EP0510351B1 - Outil d'enfoncement d'attaches - Google Patents

Outil d'enfoncement d'attaches Download PDF

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Publication number
EP0510351B1
EP0510351B1 EP92104549A EP92104549A EP0510351B1 EP 0510351 B1 EP0510351 B1 EP 0510351B1 EP 92104549 A EP92104549 A EP 92104549A EP 92104549 A EP92104549 A EP 92104549A EP 0510351 B1 EP0510351 B1 EP 0510351B1
Authority
EP
European Patent Office
Prior art keywords
driving tool
tool according
slider
magazine
guide
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
EP92104549A
Other languages
German (de)
English (en)
Other versions
EP0510351A3 (en
EP0510351A2 (fr
Inventor
Martin Hölzel
Manfred Dipl.-Ing. Buck
Karl Dr. Dr.-Ing. Wanner
Wolfgang Dipl.-Ing. Schmid
Siegfried Fehrle
Klaus Dietz
Klaus Kleyer
Wilfried Dipl.-Ing. Kabatnik (Fh)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0510351A2 publication Critical patent/EP0510351A2/fr
Publication of EP0510351A3 publication Critical patent/EP0510351A3/de
Application granted granted Critical
Publication of EP0510351B1 publication Critical patent/EP0510351B1/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
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/16—Staple-feeding devices, e.g. with feeding means, supports for staples or accessories concerning feeding devices
    • B25C5/1696—Staple support displaceable relative to the tool to allow re-loading
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/16—Staple-feeding devices, e.g. with feeding means, supports for staples or accessories concerning feeding devices
    • B25C5/1637—Supports for the staples being fed
    • B25C5/1641—Supports for the staples being fed allowing the feeding of a variety of elements
    • B25C5/1644—Supports for the staples being fed allowing the feeding of a variety of elements of different shapes
    • B25C5/1651—Supports for the staples being fed allowing the feeding of a variety of elements of different shapes of T-shaped staples or nails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/16—Staple-feeding devices, e.g. with feeding means, supports for staples or accessories concerning feeding devices
    • B25C5/1637—Supports for the staples being fed
    • B25C5/1641—Supports for the staples being fed allowing the feeding of a variety of elements
    • B25C5/1658—Supports for the staples being fed allowing the feeding of a variety of elements of different sizes of staples

