EP1497220A1 - Anbindung einer schwenkbaren tragplatte - Google Patents
Anbindung einer schwenkbaren tragplatteInfo
- Publication number
- EP1497220A1 EP1497220A1 EP03720330A EP03720330A EP1497220A1 EP 1497220 A1 EP1497220 A1 EP 1497220A1 EP 03720330 A EP03720330 A EP 03720330A EP 03720330 A EP03720330 A EP 03720330A EP 1497220 A1 EP1497220 A1 EP 1497220A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support plate
- support
- spring
- jack
- vehicle
- 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.)
- Withdrawn
Links
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 the connection of a pivotable support plate to a jack according to the preamble of claim 1.
- Carrier plates on jacks which are attached at the attachment point under the floor of a vehicle to be lifted, are often pivotally connected to the corresponding support elements of the jack, transversely to the longitudinal direction of the vehicle. This ensures a clear contact of the support plate under the vehicle, regardless of the position of the jack towards the center of the vehicle and regardless of the height of the raised vehicle.
- connection of the spring is extremely complex, in particular if, in the case of basically the same jack types, different attachment points are to be provided for the support plate under the vehicle. This is particularly true when greater ground clearance is required for the same vehicle types, for example the vehicle is lowered at the factory or for off-road vehicles.
- different articulation points are to be provided on the support plate or on the support element, which increases the cost of manufacture and storage for such jacks.
- the invention has for its object to simplify the connection of a pivotable support plate to the support element of a jack, in which the starting angle of the support plate to the support element can be predetermined as desired.
- the intended angle of attachment of the support plate to the support element is determined only by the angle between the ends of the helical spring.
- the articulation points on both the support plate and the support element remain the same.
- a much simpler assembly of the spring is possible since the tangentially protruding ends of the helical spring only have to be inserted into the fastening points on the support plate or on the support element, which are preferably designed as holes, penetrations or sheet metal brackets. Such holes or penetrations can be made directly in the part, particularly when the support plate is made of plastic.
- the helical spring with its spirals can advantageously also be installed so as to wrap the bolt. With this advantageous design, an exact central fixation of the helical spring is also achieved.
- FIG. 1 shows a swivel arm jack in the folded position and in the attachment position
- FIG. 2 shows a jack according to FIG. 1 in the highest lifting position
- FIG. 3 shows the enlarged view of the lifting end of a jack according to FIG. 1
- FIG. 4 shows the front view of FIG. 3
- the swivel arm jack described below is only one type of jack. However, the invention can be used with all types of jacks, particularly when the attachment point on the vehicle moves relative to the support element of the jack from the contact angle when lifting.
- FIG. 1 and 2 show a swivel arm lifter with a support leg 1 and rotatably connected to this support arm 3 as a support element via a joint 2.
- the support arm 3 is raised relative to the supporting leg 1 via a threaded spindle 4.
- the leg 1 stands on the floor 6 with a base 5.
- a support plate 8 is arranged so as to be pivotable about a pivot axis 7 extending in the longitudinal direction of the vehicle, which is placed in a receptacle 9 arranged under the vehicle floor and lifts the vehicle.
- the support arm is shown in two positions.
- the lowest position shows the jack in the closed position as it is stowed in the vehicle.
- the upper position shows the jack in the attachment position, namely in the position with the vehicle unladen and the tire healthy. In this position, the jack must be positioned most frequently, for example when changing from summer to winter tires. This is also the position in which, as described below, the zero position of the angle between the support plate 8 and support arm 3 is defined.
- jack In Fig. 2 the jack is shown in its highest lifting position.
- the support arm 3 ends at its free end in two tabs 10, 11, which are penetrated by a bolt 12, which forms the pivot axis 7.
- the bolt 12 also penetrates tabs 13, 14 arranged on the support plate 8.
- the support plate is made as an injection molded part from a hard and high-strength plastic. It has a flat, laterally rounded head 15. This head 15 runs down into the aforementioned two tabs 13, 14, which are penetrated by the aforementioned bolt 12, so that the Support plate 8 is pivotally attached to the support arm 3.
- a free space is created between the tabs 13, 14. This free space serves to accommodate the helix 16 of the helical spring 17.
- the helix 16 loops around the bolt 12 at a certain distance so that they do not jam on the bolt 12 when the helical spring is turned together.
- the helical spring 17 ends in two ends 18, 19 which extend tangentially from the helices 16 of the helical spring 17. One of these ends 18 is inserted into a bore 20 made in the support plate 8. Therefore, the helical spring 17 is non-positively connected to the support plate 8. The other end 19 of the helical spring 17 is inserted through a tab 22 formed from the end wall 21 of the support arm 3. Thus, the coil spring is also non-positively connected to the support arm 3.
- the angle of the ends 18, 19 to one another determines the angular position of the support plate 8 with respect to the support arm 3 when the jack is not loaded. This is preferably the position of the jack under the vehicle, as described above.
- the support plate 8 As soon as the support plate 8 is loaded by the vehicle weight, it lies flat in any swiveling and lifting position of the vehicle or the support arm or the jack, under the counter surface in the receptacle 9 under the vehicle floor. This also takes place if the jack position is lower than the one previously defined, i.e. also if the tire and / or loaded vehicle are defective.
- the spring force is designed so that the coil spring is always turned on or off by the vehicle weight without generating any significant spring force. However, as soon as the jack is relieved, the spring always pivots the support plate 8 back into the originally intended attachment position.
