EP1179392A2 - Elément de fixation et support - Google Patents

Elément de fixation et support Download PDF

Info

Publication number
EP1179392A2
EP1179392A2 EP01111589A EP01111589A EP1179392A2 EP 1179392 A2 EP1179392 A2 EP 1179392A2 EP 01111589 A EP01111589 A EP 01111589A EP 01111589 A EP01111589 A EP 01111589A EP 1179392 A2 EP1179392 A2 EP 1179392A2
Authority
EP
European Patent Office
Prior art keywords
hollow piston
piston
wall
cylinder housing
cylinder
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
EP01111589A
Other languages
German (de)
English (en)
Other versions
EP1179392A3 (fr
EP1179392B1 (fr
Inventor
Josef Feulner
Klaus Richter
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.)
Ludwig Ehrhardt GmbH
Original Assignee
A Roemheld GmbH and Co KG
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 A Roemheld GmbH and Co KG filed Critical A Roemheld GmbH and Co KG
Publication of EP1179392A2 publication Critical patent/EP1179392A2/fr
Publication of EP1179392A3 publication Critical patent/EP1179392A3/fr
Application granted granted Critical
Publication of EP1179392B1 publication Critical patent/EP1179392B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B25B5/061—Arrangements for positively actuating jaws with fluid drive

Definitions

  • the invention relates to a tensioning and support element as it especially for clamping easily deformable workpieces Application comes.
  • Such hydraulic support elements have one Shift cylinder, so that when the piston is pressurized via a Compression spring moves the support pin against the workpiece with little force. Only when the piston has hit the inner stop, does the Pressure increase in the hydraulics. This leads to the support bolt is clamped and firmly seated.
  • the invention is therefore based on the object of a tensioning and supporting element to combine so that the hydraulic system on the workpiece acting holding force together with an additionally generated force acts regardless of which on the workpiece as a result of machining forces acting on the piston against the workpiece during entire machining process is held immovably in its position.
  • a hollow piston 1 is guided in the cylinder housing 2.
  • the Cylinder housing 2 is shown here in the form of a screw-in version.
  • a spring 3 is provided, which when extending the piston is cocked.
  • the wall of the hollow piston points over it Length of different wall thicknesses. So is the hollow piston in the bottom and upper area provided with a wall 4 through which on the piston acting forces is not deformable.
  • the middle area of the Hollow piston is with a wall 5 with a smaller cross section Mistake. This wall 5 is deformable over its entire area. The deformable area is in its effective length the respective inserts and to adapt to circumstances.
  • the hollow piston 1 is moved out of the cylinder housing 2, until it comes to rest on the workpiece. At the same time, it is part of the Hydraulics get into the piston chamber 7. Now the pressure continues built up, a pressure is created in the piston pressure chamber 7, by which the Center region of the piston tapered wall 5 deformed and against Inner wall of the cylinder housing 2 is pressed. So that for the Hollow piston 1 created additional holding forces, in the form of a frictional force created by the surface pressure of the touching walls.
  • a hollow piston that tapers in a certain central area Cross-section is only allowed to transfer limited Forces. If larger forces are to be transmitted, then it is necessary To make the wall of the hollow piston evenly strong again. 2 shows how the transfer of larger forces is made possible without the Do without the advantage of frictional forces.
  • the hollow piston 15 is guided, the walls of which 4 consistently have a cross-section that is independent of any Load is undeformable.
  • the walls of the cylinder housing 16 against it have a different cross-section.
  • In the lower area is the Tapered cylinder wall, in relation to the cylinder wall 12 in the middle and top area.
  • a bushing 13 is inserted in the cylinder housing 16. This socket 13 goes directly into a thin-walled sleeve 14, the is guided along the piston wall.
  • the hollow piston 15 is thus sliding in the socket 13 and the sleeve 14 out.
  • the cylinder housing 16 is in the area the sleeve 14 recessed so that a pressure chamber 10 is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Actuator (AREA)
  • Machine Tool Units (AREA)
EP20010111589 2000-05-19 2001-05-12 Elément de fixation et support Expired - Lifetime EP1179392B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10024981 2000-05-19
DE2000124981 DE10024981A1 (de) 2000-05-19 2000-05-19 Spann- und Stützelement

Publications (3)

Publication Number Publication Date
EP1179392A2 true EP1179392A2 (fr) 2002-02-13
EP1179392A3 EP1179392A3 (fr) 2003-07-09
EP1179392B1 EP1179392B1 (fr) 2007-11-21

Family

ID=7642904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010111589 Expired - Lifetime EP1179392B1 (fr) 2000-05-19 2001-05-12 Elément de fixation et support

Country Status (3)

Country Link
EP (1) EP1179392B1 (fr)
DE (2) DE10024981A1 (fr)
ES (1) ES2296683T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016000391U1 (de) 2016-01-21 2016-02-29 Christof Steubing Abstützvorrichtung
DE202016002983U1 (de) 2016-05-06 2016-06-15 Christof Steubing Abstützvorrichtung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1344615B1 (fr) * 2002-03-15 2007-07-18 Dienes Werke Für Maschinenteile Gmbh & Co Kg Support de lame permettant le blocage sans jeu de la lame