Definitions

  • the invention is based on a driving tool according to the preamble of patent claim 1.
  • Driving tools are very susceptible to malfunctions if the firing channel is inaccurate or worn. It is easy for staples to jam.
  • the devices therefore require a high degree of dimensional accuracy and manufacturing precision and usually only allow the use of a certain type of tack in the same shot channel.
  • a driving device for stapling devices according to the preamble of claim 1 is known, the stapling device magazine of which can hold U-shaped stapling devices of different widths and lengths as well as nails or pencils.
  • the mouth of the firing channel is formed there by an end plate and a stripper plate, both of which are detachably attached to the tack slide. An angular assembly of these parts to each other and their maintenance during longer periods of operation can not be guaranteed due to the detachable attachment. As a result, stapling agents can jam in the firing channel after a more or less long operating time.
  • the present invention strives to improve the driving tools for tacking materials of different sizes and shapes in such a way that their functional reliability is increased.
  • the driving tool according to the invention with the characterizing features of claim 1 has the advantage that it is user-friendly and universally applicable and, because of the solid connection of the scraper plate on the slide, enables a long magazine mouth, which at the same time is high Functional reliability guaranteed. In particular, it is also easily possible to look up stapling materials that have not been fully driven in. In addition, the precise manufacture of the magazine in particular is simple and easy to assemble.
  • the device enables the magazine to be easily filled with staples of very different widths and with nails. Wide brackets are more suitable for fastening foils, upholstery, fabrics etc. and for furniture. Long, narrow brackets with thicker wire are preferred for panels, ceilings, profiled wood and packaging wood.
  • the measures listed in the dependent claims allow advantageous developments and improvements of the wrapping device specified in claim 1. It is particularly advantageous to design the guide rail as a sheet metal profile that is open towards the slide. This enables the wiper plate to be inserted easily.
  • the design of the scraper plate according to claim 3 and 4 enables an angle-correct reception of the scraper plate in the lower slide without aligning or reworking the area delimiting the firing channel, even with long mouths.
  • the overall meandering curved guide rail according to claim 5 also takes over the lateral guidance of the slide in the jacket.
  • the design of the magazine as a so-called Unterladermagazin according to claim 6 makes the magazine content visible after opening without losing parts have to be removed. The elimination of malfunctions in the magazine or in the firing channel is also made much easier.
  • a one-piece bent tack slide according to claim 7 simplifies manufacture and assembly.
  • a one-sided arranged from the outside movable bar according to claim 8 serves as an insertion aid for narrow brackets and as a lateral guide for nails and pens.
  • the arrangement of a tension spring leads to a pressing force on the tacking means which remains largely independent of the filling level of the magazine.
  • a end plate or scraper plate profiled according to the dimensions of the tacking means prevents malfunctions due to inclined or jammed tacking means in the firing channel; this applies in particular to narrow brackets.
  • the detachable end plate has the further advantage that the magazine is easy to manufacture, assemble and service.
  • FIG. 1 shows a partially sectioned overall view of a driving tool and FIG. 2 shows a longitudinal section through a magazine
  • FIG. 3 shows a cross section through the magazine according to line III in FIG. 2
  • FIG. 4 shows a stripping plate as a detail
  • FIG. 5 shows a cross section according to line V in FIG. 2
  • FIG. 6 shows a longitudinal section through the firing channel.
  • Figure 7 shows a view of an end plate.
  • a driving tool has in a housing 1 a shock knife 2, which is driven in particular by a current-carrying coil and is guided in a firing channel 3.
  • the firing channel 3 extends into a magazine 4 and ends in an elongated mouth 5.
  • the magazine 4 is mounted at the front near the firing channel 3 in an elongated hole 7, which is penetrated by a pin 8 fixed to the housing, with limited vertical movement.
  • the magazine 4 is connected to the housing 1 so that it can rotate about a horizontal axis 9.
  • the magazine 4 consists essentially of a U-shaped, downwardly open casing 11 and a slider 12 engaging therein, which will be described later with reference to FIG. 3.
  • the jacket 11 has in one of its flanks 13 a longitudinal slot 14 which is penetrated by a handle 15.
  • the handle 15 is connected to a bar 16 which is displaceable within the casing 11.
  • the strip 16 constricts the interior of the magazine 4 in a partial area and can be designed as a sheet metal part or as a plastic-steel composite part.
  • the central part 17 of the casing 11, which connects the flanks 13, has a narrow slot 18.
  • the magazine 4 has latching locking parts 19 (not shown in more detail) for fixing the slide 12.
  • the magazine 4 is delimited by a U-shaped jacket end 21 attached to the flanks of the jacket 11 and encompassing the firing channel 3.
  • the jacket end 21 forms a quiver running in the direction of the firing channel 3 for inserting an end plate 22 in which the stapling means 23 to be processed are guided. This will be described in more detail later with reference to FIG. 5.
  • the end plate is held by a spring clip 24.
  • a retaining pin 25 is fastened to the spring clip 24 or beads or tabs are formed on the spring clip 24, which engage in a recess 26 on the end plate 22 (cf. FIG. 2).
  • the spring clip 24 is hooked onto the jacket end 21.
  • Support flaps 28 which bend around the slide 12 and fix it in its vertical position (see FIG. 1) are bent away from the jacket end 21 below the flanks 13.
  • the slider 12 itself has a base plate 30, on which a one-piece guide rail 31 for guiding the stapling means 23 is fastened in the middle, for example welded on.
  • the guide rail 31 designed as a bent sheet metal profile is preferably about 4 millimeters wide, so that staples 32 of the back width can be guided thereon 4 millimeters.
