EP0779132B1 - Appareil de scellement de tampons de fixation - Google Patents

Appareil de scellement de tampons de fixation Download PDF

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Publication number
EP0779132B1
EP0779132B1 EP96402380A EP96402380A EP0779132B1 EP 0779132 B1 EP0779132 B1 EP 0779132B1 EP 96402380 A EP96402380 A EP 96402380A EP 96402380 A EP96402380 A EP 96402380A EP 0779132 B1 EP0779132 B1 EP 0779132B1
Authority
EP
European Patent Office
Prior art keywords
braking
ring
piston
muzzle bushing
braking means
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
Application number
EP96402380A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0779132A1 (fr
Inventor
Roland Almeras
Frédéric Nayrac
Patrick Herelier
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.)
Societe de Prospection et dInventions Techniques SPIT SAS
Original Assignee
Societe de Prospection et dInventions Techniques SPIT SAS
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 Societe de Prospection et dInventions Techniques SPIT SAS filed Critical Societe de Prospection et dInventions Techniques SPIT SAS
Publication of EP0779132A1 publication Critical patent/EP0779132A1/fr
Application granted granted Critical
Publication of EP0779132B1 publication Critical patent/EP0779132B1/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
    • B25C1/14—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil

Definitions

  • the present invention relates to an apparatus for sealing tampons attachment, with flyweight intended to be propelled forward in a barrel and to slide in a front part of the device acting as a buffer guide, to drive a tampon and seal it, then to be called back in firing position, with braking means which are arranged not to brake the counterweight that when sliding in one direction and comprising at least one brake ball mounted in a recess of the buffer guide and arranged to, by cooperation with the counterweight, be pushed radially towards it in its sliding in said direction.
  • the invention of this application does not, in turn, aim to improve the device of EP-A-0 346 275 but to propose using the ball device of braking as a generally called counterweight device, instead of usual ratchet.
  • the invention relates to a sealing device of the type mentioned. above, characterized in that the braking means are arranged to push the ball radially towards the counterweight and secure the buffer guide and the counterweight when the the device and sliding the pad guide backwards.
  • the buffer guide and the counterweight are secured in sliding and sliding backwards of the buffer guide therefore drives the counterweight backwards in the firing position.
  • the braking means are arranged to secure in sliding the buffer guide and the counterweight under the action of a spring opening the device.
  • the braking means are arranged to secure in sliding the buffer guide and the counterweight before the complete opening of the device and separate them at the end of the support.
  • the braking means comprise the opening spring, bearing against a shoulder of the barrel holder and against an integral guide ring in sliding of the buffer guide and mounted to slide in a groove of the barrel, and a braking ring, arranged to abut against the bottom front of the barrel groove and secure the buffer guide and the counterweight during the final sliding of the buffer guide forward.
  • the guide ring is screwed onto the buffer guide and the brake ring has a rear portion of enlarged inner section preventing any cooperation with the brake ball.
  • the means of brakes include a ring rotatably mounted on the pad guide, with a recess for receiving the ball, and the counterweight-comprises a portion of narrowed section rod.
  • the apparatus which will now be described is intended to seal a tampon 1 in a support material 2.
  • the apparatus comprises a handle 3, to which are integrated a firing system, with a cylinder head 4, and a system supply of cartridges 5.
  • a barrel 6, of axis 30, is mounted sliding in a gun holder 7 integral with the handle 3, of a stroke allowing the passage of the cartridge before firing.
  • This barrel stroke is obtained against the action of an opening spring 8, bearing against a washer 9, itself in abutment against a shoulder of the barrel holder 7, on the one hand, and against a guide ring 10 integral with a buffer guide 11, on the other hand.
  • the rear part 6 of the barrel is extended, towards the front, by a screwed part 6 ' in the rear part and in which at least one groove is formed longitudinal 12 in which the guide ring 10 is slidably mounted.
  • a flyweight 13 is mounted in the 6.6 'barrel to be propelled towards the front under the action of the energy of a cartridge 5, slide in the buffer guide 11 and drive the buffer 1 placed in the buffer guide.
  • the counterweight 13 is braked by a damping ring 14, on which its head abuts, the ring 14 being itself in abutment against a centering ring 15.
