GB2123112A - Shock absorber with electrical coupling - Google Patents
Shock absorber with electrical coupling Download PDFInfo
- Publication number
- GB2123112A GB2123112A GB08307085A GB8307085A GB2123112A GB 2123112 A GB2123112 A GB 2123112A GB 08307085 A GB08307085 A GB 08307085A GB 8307085 A GB8307085 A GB 8307085A GB 2123112 A GB2123112 A GB 2123112A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston rod
- shock absorber
- connector terminal
- plug
- socket portion
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
- B60G17/08—Characteristics of fluid dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/463—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall characterised by electrical connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
In a shock absorber S for an automotive vehicle, which requires electrical power e.g. to adjust the damping force the piston rod 2 is provided with a socket portion 15 bored out at the top end thereof, to which one of a pair of male and female plug-in connector terminals 5a, 5b is fixed for easy connection of internal electrical elements housed within the piston rod to external electrical elements fixed to the car body. Additionally, if a ribbon connector is used within the piston rod for connecting the internal electrical elements to the plug-in connector terminal, it is possible to prevent disconnection or short-circuit caused by vibrations of the shock absorber. The internal electrical elements housed within the piston rod may be a working fluid temperature sensor, or a potentiometer sensing the position of an orifice adjuster. <IMAGE>
Description
SPECIFICATION
Shock absorber for an automotive vehicle
Field of the Invention
The present invention relates generally to a shock absorber used for suspension systems of an automotive vehicle to absorb vibration energy, and more specifically to a connector provided for the shock absorber to connect the inner electrical elements housed within the piston rod thereof to the outer electrical elements fixed to the car body to which the shock absorber is mounted.
Description of the Prior Art
When an automotive vehicle rattles over the rough road, the springs in the suspension systems for an automotive vehicle compresses and extends to absorb the vibration shock.
However, since the springs continue to vibrate until they return to their original states, the spring vibration reduces the road-holding ability and riding comfort of the vehicle. A shock absorber is used for restraining the spring vibration for insuring better road holding capability and better riding comfort and additionally for preventing early fatigue of the springs. To obtain better riding comfort, a shock absorber generally provides greater damping force when extended than when compressed. This force is achieved by the use of valves which change the flow of fluid filled within the shock absorber. This double-acting shock absorber, which provides damping action during both extension and compression, is in common use on today's vehicles. Further, the faster the working speed of the piston of a shock absorber, the greater the damping force or damping action of the shock absorber.If the damping force is too great, too hard a ride is obtained; if too small, too soft a ride is obtained.
In the conventional shock absorber, however, since the damping forces during both extension and compression are usually fixed by the working speed of the piston of a shock absorber, the road-holding ability, the riding comfort, or the steering-wheel manipulability vary according to vehicle speed or road harshness.
To overcome the above-mentioned problems, there has been proposed a variabledamping-force hydraulic shock absorber provided with a motor, an adjuster, etc. Part of working fluid within the upper and lower chambers is by-passed during operation through one of a plurality of orifices of various diameters selected by an orifice adjuster rotated with a motor. That is to say, since part of the amount of the working fluid through the upper and lower piston valves is diminished, a smaller damping force diminished from the conventional damping-force obtained by the working fluid through only the valves can be obtained. In tni3 case, une motor is controlled in response to a feedback signal detected by an angular position sensor attached thereto.
In such a variable-damping-force hydraulic shock absorber as described above, there is a need to connect internal electrical elements housed within the piston rod such as an orifice adjuster position sensor (e.g. potentiometer), a working fluid temperature sensor, etc. to external electrical elements fixed to the car body such as a control circuit, a power supply, etc.
However, in the prior-art variable-dampingforce shock absorber, a plurality of wires for connecting the internal electrical elements to the external electrical elements are usually disposed within a central bore formed in the piston rod (sealably and reciprocably inserted into the cylinder housing) and are taken out from the piston rod end. Further, the wills are connected to the external elements by means of a pair of male and female plug-in connector terminals.
