EP0622328B1 - Vehicle jack - Google Patents

Vehicle jack Download PDF

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Publication number
EP0622328B1
EP0622328B1 EP94101772A EP94101772A EP0622328B1 EP 0622328 B1 EP0622328 B1 EP 0622328B1 EP 94101772 A EP94101772 A EP 94101772A EP 94101772 A EP94101772 A EP 94101772A EP 0622328 B1 EP0622328 B1 EP 0622328B1
Authority
EP
European Patent Office
Prior art keywords
base
support
load
jack
foot
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
EP94101772A
Other languages
German (de)
French (fr)
Other versions
EP0622328A2 (en
EP0622328A3 (en
Inventor
Peter Dipl.-Ing. Brosius
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
Krupp 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 Krupp Bilstein GmbH filed Critical Krupp Bilstein GmbH
Publication of EP0622328A2 publication Critical patent/EP0622328A2/en
Publication of EP0622328A3 publication Critical patent/EP0622328A3/en
Application granted granted Critical
Publication of EP0622328B1 publication Critical patent/EP0622328B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S254/00—Implements or apparatus for applying pushing or pulling force
    • Y10S254/01—Jack bases

Definitions

  • the invention relates to a jack with an additional support on the pillar according to the preamble of claim 1.
  • the jack must be extremely flat to the ground under the vehicle to be lifted can be scheduled. In this position, the focus of the entire jack is far from the vehicle.
  • To tip the jack in the attachment position To avoid, it is proposed in DE-A-37 12 237 for support the jack has a sheet metal tab that is bent down on the support leg to attach. This sheet metal tab is disadvantageous only with its edge on the Floor on. This means that the attachment support (sheet metal tabs) only has a small contact area has, whereby a high surface pressure occurs, which leads to a light Sinking into soft ground leads.
  • FR-A-2 273 752 teaches in FIGS. 1 to 3 that the contact area when starting the jack is slightly enlarged due to the features on the main leg can be. However, if a safe attachment position with a far back 4, it teaches in FIG. 4 that a separate support must be provided. However, this training is very material and labor-intensive. The weight of the jack also increases, which in turn causes an increase in the vehicle curb weight.
  • the invention has for its object the jack with such Support form that there is little or no increase in jack weight results and that a safe support of the jack in the fitting position is achieved.
  • An articulated jack is shown in the exemplary embodiment.
  • This jack has a main leg 1, on which a horizontal axis 2 a support arm 3 pivotally connected is. At the free end of the support arm there is a load head 4, the under the vehicle floor, preferably on the sill of the to be lifted Attacks the vehicle.
  • the support arm 3 and the supporting leg 1 are connected to each other via a threaded spindle 5, which with a movement nut 6 cooperates. Using a hand crank 7 am free end of the threaded spindle 5, this is rotated, whereby the lifting movement by swiveling the support arm 3 relative to the Mainstay 1 takes place.
  • Both the pillar 1 and the support arm 3 are made of profiled sheet metal and have one essentially U-shaped cross section.
  • a foot is arranged at the lower end of the supporting leg.
  • a Rolling foot 8 In the Training of the jack according to Fig. 1 is a Rolling foot 8.
  • Fig. 2 shows an enlarged view of the lower End of the supporting leg with the roller foot.
  • the roller foot 8 is also made of profiled sheet metal and essentially has two sections 9, 10.
  • the illustrated position of the jack according to Figures 1 and 2 is the attachment position, in who has not yet raised the vehicle. In this position section 9 rests on the substrate 11.
  • the U-shaped cross section of the pillar requires the formation of the pillar with a bottom 13 and two side flanges 14.
  • a support 15 is arranged on the side facing away from the vehicle.
  • This Support is designed as a sheet metal tab, the material for this sheet metal tab is punched out of the bottom 13 in a U-shape.
  • the sheet metal tab forming the support 15 goes seamlessly into the lower region 16 of the bottom of the supporting leg 1 over. At this There is no punching, which makes the one-piece connection the support 15 to the lower region 16 of the bottom of the Mainstay 1 is achieved.
  • the free end 17 of the support 15 is in the position of the jack as the section 9 of the Rolling foot on the surface 11.
  • the design of the jack according to FIG. 3 has one Swivel joint 18 rotatable with the lower end of the support leg 1 connected swivel foot 19.
  • the swivel foot 19 thus always with the full area on the substrate 11 lie on.
  • it can be prove sensible on the side of the foot facing away from the vehicle to arrange a support 15 which the jack during the attachment additionally supported on the surface 11. Training this support 15 and the connection to the main leg corresponds the previously described.
  • this has a similar design like the pillar 1 partially a profiled in cross section Shape up. In the illustrated embodiment, there are increases the stability of the support 15 provided laterally flanges 20.

