EP0457021A1 - Vehicle jack - Google Patents

Vehicle jack Download PDF

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Publication number
EP0457021A1
EP0457021A1 EP91105650A EP91105650A EP0457021A1 EP 0457021 A1 EP0457021 A1 EP 0457021A1 EP 91105650 A EP91105650 A EP 91105650A EP 91105650 A EP91105650 A EP 91105650A EP 0457021 A1 EP0457021 A1 EP 0457021A1
Authority
EP
European Patent Office
Prior art keywords
spring
base plate
region
spring element
jack
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
EP91105650A
Other languages
German (de)
French (fr)
Other versions
EP0457021B1 (en
Inventor
Wolfgang Dipl.-Ing. Metzen
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.)
ThyssenKrupp Bilstein GmbH
Original Assignee
August Bilstein 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 August Bilstein GmbH filed Critical August Bilstein GmbH
Publication of EP0457021A1 publication Critical patent/EP0457021A1/en
Application granted granted Critical
Publication of EP0457021B1 publication Critical patent/EP0457021B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
    • B66F3/12—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated comprising toggle levers

Definitions

  • the invention relates to a jack according to the preamble of claim 1.
  • DE 36 03 311 A1 shows such a jack in which the base plate is pivoted relative to the pillar by a spring in the attachment position.
  • a disadvantage of this jack is that the base plate is pivoted as far as possible in the longitudinal direction of the pillar in the rest position of the jack. This increases the total length of the jack when fully folded, which means that a longer stowage length in the storage space of the car is required.
  • the invention has for its object to develop a jack according to the preamble of claim 1 such that it has a short stowage length in the fully collapsed state, but the base plate is pivoted when attached to the vehicle in the attachment position so that it rests as fully as possible on the floor.
  • the jack 1 is attached to a bottom plate 4 from a pedestal 2 at its lower end via a joint 3.
  • a support arm 6 is pivoted relative to the pillar, which is made possible by a pivot joint 7.
  • the solid and the dash-dotted representation of the base plate 4 shows the two outermost pivotal positions thereof. In the dash-dotted position, the smallest accumulation length 8 results.
  • a one-part coil spring with two free ends 10, 11 is shown as the spring element 9.
  • a spring area 12, which is supported against the standing column 2 and the base plate 4, is constructed from the shorter free end 10, the helical part 13 and the first part of the longer free end 11.
  • the second spring area 14 is formed by the second part of the longer free end 11 is formed and consists of a half loop 15 and a straight extension 16, which ends in a loop 17.
  • a continuous bolt is provided as a joint 3 for connecting the standing column 2 and the base plate 4.
  • Arranged around this bolt is the helical part 13, the helical spring used as the spring element 9.
  • the support arm 6 In the stowed position shown in Fig. 3, the support arm 6 is as close as possible to the column 2. As a result, the pedestal presses on the straight extension 16 of the longer free end 11 of the spring element 9.
  • the spring detection is designed so that the spring force pivoting the base plate 4 is canceled, so that the base plate 4 pivots approximately perpendicular to the pedestal 2.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Body Structure For Vehicles (AREA)
  • Tents Or Canopies (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

In order further to develop a vehicle jack (1), having a vertical column (2) to the lower end of which a base plate (4) is tiltably attached via a pivot (3), and having a supporting arm (6) mounted to be pivotable relative to said column by means of an actuating device (5), the base plate (4) being pivoted by means of a spring element into a predetermined position, in such a manner that it has a short storage length (8) in the completely collapsed state, but the base plate can be pivoted into the presentation position when presented to the vehicle so as to rest thereon with its entire surface, so far as possible, the spring element has a first spring region and a second spring region, the first spring region bears against the vertical column (2) and the base plate (4), and the second spring region bears against the end of the supporting arm (6), which has been moved completely in against the vertical column (2), and the base plate (4), the spring action for the second spring region being negative and greater in comparison with the spring action of the first spring region. <IMAGE>

Description

Die Erfindung betrifft einen Wagenheber nach dem Oberbegriff des Anspruchs 1.The invention relates to a jack according to the preamble of claim 1.

