EP0152628B1 - Outil pour poser des attaches, en particulier agrafeuse électrique - Google Patents
Outil pour poser des attaches, en particulier agrafeuse électrique Download PDFInfo
- Publication number
- EP0152628B1 EP0152628B1 EP84116358A EP84116358A EP0152628B1 EP 0152628 B1 EP0152628 B1 EP 0152628B1 EP 84116358 A EP84116358 A EP 84116358A EP 84116358 A EP84116358 A EP 84116358A EP 0152628 B1 EP0152628 B1 EP 0152628B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- guide sleeve
- exciter coil
- compression spring
- coil
- 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
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
- B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
Definitions
- the invention relates to a driving tool for fasteners, such as clips, nails and the like.
- a driving tool for fasteners such as clips, nails and the like.
- an electric tacker the type specified in the preamble of claim 1.
- the excitation coil of the electromagnet has an approximately yarn-roll-shaped coil body which receives the excitation winding and is attached to the housing on both end faces.
- Such electric staplers generally work with pusher knife or pusher speeds of m, ax. 9 m / s.
- a ram weight of approx. 150 g is required.
- an acceleration time of the impact knife of approx. 0.01 s an average force on the ram or the impact knife of 135 N results, which results in a maximum force of 190 N with a time course of the force corresponding to the time course of the current.
- the fastener i.e. the clamp or the nail
- the tacker is accelerated forward again after the return movement has been caught by the operator's hand and struck on the workpiece .
- the fastening means protrudes over the workpiece surface with an overhang that depends on the pressing force, while in the other case the tacking nose that hits the workpiece surface again causes ugly impressions there. In both cases, the work result is very poor.
- the driving tool according to the invention for fasteners, such as clips or nails, with the characterizing features of claim 1 has the advantage that only a relatively small recoil force is exerted on the housing of the driving tool during the work process, which can be easily picked up by the operator.
- the driving tool thus remains in constant contact with the workpiece, so that the fastening means are always driven in flush with the workpiece surface, regardless of the pressing force.
- the work result achieved is always optimal. Impacts in the workpiece surface are safely excluded.
- the back impulse exerted on the excitation coil when the impact knife accelerates gives the excitation coil a return speed of approx. 1 m / s.
- the excitation coil has traveled a distance of approx. 10 mm at the point in time when the fastening means has just fully penetrated the workpiece.
- the return spring exerts only a small force on the excitation coil and thus on the housing of the driving tool, so that the driving tool always remains in contact with the workpiece.
- the movement of the excitation coil following the end of the driving-in process is determined by the progression of the spring characteristic of the return spring.
- a steeply progressive spring characteristic saves installation space, but allows the driving tool to jump with a relatively low pressing force.
- a weakly progressive spring characteristic curve requires more space, but has the advantage of a very low recoil.
- the drawing shows a section of a longitudinal section of a driving device designed as an electric tacker for driving in fastening clips.
- the electric tacker which can only be seen in detail in the drawing in longitudinal section as an example of a driving tool is generally known and e.g. described in detail in DE-OS 3 232 137 in structure and mode of operation.
- the electric tacker has a housing 10 with an ejection channel 11, to which a fastening clip is successively fed from a magazine 12.
- the feed mechanism of the individual fastening clips from the magazine 12 into the ejection channel 11 is also described in detail in the above-mentioned DE-OS, so that there is no need to go into this further.
- a plunger or pusher knife 13 is guided in the housing 10 and protrudes into the ejection channel 11 and drives the fastening clip located in the ejection channel 11 into a workpiece onto which the ejection channel 11 is to be pressed.
- the impact knife 13 is driven by an electromagnet 14 against the force of a return spring 15.
- the electromagnet 14 has an excitation coil 16 and a magnet armature 17, which plunges into the central opening 18 of the excitation coil 16 and is guided axially displaceably therein.
- the excitation coil 16 consists of an approximately yarn-roll-like coil body 19, which has two cylindrical projections 20, 21, each projecting on both end faces, and an excitation winding 22 received by the coil body 19.
- the inner cylinder of the coil body 19 forms the central opening 18, in which the Shock knife 13 carrying magnet armature 17 is guided to be longitudinally displaceable.