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)
  • Passenger Equipment (AREA)
  • Mechanical Control Devices (AREA)

Description

Die Erfindung betrifft einen Wagenheber mit einer zusätzlichen Stütze am Standbein nach dem Oberbegriff des Anspruchs 1. Insbesondere bei Wagenhebern, deren Standbein mit einem unbeweglich mit diesem verbundenen Wälzfuß versehen ist, muß der Wagenheber äußerst flach zum Boden unter dem anzuhebenden Fahrzeug angesetzt werden. In dieser Position liegt der Schwerpunkt des gesamten Wagenhebers weit entfernt vom Fahrzeug. Um ein Abkippen des Wagenhebers in der Ansetzposition zu vermeiden, wird in der DE-A-37 12 237 vorgeschlagen, zum Abstützen des Wagenhebers einen nach unten gebogenen Blechlappen am Standbein anzubringen. Dieser Blechlappen liegt nachteilig lediglich mit seiner Kante auf dem Boden auf. Das bedingt, daß die Ansetzstütze (Blechlappen) nur eine geringe Auflagefläche aufweist, wodurch eine hohe Flächenpressung auftritt, die zu einem leichten Einsinken in weichem Boden führt.The invention relates to a jack with an additional support on the pillar according to the preamble of claim 1. In particular for jacks whose Supporting leg is provided with a rolling foot immovably connected to this, the jack must be extremely flat to the ground under the vehicle to be lifted can be scheduled. In this position, the focus of the entire jack is far from the vehicle. To tip the jack in the attachment position To avoid, it is proposed in DE-A-37 12 237 for support the jack has a sheet metal tab that is bent down on the support leg to attach. This sheet metal tab is disadvantageous only with its edge on the Floor on. This means that the attachment support (sheet metal tabs) only has a small contact area has, whereby a high surface pressure occurs, which leads to a light Sinking into soft ground leads.

Die FR-A-2 273 752 lehrt in den Figuren 1 bis 3, daß die Aufstandsfläche beim Ansetzen des Wagenhebers durch Ausprägungen am Standbein geringfügig vergrößert werden kann. Wenn jedoch eine sichere Ansetzposition mit einem weit hinten liegenden Aufsetzpunkt verlangt wird, so lehrt sie in Figur 4, daß hierzu eine separate Stütze vorgesehen werden muß. Diese Ausbildung ist jedoch sehr material-und arbeitsaufwendig. Weiterhin erhöht sich auch das Gewicht des Wagenhebers, was wiederum nachteilig eine Erhöhung des Fahrzeugleergewichts bewirkt.FR-A-2 273 752 teaches in FIGS. 1 to 3 that the contact area when starting the jack is slightly enlarged due to the features on the main leg can be. However, if a safe attachment position with a far back 4, it teaches in FIG. 4 that a separate support must be provided. However, this training is very material and labor-intensive. The weight of the jack also increases, which in turn causes an increase in the vehicle curb weight.

Der Erfindung liegt die Aufgabe zugrunde, den Wagenheber derartig mit einer Stütze auszubilden, daß sich keine oder nur eine geringe Erhöhung des Wagenhebergewichts ergibt und daß eine sichere Abstützung des Wagenhebers in Ansetzposition erreicht wird.The invention has for its object the jack with such Support form that there is little or no increase in jack weight results and that a safe support of the jack in the fitting position is achieved.

Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Dabei hat sich als besonders vorteilhaft herausgestellt, daß auch die Herstellung des Wagenhebers sich wesentlich vereinfacht, da kein zusätzliches Bauteil als Stütze an das Standbein angebracht werden muß. Eine bevorzugte Aus- und Weiterbildung ist in Anspruch 2 beschrieben. This object is achieved by the characterizing features of claim 1. It has been found to be particularly advantageous that the production the jack is significantly simplified since no additional component as Support must be attached to the leg. A preferred education and training is described in claim 2.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend näher beschrieben. Es zeigen:

Fig. 1
die Ansicht eines Wagenhebers mit Wälzfuß,
Fig. 2
die vergrößerte Darstellung des Fußbereichs,
Fig. 3
die Ausbildung eines Wagenhebers mit einem schwenkbaren Fuß und
Fig. 4
die alternative Ausbildung der Stütze.
An embodiment of the invention is described in more detail below. Show it:
Fig. 1
the view of a jack with roller foot,
Fig. 2
the enlarged representation of the foot area,
Fig. 3
the formation of a jack with a swiveling foot and
Fig. 4
the alternative form of support.

Im Ausführungsbeispiel ist ein Gelenkwagenheber dargestellt. Dieser Wagenheber weist ein Standbein 1 auf, an dem über eine horizontale Achse 2 ein Tragarm 3 schwenkbeweglich angebunden ist. Am freien Ende des Tragarms befindet sich ein Lastkopf 4, der unter dem Fahrzeugboden, vorzugsweise am Schweller des anzuhebenden Fahrzeuges angreift. Der Tragarm 3 und das Standbein 1 sind über eine Gewindespindel 5 miteinander verbunden, die mit einer Bewegungsmutter 6 zusammenwirkt. Über eine Handkurbel 7 am freien Ende der Gewindespindel 5 wird diese verdreht, wodurch die Hubbewegung durch Hochschwenken des Tragarms 3 gegenüber dem Standbein 1 erfolgt. Sowohl das Standbein 1 als auch der Tragarm 3 sind aus profilierten Blechen hergestellt und weisen einen im wesentlichen U-förmigen Querschnitt auf.An articulated jack is shown in the exemplary embodiment. This jack has a main leg 1, on which a horizontal axis 2 a support arm 3 pivotally connected is. At the free end of the support arm there is a load head 4, the under the vehicle floor, preferably on the sill of the to be lifted Attacks the vehicle. The support arm 3 and the supporting leg 1 are connected to each other via a threaded spindle 5, which with a movement nut 6 cooperates. Using a hand crank 7 am free end of the threaded spindle 5, this is rotated, whereby the lifting movement by swiveling the support arm 3 relative to the Mainstay 1 takes place. Both the pillar 1 and the support arm 3 are made of profiled sheet metal and have one essentially U-shaped cross section.

Am unteren Ende des Standbeins ist ein Fuß angeordnet. Bei der Ausbildung des Wagenhebers nach Fig. 1 handelt es sich um einen Wälzfuß 8. Fig 2 zeigt eine vergrößerte Darstellung des unteren Endes des Standbeins mit dem Wälzfuß. Der Wälzfuß 8 ist ebenfalls aus profiliertem Blech hergestellt und besitzt im wesentlichen zwei Abschnitte 9, 10. Die dargestellte Position des Wagenhebers nach den Figuren 1 und 2 ist die Ansetzposition, in der das Fahrzeug noch nicht angehoben ist. In dieser Position liegt der Abschnitt 9 auf dem Untergrund 11 auf. Beim Anheben des Fahrzeuges richtet sich das Standbein 1 auf und wälzt über die Wälzkante 12 nach der Zeichnung linksdrehend, bis in der höchsten Hebeposition des Wagenhebers der Abschnitt 10 auf dem Untergrund 11 aufliegt. Der U-förmige Querschnitt des Standbeins bedingt die Ausbildung des Standbeins mit einem Boden 13 und zwei Seitenflanschen 14. Anschließend an den Wälzfuß 8 ist auf der fahrzeugabgewandten Seite eine Stütze 15 angeordnet. Diese Stütze ist als Blechlappen ausgebildet, wobei das Material für diesen Blechlappen U-förmig aus dem Boden 13 ausgestanzt ist. Der die Stütze 15 bildende Blechlappen geht übergangslos in den unteren Bereich 16 des Bodens des Standbeins 1 über. An dieser Stelle ist keine Stanzung erfolgt, wodurch die einteilige Anbindung der Stütze 15 an den unteren Bereich 16 des Bodens des Standbeins 1 erzielt wird. Das freie Ende 17 der Stütze 15 steht in der Ansetzposition des Wagenhebers wie der Abschnitt 9 des Wälzfußes auf dem Untergrund 11 auf.A foot is arranged at the lower end of the supporting leg. In the Training of the jack according to Fig. 1 is a Rolling foot 8. Fig. 2 shows an enlarged view of the lower End of the supporting leg with the roller foot. The roller foot 8 is also made of profiled sheet metal and essentially has two sections 9, 10. The illustrated position of the jack according to Figures 1 and 2 is the attachment position, in who has not yet raised the vehicle. In this position section 9 rests on the substrate 11. When lifting of the vehicle stands 1 and rolls on the rolling edge 12 counterclockwise according to the drawing until in the highest lifting position of the jack of section 10 on the Surface 11 rests. The U-shaped cross section of the pillar requires the formation of the pillar with a bottom 13 and two side flanges 14. Next to the roller base 8 is on a support 15 is arranged on the side facing away from the vehicle. This Support is designed as a sheet metal tab, the material for this sheet metal tab is punched out of the bottom 13 in a U-shape. The sheet metal tab forming the support 15 goes seamlessly into the lower region 16 of the bottom of the supporting leg 1 over. At this There is no punching, which makes the one-piece connection the support 15 to the lower region 16 of the bottom of the Mainstay 1 is achieved. The free end 17 of the support 15 is in the position of the jack as the section 9 of the Rolling foot on the surface 11.

