WO2008099132A1 - Outil d'installation de fixation - Google Patents

Outil d'installation de fixation Download PDF

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Publication number
WO2008099132A1
WO2008099132A1 PCT/GB2007/004839 GB2007004839W WO2008099132A1 WO 2008099132 A1 WO2008099132 A1 WO 2008099132A1 GB 2007004839 W GB2007004839 W GB 2007004839W WO 2008099132 A1 WO2008099132 A1 WO 2008099132A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
shutter
fastener
broken
collection means
Prior art date
Application number
PCT/GB2007/004839
Other languages
English (en)
Other versions
WO2008099132A8 (fr
Inventor
Aiden Dear
Angraj Kumar Seewraj
Original Assignee
Avdel Uk Limited
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 Avdel Uk Limited filed Critical Avdel Uk Limited
Priority to AU2007347114A priority Critical patent/AU2007347114A1/en
Publication of WO2008099132A1 publication Critical patent/WO2008099132A1/fr
Publication of WO2008099132A8 publication Critical patent/WO2008099132A8/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/04—Riveting hollow rivets mechanically
    • B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/105—Portable riveters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
    • B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
    • B21J15/326—Broken-off mandrel collection

Definitions

  • This invention relates to a safety device for a fastener installation tool provided with collection means for collecting parts of fasteners which are broken off during installation of the fastener.
  • Fastener installation tools including collection means are known, for example as described in GB 2372475B. Such collection means may be removable to allow the tool operator to empty the broken-off parts, i.e. stems, from the collection means.
  • Installation tools having removable collection means may include a safety plate, which is actuated when the collection means is removed from the tool. The safety plate when actuated provides a fixed barrier normal to the path of the stems, and prevents stems from being ejected from the tool without the collection means being in place, which could cause injury to the operator.
  • the present invention provides, in one aspect, a fastener installation tool as claimed in claim 1 of the appended claims.
  • An advantage of the present invention is that the potential dangers of use of using the fastener installation tool whilst the collector bottle in disconnected are significantly reduced.
  • broken-off fastener parts such as stems are caused to build up within the tool, thus applying an increasing force to the surface of the shutter.
  • the shutter is forced, against the resilient urging means, to open and allow a single part to be ejected. Thereafter, a single stem is ejected on each successive use of the tool.
  • the resilient urging means act to reduce the speed at which the shutter can open, the speed of ejection of each single stem is lower than the speed at which they are ejected when the collection means is connected to the tool. Therefore operation of the tool without the collection means being connected does not represent a safety risk to the operator, and dismantling of the tool to retrieve the broken-off stems is not necessary.
  • the surface of the shutter to which pressure is applied is angularly displaced relative to the axis' of the passage of the broken-off stems through the tool. This allows the broken-off stems to apply a pressure vector to the surface until the pressure limit is reached, wherein the shutter is forced open.
  • the shutter could be hinged, with the resilient urging means acting against the hinge to maintain the shutter in a closed position, until the requisite pressure is reached, whereupon the shutter is forced to hinge open to allow the ejection of a single broken-off fastener part.
  • the resilient urging means would act to cause the single broken-off fastener part to be ejected at a speed lower than if the shutter was not impeding its passage.
  • Figure 1 is a cross sectional view of the installation tool with the collector bottle connected and the shutter in the open position;
  • Figure 2 is cross sectional view of the installation tool with the collector bottle disconnected and the shutter in the closed position
  • Figure 3 is a cross-sectional view of the installation tool with the collector bottle disconnected and the shutter in the forced-open position
  • FIGS 4, 5 and 6 are enlarged cross-sections of the shutter mechanism in the positions of Figure 1 , Figure 2 and Figure 3 respectively.
  • Figure 7 is a perspective view of an alternative shutter in accordance with the present invention, with a conical contact surface.
  • a tool 2 is provided with a collection means comprising a bottle 4 connected to the rear of the tool.
  • a through bore 6 having an exit 30 is provided to allow ejection of broken-off fastener stems 8.
  • a shutter mechanism is provided comprising a shutter 10, piston 14, and resilient urging means comprising a spring 12, which is operable to close the exit 30 under action of the spring 12.
  • the piston 14 has a cavity 38 into which a first arm 18 is unsellable.
  • the first arm 18 is linked via a second arm 20 to the shutter 10.
  • the bottle 4 is connected to rear of the tool, as illustrated in Figure 1.
  • pressurised air is forced through an aperture 22 into the piston casing 24, thus causing the piston 14 to be forced outwardly away from the aperture 22.
  • a seal 34 is provided to prevent leakage of the pressurised air between the piston 14 and the casing 24.
  • the piston 14 is forced outwardly, the first arm 18, second arm 20 and the shutter 10. are, caused to move .correspondingly.
  • the resilience of the spring 12 is overcome by the air pressure acting upon the piston 14 and therefore the spring 12 is compressed within a shutter cavity 28 provided in the shutter 10. The piston 14 and shutter 10 are subsequently maintained in this position, i.e.
  • shutter 10 abuts edge 26, whilst pressurised air is fed into cavity 36 via aperture 22. In this position, shutter 10 does not obstruct the exit 30, therefore on installation of a fastener, broken-off stems 8 which are ejected into through bore 6 can pass through exit 30 and into the connected bottle 4. As the passage of the stems 8 is not impeded, the speed at which the stems are ejected through the tool and exit will not be reduced.
  • Figure 3 shows a broken-off stem 8 forcing the shutter 10 open and hence allowing the ejection of the stem through exit 30.
  • the spring 12 will urge the shutter back into the closed position of Figures 2 and 5.
  • Each subsequent use of the tool 2 will likewise allow the ejection of a single stem 8 through the exit 30, (i.e. the stem abutting against shutter surface prior to use).
  • the shutter 10 will return to the open position.
  • the first use of the tool 2 subsequent to reconnection of the bottle 4 will cause the stems within the tool to be ejected through exit 30 into the bottle 4.
  • the angled shutter 10 may be replaced by a snap fit shutter, which will be forced to snap into an open position when a sufficient number of broken-off fastener stems 8 have built up within the tool, and will subsequently snap into a closed position.
  • the spring could be substituted by an alternative resilient urging means, for example, air pressure.
  • the angled shutter 10 may have its contact 32 surface substituted with a complete or part conical form, as illustrated in Figure 7.
  • a solid angled shutter 10' is provided with an integral conical cut 40. Broken- off stems will be urged into the apex of the conical cut 40, thus providing a further degree of control to the passage of broken-off stems when the shutter 10' is forced into the open- position by urging the stems to be ejected centrally.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Devices For Opening Bottles Or Cans (AREA)