- the bobbin 19 is surrounded by an approximately cup-shaped guide sleeve 23 and projects with a cylindrical extension 20 into a cylindrical socket 24 which protrudes from the bottom of the guide sleeve 23.
- the coil former 19 is fastened to the bottom 25 of the cylinder socket 24 by any fastening means, with the aid of which at the same time an annular elastic stop element lying on the opposite side of the bottom 25 26 is held. With this stop element 26, the bottom 25 of the guide sleeve 23 rests against an annular web 27 of the housing 10 when the electromagnet 14 is not excited.
- the guide sleeve 23 is guided in a longitudinally displaceable manner in ribs 28 which are arranged distributed on the inner wall of the housing 10.
- the open end face of the pot-shaped guide sleeve 23 is closed by an annular disk 29, which forms an additional mass, and is pressed onto the end edge 32 of the guide sleeve 23 by a return spring 30, which is designed here as a helical compression spring 31 surrounding the magnet armature 17 coaxially.
- the annular disc 29 has a recess 33 which forms a support and centering surface for the helical compression spring 31.
- the other side of the helical compression spring 31 is supported on the housing 10 via a damping element 34, here a damping rubber acting as an end stop.
- the spring characteristic of the helical compression spring 31 is designed progressively. Depending on the needs at hand, the spring characteristic can be either steep or flat and / or strong or weakly progressive. With a steep spring characteristic, the installation space required for accommodating the helical compression spring 31 is small, but the contact pressure to be applied is still relatively high in order to prevent the electric tacker from jumping. In the second case, the additional construction volume for accommodating the helical compression spring 31 is considerably larger, but here one has the advantage of a very low recoil.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843405906 DE3405906A1 (de) | 1984-02-18 | 1984-02-18 | Eintreibgeraet fuer befestigungsmittel, insbesondere elektrotacker |
DE3405906 | 1984-02-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0152628A1 EP0152628A1 (fr) | 1985-08-28 |
EP0152628B1 true EP0152628B1 (fr) | 1987-07-15 |
Family
ID=6228148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84116358A Expired EP0152628B1 (fr) | 1984-02-18 | 1984-12-27 | Outil pour poser des attaches, en particulier agrafeuse électrique |
Country Status (3)
Country | Link |
---|---|
US (1) | US4565313A (fr) |
EP (1) | EP0152628B1 (fr) |
DE (2) | DE3405906A1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5813477A (en) * | 1996-05-23 | 1998-09-29 | Chicago Pneumatic Tool Company | Vibration-reduced impact tool and vibration isolator therefor |
US6044872A (en) * | 1998-10-09 | 2000-04-04 | Stephens; Donald R. | Fence clip installer |
CA2420365A1 (fr) | 2000-08-25 | 2002-02-28 | Senco Products, Inc. | Dispositif a chocs |
US6662990B1 (en) * | 2003-01-03 | 2003-12-16 | Modern Pioneer Ltd. | Buffer apparatus of electrical nailing gun |
CN2644112Y (zh) * | 2003-07-04 | 2004-09-29 | 益卓有限公司 | 电动钉枪 |
US6854530B1 (en) * | 2003-09-01 | 2005-02-15 | Chih Hao Yiu | Method for driving electric percussion tool |
US7503400B2 (en) * | 2004-01-30 | 2009-03-17 | Arrow Fastener Co., Inc. | Two shot power nailer |
US20070125562A1 (en) * | 2005-12-04 | 2007-06-07 | Mobiletron Electronics Co.,Ltd. | Method of controlling striking force and rebounding force for electric nailing machine |
US7537145B2 (en) | 2007-02-01 | 2009-05-26 | Black & Decker Inc. | Multistage solenoid fastening device |
EP2594807A1 (fr) * | 2011-11-16 | 2013-05-22 | Palfinger Platforms GmbH | Système hydraulique doté d'au moins une machine d'entraînement, notamment développée comme une pompe |
US11110577B2 (en) | 2017-11-16 | 2021-09-07 | Milwaukee Electric Tool Corporation | Pneumatic fastener driver |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE198939C (fr) * | ||||