Therefor, in mounting the shock absorber to a car body, it has been necessary to first pass the male connector terminal through a hole formed in the car body; secondly, fit the rod end to the hole; thirdly, fit a nut to the male connector terminal and then wires; fourthly, fastening the nut to fix the piston rod to the car body; and lastly, connect a pair of male and female plug-in connector terminals, thus resulting in complicated mounting steps and therefore a poor productivity in assembly lines.
Additionally, since the male plug-in connector terminal attached to the wires dangles from the piston rod end, there exists another problem in that the wires or the male plug-in connector terminal is subjected to damage in assembling, carrying or transporting the shock absorber.
Further, in the prior-art variable-dampingforce shock absorber, since the inertial mass of the wires disposed within the axial bore formed in the piston rod is relatively great, when the shock absorber vibrates during vehicle running, the wires are readily vibrated within the bore in the piston rod striking each other or are twisted into damage, thus resulting in breakage or short-circuit of the wires.
A more detailed description of the prior-art shock absorber for an automotive vehicle will be made hereinafter with reference to the attached drawing under DETAILED DESCRIP
TION OF THE PREFERRED EMBODIMENT.
SUMMARY OF THE INVENTION
With these problems in mind, therefore, it is the primary object of the present invention to provide a shock absorber for an automotive vehicle which can be readily mounted to a car body in assembly lines while eliminating an inner cable and a connector terminal dangling outward from the shock absorber in order to prevent the cable and the connector terminal from being damaged in transit.
To achieve the above-mentioned object, the shock absorber for an automotive vehicle according ta the present invention comprises a piston rod formed with a socket portion bored out at the top end thereof, to which one of a pair of male and female plug-in connector terminals is fitted.
Further, it is the other object of the present invention to provide a shock absorber for an automotive vehicle which can prevent the inner cable housed within the piston rod from being damaged into breakage or short-circuit in transit.
To achieve the above-mentioned object, the shock absorber for an automotive vehicle according to the present invention comprises a ribbon connector disposed within the piston rod in place of the inner cable, including two insulating films, a plurality of conductive films sandwiched between the two insulating films with a bonding agent disposed therebetween, a plurality of grommets connected to the conductive films at both the ends of the ribbon connector for facilitating of soldering.
BRIEF DESCRIPTION OF THE DRAWINGS
The features and advantages of the shock absorber for an automotive vehicle according to the present invention over the prior-art shock absorber will be more clearly appreciated from the following description of the preferred embodiments of the invention taken in conjunction with the accompanying drawings in which like reference numerals designate the same or similar elements and in which::
Figure 1 is a schematic cross-sectional view illustrating a prior-art shock absorber for an automotive vehicle, in which only the essential portion thereof is shown at greater magnification;
Figure 2 is a schematic cross-sectional view illustrating a first embodiment of the shock absorber according to the present invention, in which only the essential portion thereof is shown at greater magnification;
Figure 3 is a schematic cross-sectional view illustrating a second embodiment of the shock absorber according to the present invention, in which only the essential portion thereof is shown at greater magnification;
Figure 4 is an enlarged fragmentary top view of a ribbon connector used with the second embodiment of the shock absorber according to the present invention; and
Figure 5 is an enlarged fragmentary crosssectional view, taken along the line V-V in
Fig. 4, of the ribbon connector used with the second embodiment of the shock absorber according to the present invention.
DETAILED DESCRIPTION OF THE PRE
FERRED EMBODIMENT
To facilitate understanding of the present invention, a brief reference will be made to a prior-art shock absorber for an automotive vehicle, and specifically to the portions mounted to the car body and connected to the external electrical elements, with reference to the attached drawings.
In Fig. 1, a shock absorber S comprises mainly a cylindrical 1 filled with a viscous working fluid and a piston rod 2 sealably and reciprocably inserted into the cylinder at upper end of the cylinder 1. The cylinder 1 is fixed to a vehicle suspension system at its lower end; on the other hand, the piston rod 2 is fixed to a car body 7 by a nut 8 at its upper end.
