EP0997232A2 - Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch - Google Patents
Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch Download PDFInfo
- Publication number
- EP0997232A2 EP0997232A2 EP99125704A EP99125704A EP0997232A2 EP 0997232 A2 EP0997232 A2 EP 0997232A2 EP 99125704 A EP99125704 A EP 99125704A EP 99125704 A EP99125704 A EP 99125704A EP 0997232 A2 EP0997232 A2 EP 0997232A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- push rod
- handle
- release lever
- tool according
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/068—Arrangements for positively actuating jaws with at least one jaw sliding along a bar
Definitions
- the invention relates to a clamping tool according to the generic term of claim 1.
- a generic clamping tool in the form of a clamp is from German patent application DE 39 17 473 known.
- This known clamp has one movable jaw, which at the end of a push rod sits. This jaw passes through a housing, which carries a second, fixed jaw. From the case protrudes a handle. By means of a handle that is pivotally arranged on the housing, and which on the Handle can be moved, the push rod be shifted so that the movable jaw is gradually moved towards the fixed jaw.
- the known clamp On the handling side in the direction of the two clamping jaws the known clamp has a released one Non-return lock in the form of a clamping lever. This should prevent the movable jaw from moving in the opposite direction can be relocated. Stands out with a free end there the lever forming the backstop from the Housing out and can be swiveled around the Release backlash. In the released position the two jaws can move in the opposite direction move apart.
- Another clamp is from GB 21 78 689.
- the Manageability of this clamp is similar to that of the utility model 87 03 379.8.
- the invention has for its object a generic Advantageously to further develop the clamp.
- the first jaw is activated by operating a lever gradually shifted back to the second jaw.
- a preferred one Design has the backstop one with Pull or push rod clampable or lockable slide. This slide can against the release lever the force of a return spring freely via the tension or Push rod to be relocated. If the operation of the Release lever ends, the slide moves in a jammed or locked position and is under Carrying the pull or push rod from the return spring relocated.
- the return spring preferably engages on one side of the slider and thus creates a missing one Counter tension or counter bearing of the opposite Side tilted.
- the release lever can still one Form a stop for the opposite side of the slide, by means of which the opposite side of the slide against a fixed stop can be pressed. For this the release lever is effectively fork-shaped.
- the handle can be gripped by one hand, there between the handle and the slant, in one The handle running at an angle to it forms a free space, which allows the operating handle to be gripped. It is then not necessary for the hand to grip the handle includes a total of two for lever actuation Lever, namely must also grip the handle.
- the clamp has a first jaw 1 and a second jaw 2.
- the first jaw 1 is via detachable connections, e.g. plug connections, Screws or the like with one end 3 'of Pull or push rod 3 firmly connected.
- the jaw 2 has a stepping gear housing which of the Push rod 3 is penetrated.
- the stepper gearbox continues in one Handle part 33.
- Adjacent an arm protrudes from the gear housing 10 a release lever 15, which by means of a Compression spring 34 is cushioned against the housing.
- In the rest arm acts on the active arm 18 of the release lever 15 a stationary stop 35.
- the active arm 18 has a cavity through which the train or Push rod 3 runs.
- Parallel to the arm 18 of the Release lever 15, which is pivotable about the bearing pin 16 is, a locking slide 14, on which its return side 19 engages a return spring 17 and the locking slide 14 against the direction of displacement the pull or push rod 3 is applied.
- the opposite side 20 of the locking slide 14 rests in the rest position against a fixed stop 24.
- the handle 10 has a cavity 13. It is in the Area of the cavity 13 designed U-shaped. In these Hollow engages the second arm 7 of an operating lever 6 a.
- the operating lever 6 has an angular Shape and acted upon with his second arm 6 ', which forms an active arm, an area of application 9 of a take-away valve.
- the driving slide 5 has as well as the locking slide 14 an opening through which the train or Push rod 3 protrudes. Just like the corresponding opening of the gate valve 14 has the opening of Driving slider 5 edges to deal with the train or To be able to tilt the push rod 3.
- the driving slide 5 is by means of a compression spring penetrated by the pull or push rod 4, which is supported on the stops 35 pressed against the stops 22, 23 such that the Push rod 3 freely through the opening of the slider 5 can slide.