- the solution described above has the advantage that the unloaded angular position of the support plate 8, based on the support arm 3, can be set as desired, only determined by the shape of the helical spring 17.
- the angular position can adapt to the requirements in both directions by opening or closing the helix 16 of the helical spring 17.
- the mounting of the support plate 8 on the support arm 3 is extremely simple. After inserting one end 19 of the helical spring 17 into the tab 22 of the end wall 21 of the support arm 3, the support plate 8 is inserted with its bore 20 onto the other end 18 of the helical spring 17.
- the tabs 13, 14 of the support plate 8 slide between the tabs 10, 11 of the support arm 3. Then the bolt 12 is inserted through the holes in the tabs 10, 11, 13, 14 and the coil 16 of the coil spring 17 and on the not with a head 23 provided end 24 caulked or riveted.
- the bore 25 penetrated by the bolt 12 through the tabs 13, 14 of the support plate 8 is designed as an elongated hole. It is thereby advantageously achieved that the support plate 8 can tilt relative to the support arm 3 in the vehicle longitudinal direction within limits. This has the effect that no lateral buckling forces are generated on the jack by tilting the vehicle forward or backward or by longitudinal movement of the vehicle.
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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10215644 | 2002-04-09 | ||
DE2002115644 DE10215644A1 (de) | 2002-04-09 | 2002-04-09 | Anbindung einer schwenkbaren Tragplatte |
PCT/EP2003/002584 WO2003084857A1 (de) | 2002-04-09 | 2003-03-13 | Anbindung einer schwenkbaren tragplatte |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1497220A1 true EP1497220A1 (de) | 2005-01-19 |
Family
ID=28684868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03720330A Withdrawn EP1497220A1 (de) | 2002-04-09 | 2003-03-13 | Anbindung einer schwenkbaren tragplatte |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1497220A1 (de) |
CN (1) | CN1646410A (de) |
AU (1) | AU2003223964A1 (de) |
BR (1) | BR0308969B1 (de) |
DE (1) | DE10215644A1 (de) |
MX (1) | MXPA04009876A (de) |
WO (1) | WO2003084857A1 (de) |
ZA (1) | ZA200408112B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106115537A (zh) * | 2016-08-21 | 2016-11-16 | 贵州大学 | 一种带夹紧机构的举升机支撑机构 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7414229U (de) * | 1974-07-25 | Allendorfer Fabrik Fuer Stahlverarbeitung Panne H Kg | Wagenheber | |
US2527841A (en) * | 1945-11-29 | 1950-10-31 | Auto Specialties Mfg Co | Hydraulic jack |
DE7802399U1 (de) * | 1978-01-27 | 1979-09-20 | E.A. Storz Gmbh & Co Kg, 7200 Tuttlingen | Wagenheber |
DE3040989A1 (de) * | 1980-10-31 | 1982-06-09 | E.A. Storz Gmbh & Co Kg, 7200 Tuttlingen | Wagenheber |
DE3811484A1 (de) * | 1987-05-12 | 1988-11-24 | Bilstein August Gmbh Co Kg | Wagenheber |
ES1013831Y (es) * | 1990-04-10 | 1991-06-16 | Salvador Rovira Xavier | Gato mecanico mejorado para vehiculos automoviles. |
ES1014898Y (es) * | 1990-07-30 | 1991-11-16 | Salvador Rovira Xavier | Gato mecanico perfeccionado para vehiculos automoviles. |
US5139232A (en) * | 1991-05-20 | 1992-08-18 | Signet Industries | Nonmetallic automotive jack |
US5261644A (en) * | 1992-10-08 | 1993-11-16 | Seeburn Metal Products Limited | Plastic jack |
US5386969A (en) * | 1994-05-19 | 1995-02-07 | Ventra Group Inc. | Plastic load rest for a jack |
-
2002
- 2002-04-09 DE DE2002115644 patent/DE10215644A1/de not_active Ceased
-
2003
- 2003-03-13 MX MXPA04009876A patent/MXPA04009876A/es unknown
- 2003-03-13 WO PCT/EP2003/002584 patent/WO2003084857A1/de not_active Application Discontinuation
- 2003-03-13 CN CN 03808011 patent/CN1646410A/zh active Pending
- 2003-03-13 BR BRPI0308969-0A patent/BR0308969B1/pt not_active IP Right Cessation
- 2003-03-13 EP EP03720330A patent/EP1497220A1/de not_active Withdrawn
- 2003-03-13 AU AU2003223964A patent/AU2003223964A1/en not_active Abandoned
-
2004
- 2004-10-07 ZA ZA200408112A patent/ZA200408112B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO03084857A1 * |
Also Published As
Publication number | Publication date |
---|---|
MXPA04009876A (es) | 2004-12-07 |
CN1646410A (zh) | 2005-07-27 |
ZA200408112B (en) | 2005-07-05 |
BR0308969B1 (pt) | 2013-01-22 |
WO2003084857A1 (de) | 2003-10-16 |
BR0308969A (pt) | 2005-01-11 |
AU2003223964A1 (en) | 2003-10-20 |
DE10215644A1 (de) | 2003-11-06 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20041109 |
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AX | Request for extension of the european patent |
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GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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GRAS | Grant fee paid |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20070210 |
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R18D | Application deemed to be withdrawn (corrected) |
Effective date: 20070203 |