EP1428628A1 - Setzgerät mit Treibkolben - Google Patents

Setzgerät mit Treibkolben Download PDF

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Publication number
EP1428628A1
EP1428628A1 EP03293076A EP03293076A EP1428628A1 EP 1428628 A1 EP1428628 A1 EP 1428628A1 EP 03293076 A EP03293076 A EP 03293076A EP 03293076 A EP03293076 A EP 03293076A EP 1428628 A1 EP1428628 A1 EP 1428628A1
Authority
EP
European Patent Office
Prior art keywords
counterweight
balls
action
arms
barrel
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
EP03293076A
Other languages
English (en)
French (fr)
Other versions
EP1428628B1 (de
Inventor
Roland Almeras
Emmanuel Vallon
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 EP1428628A1 publication Critical patent/EP1428628A1/de
Application granted granted Critical
Publication of EP1428628B1 publication Critical patent/EP1428628B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00Hand-held nailing tools; Nail feeding devices
    • B25C1/08Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/14Hand-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 invention relates to a device for indirect fire sealing, by which a fastener is entrained in a support material under the action of propellants of an explosive charge through a flyweight mounted mobile in a cannon, between a firing position and a fixing position, and a buffer guide in which is mounted a ball brake, or retention, counterweight mechanism radial action on the flyweight.
  • the balls exert their action on the counterweight thanks to a spring of radial force constant, so that the ball retaining force that has to be overcome when the counterweight backs into the barrel is the same as that balls exert on the counterweight during the shootings.
  • the braking force of wedge effect shells is modulated based on the single displacement of the flyweight.
  • the brake shells are mounted against rubber elements which reduce their radial action.
  • the present application proposes a retention mechanism for more efficient flyweight and whose action is better dosed during the displacement of the counterweight.
  • the invention relates to an indirect fire sealing apparatus, by which a fastening element is driven in a support material under the action of propellant gases from an explosive charge by through a flyweight mounted mobile in a cannon, between a firing position and a fixing position, and a tampon guide in which a counterweight ball brake mechanism is mounted, exerting a radial action on the counterweight and comprising means arranged for modulate the radial action of the balls, as a function of the relative displacement of the barrel and the flyweight, between a maximum force, when the flyweight advance in the barrel, and a non-zero minimum force, when the flyweight backwards, device characterized by the fact that the balls are constrained radially by lever arms for clamping and modulating the action radial of the balls, pivotally mounted on the buffer guide under the action of marbles rolling on the arms.
  • the lever arms are also arranged to exert an axial force of return towards the rear on the balls, in case progress of these.
  • the balls are arranged to roll on the arms between arm end retaining fingers, opposite elbows pivoting lever arms, and a radial abutment edge of the buffer guide extending between the pivot elbows and the retaining fingers arms.
  • each lever arm is pivotally mounted against the action of an elastic ring.
  • each arm of lever decreases backwards.
  • the balls When the flyweight is pulled back into the barrel under the action of the return means, the balls continue to exert a force on the flyweight. When the device is opened, the flyweight is not likely to be entrained in a relative displacement of bad direction. We are sure that the counterweight remains held in position.
  • the balls are balls of braking and holding in position in the barrel.
  • the balls advance on the arms and, due to the shape of the latter, are re-propelled backwards, dragging with them the counterweight which is found in good shooting position.
  • the buffer guide is fixed relative to the barrel.
  • the invention can be applied to any type of device using balls for braking the flyweight, in particular devices in which the buffer guide is connected to the barrel by means of a spring and is therefore mobile relative to the barrel.
  • the sealing apparatus includes a counterweight 2 mounted mobile in a barrel 3 and a buffer guide 5, extending along an axis 20.
  • the counterweight 2 comprises a 2 "feeder head and a 2 'feeder rod.
  • the 2' rod is movable in the buffer guide 5 in which a cylindrical bore 5 ′ is provided of axis 20 and of diameter substantially equal to that of the flyweight rod 2 ' to drive it along the axis 20.