- the preload of the slider and the associated cant with the narrow edges of the pull or push rod 3 is one Displacement of the push rod 3 only in the direction of the arrow possible.
- the locking slide 14 can just as the driving slide 5 opposite by manipulation in the direction of the arrow be moved to the housing.
- the relocation of the Locking slide 4 takes place by actuating the release lever 15.
- the release lever 15 is in front of the handle 10 that one of his fingers in the free space brought between handle 10 and handle 33, the handle 10 gripping hand can be operated.
- a release is also possible if a workpiece extends over the push rod 3 and immediately before the flight to the fixed jaw 2 lying handle 33 lies. Especially when the workpiece then comes into contact with the handle 33 is possible if the clamping clamp in the position shown in FIG stretching function shown, the handle can no longer be included.
- the stretching function turns out to be fleeting Extension to the fixed jaw 2 protruding edge the handle 33 even as advantageous, as this as can serve additional contact surface on a workpiece.
- the release lever 15 is roughly diagonally opposite to the fixed jaw 2 on the housing. It acts in this way on the locking slide 14, that the application of the locking slide 14 with the Arm 18 of the release lever 1 canceled the tilt position is and the locking slide 14 freely on the train or Push rod 3 can slide.
- the arm reaches for this 18 on the attack side 19 of the gate valve 14, on which side the return spring 17 acts.
- the return spring 17 By moving the locking slide 14 in the direction of The return spring 17 is tensioned arrow. Will the Release lever 15 released, the return spring pulls on the attack side 19 against the locking slide 14 Arrow direction.
- This one-sided load on the release lever 15 causes a tilt 25, 26 to the opposite opening sides of the gate valve 14.
- the locking slide jams 14 on the pull or push rod 3, so that the push rod 3 against the direction of the arrow from the return spring 17 is taken along so that the two jaws 1, 2nd be moved apart.
- FIG. 8 works in an identical manner to that in FIGS. 1 to 7 Exemplified embodiment shown, only the housing shape is designed differently and the return spring 17th is somewhat shortened.
- the bearing pin 16 pivotable release lever 15 fork-shaped and forms an extension 21 which has a stop trains to the opposite side 20 of the gate valve 14 to press against the fixed stop 24.
- the back of handle 33 goes into a recessed section over from which the push rod 3 protrudes.
- the embodiment shown is that of the push rod 3 adjacent recessed section lower to Release lever 15 spaced as the back of the handle 33.
- the gearbox described above can not only on one One-handed clamps find application, but on everyone Kind of vice and especially on a clamping table.
- a clamping table When used on a clamping table, that the jaws on two parallel to each other Spars lying across, in parallel are led to the spars and each spar is a prescribed one Has tension gear.
- the operation can take place in particular via a foot pedal.
- the embodiment shown in Fig. 9 draws is characterized by an attractively designed housing shape.
- the pivot points of release lever 15 are also located here and handle 10 on the opposite side of the Jaws 1, 2 and on the same side as the one from lever 10, 15 protruding from the housing protrude handle 33, handle 10 and release lever 15 separate and free from the housing.
- the release lever is diagonally opposite for the fixed jaw.
- This variant also allows assembly the movable jaw 1 on the opposite Side 3 '' of the push rod 3. In this position can form the handle that protrudes from the housing Arm 33 in combination with the fixed jaw 2 a support function exercise.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Jigs For Machine Tools (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Sawing (AREA)
Abstract
Description
- Fig. 1
- ein erfindungsgemäßes Spannwerkzeug in der Ausgestaltung einer Spannzwinge in einer ersten, unverspannten Stellung;
- Fig. 2
- eine Folgedarstellung der Fig. 1 bei betätigter Griffhandhabe im ungespannten Zustand;
- Fig. 3
- eine Darstellung bei teilbetätigter Handhabenbetätigung, wobei die beiden Spannbacken unter Einspannung eines Werkstückes auf Block zusammengefahren sind;
- Fig. 4
- eine Folgedarstellung zu Fig. 3, bei weiterbetätigter Griffhandhabe und verkürztem Griffarm;
- Fig. 5
- eine Folgedarstellung der Fig. 4, wobei im verspannten Zustand die Rückdrücksperre freigegeben ist;
- Fig. 6
- eine Folgedarstellung von Fig. 5, wobei die Spannbacken durch Betätigung der Rückdrücksperre in freigaberichtung auseinanderfahren;
- Fig. 7
- eine Montagevariante bei der das Spannwerkzeug als Spreizzwinge ausgebildet ist;
- Fig. 8
- ein zweites Ausführungsbeispiel der Erfindung; und
- Fig. 9
- ein drittes Ausführungsbeispiel der Erfindung.