Abstract

L'invention concerne un outil d'installation de fixation (2) pour installer des fixations du type dans lequel une partie (8) de la fixation est rompue pendant le procédé d'installation. L'outil d'installation de fixation (2) comporte un moyen de collecte (4) pour collecter les parties de fixation rompues (8) pendant le fonctionnement de l'outil, lesdits moyens de collecte (4) étant reliés de façon amovible à l'outil (2). L'outil comporte également un obturateur (10) et des moyens de poussée élastiques (12). Selon l'invention, lorsque le moyen de collecte (4) est relié à l'outil, l'obturateur (10) est maintenu dans une position ouverte pour permettre le passage de parties de fixation rompues (8) à partir de l'outil dans le moyen de collecte, par l'intermédiaire d'un alésage traversant pratiqué dans l'outil ; lorsque le moyen de collecte (4) est détaché de l'outil en marche, les moyens de poussée élastiques (12) exercent une pression sur l'obturateur (10), poussant l'obturateur (10) en une position fermée dans laquelle une surface de contact (32) de l'obturateur obstrue l'alésage traversant, amenant ainsi les parties de fixation rompues (8) à rester à l'intérieur de l'outil (2) et à appliquer une pression sur la surface de contact (32) ; lorsque la pression appliquée par les parties de fixation rompues (8) sur la surface de contact d'obturateur (32) dépasse la pression exercée par les moyens de poussée élastiques (12), l'obturateur (10) est amené à s'ouvrir suffisamment pour permettre l'éjection d'une partie de fixation rompue (8).
PCT/GB2007/004839 2007-02-14 2007-12-17 Outil d'installation de fixation WO2008099132A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2007347114A AU2007347114A1 (en) 2007-02-14 2007-12-17 Fastener installation tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0702792.3 2007-02-14
GB0702792A GB2446581B (en) 2007-02-14 2007-02-14 Fastener installation tool

Publications (2)

Publication Number Publication Date
WO2008099132A1 true WO2008099132A1 (fr) 2008-08-21
WO2008099132A8 WO2008099132A8 (fr) 2009-08-27

Family

ID=37908563

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2007/004839 WO2008099132A1 (fr) 2007-02-14 2007-12-17 Outil d'installation de fixation

Country Status (4)

Country Link
AU (1) AU2007347114A1 (fr)
GB (1) GB2446581B (fr)
TW (1) TW200909093A (fr)
WO (1) WO2008099132A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015049738A1 (fr) * 2013-10-02 2015-04-09 株式会社ロブテックス Adaptateur pour éviter l'éjection accidentelle d'une tige de traction pour riveteuse, et riveteuse
US11654475B2 (en) 2020-06-03 2023-05-23 Milwaukee Electric Tool Corporation Rivet setting tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1023957A2 (fr) * 1999-01-26 2000-08-02 M.H. Honsel Beteiligungs GmbH Outil de rivetage
EP1132160A1 (fr) * 2000-03-10 2001-09-12 GESIPA Blindniettechnik GmbH Organe hydropneumatique de rivetage aveugle
GB2394686A (en) * 2001-02-21 2004-05-05 Textron Fastening Syst Ltd Fastener installation tool including fastener-parts collection means

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887450A (en) * 1988-03-31 1989-12-19 Textron, Inc. Fastener stem collection apparatus and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1023957A2 (fr) * 1999-01-26 2000-08-02 M.H. Honsel Beteiligungs GmbH Outil de rivetage
EP1132160A1 (fr) * 2000-03-10 2001-09-12 GESIPA Blindniettechnik GmbH Organe hydropneumatique de rivetage aveugle
GB2394686A (en) * 2001-02-21 2004-05-05 Textron Fastening Syst Ltd Fastener installation tool including fastener-parts collection means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015049738A1 (fr) * 2013-10-02 2015-04-09 株式会社ロブテックス Adaptateur pour éviter l'éjection accidentelle d'une tige de traction pour riveteuse, et riveteuse
US11654475B2 (en) 2020-06-03 2023-05-23 Milwaukee Electric Tool Corporation Rivet setting tool

Also Published As

Publication number Publication date
WO2008099132A8 (fr) 2009-08-27
GB2446581B (en) 2009-01-07
TW200909093A (en) 2009-03-01
GB0702792D0 (en) 2007-03-28
GB2446581A (en) 2008-08-20
AU2007347114A1 (en) 2008-08-21

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