  • the apparatus comprises a device 16 for returning the counterweight to the firing position comprising, in addition to the buffer guide 11, the guide ring 10, the spring 8 and the front barrel part 6 ′, with its groove 12, a braking ring 17, and a pair of brake balls 18.
  • the guide ring 10 is screwed onto an annular projection 19 of the pad guide 11 ( Figure 4).
  • the braking ring 17, slidably mounted on the buffer guide 11, comprises a rear portion 20 of inner section enlarged relative to that of the front portion corresponding substantially to that of the outer wall of the pad guide, and it is extended forward by two lateral support arms 21 extending through openings 25 formed in the annular projection 19. Cut-outs 22 formed in the enlarged portion 20 form tongues 23 elastically deformable radially.
  • the buffer guide 11 At the rear of the buffer guide 11 are drilled, diametrically opposite, two recesses 24 in which the brake balls 18 are housed.
  • the balls have a diameter substantially equal to that of their receiving housings 24 but larger than the thickness of the buffer guide in which they are drilled.
  • the buffer guide 11 moves back and, at the end of the support, it comes into contact with the centering ring 15 against the action of the spring 8 via the guide ring 10.
  • the latter carries, in rear of the recesses 24 for receiving the braking balls 18, a rod 40 which performs two functions.
  • the first is to prevent, by stop effect, that the braking ring 17 does not separate from the buffer guide.
  • the second function is to ensure a positive connection between the counterweight and the ring in still serving as a stop for the braking ring 17 which is pushed towards the rear under the action of the braking balls 18 subjected to the force of the counterweight 13 which, when the device is supported, tends to drive in rotation.
  • a portion 131 of the rod of the counterweight 13 has a section of diameter smaller than that of the bore 111 of the buffer guide 11. Thanks to this, the braking balls 18 can more easily protrude into bore 111 without having to defeat the resistance of the counterweight rod. In addition, at the time of implementation support, the reaction of the balls 18 in contact with the counterweight rod 131 is more effective.
  • the counterweight 13 has a rod portion 131 with narrowed section
  • the braking ring 17 is mounted rotating on the buffer guide 11 and in the return position under the action of a torsion spring 117 fixed to the braking ring 17 and to the guide ring 10
  • the braking ring 17 has two internal recesses 217, for partially receive the braking balls 18 allowing them to fade and move away from the counterweight rod
  • the braking ring 17 has a external cam surface 317 intended to cooperate with a finger, fixed in rotation, of barrel 6, to rotate it against the action of the torsion spring 117.
  • This cam surface is in this case an inclined peripheral ramp, from the rear transverse edge 417 of the ring 17, as well on the axis 30 of the device only on a plane perpendicular to this axis 30, that of FIG. 7 for example, the finger of the barrel 6 projecting axially forward.
  • the spring 8 drives the guide ring 10 and the buffer guide 11 forwards until the front edge 106 of the ring 10 abuts against the bottom front 27 of the groove 12, without neither the braking ring 17 nor the counterweight 13 have not been moved relative to the buffer guide 11.
  • the balls 18 After inserting a new tampon in the tampon guide, when you put the device resting again, the balls 18 cooperate with the shoulder annular 132 formed on the counterweight by its narrowed portion 131, for return the counterweight 13 backwards, in the manner of a return pawl.
  • the counterweight is released by rotation of the braking ring 17 by the finger of the barrel 6 and spacing of the balls 18 and reception in the recesses 217 of the ring 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Braking Arrangements (AREA)
  • Clamps And Clips (AREA)
  • Sheet Holders (AREA)
  • Pipe Accessories (AREA)
  • Cable Accessories (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Closures For Containers (AREA)
  • Seal Device For Vehicle (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Sealing Devices (AREA)
EP96402380A 1995-12-13 1996-11-08 Appareil de scellement de tampons de fixation Expired - Lifetime EP0779132B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9514763 1995-12-13
FR9514763A FR2742375B1 (fr) 1995-12-13 1995-12-13 Appareil de scellement de tampons de fixation

Publications (2)

Publication Number Publication Date
EP0779132A1 EP0779132A1 (fr) 1997-06-18
EP0779132B1 true EP0779132B1 (fr) 2002-06-05

Family

ID=9485452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96402380A Expired - Lifetime EP0779132B1 (fr) 1995-12-13 1996-11-08 Appareil de scellement de tampons de fixation

Country Status (9)