Claims (8)
- Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch mit einer ersten (1) und einer zweiten Spannbacke (2), wobei die erste, an einer Zug- oder Schubstange (3) sitzende Spannbacke (1) gegenüber der zweiten Spannbacke (2) mittels einer ersten auf einen gegen die Rückstellkraft einer Feder (4) verlagerbaren Mitnahmeschieber wirkenden Hebelübertragung schrittweise in eine Richtung verlagerbar ist, und mit einer freigebbaren Rückdrücksperre, welche mittels eines Freigabehebels (15) von einer Sperrstellung in eine Gleitstellung bringbar ist, dadurch gekennzeichnet, daß die erste Spannbacke (1) mittels einer zweiten Hebelübertragung schrittweise gegenüber der zweiten Spannbakke (2) entgegen Spannrichtung rückverlagerbar ist.
- Spannwerkzeug nach einem der vörhergehenden Ansprüche, dadurch gekennzeichnet, daß die Rückdrücksperre einen mit der Zug- oder Schubstange verklemm- oder verrastbaren Schieber (14) umfaßt, welcher von dem Freigabehebel (15) gegen die Kraft einer Rückstellfeder (17) frei über die Zug- oder Schubstange (3) verlagerbar ist und in einer Verklemm- oder Verraststellung unter Mitnahme der Zug- oder Schubstange (3) von der Rückstellfeder (17) rückverlagert wird.
- Spannwerkzeug nach Anspruch 2, dadurch gekennzeichnet, daß die Rückstellfeder (17) einseitig am Schieber (14) angreift und den Schieber (14) bei unbetätigtem Freigabehebel (15) in der Sperrstellung hält.
- Spannwerkzeug nach einem der Ansprüche 2 oder 3, dadurch gekennzeichnet, daß der Freigabehebel (15) mit einem Arm (18) an der Angriffsseite (19) der Rückstellfeder (17) angreift und bei Betätigung die Sperrwirkung aufhebt.
- Spannwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperrschieber (14) und/oder der Mitnahmeschieber (15) jeweils mit Kanten 25, 26 bzw. 27, 28) versehene Öffnung aufweist, durch welche die Schubstange (3) ragt und in seiner Sperrstellung mit den Schmalseiten der Zug- oder Schubstange (3) verkantet.
- Spannwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sowohl die Handhabe (10), als auch der Freigabehebel (15) auf der den Spannbacken (1, 2) abgewandten Seite des Handgriffes (33) liegen.
- Spannwerkzeug, nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Freigabehebel (15) an dem der Festbacke (2) diagonal gegenüberliegenden Ende des Gehäuses sitzt.
- Spannwerkzeug nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Rücken des Griffes (33) etwa in fluchtender Gegenüberlage zur festen Spannbacke (2) am Gehäuse sitzt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19731579 | 1997-07-23 | ||
DE19731579A DE19731579A1 (de) | 1997-07-23 | 1997-07-23 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
EP98940087A EP0998373B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98940087A Division EP0998373B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0997232A2 true EP0997232A2 (de) | 2000-05-03 |
EP0997232A3 EP0997232A3 (de) | 2000-11-22 |
EP0997232B1 EP0997232B1 (de) | 2002-10-23 |
Family
ID=7836595
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98940087A Expired - Lifetime EP0998373B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch |
EP99125704A Expired - Lifetime EP0997232B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