An axial bore 3 is formed at the center of the piston rod 2, through which there is provided a plurality of wires or an inner cable 4 for connection of the internal electrical elements such as an orifice adjuster position sensor (potentiometer), a working fluid temperature sensor, etc. (all not shown) to the external electrical elements. The inner cable 4 taken out from the top of the piston rod 2 is connected to an outer cable 6 for connection of the internal electrical elements to the external electrical elements such as a control circuit, a power supply, etc. (all not shown) by means of a plug-in connector 5 having a pair of male connector terminal 5a and female connector terminal 5b.
In such a construction as described above, however, in mounting the shock absorber S to the car body 7, the following complicated steps are required in assembly lines: First, the inner cable 4 taken out from the piston rod 2 and the male plug connector terminal 5a are passed through a hole 7a formed at a place of the car body 7; secondly, the top end of the piston rod 2 is fitted to the hole 7a formed in the car body 7; thirdly, a nut 8 is fitted to the male plug connector terminal 5a; fourthly, the nut 8 is fastened to fix the piston rod 2 to the car body 7; lastly, the male plug-in connector terminal 5a is mated with the female plug-in connector terminal 5b.
Therefore, such assembling steps is complicated, resulting in poor productivity in the assembly line.
Additionally, since the male terminal 5a dangles from the end of the piston rod 2, there exists a danger that the male connector terminal 5a is easily damaged while the shock absorber is being carried or transported.
In view of the above description, reference is now made to a first embodiment of the shock absorber for an automotive vehicle according to the present invention, with reference to Fig. 2.
In the same way as in Fig. 1, a shock absorber S comprises mainly a cylinder 1 filled with a viscous working fluid and a
piston rod 2 sealably and reciprocably in serted into the cylinder at upper end of the cylinder 1. The cylinder 1 is fixed to a vehicle suspension system at its lower end and the piston rod 2 is fixed to a car body 7 at its upper end.
An axial bore 3 is formed at the center of the piston rod 2, through which there is provided an inner cable 4 including a plurality of wires 3a for connection of internal electrical elements such as an orifice adjuster position sensor (potentiometer) a working fluid temperature sensor, etc. (all not shown) to external electrical elements. The inner cable 4 is connected to an outer cable 6 for connection of the internal electrical elements to the external electrical elements such as a control circuit, a power supply (all not shown) by means of a plug-in connector 5 having a pair of male connector terminal 5a and female connector terminal 5b.
However, being different from the construction shown in Fig. 1, at the top of the piston rod 2, there is additionally formed a socket portion 15 bored out to house the male connector terminal 5a. Further, at a given position of the inner circumferential surface of the socket portion 1 5 of the piston rod 2, there is additionally formed a groove 15-1 in the axial direction of the piston rod 2.
The male connector terminal 5a includes a cylindrical base 5a-1 mae of an insulating material, a plurality of pins 5a-2 to which a plurality of wires 3a are connected separately, and a projection 5a-3 formed at a given position of the outer periphery of the cylindrical base 5a-1. The male connector terminal 5a is pressure-fitted or fixed by screws to the socket portion 1 5 with the projection 5a-3 of the male connector terminal 5a engaged with the groove 1 5-1 of the socket portion 1 5.
The female connector terminal 5b includes a cylindrical member 5b-1 made of a resin having a plurality of axial bores 5b-2 and a projection 5b-3 formed at a given position of the outer periphery of the cylindrical member 5b-1. The female connector terminal 5b is mated with the male connector terminal 5a with the projection 5a-3 of the female connector terminal 5b engaged with the groove 1 5-1 of the socket portion 15 and pins 5a-2 of the male connector terminal 5a inserted into the axial bores 5b-2 of the female connector terminal 5b. when the pins 5a-2 are inserted into the axial bore 5b-2, each pin 5a-2 is brought into contact with each appropriately-curved leaf spring 5b-4 to which one of a plurality of wires within an outer cable 6 is connected separately.