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2002563A1 (fr) * 1968-02-24 1969-10-17 Bemberg Ag
DE1901283A1 (de) * 1969-01-11 1970-07-30 Roemheld Kg A Stuetzbock zum Abstuetzen von Werkstuecken waehrend der Bearbeitung
EP0219768A2 (fr) * 1985-10-21 1987-04-29 Wyler AG Palier
EP0899061A2 (fr) * 1997-08-29 1999-03-03 Fritz Schunk GmbH & Co KG Fabrik für Spann- und Greifwerkzeuge Machoires de serrage et dispositif de serrage de pièces à travailler
WO2000003826A1 (fr) * 1998-07-20 2000-01-27 Vektek, Inc. Support de pieces hydraulique
EP1079117A1 (fr) * 1999-02-24 2001-02-28 Pascal Kabushiki Kaisha Dispositif de verrouillage hydraulique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2002563A1 (fr) * 1968-02-24 1969-10-17 Bemberg Ag
DE1901283A1 (de) * 1969-01-11 1970-07-30 Roemheld Kg A Stuetzbock zum Abstuetzen von Werkstuecken waehrend der Bearbeitung
EP0219768A2 (fr) * 1985-10-21 1987-04-29 Wyler AG Palier
EP0899061A2 (fr) * 1997-08-29 1999-03-03 Fritz Schunk GmbH & Co KG Fabrik für Spann- und Greifwerkzeuge Machoires de serrage et dispositif de serrage de pièces à travailler
WO2000003826A1 (fr) * 1998-07-20 2000-01-27 Vektek, Inc. Support de pieces hydraulique
EP1079117A1 (fr) * 1999-02-24 2001-02-28 Pascal Kabushiki Kaisha Dispositif de verrouillage hydraulique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016000391U1 (de) 2016-01-21 2016-02-29 Christof Steubing Abstützvorrichtung
DE202016002983U1 (de) 2016-05-06 2016-06-15 Christof Steubing Abstützvorrichtung

Also Published As

Publication number Publication date
ES2296683T3 (es) 2008-05-01
EP1179392A3 (fr) 2003-07-09
EP1179392B1 (fr) 2007-11-21
DE10024981A1 (de) 2001-11-22
DE50113285D1 (de) 2008-01-03

Similar Documents

Publication Publication Date Title
DE10339291B3 (de) Radialpresse zum Verpressen von rotationssymmetrischen Hohlkörpern
AT400748B (de) Patronenventil
DE69208435T2 (de) Druckflüssigkeitszylinder mit Druckübersetzer
DE69806320T2 (de) Druckflüssigkeitsbetriebener Schlagmeschanismus
EP0565982A1 (fr) Agencement de soupape
EP1702712B1 (fr) Dispositif de serrage
DE19512664C2 (de) Abstützvorrichtung
EP1179392A2 (fr) Elément de fixation et support
DE2336512C2 (de) Ventil
DE3532592A1 (de) 3-wege-druckminderventil mit sekundaerdruckueberwachung
DE3045360C2 (de) Druckbegrenzungsventil
DE19704006A1 (de) Unterteilungsvorrichtung für einen Druckmittelkanal
DE10252549A1 (de) Druckmittelbetätigter Schwenkspanner sowie Steuerung für einen solchen Schwenkspanner
DE4015149A1 (de) Dehnspannfutter
DE10139520A1 (de) Spannelement zum Spannen von Werkstücken
DE2524017A1 (de) Hydraulischer druckzylinder und einrichtung zur druckerzeugung
EP0554760A1 (fr) Multiplication de pression hydropneumatique
DE10251821B3 (de) Hydraulisches Zeitglied
DE3431652A1 (de) Hydraulischer werkzeugspanner
DE10135281A1 (de) Spannelement zum positionsflexiblen Spannen von Werkstücken
AT224412B (de) Hydraulischer Schnellsteuerschieber
DE20202200U1 (de) Hydraulisches Pressgerät mit Rückstellbegrenzung
DD237806A5 (de) Befestigungsvorrichtung fuer eine werkzeugmagazin an der spindel einer werkzeugmaschine
DE10004975C2 (de) Mehrstufiges hydraulisches Druckbegrenzungsventil
AT389353B (de) Stroemungsregelventil

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20040109

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: LUDWIG EHRHARDT GMBH

17Q First examination report despatched

Effective date: 20070306

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 50113285

Country of ref document: DE

Date of ref document: 20080103

Kind code of ref document: P

EL Fr: translation of claims filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: BOVARD AG PATENTANWAELTE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071121

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080221

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2296683

Country of ref document: ES

Kind code of ref document: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071121

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20080523

Year of fee payment: 8

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

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080421

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

26N No opposition filed

Effective date: 20080822

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071121

BERE Be: lapsed

Owner name: LUDWIG EHRHARDT G.M.B.H.

Effective date: 20080531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080531

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20080522

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080222

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071121

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20090512

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: 20090512

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20090513

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080512

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071121

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090513

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: LUDWIG EHRHARDT GMBH

Free format text: LUDWIG EHRHARDT GMBH#ROEMHELDSTRASSE 1-5#35321 LAUBACH (DE) -TRANSFER TO- LUDWIG EHRHARDT GMBH#ROEMHELDSTRASSE 1-5#35321 LAUBACH (DE)

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 50113285

Country of ref document: DE

Representative=s name: ZACCO DR. PETERS UND PARTNER, DE

Ref country code: DE

Ref legal event code: R082

Ref document number: 50113285

Country of ref document: DE

Representative=s name: ZACCO PATENTANWALTS- UND RECHTSANWALTSGESELLSC, DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20190521

Year of fee payment: 19

Ref country code: DE

Payment date: 20190531

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20190523

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20190517

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50113285

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 378941

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200512

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200512

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200531

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20201201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200512

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200531

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20190521

Year of fee payment: 19