Ein derartiger Wagenheber bei dem die Bodenplatte gegenüber der Standsäule durch eine Feder in Ansetzposition geschwenkt wird zeigt die DE 36 03 311 A1. Nachteilig bei diesem Wagenheber wird die Bodenplatte in Ruhestellung des Wagenhebers soweit wie möglich in Längsrichtung der Standsäule geschwenkt. Dadurch vergroßert sich die Gesamtlänge des Wagenhebers im völlig zusammengeklappten Zustand, wodurch eine größere Staulänge im Stauraum des Pkws erforderlich wird.DE 36 03 311 A1 shows such a jack in which the base plate is pivoted relative to the pillar by a spring in the attachment position. A disadvantage of this jack is that the base plate is pivoted as far as possible in the longitudinal direction of the pillar in the rest position of the jack. This increases the total length of the jack when fully folded, which means that a longer stowage length in the storage space of the car is required.

Der Erfindung liegt die Aufgabe zugrunde, einen Wagenheber nach dem Oberbegriff des Anspruchs 1 derartig weiterzubilden, daß er im völlig zusammengeklappten Zustand eine kurze Staulänge aufweist, die Bodenplatte jedoch beim Ansetzen am Fahrzeug in Ansetzposition geschwenkt ist, damit sie möglichst vollflächig auf dem Boden aufliegt.The invention has for its object to develop a jack according to the preamble of claim 1 such that it has a short stowage length in the fully collapsed state, but the base plate is pivoted when attached to the vehicle in the attachment position so that it rests as fully as possible on the floor.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Vorteilhafte Ausbildungen werden in den Ansprüchen 2 bis 6 beschrieben.This object is achieved by the characterizing features of claim 1. Advantageous designs are described in claims 2 to 6.

Die mit der Erfindung erzielten Vorteile bestehen insbesondere darin, daß mit einfachen Mitteln ohne zusätzliche Bauteile erreicht wird, daß der Wagenheber in völlig zusammengeklapptem Zustand eine kurze Staulänge aufweist und die Bodenplatte beim Ansetzen des Wagenhebers am Fahrzeug in Ansetzposition geschwenkt ist.The advantages achieved by the invention are, in particular, that simple means without additional components ensure that the jack has a short stowage length when fully folded and the base plate is pivoted into position when the jack is attached to the vehicle.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen

  • Fig. 1 die Ansicht eines Wagenhebes,
  • Fig. 2 einen Schnitt durch den unteren Bereich eines Wagenhebers nach Fig. 1 in Ansetzstellung,
  • Fig. 3 einen Schnitt entsprechend Fig. 2 in Staustellung,
  • Fig. 4 eine Ansicht auf Fig. 2 in Richtung IV und
  • Fig. 5 einen Schnitt entsprechend Fig. 2 mit einem Lastkopf am Tragarm.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it
  • 1 is a view of a jack,
  • 2 shows a section through the lower region of a jack according to FIG. 1 in the fitting position,
  • 3 shows a section corresponding to FIG. 2 in the stowed position,
  • Fig. 4 is a view of Fig. 2 in the direction IV and
  • Fig. 5 shows a section corresponding to FIG. 2 with a load head on the support arm.