  • the guide rail has in the upper area an indentation 33 in which the heads of nails 34 to be processed find space.
  • the guide rail 31 is attached to the base plate 30 with its bent feet 35.
  • a guide tab 36 extends away from the bent feet 35 upward.
  • the guide tabs 36 guide the jacket 11 laterally on its flanks 13.
  • a stripping plate 39 engages in the inside hollow guide rail 31 from below through a slot 37 in the base plate 30.
  • the scraper plate 39 contains all adhesive shear edges, outlet slopes and guide surfaces. The metal injection molding technique eliminates the need for expensive machining.
  • the bracing plate 39 shown in more detail in FIG. 4 consists of an angle piece 40 which delimits the mouth 5 of the firing channel 3 with its one leg 41. With its second leg 42, which is angled by 90 °, the angle piece 40 lies against the base plate 30 of the slide 12.
  • a tongue 43 which extends in the longitudinal direction of the magazine and extends into the open guide rail 31 and fills it out, extends from the leg 42 in the center and at right angles.
  • the stripping plate 39 is firmly connected to both the base plate and the guide rail 31, for example by welding. Because of the large support surfaces, this ensures that the wiper plate 39 is mounted at an angle relative to the slide 12, with reworking of the leg 41 delimiting the firing channel 3. Because of the solid connection of the scraper plate 39 and slide 12, a long magazine mouth 5 is possible.
  • the stripping plate 39 forms together with the end plate 22 a hardened firing channel 3.
  • the magazine parts slide 12 and jacket 21, 11 can remain unhardened. This prevents major warping problems when hardening the long sheet metal parts.
  • the spring clip 24 serves as a hard latching edge for the latching spring mounted in the housing 1.
  • FIG. 3 three different types of stapling means 23 are shown for illustration. It can be seen that, in addition to the narrow staples 32 and the nails 34, wide staples 45 with a back width of 10 mm, for example, can also be guided in the magazine 4. The legs of the staples 45 rest directly on the flanks 13 of the jacket 11. The bar 16 constricting the space between the jacket 11 and the guide rail 31 is required as an insert half for narrow clamps and for holding the nails 34. It therefore remains in the rear position shown in FIG. 2 when processing wide staples.
  • a one-piece tacking slide 46 is guided on the guide rail 31.
  • This consists of a sheet metal profile with a cross section in the form of the narrow staple 32.
  • the staple slide 46 is similar to the guide rail 31 sideways and then upwards again, forming flaps 44, around an abutment surface 47 on the legs of the broad To form staples 45.
  • the stitching slide 46 has a tab 48 with an integrally formed hook 49 which extends through the slot 18 and which is upward away from the guide rail 31.
  • the tab 48 of the stapling slide 46 comes to rest on the front edge of the slot 18 made in the magazine jacket 11. This prevents the tacking slide 46 from protruding into the firing channel and damaging it by the butt knife 2 in the event of an empty blow.
  • the tab 48 is attached to the rear end of the particularly long stitching slide 46. As a result, the slot 18 comes outside the filling space when the magazine is open lie. This means that it is avoided that tack (individual staples, nails or pens) can fall into the space between the magazine jacket 11 and the housing base.
  • the tab 48 passes through the slot 18 of the casing 11 and a slot 50 on a bracket 51 connected to the slide 12.
  • the bracket 51 is detachably connected to the slide 12 for assembly and disassembly purposes.
  • the bracket 51 carries at its front end facing the firing channel 3 a deflecting roller 52 and a hook approximately in its central region.
  • a tension spring 53 is suspended in the two hooks on the stitching slide 46 and the bracket 51 and looped around the deflection roller 52.
  • the firing channel 3 is delimited in the area in which stapling means are guided by the profiled end plate 22 (cf. FIG. 5).
  • the end plate 22 is profiled in such a way that the firing channel 3, seen in the longitudinal direction of the magazine, is formed lower in the central region than in the peripheral regions.
  • the end plate 22 has a first pair of lateral guide surfaces 55, on which the legs of the wide staples 45 are guided over their entire leg width.
  • the legs of the narrower staples 32 are wider than those of the wide-backed staples 45.
  • the face plate 22 has a recessed second pair of guide surfaces 56, which delimit a guide groove 54 and serve at least part of the width of the legs of the narrow brackets 32 for contact.
  • a third pair of guide surfaces 57 are provided for guiding the nails 34, which in turn guide the part of the heads of the nails 34 which is the width of the narrower staples tower over. Three steps or two steps are formed in the end plate 22, since on this side the guide surface 56 merges into the guide surface 57 without a step. In this way, all of the stapling means 23 to be processed are guided laterally in a single end plate 22.
  • the guide groove 54 delimited by the two guide surfaces 56 is made deeper than the wire thickness of the clamps 32 would require. So that the clamps 32 leave the firing channel 3 in this advanced position during the driving-in process, the leg 41 is provided with a small guide rib 58, the height of which corresponds exactly to the lowering of the guide channel.
  • the guide rib 58 is designed so that it deforms the back of the wide brackets 45 as little as possible and does not damage it. For this reason, the guide rib 58 is narrow and is provided with a widening 59 only at the end of the mouth 5. In the area of the widening 59, the guide surfaces 55 for the wide brackets 45 are widened, so that the wide brackets are guided over the last millimeters of the driving-in process without bending the back.
  • edges of the guide surfaces 56 and 57 is decisive for the driving result of narrow clamps 32 and nails 34 and the service life of the profiled end plate 32: they should be as sharp as possible. Since this can only be achieved with very high costs using conventional manufacturing processes, sintered parts have been tried with great success.
  • the guide surfaces 56, 57 do not have to run parallel, they can advantageously be funnel-shaped.
  • the sintered material can be soaked in oil, which further reduces wear.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Claims (13)