Country Link
US (1) US5881940A (enExample)
EP (1) EP0779132B1 (enExample)
JP (1) JPH09183078A (enExample)
KR (1) KR100195827B1 (enExample)
AT (1) ATE218415T1 (enExample)
AU (1) AU676818B1 (enExample)
DE (1) DE69621572T2 (enExample)
FR (1) FR2742375B1 (enExample)
NZ (1) NZ299885A (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2786420B1 (fr) 1998-11-30 2001-01-05 Prospection & Inventions Procede de pose d'une embase de fixation de piece et outil de fixation pour la mise en oeuvre du procede
DE19962696C1 (de) * 1999-12-23 2001-06-07 Hilti Ag Brennkraftbetriebenes Arbeitsgerät mit Bremseinrichtung für seinen Kolben
DE10105885C1 (de) * 2001-02-09 2002-06-13 Hilti Ag Kolbenhalterung
DE10105882C2 (de) * 2001-02-09 2002-12-05 Hilti Ag Kolbenhalterung
DE10105879C2 (de) * 2001-02-09 2002-12-12 Hilti Ag Kolbenhalterung
DE10105880C2 (de) * 2001-02-09 2003-04-10 Hilti Ag Kolbenhalterung
US6679411B2 (en) 2001-12-21 2004-01-20 Illinois Tool Works Inc. Piston retention system for a fastener driving tool
DE10254964B4 (de) * 2002-11-26 2014-02-13 Hilti Aktiengesellschaft Setzgerät
FR2848489B1 (fr) * 2002-12-11 2006-02-03 Prospection & Inventions Appareil de scellement a tir indirect
US10427277B2 (en) 2011-04-05 2019-10-01 Ingersoll-Rand Company Impact wrench having dynamically tuned drive components and method thereof
US9566692B2 (en) * 2011-04-05 2017-02-14 Ingersoll-Rand Company Rotary impact device
US9463557B2 (en) 2014-01-31 2016-10-11 Ingersoll-Rand Company Power socket for an impact tool
JP2013111719A (ja) * 2011-11-30 2013-06-10 Makita Corp 打込み工具
EP2923799A1 (de) * 2014-03-28 2015-09-30 HILTI Aktiengesellschaft Eintreibgerät
CN110757413B (zh) * 2018-07-26 2022-08-26 创科无线普通合伙 气动工具
US11338420B2 (en) * 2019-12-18 2022-05-24 Wang-Kuan Lin Powder actuated nail gun
US11453107B2 (en) * 2020-02-21 2022-09-27 Joe Lin Apparatus for installing explosively driven fasteners

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR61848E (fr) 1951-07-12 1955-05-18 Pistolet fixateur de scellements, rivets et tiges de raccordements
GB943640A (en) * 1960-09-26 1963-12-04 Olin Mathieson Explosive actuated tools for driving studs or other fastener elements
DE1478814A1 (de) * 1962-12-24 1969-03-06 Bettermann Elektro Ohg Setzgeraet zum Eintreiben von Bolzen od.dgl. in ein Bauteil mittels einer Treibladung
US4358041A (en) * 1980-06-12 1982-11-09 Olin Corporation Powder-actuated tool with power adjustment and angle-fire control
US4349141A (en) * 1980-06-12 1982-09-14 Olin Corporation Piston return for powder actuated piston tool
DE3151661A1 (de) * 1981-12-28 1983-07-07 Hilti AG, 9494 Schaan "setzgeraet mit von hochgespannten gasen treibbarem arbeitskolben"
DE3241528C2 (de) * 1982-11-10 1986-04-10 Eugen Lutz GmbH u. Co Maschinenfabrik, 7130 Mühlacker Werkzeugspannfutter für einen Bohrhammer
US4651912A (en) * 1985-05-28 1987-03-24 Uniset Corporation Hammer-activated fastener tool
DE3819813A1 (de) * 1988-06-10 1989-12-14 Hilti Ag Pulverkraftbetriebenes setzgeraet
US5269450A (en) * 1993-02-10 1993-12-14 Illinois Tool Works, Inc. Hammer-strikable, powder-actuated, fastener-driving tool
DE4313504A1 (de) * 1993-04-24 1994-10-27 Hilti Ag Pulverkraftbetriebenes Setzgerät

Also Published As

Publication number Publication date
FR2742375B1 (fr) 1998-02-13
KR970033611A (ko) 1997-07-22
FR2742375A1 (fr) 1997-06-20
ATE218415T1 (de) 2002-06-15
NZ299885A (en) 1998-04-27
AU676818B1 (en) 1997-03-20
DE69621572T2 (de) 2003-01-09
DE69621572D1 (de) 2002-07-11
US5881940A (en) 1999-03-16
EP0779132A1 (fr) 1997-06-18
JPH09183078A (ja) 1997-07-15
KR100195827B1 (ko) 1999-06-15

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