Die Ausbildung des Wagenhebers nach Fig. 3 weist einen über ein Schwenkgelenk 18 drehbeweglich mit dem unteren Ende des Standbeins 1 verbundenen Schwenkfuß 19 auf. Beim Anheben des Fahrzeugs und damit Aufrichten des Standbeins 1 bleibt der Schwenkfuß 19 somit stets mit der vollen Fläche auf dem Untergrund 11 aufliegen. Auch bei einem derartigen Wagenheber kann es sich als sinnvoll erweisen, auf der fahrzeugabgewandten Seite des Fußes eine Stütze 15 anzuordnen, die den Wagenheber während des Ansetzens zusätzlich auf dem Untergrund 11 abstützt. Die Ausbildung dieser Stütze 15 und die Anbindung an das Standbein entspricht der vorher beschriebenen.The design of the jack according to FIG. 3 has one Swivel joint 18 rotatable with the lower end of the support leg 1 connected swivel foot 19. When lifting the vehicle and thus erecting the main leg 1 remains the swivel foot 19 thus always with the full area on the substrate 11 lie on. Even with such a jack, it can be prove sensible on the side of the foot facing away from the vehicle to arrange a support 15 which the jack during the attachment additionally supported on the surface 11. Training this support 15 and the connection to the main leg corresponds the previously described.

Bei der Ausbildung der Stütze 15 nach Fig. 4 weist diese ähnlich wie das Standbein 1 teilweise eine im Querschnitt profilierte Form auf. In der dargestellten Ausführungsform sind zur Erhöhung der Stabilität der Stütze 15 seitlich Flansche 20 vorgesehen. 4, this has a similar design like the pillar 1 partially a profiled in cross section Shape up. In the illustrated embodiment, there are increases the stability of the support 15 provided laterally flanges 20.

BezugszeichenlisteReference list

11
StandbeinMainstay
22nd
Achseaxis
33rd
TragarmBeam
44th
LastkopfLoad head
55
GewindespindelThreaded spindle
66
BewegungsmutterMotion nut
77
HandkurbelHand crank
88th
WälzfußRoller foot
99
Abschnittsection
1010th
Abschnittsection
1111
UntergrundUnderground
1212th
WälzkanteRolling edge
1313
Bodenground
1414
SeitenflanschSide flange
1515
Stützesupport
1616
unterer Bereichlower area
1717th
freies Endefree end
1818th
SchwenkgelenkSwivel joint
1919th
SchwenkfußSwivel base
2020th
Flanschflange

Claims (2)