  1. Appareil d'enfoncement d'attaches comprenant un magasin (4) recevant des moyens de fixation en forme de U (23) (agrafes) de largeur variable, de clous ou de pointes, comprenant une gaine (11) logeant les moyens de fixation, accolés, en les entourant, ainsi qu'un poussoir (12) qui se place dans la gaine, et un rail de guidage (31) fixé au poussoir pour guider les moyens de fixation, agrafes (23), clous (34) ou pointes, ainsi qu'un canal de tir (3) dont l'embouchure (5) est délimitée à une extrémité par une plaque frontale (22) fixée à la gaine (11) et à l'autre extrémité par une plaque de raclage (23) prévue sur le coulisseau (12),
    caractérisé en ce que
    la plaque de raclage (39) reliée solidairement à la fois au coulisseau (12) et au rail de guidage (31) est constituée par une cornière (40) comprenant une première branche (41) délimitant le canal de tir et une seconde branche (42) faisant un angle de 90° par rapport à la première, en s'appliquant contre le poussoir (12).
  2. Appareil d'enfoncement selon la revendication 1,
    caractérisé en ce que
    le rail de guidage (31) est suffisamment étroit pour pouvoir guider des moyens de fixation tels que des agrafes (32, 45) avec des dos de largeurs différentes, de même que des clous (34).
  3. Appareil d'enfoncement selon la revendication 1 ou 2,
    caractérisé en ce que
    le rail de guidage (31) est formé par un profilé ouvert vers le bas vers le poussoir (12), notamment un profilé en tôle.
  4. Appareil d'enfoncement selon l'une des revendications précédentes,
    caractérisé en ce que
    la plaque de raclage (39) comporte une languette (43) pénétrant dans le rail de guidage (31).
  5. Appareil d'enfoncement selon l'une des revendications précédentes,
    caractérisé en ce que
    le rail de guidage (31) comporte deux branches (35) recourbées, appliquées contre le poussoir (12) et dont les arêtes libres se poursuivent par des pattes de guidage (36) pour la gaine (11).
  6. Appareil d'enfoncement selon l'une des revendications précédentes,
    caractérisé en ce que
    la gaine (11) du magasin (4) est ouverte vers le bas et le poussoir (12) peut coulisser par rapport à la gaine (11) pour ouvrir le magasin (4).
  7. Appareil d'enfoncement selon l'une des revendications précédentes,
    caractérisé en ce qu'
    un poussoir à moyens de fixation (46), cintré en méandres, en une seule pièce, est guidé sur le rail de guidage (31).
  8. Appareil d'enfoncement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'intervalle entre l'enveloppe (11) et le rail de guidage (31) est rétréci par un longeron coulissant (16) pour mettre en place des clous (34) et des agrafes minces dans le magasin (4).
  9. Appareil d'enfoncement selon l'une des revendications précédentes,
    caractérisé en ce qu'
    un ressort de traction (53) fixé au poussoir (46) exerce sur celui-ci une force dirigée vers le canal de tir (3), l'autre extrémité du ressort de traction (53), fixée à un étrier (51) relié au poussoir (12), est guidée par un galet de renvoi (52) également fixé à l'étrier (51).
  10. Appareil d'enfoncement selon l'une des revendications précédentes,
    caractérisé en ce que
    la plaque frontale (22) opposée à la plaque de raclage (39) présente un profil adapté aux dimensions des différents moyens de fixation (32, 34), ce profil ayant plusieurs rainures de guidage (54) et plusieurs paires de surfaces de guidage latérales (55, 56, 57).
  11. Appareil d'enfoncement selon la revendication 10,
    caractérisé en ce que
    la rainure de guidage (54) pour les agrafes étroites (32) est plus profonde, d'une certaine valeur, que la largeur des branches de l'agrafe (32) et une lèvre de guidage (58), centrale, est en saillie de la même longueur sur la branche (41) de la cornière (40) de la plaque de raclage (39), branche qui délimite le canal de tir (3).
  12. Appareil d'enfoncement selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la plaque frontale (22) est tenue dans une face frontale (21) du magasin (4), de préférence de manière amovible, pour former un canal avec la gaine (11).
  13. Appareil d'enfoncement selon la revendication 12,
    caractérisé en ce que
    la plaque frontale (22) comporte une cavité (26) dans laquelle s'introduit un élément de fixation élastique (25).
EP92104549A 1991-03-22 1992-03-17 Outil d'enfoncement d'attaches Expired - Lifetime EP0510351B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4109362A DE4109362A1 (de) 1991-03-22 1991-03-22 Eintreibgeraet fuer heftmittel
DE4109362 1991-03-22

