• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A rod (100) for suspending a safety net (10) or similar in a cargo space of a motor vehicle is provided. The rod (100) comprises a longitudinal body. (110) being formed by positioning an axial end portion (302) of an insertion shaft. (300) into a receiving shaft (200), wherein the insertion shaft (300) and the receiving shaft (200) are connected via a flexible member (230). A connection joint (222, 234) between the flexible member (230) and one of the shafts (200, 300) allows for a limited axial movement of the flexible member (230) relative said shaft (200, 300).To be published with Fig. 2
    公开号:SE1650090A1
    申请号:SE1650090
    申请日:2016-01-26
    公开日:2017-07-27
    发明作者:Ylikangas Roger；Hult Per；Winberg Robin
    申请人:Klippan Safety Ab；
    IPC主号:
    专利说明:

    A ROD FOR SUSPENDING A SAFETY NET OR SIMILAR IN A MOTORVEHICLE Technical FieldThe present invention relates to a rod used for suspending a safety net or similar in a cargo space of a motor vehicle.
    Background Safety nets are commonly used in motor vehicles for preventing objectsfrom moving or being dislodged e.g. when the driver initiates a sudden brakingor during a collision. The safety net is for this reason normally arranged betweenthe front portion of the vehicle, i.e. the passenger compartment, and the rearportion ofthe vehicle, i.e. the cargo compartment. When mounted properly thesafety net will absorb the kinetic energy of moving objects and the net willprevent those objects to enter the passenger compartment.
    A shaft may be used to suspend the safety net in a secure position. Theshaft may e.g. extend across the compartment area by connecting each end of theshaft to mating connectors at each sidewall or at opposite lateral sides of theceiling of the vehicle.
    For stowing it is desired to reduce the length of the shaft. One exampleof a solution allowing length reduction of a safety net shaft is described inDEl02007052228Al, where the shaft is formed by two half-shafts, connected viaa pivoting mechanism. By pushing the two half-shafts towards each other thepivoting mechanism will allow for a pivoting motion between the two half-shafts,thus allowing folding the shaft.
    However, the solution according to the above-mentioned prior art suffersfrom a number of drawbacks. One particular disadvantage is that the pivotingmechanism is arranged on the exterior side of the shaft. The safety net can thusnot be winded onto the shaft as the pivoting mechanism provides a radial, as wellas axial, obstacle for the safety net.
    Summary An object of the present invention is therefore to provide an improvedrod for suspending a safety net in a cargo space of a motor vehicle. In particularan object of the present invention is to provide a rod which allows for a simplified handling and maneuvering.
    In view of this, a rod for suspending a safety net or similar in a cargospace of a motor vehicle is provided. The rod comprises a longitudinal bodybeing formed by positioning an axial end portion of an insertion shaft into areceiving shaft, wherein the insertion shaft and the receiving shaft are connectedvia a flexible member, and wherein a connection joint between the flexiblemember and one of the shafts allows for a limited axial movement of the flexiblemember relative said shaft.
    The flexible member may be a wire or a cable.
    The connection joint may be formed by a loop of the flexible memberarranged around a pin of the receiving shaft.
    In an embodiment, the length of the receiving shaft is essentially equal tothe length of the insertion shaft.
    The receiving shaft may comprise a sleeve member being securelyattached to an outer member, and the flexible member may be connected to theouter member.
    The rod may further comprise a compression spring being arrangedinside the sleeve member. ln an embodiment, the first end of the spring is connected to a firstsliding carriage, and an opposite end of the spring is connected to a secondsliding carriage.
    The second carriage may be allowed to slide axially within the sleevemember between the first carriage and an axial stop.
    The axial stop for the second carriage may be defined by the axial endportion of the outer member.
    The first carriage may be allowed to slide axially within the sleevemember between the second carriage and an axial stop.
    The axial stop for the first carriage may be defined by the axial endportion of bushing arranged at the axial end portion of the sleeve member.
    Brief Description of Drawings Embodiments of the present invention will be described in the following,reference being made to the appended drawings, wherein, Fig. l is an isometric view of a safety net used with a rod according to anembodiment; Fig. 2 is a side view of a rod according to an embodiment; Fig. 3a is a cross sectional view of parts of a rod according to an embodiment, in which the rod is in an operational state; Fig. 3b is a cross-sectional view of the parts of the rod shown in Fig. 3a,wherein the rod is in an extended state; Fig. 4a is a cross sectional view of parts of a rod according to anembodiment, in which the rod is in an operational state; Fig. 4b is a cross-sectional view of the parts of the rod shown in Fig. 4a,wherein the rod is in an extended state; Fig. 4c is a cross-sectional view of parts of a rod according to theembodiment shown in Figs. 4a-b, wherein the rod is in a folded state; Fig. 5a is an isometric end view of an insertion shaft of a rod accordingto an embodiment; and Fig. 5b is an isometric end view of a sleeve member of a rod according toan embodiment.
