of passage 62, the flyweight having traveled, since the start of propulsion, one second distance, the counterweight head 51 closes the anterior opening 60, which isolates posterior space 67 of anterior space 66.
- the flyweight continues to run forward while compressing the gases trapped in the anterior space 66 until the buffer. So, under the pressure of the gases in the anterior space 66, and thanks to the exhaust of gases from the posterior space 67 towards the outside, the counterweight is recalled backwards. Its complete return to the firing position is guaranteed, always as before, by the ring 38 and the balls 37.
- the air mattress, formed at the rear of the counterweight after its return to the rear, under the action of balls 37 and ring 38, is compressed into a corresponding volume substantially to that of the inner bore of the nozzle 16.
- the mattress at the rear of the counterweight is compressed into a volume corresponding substantially to that of the housing cartridge 56, much smaller than that of the inner bore of the nozzle 16 of the first embodiment.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Fire Alarms (AREA)
- Manipulator (AREA)
Description
- la figure 1 est une vue en coupe axiale de la première forme de réalisation de l'appareil, juste avant la mise à feu ;
- la figure 2 est une vue analogue à la figure 1, la masselotte en position intermédiaire ;
- la figure 3 est une vue analogue aux précédentes, après retour incomplet de la masselotte et avant sortie d'appui de l'appareil,
- la figure 4 est une vue en coupe axiale de la deuxième forme de réalisation de l'appareil, juste avant la mise à feu ;
- la figure 5 est une vue analogue à la figure 1, la masselotte en position intermédiaire et
- la figure 6 est une vue analogue aux précédentes, juste avant retour de la masselotte.
Claims (6)
- Appareil d'entraínement de tampon (6) pour fixation d'une pièce à un matériau support, par l'intermédiaire d'une masselotte (10) agencée pour être propulsée vers l'avant dans un canon (9) sous l'action de gaz de combustion d'une cartouche (11) disposée dans une chambre de combustion du canon (15) et comprenant, le long de la masselotte, une chambre de rappel avec un espace antérieur (30) fermé par une surface frontale (28) de la masselotte (10) et un espace postérieur (22) agencé pour, après un premier déplacement vers l'avant de la masselotte (10), communiquer avec la chambre de combustion (15), pour, ensuite, et après mise en communication des deux espaces (30, 22) être isolé de l'espace antérieur (30) et que la masselotte (10) soit rappelée vers l'arrière dans le canon (9), caractérisé par le fait que les deux espaces antérieur (30) et postérieur (22) communiquent entre eux au cours du déplacement de la masselotte (10) et l'espace postérieur (22) est isolé de l'espace antérieur (30) après un second déplacement vers l'avant de la masselotte (10) suite auquel, l'espace postérieur (22) communiquant avec l'extérieur de l'appareil, la détente des gaz de combustion piégés dans l'espace antérieur (30) rappelle la masselotte (10) vers l'arrière en position de tir, la chambre de rappel (30, 22) étant ménagée directement entre la masselotte (10) et le canon (9), la masselotte (10) comportant une tête (17) pourvue d'une jupe postérieure (19) à la périphérie externe de laquelle est ménagé ledit espace postérieur (22) et qui est percé au moins d'un passage (23) de communication entre cet espace postérieur (22) et la chambre de combustion (15) et le canon (9) étant pourvu au moins d'une rainure interne (21) de communication, après un déplacement intermédiaire, entre les deux espaces antérieur (30) et postérieur (22).
- Appareil selon la revendication 1, dans lequel la rainure interne de communication (21) du canon (9) s'étend axialement sur une longueur égale à la différence entre le second déplacement et le déplacement intermédiaire de la masselotte (10) augmentée de l'épaisseur axiale de la tête de masselotte (17).
- Appareil selon l'une des revendications 1 et 2, dans lequel la chambre de combustion (15) du canon (9) se prolonge dans une tuyère (16) en saillie vers l'avant et agencée pour s'introduire dans la jupe postérieure (19) de la tête de masselotte (17).