The case where a male connector terminal is fitted to the socket portion is described hereinabove; however, it is of course possible to fit female connector terminal to the socket portion.
Further, the reference numeral 14 denotes a protection cover attached to the female connector terminal 5b for protecting the mated portion between the male and female connector terminals 5a and 5b.
In mounting the shock absorber 5 thus constructed, the following simple assemblying steps are required in the assembly line: First, the top end of the piston rod 2 is fitted to the hole 7a formed in the car body 7; secondly, the nut 8 is fitted to the thread portion 2a of the piston rod 2 and fastened to fix the piston rod 2 to the car body 7; lastly, the female plug-in connector terminal 5b is mated with the male plug-in connector terminal 5a; the projections 5b-3 of the female plug-in connector terminal 5b is engaged with the groove 15-1 of the socket portion 15.
Therefore, the assembling steps are simple in the assembly line. Additionally, since the inner cable 4 does not dangle from the top end of the piston rod 2, there exists no danger such that the inner cable 4 or the connector terminal 5a are easily damaged when the shock absorber is being carried or transported.
As described above, in the first embodiment of the shock absorber for an automotive vehicle according to the present invention, since the shock absorber can be simply fitted to the mounting hole and fixed to the car body before mating a pair of male and female connector terminals, it is possible to facilitate the assembly work in the assembly line.
Further, since the cable and the connector terminal are completely housed within the piston rod, it is possible to securely protect these elements from damage when the shock absorber is in transit.
Fig. 3 shows a second embodiment of the shock absorber according to the present invention.
In the first embodiment shown in Fig. 2, since the inertial mass of the inner cable 4 disposed within the axial bore 3 formed in the piston rod 2 is relatively great, when the shock absorber vibrates during vehicle running, the inner cable 4 readily vibrates within the bore 3 striking the wall or the wall edge of the bore. Therefore, there exists a problem in that the inner cable 4 is easily twisted or damaged, thus resulting in breakage or shortcircuit of the wires. This problem may be settled by decreasing the diameter of the axial bore 3; however, if so, there may arise another problem in that it is relatively difficult to insert and pass the inner cable 4 into or through the axial bore 3 quickly.
In view of the above description, reference is now made to a second embodiment, with reference to Figs. 3, 4 and 5.
In Fig. 3, the other end of each pin 5a-2 projecting from one end of the male connector terminal 5a projects from the other end of the male connector terminal 5a as denoted by the reference numeral 5a-4, and the inner cable 4 is a flexible ribbon connector 4A.
The flexible ribbon connector 4A comprises a plurality of conductive films 4a sandwiched by two insulating films 4b with a bonding agent 4c disposed therebetween, as depicted in Fig. 5. At both the ends of the ribbon connector 4A, there are formed a plurality of holes 4d, to which a plurality of grommets 4e are caulked in such a way that each conductive film 4a is in contact with each grommet 4e as depicted in Figs. 4. Each grommet 4e is soldered to each projection portion 5a-4 of the pin 5a-2, at the top of the piston rod 2, with the grommet 4e fitted to the projection portion 5a-4, as depicted in Fig. 3.
Similarly, each grommet at the opposite side of the ribbon connector 4A is connected to the internal electrical elements, separately.
Further, since the ribbon connector 4A is flexible, it is rather easy to solder it to the male connector terminal projection 5a-4.
As described above, in the second embodiment of the shock absorber for an automotive vehicle according to the present invention, since the inertial mass of the ribbon connector is relatively small, while the vehicle is running, the ribbon connector is not readily vibrated within the piston rod rubbing against the wall or wall edge of the axial bore formed within the piston rod, thus it being possible to prevent damage of the ribbon connector, without resulting in disconnection or short-circuit thereof.
It will be understood by those skilled in the art that the foregoing description is in terms of preferred embodiments of the present invention wherein various changes and modifications may be made without departing from the spirit and scope of the invention, as set forth in the appended claims.