    Detailed Description Starting in Fig. 1 a safety net 10 is shown. The safety net 10 extends outfrom a channel 12, in which the safety net 10 may be winded when not in use.The channel 12 surrounds a rod 100 being used for suspending the safety net 10.Belts l4a, 14b may be provided at the edge of the safety net 10 for attaching thesafety net 10 at the lower portion or rear portion of the passenger or cargocompartment of a motor vehicle, and for securing the extended position of thesafety net 10. The belts l4a, 14b may have hooks 16 or similar at its ends. Thespecific configuration of the safety net 10 shown in Fig. 1 may e.g. be installedby connecting the rod 100 to the upper part of the passenger compartment,immediately behind the driver seat, while the hooks 16 of the belts l4a, 14b aresecured at the floor level such that the safety net 10 has a vertical extension.
    The channel 12 may be driven by means of a spring (not shown) forautomatically winding the safety net 10.
    In another embodiment, described only to show the different applicationsavailable for the rod 100, the safety net 10 is securely attached to a wind-upshaft, or cartridge being arranged along a rear seat back rest. The outer edge ofthe safety net 10, i.e. the same edge as the edge having the belts l4a, 14battached to it in Fig. 1, is instead provided with the rod 100 extending along theentire outer edge. The safety net 10 could in this particular embodiment be usedfor forming a vertical barrier between a passenger compartment and a cargospace of a motor vehicle.
    Now turning to Fig. 2 the rod 100 is shown. The rod 100 comprises alongitudinal body 110 having opposite ends being provided with connectors ll2a, ll2b. Each connector 112a, l12b is formed as a shaft 114 being angled relativethe longitudinal body 110. The free end of each connector shaft 114 is providedWith a mushroom-shaped head 116 to fit in receiving pockets (not shown)provided in the side wall or ceiling of the motor vehicle. It should be noted thatthe connectors l12a, 112b could be replaced by other suitable connectors orattachment members, as long as they allow the rod 100 to be attached to theinterior of the motor vehicle.
    The longitudinal body 110 is formed by two members; a receiving shaft200 and an insertion shaft 300. As will be further described with reference toFigs. 3a and 3b, the insertion shaft 300 is allowed to moved in and out from thereceiving shaft 200 for manually maneuver the rod 100 between an operatingstate, indicated in Fig. 2, and an extended state in which the insertion shaft 300may be folded relative the receiving shaft 200.
    When folding the rod 100, e.g. when the rod 100 should be stowed, it isdesirable that total length of the rod 100 is reduced to its minimum. Therefore theaxial lengths of the insertion shaft 300 and the receiving shaft 200 are essentiallyequal. However, as the end of the insertion shaft 300 is inserted into the receivingshaft 200 during use (or when the rod 100 is in the operating state), the interfaceIF between the insertion shaft 300 and the receiving shaft 200 may be locatedslightly off center in an axial direction of the rod 100.
    The outer cross-sectional dimensions of the insertion shaft 300 should fitwith the inner cross-sectional dimensions of the receiving shaft 200. Circularcross-sections may be preferred; however other cross-sectionals may also beenvisaged such as rectangular, polygonal, elliptical, etc.
    As can be seen in Fig. 2 the receiving shaft 200 has a central member210 having slightly larger outer dimensions compared to an outer member 220.The central portion 210 forms a sleeve member surrounding a lateral end portionof the outer member 220.
    Now turning to Figs. 3a and 3b details of the engagement between theinsertion shaft 300 and the receiving shaft 200 will be described. ln Fig. 3a the rod 100 is shown in an operating mode, i.e. when theinsertion shaft 300 is received within the sleeve member 210 of the receivingshaft 200. As can be seen in Fig. 3a the insertion shaft 300 is connected to theouter member 220 of the receiving shaft 200. The connection is in thisembodiment realized by a flexible member 230, such as a wire or cable 23 0, alinkage arm or similar. Flexible should in this context be interpreted as including all members allowing for a change in shape, however any axial deformation should be limited. The wire 230 is at one end 232 secured to the outer member220 of the receiving shaft 200 in such manner that the wire 230 is allowed tomove axially away from the outer member 220. For example, as is shown in Fig.3a the connection of the wire 230 at the outer member 220 is achieved by meansof a wire loop 234 arranged around a pin 222 positioned inside the outer member220. The opposite end of the wire 230 is fixated at the insertion shaft 300,preferably without allowing for any relative movement between the end of thewire 230 and the insertion shaft 300. The connection joint between the flexiblemember 230 and the receiving shaft 200, formed by the loop 234 and the pin 222,allows for a limited axial movement of the flexible member 230 relative the shaft200.