Wie aus Fig. 1 ersichtlich steht der Wagenheber 1 aus einer Standsäule 2 an ihrem unteren Ende über ein Gelenk 3 kippbar eine Bodenplatte 4 angebracht ist. Mittels einer Betätigungseinrichtung 5, im Ausführungsbeispiel einer Gewindespindel, wird ein Tragarm 6 gegenüber der Standsäule geschwenkt, was über ein Schwenkgelenk 7 ermöglicht wird. Die ausgezogene und die strichpunktierte Darstellung der Bodenplatte 4 zeigt die beiden äußersten Schwenkstellungen derselben. In der strichpunktierten Stellung ergibt sich die geringste Staulänge 8. Im Ausführungsbeispiel ist als Federelement 9 eine einteilige Wendelfeder mit zwei freien Enden 10, 11 gezeigt. Ein Federbereich 12, der sich gegen die Standsäule 2 und die Bodenplatte 4 abstützt ist aufgebaut aus dem kürzeren freien Ende 10, dem Wendelteil 13 und dem ersten Teil des längeren freien Endes 11. Der zweite Federbereich 14 wird durch den zweiten Teil des längeren freien Endes 11 gebildet und besteht aus einer Halbschlaufe 15 und einer geraden Erstreckung 16, die in einer Schlaufe 17 ausläuft. Als Gelenk 3 zum Verbinden von Standsäule 2 und Bodenplatte 4 ist ein durchgehender Bolzen vorgesehen. Um diesen Bolzen angeordnet befindet sich das Wendelteil 13, der als Federelement 9 eingesetzten Wendelfeder.As can be seen from FIG. 1, the jack 1 is attached to a bottom plate 4 from a pedestal 2 at its lower end via a joint 3. By means of an actuating device 5, in the exemplary embodiment of a threaded spindle, a support arm 6 is pivoted relative to the pillar, which is made possible by a pivot joint 7. The solid and the dash-dotted representation of the base plate 4 shows the two outermost pivotal positions thereof. In the dash-dotted position, the smallest accumulation length 8 results. In the exemplary embodiment, a one-part coil spring with two free ends 10, 11 is shown as the spring element 9. A spring area 12, which is supported against the standing column 2 and the base plate 4, is constructed from the shorter free end 10, the helical part 13 and the first part of the longer free end 11. The second spring area 14 is formed by the second part of the longer free end 11 is formed and consists of a half loop 15 and a straight extension 16, which ends in a loop 17. A continuous bolt is provided as a joint 3 for connecting the standing column 2 and the base plate 4. Arranged around this bolt is the helical part 13, the helical spring used as the spring element 9.

In der in Fig. 2 dargestellten Ansetzstellung drücken das kürzere freie Ende 10 und das längere freie Ende 11 des Federelementes 9 auf die Standsäule 2 und die Bodenplatte 4. Dadurch wird die Bodenplatte in Ansetzposition verdreht und liegt an der Standsäule 2 an.In the attachment position shown in FIG. 2, the shorter free end 10 and the longer free end 11 of the spring element 9 press on the support column 2 and the base plate 4. As a result, the base plate is rotated in the attachment position and lies against the support column 2.

In der in Fig. 3 gezeigten Staustellung ist der Tragarm 6 weitestmöglich an die Standsäule 2 angenähert. Dadurch drückt die Standsäule auf die gerade Erstreckung 16 des längeren freien Endes 11 des Federelementes 9. Die Federkennung ist so ausgelegt, daß die die Bodenplatte 4 verschwenkende Federkraft aufgehoben wird, so daß die Bodenplatte 4 sich etwa senkrecht zur Standsäule 2 verschwenkt. Ein Mitnehmer 18, der eine Ausprägung der Bodenplatte 2 sein kann fixiert das erste Teil des längeren freien Endes 11 des Federelements 9 an der Bodenplatte 4.In the stowed position shown in Fig. 3, the support arm 6 is as close as possible to the column 2. As a result, the pedestal presses on the straight extension 16 of the longer free end 11 of the spring element 9. The spring detection is designed so that the spring force pivoting the base plate 4 is canceled, so that the base plate 4 pivots approximately perpendicular to the pedestal 2. A driver 18, which can be an expression of the base plate 2, fixes the first part of the longer free end 11 of the spring element 9 to the base plate 4.

In der Ausbildung nach Fig. 5 weist der Tragarm 6 einen Lastkopf 19 auf. Bei dieser Ausbildung schließt sich an die gerade Erstrekkung 16 des längeren freien Endes 11 des Federelements 9 ein abgewinkelter Bereich 20 an, gegen den der Lastkopf 19 in der gezeigten Staustellung drückt, um dadurch die Bodenplatte 4 zu verschwenken.

  • 1 Wagenheber
  • 2 Standsäule
  • 3 Gelenk
  • 4 Bodenplatte
  • 5 Betätigungseinrichtung
  • 6 Tragarm
  • 7 Schwenkgelenk
  • 8 Staulänge
  • 9 Federelement
  • 10 kürzeres freies Ende
  • 11 längeres freies Ende
  • 12 erster Federbereich
  • 13 Wendelteil
  • 14 zweiter Federbereich
  • 15 Halbschlaufe
  • 16 gerade Erstreckung
  • 17 Schlaufe
  • 18 Mitnehmer
  • 19 Lastkopf
  • 20 abgewinkelter Bereich
5, the support arm 6 has a load head 19. In this embodiment, the straight extension 16 of the longer free end 11 of the spring element 9 is adjoined by an angled region 20, against which the load head 19 presses in the stowed position shown, in order to thereby pivot the base plate 4.
  • 1 jack
  • 2 pedestal
  • 3 joint
  • 4 base plate
  • 5 actuating device
  • 6 support arm
  • 7 swivel joint
  • 8 stowage length
  • 9 spring element
  • 10 shorter free end
  • 11 longer free end
  • 12 first spring area
  • 13 spiral part
  • 14 second spring area
  • 15 half-loop
  • 16 straight extension
  • 17 loop
  • 18 carriers
  • 19 load head
  • 20 angled area