EP99125705A Revoked EP0997233B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98940087A Expired - Lifetime EP0998373B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere spannzwinge, spannstock oder spanntisch |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99125705A Revoked EP0997233B1 (de) | 1997-07-23 | 1998-06-26 | Spannwerkzeug, insbesondere Spannzwinge, Spannstock oder Spanntisch |
Country Status (7)
Country | Link |
---|---|
US (1) | US6578837B1 (de) |
EP (3) | EP0998373B1 (de) |
CN (3) | CN100450719C (de) |
AU (1) | AU8853298A (de) |
CA (2) | CA2304718C (de) |
DE (6) | DE19731579A1 (de) |
WO (1) | WO1999004932A1 (de) |
Cited By (3)
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WO2005011918A2 (de) * | 2003-08-01 | 2005-02-10 | Irwin Industrial Tools Gmbh | Werkzeug zum erzeugen einer spannkraft und/oder einer spreizkraft |
DE10358303A1 (de) * | 2003-12-12 | 2005-07-14 | Irwin Industrial Tools Gmbh | Antrieb mit einer Verlagerungsschließrichtung und Spann- und/oder Spreizwerkzeug |
EP1642681A2 (de) * | 2004-09-29 | 2006-04-05 | Thomas Völkl | Klemmzwinge |
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US6367787B1 (en) | 1999-03-01 | 2002-04-09 | American Tool Companies, Inc. | Hand clamp |
CA2369100C (en) | 2000-02-02 | 2008-08-12 | Bessey & Sohn Gmbh & Co. | Clamping device |
EP1253994B1 (de) | 2000-02-02 | 2007-05-02 | BESSEY Tool GmbH & Co. KG | Spanneinrichtung |
ES2227282T3 (es) | 2000-09-12 | 2005-04-01 | Wolfcraft Gmbh | Heramienta de sujecion con una mordaza de sujecion movil y una mordaza de sujecion fija reposicionable. |
US6382608B1 (en) | 2000-10-31 | 2002-05-07 | Steven W. Michell | Adjustable clamping and spreading bar clamp or bench vice |
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US7699297B2 (en) * | 2001-08-10 | 2010-04-20 | Irwin Industrial Tool Company | Increased and variable force and multi-speed clamps |
NZ514441A (en) * | 2001-09-27 | 2004-02-27 | Cleco New Zealand Ltd | Clamp to suspend child's swing beneath doorway architrave |
DE10250335A1 (de) * | 2002-10-29 | 2004-05-19 | Li, Tsung-Hsiang, Hemei Chen | Schnellstangenspannzeug |
DE10335351B4 (de) * | 2003-08-01 | 2007-05-24 | Irwin Industrial Tools Gmbh | Schrittgetriebe mit einem Mitnehmer und Werkzeug, insbesondere Spannzwinge |
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US7159859B2 (en) * | 2003-10-03 | 2007-01-09 | Irwin Industrial Tool Company | Pipe clamp with releasable clamp body |
EP1704021B1 (de) | 2003-12-12 | 2011-04-20 | Irwin Industrial Tools GmbH | Spann- und/oder spreizwerkzeug mit einem antrieb zum kontinuierlichen verlagern der beiden spannbacken relativ zueinander |
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DE19512402A1 (de) * | 1995-04-03 | 1996-10-10 | Hilti Ag | Manuelles Auspressgerät für pastöse Massen |
DE29603811U1 (de) * | 1996-03-01 | 1996-04-18 | Drake, Johannes, 33106 Paderborn | Spannzwinge zur Einhandbedienung |
US5732936A (en) * | 1996-03-29 | 1998-03-31 | Lii; Liang-Kuen | Fast C clamp |
AU1790897A (en) * | 1997-02-17 | 1998-09-08 | Bessey & Sohn Gmbh & Co. | Gripping device |
DE29821110U1 (de) * | 1998-11-25 | 2000-04-06 | Wolfcraft Gmbh | Einhändig betätigbare Spannzwinge |
US6386530B1 (en) * | 2000-08-10 | 2002-05-14 | Worktools, Inc. | Quick action clamp |
US6382608B1 (en) * | 2000-10-31 | 2002-05-07 | Steven W. Michell | Adjustable clamping and spreading bar clamp or bench vice |
-
1997
- 1997-07-23 DE DE19731579A patent/DE19731579A1/de not_active Withdrawn
-
1998
- 1998-06-26 DE DE59806061T patent/DE59806061D1/de not_active Expired - Lifetime