    The central member 210 of the receiving shaft 200 is securely attached tothe outer member 220, e.g. by means of the pin 222. Hence, there will not be anyrelative movement between these parts 210, 220 during folding or unfolding ofthe rod 100.
    The movement of the insertion shaft 300 is guided by means of twosliding carriages 240, 242. The carriages 240, 242 are located in a hollow space212 inside the central member 210 and they are configured to slide axially withinthat space 212. Each carriage 240, 242 has a lead-through for allowing the wire230 to pass through the carriages 240, 242. Further to this, the carriages 240, 242are connected by means of a spring 250. The axial movement of the carriages240, 242 is limited by two opposite bushings 260, 262. The first bushing 260 isprovided at the open end of the central member 210 receiving the insertion shaft300, and has an axial extension inside the central member 210. The axial endportion 261 of the first bushing 260 has a certain radial thickness, such that thecarriage 240 can not pass the axial end portion 261. Hence, once the carriage 240comes into contact with the axial end portion 261 of the first bushing 260 it willbe prevented from further axial movement.
    The second bushing 262 is located at the opposite end of the centralmember 210, and ensures a tight fit between the central member 210 and theouter member 220 of the receiving shaft 200. The axial movement of the secondcarriage 242 will be limited mainly by the end portion of the outer member 220;however the axial extension of the second bushing 262 could be made similar tothe axial end portion of the first bushing 240 for forming an axial stop for thecarriage 242 in an analogue manner.
    When a user is about to fold the rod 100, i.e. to change the configurationofthe rod 100 from an operating state to a folded state, he pulls the insertion shaft 300 axially outwards, i.e. away from the receiving shaft 200. Upon this thewire 230 will transfer the pulling force to the carriage 242 which will begin toslide to the left in Fig. 3a. At the same time, the spring 250 will urge the firstcarriage 240 to also move to the left in Fig. 3a until it comes into contact withthe bushing 260. Upon this the pulling force will cause a further movement of thesecond carriage 242 until the loop 234 of the wire 230 engages with the pin 222.During this movement the spring 250 will be further compressed. As the wire 230is not deformable or stretchable, the size of the loop 234 will define themaximum axial movement of the insertion shaft 300. The end position of theinsertion shaft 300 is shown in Fig. 3b, illustrating an extended state of the rod100.
    As the wire 230 is flexible (although not deformable in its longitudinaldirection) the insertion shaft 300 may be easily folded downwards for facilitatinghandling and reducing the total length of the rod 100.
    When a user is to arrange the rod 100 in the operating state the insertionshaft 300 is put in the extended state as is indicated in Fig. 3b. When a userpushes the insertion shaft 300 towards the receiving shaft 200 the spring 250 willurge the carriage 242 in the same direction unit the carriage 242 is preventedfrom further axial movement. The loop 234 of the wire 230 moves accordingly.The insertion shaft 300 will push the first carriage 240 inwards until the desiredlength of the rod 100 is achieved. This will also cause a compression of thespring 250 which is beneficial since such compression force ensures a biasingoutwards of the insertion shaft 300.
    Hence, the total length of the rod 100 may be very easily adjusted bysimply pushing the insertion shaft 300 into the receiving shaft 200 to the desiredextent.
    A further embodiment of a rod 100 is shown in Figs. 4a-c. The rod 100 ofFigs. 4a-c shares most features and constructional details with the rod 100 shownin Fig. 3a-b, but differs from the previous embodiment in the configuration of thereceiving shaft 200. As can be seen in Fig. 4a, the receiving shaft 200 is nolonger formed by the connection of a central member 210 and an outer member220. Instead, the entire receiving shaft 200 is formed by a hollow sleeve memberindicated by reference numeral 210. Also, the configuration of the flexiblemember 230 is different in this particular embodiment. Instead of a wire, theflexible member 230 is in this embodiment formed by a linkage arm. The linkagearm 230 comprises a first linkage 232 being attached to the edge of the insertionshaft 300 by means of a pivotjoint 234. Hence, the first linkage 232 is allowed to pivot relative the insertion shaft 300. A second linkage 236 is connected to thefirst linkage 232 via a second pivot joint 238. Consequently, the second linkage236 is allowed to pivot relative the first linkage 232. Preferably, the pivot motionof the first and second linkages 232, 236 is limited to a single plane, beingcommon for both pivoting motions.