Publications (3)

Publication Number Publication Date
EP0510351A2 EP0510351A2 (fr) 1992-10-28
EP0510351A3 EP0510351A3 (en) 1993-02-03
EP0510351B1 true EP0510351B1 (fr) 1996-11-20

Family

ID=6427917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92104549A Expired - Lifetime EP0510351B1 (fr) 1991-03-22 1992-03-17 Outil d'enfoncement d'attaches

Country Status (4)

Country Link
US (1) US5337945A (fr)
EP (1) EP0510351B1 (fr)
JP (1) JPH0596475A (fr)
DE (2) DE4109362A1 (fr)

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DE102007038520A1 (de) 2007-08-16 2009-02-19 Robert Bosch Gmbh Eintreibgerät zum Eintreiben von Befestigungsmitteln
DE202016103936U1 (de) 2016-07-20 2016-08-04 Kompernaß Handelsgesellschaft mbH Handwerkzeugmaschine

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US5580066A (en) * 1994-04-07 1996-12-03 Acco Usa, Inc. Cartridge stapler with jam resistant mechanism
FR2728824B1 (fr) * 1994-12-30 1997-06-20 Bossard Jacques Jean Claude Agrafeuse pour au moins deux sortes d'agrafes
US5816470A (en) * 1995-08-30 1998-10-06 Black & Decker Inc. Fastening device
US5695108A (en) * 1996-03-05 1997-12-09 De Poan Pneumatic Corporation Magazine system of a stapler
US6059165A (en) * 1999-07-13 2000-05-09 Deng; Jinn-Yi Stapler
ITBO20010543A1 (it) * 2001-09-12 2003-03-12 Fasco Spa Caricatore di elementi di fissaggio per pistola pneumatica
JP2005279815A (ja) * 2004-03-29 2005-10-13 Kanematsu Nnk Corp 釘打機
CN101076434B (zh) * 2004-04-20 2012-01-04 罗密欧马埃斯特里和菲利公开有限公司 带有适配器的订书机
DE102004063537A1 (de) * 2004-12-30 2006-07-13 Robert Bosch Gmbh Eintreibgerät zum Eintreiben von Befestigungsmitteln
EP1872962B1 (fr) * 2006-06-23 2011-09-28 Müller Martini Holding AG Dispositif d'agrafage de produits imprimés comprenant un composant céramique
US8511530B2 (en) * 2007-05-10 2013-08-20 Canon Finetech Inc. Stapler and staple
CN102133747B (zh) * 2010-01-27 2012-07-25 丰民金属工业股份有限公司 适用多种尺寸钉针的钉枪
TW201507827A (zh) * 2013-08-16 2015-03-01 Same Yong Ind Co Ltd 自動適用於多種釘子的釘槍
CN109277988B (zh) * 2017-07-19 2021-08-17 丰民金属工业股份有限公司 钉匣组件及包含其的钉枪
DE102017118271A1 (de) * 2017-08-10 2019-02-14 Apex Mfg. Co., Ltd. Klammermagazin und Tacker mit diesem Klammermagazin
DE102017118272B4 (de) * 2017-08-10 2021-09-02 Apex Mfg. Co., Ltd. Klammermagazin und Tacker mit diesem Klammermagazin
US11130221B2 (en) 2019-01-31 2021-09-28 Milwaukee Electric Tool Corporation Powered fastener driver

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Publication number Priority date Publication date Assignee Title
US4206863A (en) * 1979-03-26 1980-06-10 Savino Dominick J Staple and anviless stapling apparatus therefor
EP0216218A2 (fr) * 1985-09-23 1987-04-01 Robert Bosch Gmbh Outil de percussion à moteur, en particulier pour agrafes
US4749115A (en) * 1985-12-14 1988-06-07 Joh. Friedrich Behrens Ag Magazine for a power-driven drive-in apparatus for the accommodation of pins or nails or the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007038520A1 (de) 2007-08-16 2009-02-19 Robert Bosch Gmbh Eintreibgerät zum Eintreiben von Befestigungsmitteln
DE202016103936U1 (de) 2016-07-20 2016-08-04 Kompernaß Handelsgesellschaft mbH Handwerkzeugmaschine

Also Published As

Publication number Publication date
EP0510351A3 (en) 1993-02-03
EP0510351A2 (fr) 1992-10-28
DE4109362A1 (de) 1992-09-24
JPH0596475A (ja) 1993-04-20
DE59207530D1 (de) 1997-01-02
US5337945A (en) 1994-08-16

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