  1. A vehicle jack comprising a support leg (1) having a base foot (8, 19) and a U-shaped cross-section, a load-bearing arm (3) which is connected thereto such as to pivot about a horizontal axle (2) and which load bearing arm comprises at its free end a load-bearing head (4) which engages the base of the motor vehicle and which load-bearing arm can be pivotably adjusted by an adjusting member, in particular a threaded spindle (5) which is actuated by hand and is movably connected to the said load-bearing arm and at the support leg (1) directly or by way of further levers and articulations, and comprising a sheet metal tab formed out of the base (13) of the support leg (1) as a support (15), which when in position of application at the side remote from the motor vehicle is supported on the ground (11) behind the base foot (8, 19), characterised in that the sheet metal tab is stamped out on three sides of the base (13) or out of the base (13)and the adjacent areas of the side flange (14) and remains connected with one side adjacent to the base foot (8, 19) with the support leg (1) and lies with its end remote from the base foot (8, 19) flat on the ground (11).
  2. A vehicle jack according to claim 1 or claim 2, characterised in that the support (15) comprises a profiled cross-section.
EP94101772A 1993-04-30 1994-02-07 Vehicle jack Expired - Lifetime EP0622328B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4314136A DE4314136C2 (en) 1993-04-30 1993-04-30 Jack
DE4314136 1993-04-30

Publications (3)

Publication Number Publication Date
EP0622328A2 EP0622328A2 (en) 1994-11-02
EP0622328A3 EP0622328A3 (en) 1994-12-28
EP0622328B1 true EP0622328B1 (en) 1998-09-30

Family

ID=6486738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94101772A Expired - Lifetime EP0622328B1 (en) 1993-04-30 1994-02-07 Vehicle jack

Country Status (6)

Country Link
US (1) US5435522A (en)
EP (1) EP0622328B1 (en)
JP (1) JP2510843B2 (en)
CZ (1) CZ285358B6 (en)
DE (2) DE4314136C2 (en)
ES (1) ES2063733T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000302383A (en) * 1999-04-15 2000-10-31 Riken Kaki Kogyo Kk Pantograph type jack and manufacture of the same
DE10036049B4 (en) * 2000-07-25 2006-09-07 Thyssenkrupp Bilstein Gmbh jack
RU202621U1 (en) * 2020-10-15 2021-03-01 Общество с ограниченной ответственностью "МОБИЛ К" (ООО "МОБИЛ К") Jack for walk-behind tractor

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7514860U (en) * 1975-09-18 Fa. August Bilstein, 5828 Ennepetal Jack
AT358769B (en) * 1974-06-07 1980-09-25 Bilstein August Fa CAR LIFT
DE2625085A1 (en) * 1976-06-04 1977-12-08 Bilstein August Fa JACK
JPS5547837U (en) * 1978-09-22 1980-03-28
EP0221911B1 (en) * 1985-05-10 1989-08-09 August Bilstein GmbH & Co. KG Jack
DE3603311A1 (en) * 1986-02-04 1987-08-06 Storz E A Kg SPINDLE LIFT
JPH0325874Y2 (en) * 1986-09-04 1991-06-05
JPH0332525Y2 (en) * 1986-09-11 1991-07-10
DE3642972C2 (en) * 1986-12-17 1995-08-03 Storz E A Kg Jack
DE3712237A1 (en) * 1987-04-10 1988-10-27 Audi Ag Automobile jack
JPH0213430U (en) * 1988-07-12 1990-01-26
GB8909918D0 (en) * 1989-04-29 1989-06-14 Metallifacture Ltd Vehicle jack
DE3921826C1 (en) * 1989-07-03 1990-09-06 August Bilstein Gmbh & Co Kg, 5828 Ennepetal, De
DE9015832U1 (en) * 1990-11-20 1991-02-07 August Bilstein Gmbh & Co Kg, 5828 Ennepetal, De
US5161782A (en) * 1991-12-20 1992-11-10 You Jin Industrial Co., Ltd. Mechanical jack

Also Published As

Publication number Publication date
ES2063733T3 (en) 1998-12-01
ES2063733T1 (en) 1995-01-16
CZ285358B6 (en) 1999-07-14
JPH06329394A (en) 1994-11-29
DE4314136C2 (en) 1995-05-24
US5435522A (en) 1995-07-25
EP0622328A2 (en) 1994-11-02
DE4314136A1 (en) 1994-11-03
CZ104694A3 (en) 1994-11-16
DE59406990D1 (en) 1998-11-05
EP0622328A3 (en) 1994-12-28
JP2510843B2 (en) 1996-06-26

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