Claims (7)

1. Wagenheber mit einer Standsäule, an deren unteren Ende über ein Gelenk kippbeweglich eine Bodenplatte angebracht ist und einem, mittels einer Betätigungseinrichtung, schwenkbar zu dieser gelagerten Tragarm, wobei die Bodenplatte mittels eines Federelementes in eine vorbestimmte Stellung geschwenkt wird, dadurch gekennzeichnet, daß das Federelement (9) einen ersten Federbereich (12) und einen zweiten Federbereich (14) aufweist, der erste Federbereich (12) sich gegen die Standsäule (2) und die Bodenplatte (4) abstützt und der zweite Federbereich (14) sich gegen das Ende des vollständig gegenüber der Standsäule (2) zusammengefahrenen Tragarms (6) und die Bodenplatte (4) abstützt, wobei die Federwirkung des zweiten Federbereiches (14) gegenüber der Federwirkung des ersten Federbereiches (12) negativ und stärker ist.1. Jack with a pedestal, at the lower end of which a base plate is pivotally attached via a joint and a support arm, pivoted to this by means of an actuating device, the base plate being pivoted into a predetermined position by means of a spring element, characterized in that the Spring element (9) has a first spring region (12) and a second spring region (14), the first spring region (12) is supported against the pillar (2) and the base plate (4) and the second spring region (14) against the end of the support arm (6), which is completely retracted relative to the standing column (2), and supports the base plate (4), the spring action of the second spring area (14) being negative and stronger than the spring action of the first spring area (12). 2. Wagenheber nach Anspruch 1, dadurch gekennzeichnet, daß das Federelement (9) einteilig ausgebildet ist.2. Jack according to claim 1, characterized in that the spring element (9) is integrally formed. 3. Wagenheber nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß das Federelement (9) als Wendelfeder mit freien Enden (10, 11) ausgebildet ist.3. Jack according to claim 1 or claim 2, characterized in that the spring element (9) is designed as a helical spring with free ends (10, 11). 4. Wagenheber nach Anspruch 3, dadurch gekennzeichnet, daß ein freies Ende (10) der Wendelfeder an der Standsäule (2), das andere freie Ende (11) an der Bodenplatte (4) und mit einer Verlängerung am Ende des vollständig zusammengefahrenen Tragarms (6) anliegt.4. Jack according to claim 3, characterized in that a free end (10) of the helical spring on the pillar (2), the other free end (11) on the base plate (4) and with an extension at the end of the fully extended support arm ( 6) is present. 5. Wagenheber nach Anspruch 4, dadurch gekennzeichnet, daß die Verlängerung aus einer Halbschlaufe (15) und einer geraden Erstrekkung (16) gebildet ist.5. Jack according to claim 4, characterized in that the extension from a half-loop (15) and a straight extension (16) is formed. 6. Wagenheber nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß die Wendelachse des Wendelteils (13) des Federelements (9) etwa im Bereich der Achse des Gelenks (3) der Bodenplatte (4) verläuft.6. Jack according to one of claims 3 to 5, characterized in that the helical axis of the helical part (13) of the spring element (9) extends approximately in the region of the axis of the joint (3) of the base plate (4). 7. Wagenheber nach Anspruch 6, dadurch gekennzeichnet, daß das Wendelteil (13) des Federelements (9) einen als Gelenk (3) dienenden Bolzen umschließt.7. Jack according to claim 6, characterized in that the helical part (13) of the spring element (9) encloses a pin serving as a joint (3).
EP91105650A 1990-05-16 1991-04-10 Vehicle jack Expired - Lifetime EP0457021B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9005572U 1990-05-16
DE9005572U DE9005572U1 (en) 1990-05-16 1990-05-16