Claims (7)
1. A shock absorber for an automotive vehicle disposed between a car body and a suspension system and provided with internal electrical elements housed therewithin and connected to external electrical elements fixed on the car body, which comprises:
(a) a cylinder (1 ) filled with a viscous working fluid;
(b) a piston rod (2) sealably and reciprocably inserted into said cylinder at one end of said cylinder and fixed to the car body at the top thereof, said piston rod being formed with an axial bore at the center thereof and a socket portion bored out at the top end thereof;
(c) one plug-in connector terminal (5a) fixed to the socket portion of said piston rod;
(d) the other plug-in connector terminal (5-b) mated with said one plug-in connector terminal fixed to the socket portion;;
(e) an inner cable (4) including a plurality of wires and disposed within the axial bore of said piston rod, one end of which is connected to the internal electrical elements housed within said piston rod and the other end of which is connected to said plug-in connector terminal fixed to the socket portion of said piston rod; and
(f) an outer cable (6) including a plurality of wires and disposed outside the shock absorber, one end of which is connected to said other plug-in connector terminal mated with said one plug-in connector terminal fixed to the socket portion and the other end of which is connected to the external electrical elements fixed to the car body.
2. A shock absorber for an automotive vehicle as set forth in claim 1, wherein there is formed a groove (15-1) in the socket portion of said piston rod and in the axial direction of said piston rod, and there is formed a first projection (5a-3) at a given position of the periphery of said plug-in connector terminal fixed to the socket portion of said piston rod in such a way that the first projection can be engaged with the groove of said piston rod.
3. A shock absorber for an automotive vehicle as set forth in claim 2, wherein there is formed a second projection at a given position of the periphery of said one plug-in connector terminal mated with said other plug-in connector terminal fixed to the socket portion in such a way that the second projection can be engaged with the groove of said piston rod.
4. A shock absorber for an automotive vehicle as set forth in claim 1, wherein said inner cable disposed within said piston rod is a flexible ribbon connector (4A).
5. A shock absorber for an automotive vehicle as set forth in claim 4, wherein said flexible ribbon connector comprises:
(a) - two insulating films (4b); and
(b) a plurality of conductive films (4a) sandwiched by said insulating films with a bonding agent disposed between said two insulating films.
6. A shock absorber for an automotive vehicle as set forth in claim 5, which further comprises a plurality of grommets connected to said conductive films at both the ends for facilitating solder-connection of said ribbon connector to said one plug-in connector terminal fixed to the socket portion of said piston rod.
7. A shock absorber as claimed in claim 1 and substantially as herein described with reference to the accompanying drawings.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10234882U JPS596883U (en) | 1982-07-06 | 1982-07-06 | Automotive shock absorber |
| JP11828582A JPS598509A (en) | 1982-07-07 | 1982-07-07 | Shock absorber for automobile |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8307085D0 GB8307085D0 (en) | 1983-04-20 |
| GB2123112A true GB2123112A (en) | 1984-01-25 |
| GB2123112B GB2123112B (en) | 1986-04-09 |
Family
ID=26443054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08307085A Expired GB2123112B (en) | 1982-07-06 | 1983-03-15 | Shock absorber with electrical coupling |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3313388A1 (en) |
| FR (1) | FR2529981B1 (en) |