US3438449A (en) * | 1967-04-10 | 1969-04-15 | Arthur J Smith | Pneumatically operated power driver |
US4005812A (en) * | 1975-06-04 | 1977-02-01 | Duo-Fast Corporation | Electric fastener driving tool |
DE3232137C2 (de) * | 1981-09-23 | 1985-08-29 | Erwin Müller GmbH & Co, 4450 Lingen | Elektrisch betriebenes Eintreibgerät für Heft- und Befestigungsmittel |
DE3304302C2 (de) * | 1981-09-23 | 1987-04-16 | Erwin Müller GmbH & Co, 4450 Lingen | Elektrisch betriebenes Gerät zum Eintreiben von Befestigungsmitteln |
DE3232120A1 (de) * | 1982-08-28 | 1984-03-01 | Robert Bosch Gmbh, 7000 Stuttgart | Elektromagnetisch betriebenes einschlaggeraet |
-
1984
- 1984-02-18 DE DE19843405906 patent/DE3405906A1/de not_active Withdrawn
- 1984-12-21 US US06/684,909 patent/US4565313A/en not_active Expired - Fee Related
- 1984-12-27 EP EP84116358A patent/EP0152628B1/fr not_active Expired
- 1984-12-27 DE DE8484116358T patent/DE3464713D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3464713D1 (en) | 1987-08-20 |
US4565313A (en) | 1986-01-21 |
DE3405906A1 (de) | 1985-08-22 |
EP0152628A1 (fr) | 1985-08-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69719590T2 (de) | Verbrennungsbetriebenes Werkzeug mit Kolbenhalter- und Stabilisierungsanordnung | |
EP2127816A2 (fr) | Dispositif d'enfoncement manuel entraîné de manière électrique | |
EP0152628B1 (fr) | Outil pour poser des attaches, en particulier agrafeuse électrique | |
DE69603175T2 (de) | Eintreibgerät für befestigungsmittel zum feststellen einer bestehenden bohrung und zum eintreiben eines befestigungselementes dadurch | |
DE3125860C2 (de) | Elektrisch betriebenes Handarbeitsgerät | |
US4442965A (en) | Nail feed mechanism | |
US4230249A (en) | Hand-held fastener driving tool | |
DE102009028438A1 (de) | Schnurlose Nagelpistole | |
DE2624107A1 (de) | Elektrisch angetriebenes handgeraet zum eintreiben von befestigungsmitteln | |
EP0743141A1 (fr) | Outil de scellement actionné par poudre avec magasin pour éléments de fixation | |
DE102011007703A1 (de) | Eintreibgerät | |
DE3232137C2 (de) | Elektrisch betriebenes Eintreibgerät für Heft- und Befestigungsmittel | |
EP2051835B1 (fr) | Dispositif de clouage | |
DE3524260A1 (de) | Elektrische heftmaschine | |
EP0166303A1 (fr) | Outil pour renforcer des attaches | |
EP0226027B1 (fr) | Agrafeuse motorisée avec contrôle d'action répétitive | |
DE3504437C2 (fr) | ||
DE10055003B4 (de) | Eintreibgerät | |
EP0124794B1 (fr) | Outil pour chasser des attaches | |
DE3304302C2 (de) | Elektrisch betriebenes Gerät zum Eintreiben von Befestigungsmitteln | |
EP0127853B1 (fr) | Magasin d'agrafes pour agrafeuse actionnée à la main ou entraînée par moteur | |
DE3320251A1 (de) | Elektromagnetisch betaetigbares geraet zum eintreiben von befestigungsmitteln | |
EP0231945A1 (fr) | Agrafeuse électrique | |
EP0232474B1 (fr) | Agrafeuse motorisée | |
DE3445279C2 (fr) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19841227 |
|
AK | Designated contracting states |
Designated state(s): DE GB SE |
|
17Q | First examination report despatched |
Effective date: 19860926 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE GB SE |
|
REF | Corresponds to: |
Ref document number: 3464713 Country of ref document: DE Date of ref document: 19870820 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
EAL | Se: european patent in force in sweden |
Ref document number: 84116358.7 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: 746 Effective date: 19961128 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19981218 Year of fee payment: 15 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19991228 |
|
EUG | Se: european patent has lapsed |
Ref document number: 84116358.7 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20021213 Year of fee payment: 19 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20031227 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20040210 Year of fee payment: 20 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20031227 |