- 1998-06-26 DE DE59806876T patent/DE59806876D1/de not_active Revoked
- 1998-06-26 EP EP98940087A patent/EP0998373B1/de not_active Expired - Lifetime
- 1998-06-26 CA CA002304718A patent/CA2304718C/en not_active Expired - Lifetime
- 1998-06-26 CN CNB021221588A patent/CN100450719C/zh not_active Expired - Lifetime
- 1998-06-26 CA CA002586001A patent/CA2586001C/en not_active Expired - Lifetime
- 1998-06-26 AU AU88532/98A patent/AU8853298A/en not_active Abandoned
- 1998-06-26 WO PCT/EP1998/003915 patent/WO1999004932A1/de active Application Filing
- 1998-06-26 CN CNB988075385A patent/CN1136078C/zh not_active Expired - Lifetime
- 1998-06-26 EP EP99125704A patent/EP0997232B1/de not_active Expired - Lifetime
- 1998-06-26 DE DE59800409T patent/DE59800409D1/de not_active Expired - Lifetime
- 1998-06-26 EP EP99125705A patent/EP0997233B1/de not_active Revoked
- 1998-06-26 DE DE19861130A patent/DE19861130A1/de not_active Withdrawn
- 1998-06-26 CN CNB200610100634XA patent/CN100528490C/zh not_active Expired - Lifetime
- 1998-06-26 US US09/463,478 patent/US6578837B1/en not_active Expired - Lifetime
- 1998-06-26 DE DE19880089T patent/DE19880089B4/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3427016A (en) * | 1967-03-17 | 1969-02-11 | Harold D Harris | Ratchet clamp vernier |
GB2178689A (en) * | 1985-06-04 | 1987-02-18 | David John Richmond | A clamp for single-handed operation |
DE3917473A1 (de) * | 1988-08-09 | 1990-02-15 | Petersen Mfg | Schnellspann-zwinge |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005011918A2 (de) * | 2003-08-01 | 2005-02-10 | Irwin Industrial Tools Gmbh | Werkzeug zum erzeugen einer spannkraft und/oder einer spreizkraft |
WO2005011918A3 (de) * | 2003-08-01 | 2005-05-12 | Irwin Ind Tools Gmbh | Werkzeug zum erzeugen einer spannkraft und/oder einer spreizkraft |
EP2359984A1 (de) * | 2003-08-01 | 2011-08-24 | Irwin Industrial Tools GmbH | Schrittgetriebe für ein Spann- und/oder Spreizwerkzeug und Spann- und/oder Spreizwerkzeug |
US8016276B2 (en) | 2003-08-01 | 2011-09-13 | Irwin Industrial Tool Company | Incremental gear for bar clamp |
DE10358303A1 (de) * | 2003-12-12 | 2005-07-14 | Irwin Industrial Tools Gmbh | Antrieb mit einer Verlagerungsschließrichtung und Spann- und/oder Spreizwerkzeug |
EP1642681A2 (de) * | 2004-09-29 | 2006-04-05 | Thomas Völkl | Klemmzwinge |
EP1642681A3 (de) * | 2004-09-29 | 2006-06-07 | Thomas Völkl | Klemmzwinge |
Also Published As
Publication number | Publication date |
---|---|
EP0997232B1 (de) | 2002-10-23 |
EP0997233A3 (de) | 2000-11-22 |
CA2586001A1 (en) | 1999-02-04 |
DE19880089D2 (de) | 1999-11-11 |
DE59806061D1 (de) | 2002-11-28 |
CN100450719C (zh) | 2009-01-14 |
DE59806876D1 (de) | 2003-02-13 |
EP0997233B1 (de) | 2003-01-08 |
DE19731579A1 (de) | 1999-01-28 |
DE59800409D1 (de) | 2001-02-01 |
CN100528490C (zh) | 2009-08-19 |
EP0997233A2 (de) | 2000-05-03 |
CN1265056A (zh) | 2000-08-30 |
US6578837B1 (en) | 2003-06-17 |
DE19861130A1 (de) | 2000-04-06 |
EP0997232A3 (de) | 2000-11-22 |
CN1136078C (zh) | 2004-01-28 |
CN1899768A (zh) | 2007-01-24 |
CA2586001C (en) | 2009-11-17 |
EP0998373B1 (de) | 2000-12-27 |
DE19880089B4 (de) | 2007-04-19 |
CA2304718A1 (en) | 1999-02-04 |
CN1389328A (zh) | 2003-01-08 |
EP0998373A1 (de) | 2000-05-10 |
AU8853298A (en) | 1999-02-16 |
WO1999004932A1 (de) | 1999-02-04 |
CA2304718C (en) | 2009-03-31 |
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