Publications (2)

Publication Number Publication Date
EP0457021A1 true EP0457021A1 (en) 1991-11-21
EP0457021B1 EP0457021B1 (en) 1994-06-08

Family

ID=6853854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105650A Expired - Lifetime EP0457021B1 (en) 1990-05-16 1991-04-10 Vehicle jack

Country Status (8)

Country Link
EP (1) EP0457021B1 (en)
JP (1) JPH05124796A (en)
BR (1) BR9101988A (en)
DE (2) DE9005572U1 (en)
ES (1) ES2027626T3 (en)
MX (1) MX171440B (en)
PT (1) PT8718U (en)
ZA (1) ZA913663B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0470540B1 (en) * 1990-08-10 1994-11-02 E.A. Storz Gmbh & Co. Kg Vehicle jack
WO2003037776A1 (en) * 2001-10-27 2003-05-08 Thyssenkrupp Bilstein Gmbh Lift jack comprising a support arm and method for producing said support arm

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9005572U1 (en) * 1990-05-16 1990-07-19 August Bilstein Gmbh & Co Kg, 5828 Ennepetal, De
DE9015483U1 (en) * 1990-11-12 1991-01-31 August Bilstein Gmbh & Co Kg, 5828 Ennepetal, De
US5197714A (en) * 1990-11-12 1993-03-30 August Bilstein Gmbh & Co. Kg Car lift
GB9111502D0 (en) * 1991-05-29 1991-07-17 Metallifacture Ltd Vehicle jacks
DE19804334C2 (en) * 1998-02-05 2003-05-28 Thyssen Krupp Bilstein Gmbh jack

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353480A1 (en) * 1976-06-04 1977-12-30 Bilstein August CAR JACK
WO1986006707A1 (en) * 1985-05-10 1986-11-20 August Bilstein Gmbh & Co. Kg Jack
DE3603311A1 (en) * 1986-02-04 1987-08-06 Storz E A Kg SPINDLE LIFT
DE3608003A1 (en) * 1986-03-11 1987-09-17 Storz E A Kg Vehicle jack
DE9005572U1 (en) * 1990-05-16 1990-07-19 August Bilstein Gmbh & Co Kg, 5828 Ennepetal, De

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2114537A (en) * 1982-02-01 1983-08-24 Kenneth Carter Motor vehicle jack
DE3302399A1 (en) * 1983-01-25 1984-08-02 Gerdes GmbH, 5000 Köln CAR LIFT FOR MOTOR VEHICLES

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2353480A1 (en) * 1976-06-04 1977-12-30 Bilstein August CAR JACK
WO1986006707A1 (en) * 1985-05-10 1986-11-20 August Bilstein Gmbh & Co. Kg Jack
DE3603311A1 (en) * 1986-02-04 1987-08-06 Storz E A Kg SPINDLE LIFT
DE3608003A1 (en) * 1986-03-11 1987-09-17 Storz E A Kg Vehicle jack
DE9005572U1 (en) * 1990-05-16 1990-07-19 August Bilstein Gmbh & Co Kg, 5828 Ennepetal, De

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0470540B1 (en) * 1990-08-10 1994-11-02 E.A. Storz Gmbh & Co. Kg Vehicle jack
WO2003037776A1 (en) * 2001-10-27 2003-05-08 Thyssenkrupp Bilstein Gmbh Lift jack comprising a support arm and method for producing said support arm
DE10153164A1 (en) * 2001-10-27 2003-05-15 Thyssen Krupp Bilstein Gmbh Jack with a support arm and method for manufacturing the support arm
DE10153164C2 (en) * 2001-10-27 2003-08-21 Thyssen Krupp Bilstein Gmbh Jack with a support arm and method for manufacturing the support arm

Also Published As

Publication number Publication date
BR9101988A (en) 1991-12-24
DE9005572U1 (en) 1990-07-19
PT8718T (en) 1993-09-30
ES2027626T3 (en) 1994-08-01
JPH05124796A (en) 1993-05-21
ZA913663B (en) 1992-02-26
MX171440B (en) 1993-10-26
ES2027626T1 (en) 1992-06-16
PT8718U (en) 1996-01-31
EP0457021B1 (en) 1994-06-08
DE59101829D1 (en) 1994-07-14

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