  • the 2 "flyweight head is movable in the barrel 3 in which a cylindrical bore 3 ′ with an axis 20 and of diameter substantially equal to that of the 2 "feeder head for the drive along the axis 20.
  • the flyweight 2 is movable between a position of shot, in which the rear of the flyweight head is close to a surface 10 'of the barrel perpendicular to the axis 20, according to the power setting, from so as to close off a combustion chamber 4, and a fixing position, in which the 2 "flyweight head has advanced in the barrel, in a position at most in front stop on a rear surface 10 of a shock absorber.
  • the ball mechanism 6 for holding counterweight 2 here comprises two balls 6, two clamping lever arms 7 and an elastic ring 8, here metallic.
  • the rod 8 consists of a ring which is split in order to allow the mounting of the mechanism and elasticity required.
  • Each arm 7 extends along the axis 20, and includes a pivot elbow 72 between a heel 74, bearing in a recess of the buffer guide 5, and a forearm here parallelepiped 75 which is sandwiched between the buffer guide 5 and the rod 8.
  • Each arm is extended, at the rear of the forearm 75, by a rear arm 76 providing an external shoulder 77 with the forearm 75, receiving of the rod 8, and whose inner surface 73 flares towards the rear.
  • the rear arm 76 ends with a retaining finger 71 substantially perpendicular to the axis 20, intended to retain the ball 6 on the counterweight 2.
  • the arms 7 are mounted on either side of the counterweight 2, opposite with respect to the axis 20 of the counterweight 2. Each ball 6 is wedged between the counterweight 2 and an associated arm 7.
  • Each inner surface of arm 73 in contact with ball 6 is here a cylinder portion inclined on the axis 20 of the counterweight 2.
  • the contact surface 73 between each arm 7 and its ball associated 6 has the shape of a gutter.
  • each ball 6 is arranged to roll on its lever arm 7 between the end retaining finger 71 of the arm 7, opposite the pivot elbow 72, and a radial abutment edge 11 of the pad guide 5, extending between the swivel bend 72 and the retainer 71 of the arm 7.
  • Each arm 7 is pivotally mounted against the action of the rod 8 and under the action of the associated ball 6 moving forward.
  • the flyweight 2 is initially in the firing position, so at the rear in the barrel 5, in abutment on the surface 10 ', completely sealing the combustion chamber 4.
  • the sealing device is pressed on the support in which we want to insert a buffer and, for reasons of security, firing is only possible once this support has been applied.
  • the action on the trigger causes the propellant charge to explode and the propellant expansion in the combustion chamber 4.
  • the propulsion of the flyweight 2 forwards in the barrel 3 is done against the action of the balls 6.
  • the balls 6 roll by friction on the counterweight 2 which drives them towards the front and the articulated arms 7 pivot on the buffer guide 5 to move away to each other at the level of their fingers 71.
  • the radial force exerted by the arm 7 on the balls 6 and therefore by the balls 6 on the counterweight 2 due to the increase in the angle formed between the arm 7, increases when the balls 6 advance on the arms 7, and therefore when passing from the firing position of the counterweight 2 in its fixing position.
  • the counterweight can advance against the action of the braking balls 6.
  • the balls 6 are then in abutment on the abutment surface 11 of the buffer guide, as seen in FIG. 2. Due to the opening of the arms 7, the braking force is better dosed and is exercised when necessary along the travel of the flyweight.
  • the flyweight 2 being in the fixing position, the device is opened to drive the barrel 3 forward, to access the chamber combustion and replace an explosive charge. In doing so, the flyweight 2, under the action of means of recall or ascent well known to those skilled in the art and therefore not shown in the drawing nor described here, back off relative to the barrel 3.
  • the balls 6 are quickly found in abutment on the retaining fingers 71 of the arms 7; the force exerted by the balls 6 on the flyweight 2 is then weak but not zero. It is therefore possible to train the barrel 3 forwards without much effort, while preventing the flyweight 2 to be dragged into a relative move in the wrong direction.
  • the device is then closed, that is to say that the barrel 3 is driven backwards. Under the action of the weights holding balls 6 2, the flyweight is driven with the barrel 3.
EP03293076A 2002-12-11 2003-12-09 Setzgerät mit Treibkolben Expired - Lifetime EP1428628B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0215642A FR2848489B1 (fr) 2002-12-11 2002-12-11 Appareil de scellement a tir indirect
FR0215642 2002-12-11