    As can be seen in Fig. 4c the insertion shaft 300 can, when pulled outfrom the receiving shaft 200, be folded by 180° in order to significantly reducethe length of the entire rod 100. This folding is accomplished due to theprovision of the flexible member 230, here represented by the pivotable linakgearm.
    Again referring to Fig. 2 it is important to prevent rotation of theinsertion shaft 300 relative the receiving shaft 200 in order to ensure the correctposition of the two connectors 112a, l12b. In Fig. 5a and 5b the axial endportions of the insertion shaft 300 and the receiving shaft 200 are shown. The endportion 302 of the insertion shaft 300 has a guiding structure 304 which fits witha mating guiding structure 214 of the axial end portion 216 of the sleeve member210 of the receiving shaft 200. The guiding structure 304 is shown as a radialprotrusion, while the mating guiding structure 214 is shown as a radial recess inthe bushing 260. Preferably the guiding structure 214 of the sleeve member 210is continued by means of a corresponding guiding structure 241 in the carriage240. The use of guiding structures 302, 214, 241 ensures that the insertion shaft300 is always angular aligned with the receiving shaft 200.
    It should be appreciated that even though numerous Characteristics andadvantages ofthe present invention have been set forth in the foregoingdescription, together with details ofthe structure and function of the invention,the description is only illustrative and changes may be made in detail, especiallyin matters of shape, size and arrangement of parts within the scope of theinvention to the full extent indicated by the appended claims.
    权利要求:
    Claims (11)
    [1] 1. A rod (100) for suspending a safety net (10) or similar in a cargo spaceof a motor vehicle, said rod (100) comprising a longitudinal body (110) beingformed by positioning an axial end portion (302) of an insertion shaft (300) into areceiving shaft (200), wherein the insertion shaft (300) and the receiving shaft(200) are connected via a flexible member (230), and wherein a connection joint(222, 234) between the flexible member (230) and one of the shafts (200, 300)allows for a limited axial movement of the flexible member (230) relative saidshaft (200, 300).
    [2] 2. The rod (100) according to claim 1, wherein the flexible member (230) is a wire or a cable.
    [3] 3. The rod (100) according to claim 1 or 2, wherein the connectionjoint(222, 234) is formed by a loop (234) of the flexible member (230) arrangedaround a pin (222) of the receiving shaft (200).
    [4] 4. The rod (100) according to any one of the preceding claims, whereinthe length of the receiving shaft (200) is essentially equal to the length of theinsertion shaft (300).
    [5] 5. The rod (100) according to any one of the preceding claims, whereinthe receiving shaft (200) comprises a sleeve member (210) being securelyattached to an outer member (220), and wherein the flexible member (230) isconnected to the outer member (220).
    [6] 6. The rod (100) according to claim 5, further comprising a compressionspring (250) being arranged inside the sleeve member (210).
    [7] 7. The rod (100) according to claim 6, Wherein a first end of the spring(250) is connected to a first sliding carriage (240), and an opposite end of thespring (250) is connected to a second sliding carriage (242).
    [8] 8. The rod (100) according to claim 7, wherein the second carriage (242)is allowed to slide axially within the sleeve member (210) between the firstcarriage (240) and an axial stop.
    [9] 9. The rod (100) according to claim 8, Wherein the axial stop for thesecond carriage (242) is defined by the axial end portion of the outer member(220).
    [10] 10. The rod (100) according to any one of claims 7-9, Wherein the firstcarriage (240) is allowed to slide axially Within the sleeve member (210) betweenthe second carriage (242) and an axial stop.
    [11] 11. The rod (100) according to claim 10, Wherein the axial stop for thefirst carriage (240) is defined by the axial end portion of bushing (260) arrangedat the axial end portion of the sleeve member (210).
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    同族专利:
    公开号 | 公开日
    SE542166C2|2020-03-03|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1650090A|SE542166C2|2016-01-26|2016-01-26|A rod for suspending a safety net or similar in a motor vehicle|SE1650090A| SE542166C2|2016-01-26|2016-01-26|A rod for suspending a safety net or similar in a motor vehicle|
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