- Appareil d'entraínement de tampon (6) pour fixation d'une pièce à un matériau support, par l'intermédiaire d'une masselotte (50) agencée pour être propulsée vers l'avant dans un canon (58) sous l'action de gaz de combustion d'une cartouche (11) disposée dans une chambre de combustion du canon (55, 56) et comprenant, le long de la masselotte, une chambre de rappel avec un espace antérieur (66) fermé par une surface frontale (68) de la masselotte (50) et un espace postérieur (61) agencé pour, après un premier déplacement vers l'avant de la masselotte (50), communiquer avec la chambre de combustion (55, 56), pour, ensuite, et après mise en communication des deux espaces (66, 61) être isolé de l'espace antérieur (66) et que la masselotte (50) soit rappelée vers l'arrière dans le canon (58), caractérisé par le fait que les deux espaces antérieur (66) et postérieur (61) communiquent entre eux au cours du déplacement de la masselotte (50) et l'espace postérieur (61) est isolé de l'espace antérieur (66) après un second déplacement vers l'avant de la masselotte (50) suite auquel, l'espace postérieur (61) communiquant avec l'extérieur de l'appareil, la détente des gaz de combustion piégés dans l'espace antérieur (66) rappelle la masselotte (50) vers l'arrière en position de tir, l'espace postérieur de la chambre de rappel comportant, ménagé dans le canon (58), un passage (62) de communication entre la chambre de combustion (55, 56) et l'espace antérieur (66) et la tête de masselotte (51) étant agencée pour, après ledit premier déplacement, découvrir une ouverture postérieure (61) du passage (62) du canon (58) et, après ledit second déplacement, obturer une ouverture antérieure (60) dudit passage (62).
- Appareil selon la revendication 4, dans lequel la longueur axiale du passage de communication (62) est sensiblement égale à la somme des longueurs axiales de la tête de masselotte (51), de l'alésage du porte-cartouche (55) et du double de la longueur axiale d'une surépaisseur de canon (57).
- Appareil selon l'une des revendications 4 et 5, dans lequel la masselotte (50) comporte une tête (51) prolongée par un appendice (54) en saillie vers l'arrière et agencé pour s'introduire dans la chambre de combustion (55, 56).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9603722A FR2746690B1 (fr) | 1996-03-26 | 1996-03-26 | Appareil d'entrainement de tampon par masselotte a retour automatique en position du tir |
FR9603722 | 1996-03-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0798084A1 EP0798084A1 (fr) | 1997-10-01 |
EP0798084B1 true EP0798084B1 (fr) | 2002-12-11 |
Family
ID=9490536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97400523A Expired - Lifetime EP0798084B1 (fr) | 1996-03-26 | 1997-03-07 | Appareil d'entraínement de tampon par masselotte à retour automatique en position du tir |
Country Status (8)
Country | Link |
---|---|
US (1) | US5797534A (fr) |
EP (1) | EP0798084B1 (fr) |
JP (1) | JPH106240A (fr) |
KR (1) | KR100418140B1 (fr) |
AT (1) | ATE229408T1 (fr) |
DE (1) | DE69717701T2 (fr) |
ES (1) | ES2188877T3 (fr) |
FR (1) | FR2746690B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2412482A2 (fr) | 2010-07-29 | 2012-02-01 | fischerwerke GmbH & Co. KG | Appareil de scellement à combustion |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPM948894A0 (en) * | 1994-11-17 | 1994-12-08 | Ramset Fasteners (Aust.) Pty. Limited | Power actuated fastening tool |
DE19617671C1 (de) * | 1996-05-03 | 1997-10-09 | Beto Tornado Gmbh | Pulverkraftbetriebenes Bolzensetzgerät |
DE19617672C1 (de) * | 1996-05-03 | 1997-10-09 | Beto Tornado Gmbh | Pulverkraftbetriebenes Bolzensetzgerät |
DE19800847A1 (de) * | 1997-12-04 | 1999-06-17 | Gerd Dr Ing Kellner | Gerät zum Setzen eines Befestigungselementes in einen Setzuntergrund und Verwendung des Gerätes |
DE19755730A1 (de) * | 1997-12-15 | 1999-06-17 | Hilti Ag | Bolzensetzgerät |
US5911351A (en) * | 1998-01-02 | 1999-06-15 | Stanley Fastening Systems, L.P. | Pneumatic fastening device having improved nose sealing arrangement |