Publications (2)

Publication Number Publication Date
EP1428628A1 true EP1428628A1 (de) 2004-06-16
EP1428628B1 EP1428628B1 (de) 2007-10-03

Family

ID=32320174

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03293076A Expired - Lifetime EP1428628B1 (de) 2002-12-11 2003-12-09 Setzgerät mit Treibkolben

Country Status (11)

Country Link
US (1) US6837411B1 (de)
EP (1) EP1428628B1 (de)
KR (1) KR100523025B1 (de)
CN (1) CN100513982C (de)
AT (1) ATE374671T1 (de)
AU (1) AU2003268701B2 (de)
CA (1) CA2452314C (de)
DE (1) DE60316653T2 (de)
ES (1) ES2292921T3 (de)
FR (1) FR2848489B1 (de)
TW (1) TWI224186B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2233250A1 (de) * 2009-03-27 2010-09-29 Hon Kan Cheung Vorrichtung zum Nagelschießen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007000135A1 (de) * 2007-03-08 2008-09-11 Hilti Ag Handwerkzeugmaschine mit pneumatischem Schlagwerk
EP2923799A1 (de) * 2014-03-28 2015-09-30 HILTI Aktiengesellschaft Eintreibgerät
DE202017103050U1 (de) * 2017-05-19 2018-08-22 Joh. Friedrich Behrens Ag Eintreibgerät zum Eintreiben von Befestigungsmitteln in Werkstücke
TWI791132B (zh) * 2019-10-18 2023-02-01 林旺寬 火藥槍構造

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941391A (en) * 1988-06-10 1990-07-17 Hilti Aktiengesellschaft Driving piston braking means for explosive powder actuated setting device
DE20100837U1 (de) * 2001-01-17 2001-05-31 Berner Gmbh Bolzenschubgerät

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904787A (en) * 1955-01-12 1959-09-22 Olin Mathieson Fastener arresting device for a power actuated tool
DE3151661A1 (de) * 1981-12-28 1983-07-07 Hilti AG, 9494 Schaan "setzgeraet mit von hochgespannten gasen treibbarem arbeitskolben"
DE4313504A1 (de) * 1993-04-24 1994-10-27 Hilti Ag Pulverkraftbetriebenes Setzgerät
FR2742375B1 (fr) * 1995-12-13 1998-02-13 Spit Soc Prospect Inv Techn Appareil de scellement de tampons de fixation
DE19548870A1 (de) * 1995-12-27 1997-07-03 Hilti Ag Pulverkraftbetriebenes Setzgerät
DE19755730A1 (de) * 1997-12-15 1999-06-17 Hilti Ag Bolzensetzgerät
US6092710A (en) * 1998-06-09 2000-07-25 Berner Gmbh Explosive powder charge operated bolt-setting tool
US6123234A (en) * 1999-03-16 2000-09-26 Nachi Metal Industrial Co., Ltd. Bottle with a cap depressable to eject contents
DE19962696C1 (de) * 1999-12-23 2001-06-07 Hilti Ag Brennkraftbetriebenes Arbeitsgerät mit Bremseinrichtung für seinen Kolben
DE10105880C2 (de) * 2001-02-09 2003-04-10 Hilti Ag Kolbenhalterung
DE10105882C2 (de) * 2001-02-09 2002-12-05 Hilti Ag Kolbenhalterung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941391A (en) * 1988-06-10 1990-07-17 Hilti Aktiengesellschaft Driving piston braking means for explosive powder actuated setting device
DE20100837U1 (de) * 2001-01-17 2001-05-31 Berner Gmbh Bolzenschubgerät

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2233250A1 (de) * 2009-03-27 2010-09-29 Hon Kan Cheung Vorrichtung zum Nagelschießen

Also Published As

Publication number Publication date
AU2003268701B2 (en) 2006-06-15
CN100513982C (zh) 2009-07-15
US20040262362A1 (en) 2004-12-30
DE60316653T2 (de) 2008-07-17
US6837411B1 (en) 2005-01-04
KR100523025B1 (ko) 2005-10-24
ATE374671T1 (de) 2007-10-15
TWI224186B (en) 2004-11-21
FR2848489B1 (fr) 2006-02-03
FR2848489A1 (fr) 2004-06-18
ES2292921T3 (es) 2008-03-16
KR20040051534A (ko) 2004-06-18
AU2003268701A1 (en) 2004-07-01
CN1506651A (zh) 2004-06-23
DE60316653D1 (de) 2007-11-15
TW200413689A (en) 2004-08-01
CA2452314C (en) 2007-05-15
CA2452314A1 (en) 2004-06-11
EP1428628B1 (de) 2007-10-03

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