| GB (1) | GB2123112B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3833891A1 (en) * | 1987-10-05 | 1989-05-18 | Monroe Auto Equipment Co | SHOCK ABSORBER |
| US4875560A (en) * | 1986-09-19 | 1989-10-24 | Tokico Ltd. | Damping force adjustable hydraulic shock absorber |
| US5106307A (en) * | 1990-06-21 | 1992-04-21 | E. I. Du Pont De Nemours And Company | Connector assembly, in particular for use in an electrically adjustable shock absorber |
| DE102006059297A1 (en) * | 2006-12-15 | 2008-06-19 | Bayerische Motoren Werke Ag | vibration |
| US7422222B2 (en) | 2004-05-18 | 2008-09-09 | Dr. Ing. H.C.F. Porsche Akteingesellschaft | Transport protection for cable ends on compression struts |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4116805A1 (en) * | 1991-05-23 | 1992-11-26 | Bilstein August Gmbh Co Kg | ADJUSTABLE VIBRATION DAMPER FOR MOTOR VEHICLES |
| DE4233650C1 (en) * | 1992-10-07 | 1993-10-14 | Bilstein August Gmbh Co Kg | Automobile hydraulic shock absorber - has electrical leads for sensors or valves fitted through couplings between shock absorber and vehicle chassis or wheel mounting |
| DE102004024523B3 (en) * | 2004-05-18 | 2005-11-24 | Dr.Ing.H.C. F. Porsche Ag | Transport protection for cable ends on spring struts |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079723A (en) * | 1963-04-04 | 1967-08-16 | British Aircraft Corp Ltd | Improvements in shock absorbers |
| GB2060817A (en) * | 1977-10-28 | 1981-05-07 | Stabilus Gmbh | Gas spring acting as electrical connection piston-cylinder |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3079458A (en) * | 1959-11-09 | 1963-02-26 | Thomas & Betts Corp | Flexible tape conductors |
| US3085219A (en) * | 1960-06-02 | 1963-04-09 | Perfecting Service Company | Improved composite fluid and electrical coupling |
| US3214713A (en) * | 1961-06-30 | 1965-10-26 | Sanders Associates Inc | Flexible printed circuit cable connector |
| FR1599154A (en) * | 1968-12-04 | 1970-07-15 | ||
| US3606375A (en) * | 1970-01-23 | 1971-09-20 | Gen Motors Corp | Electric controller for vehicle leveling system |
| DE2911768C2 (en) * | 1979-03-26 | 1983-01-20 | F & O Electronic Systems GmbH & Co, 6901 Neckarsteinach | Adjustable shock absorbers, in particular for motor vehicles |
| SE427786B (en) * | 1979-05-25 | 1983-05-02 | Thomas & Betts Corp | ELECTRICAL CABLE ISOLATOR |
-
1983
- 1983-03-15 GB GB08307085A patent/GB2123112B/en not_active Expired
- 1983-04-13 DE DE19833313388 patent/DE3313388A1/en active Granted
- 1983-06-28 FR FR8310674A patent/FR2529981B1/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1079723A (en) * | 1963-04-04 | 1967-08-16 | British Aircraft Corp Ltd | Improvements in shock absorbers |
| GB2060817A (en) * | 1977-10-28 | 1981-05-07 | Stabilus Gmbh | Gas spring acting as electrical connection piston-cylinder |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4875560A (en) * | 1986-09-19 | 1989-10-24 | Tokico Ltd. | Damping force adjustable hydraulic shock absorber |
| DE3833891A1 (en) * | 1987-10-05 | 1989-05-18 | Monroe Auto Equipment Co | SHOCK ABSORBER |
| DE3833891C2 (en) * | 1987-10-05 | 1998-07-02 | Tenneco Automotive Inc | Shock absorber |
| US5106307A (en) * | 1990-06-21 | 1992-04-21 | E. I. Du Pont De Nemours And Company | Connector assembly, in particular for use in an electrically adjustable shock absorber |
| US7422222B2 (en) | 2004-05-18 | 2008-09-09 | Dr. Ing. H.C.F. Porsche Akteingesellschaft | Transport protection for cable ends on compression struts |
| DE102006059297A1 (en) * | 2006-12-15 | 2008-06-19 | Bayerische Motoren Werke Ag | vibration |
| EP1933059A3 (en) * | 2006-12-15 | 2010-01-27 | Bayerische Motoren Werke Aktiengesellschaft | Vibration absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2529981A1 (en) | 1984-01-13 |
| DE3313388A1 (en) | 1984-01-12 |
| GB2123112B (en) | 1986-04-09 |
| FR2529981B1 (en) | 1990-11-02 |
| DE3313388C2 (en) | 1990-11-15 |
| GB8307085D0 (en) | 1983-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20010315 |