US6092710A (en) * | 1998-06-09 | 2000-07-25 | Berner Gmbh | Explosive powder charge operated bolt-setting tool |
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 |
AUPP770598A0 (en) * | 1998-12-14 | 1999-01-14 | Ramset Fasteners (Aust.) Pty. Limited | Power actuated tools |
DE10105879C2 (de) * | 2001-02-09 | 2002-12-12 | Hilti Ag | Kolbenhalterung |
DE10105885C1 (de) * | 2001-02-09 | 2002-06-13 | Hilti Ag | Kolbenhalterung |
DE10105880C2 (de) * | 2001-02-09 | 2003-04-10 | Hilti Ag | Kolbenhalterung |
DE10105882C2 (de) * | 2001-02-09 | 2002-12-05 | Hilti Ag | Kolbenhalterung |
AUPR857501A0 (en) * | 2001-10-30 | 2001-11-29 | Cetram Pty Limited | Fastener driving tools |
US7135227B2 (en) | 2003-04-25 | 2006-11-14 | Textronics, Inc. | Electrically conductive elastic composite yarn, methods for making the same, and articles incorporating the same |
FR2870770B1 (fr) * | 2004-05-27 | 2006-08-11 | Prospection Et D Inv S Techniq | Appareil de fixation a gaz a carter de moteur thermique monte flottant a l'avant |
US7287679B2 (en) * | 2004-07-28 | 2007-10-30 | Powers Products Iii, Llc | Powder activated setting tool piston retainer arrangement and method |
DE102005000106B4 (de) * | 2005-08-25 | 2014-02-27 | Hilti Aktiengesellschaft | Setzgerät |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2877750A (en) * | 1957-05-29 | 1959-03-17 | Olin Mathieson | Hammer and buffer mechanism |
US3323705A (en) * | 1965-08-20 | 1967-06-06 | Impex Essen Vertrieb | Cartridge-operated stud-setting device for studs of different lengths |
US3678808A (en) * | 1970-12-09 | 1972-07-25 | Omark Industries Inc | Energy dissipating mechanisms |
AU460557B2 (en) * | 1974-06-11 | 1975-04-11 | Olin Corporation | Powder-actuated tool |
DE2632413A1 (de) * | 1976-07-19 | 1978-01-26 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet mit einer abfangvorrichtung fuer den treibkolben |
US4196834A (en) * | 1978-12-11 | 1980-04-08 | Olin Corporation | Noise reducer for powder actuated fastening tool |
US4358041A (en) * | 1980-06-12 | 1982-11-09 | Olin Corporation | Powder-actuated tool with power adjustment and angle-fire control |
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 |
EP0424941B1 (fr) * | 1989-10-27 | 1994-01-05 | Hitachi Koki Co., Ltd. | Appareil pour enfoncer des attaches actionné par une force de combustion |
DE4022674A1 (de) * | 1990-07-17 | 1992-01-23 | Hilti Ag | Pulverkraftbetriebenes setzgeraet |
US5191861A (en) * | 1991-07-12 | 1993-03-09 | Stanley-Bostitch, Inc. | Internal combustion actuated portable tool |
DE4313504A1 (de) * | 1993-04-24 | 1994-10-27 | Hilti Ag | Pulverkraftbetriebenes Setzgerät |
US5680980A (en) * | 1995-11-27 | 1997-10-28 | Illinois Tool Works Inc. | Fuel injection system for combustion-powered tool |
-
1996
- 1996-03-26 FR FR9603722A patent/FR2746690B1/fr not_active Expired - Fee Related
-
1997
- 1997-03-07 DE DE69717701T patent/DE69717701T2/de not_active Expired - Fee Related
- 1997-03-07 AT AT97400523T patent/ATE229408T1/de not_active IP Right Cessation
- 1997-03-07 EP EP97400523A patent/EP0798084B1/fr not_active Expired - Lifetime
- 1997-03-07 ES ES97400523T patent/ES2188877T3/es not_active Expired - Lifetime
- 1997-03-21 KR KR1019970009723A patent/KR100418140B1/ko not_active IP Right Cessation
- 1997-03-26 JP JP9074028A patent/JPH106240A/ja active Pending
- 1997-03-26 US US08/825,038 patent/US5797534A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2412482A2 (fr) | 2010-07-29 | 2012-02-01 | fischerwerke GmbH & Co. KG | Appareil de scellement à combustion |
DE102010036723A1 (de) | 2010-07-29 | 2012-02-02 | Fischerwerke Gmbh & Co. Kg | Brennkraftbetriebenes Setzgerät |
Also Published As
Publication number | Publication date |
---|---|
KR100418140B1 (ko) | 2004-04-06 |
KR970064834A (ko) | 1997-10-13 |
FR2746690B1 (fr) | 1998-05-29 |
US5797534A (en) | 1998-08-25 |
DE69717701T2 (de) | 2003-09-04 |
ES2188877T3 (es) | 2003-07-01 |
DE69717701D1 (de) | 2003-01-23 |
JPH106240A (ja) | 1998-01-13 |
ATE229408T1 (de) | 2002-12-15 |
FR2746690A1 (fr) | 1997-10-03 |
EP0798084A1 (fr) | 1997-10-01 |
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