• 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:
    Device for adjusting the position of a first part (3a) with respect to a second part (2a), comprising: - an adjusting knob (6) movably mounted in translation within a groove (12) provided in the second piece (2a), and - a locking member (7) having a locked position in which the locking member (7) prevents the first piece (3a) from translating along the groove (12), and a position unlocked in which the locking element (7) allows the first part (3a) to translate along the groove (12), the adjusting knob (6) translating along the groove (12) to bring the locking member (7) in the unlocked position and translating the first piece (3a) along the groove (12).
    公开号:FR3031277A1
    申请号:FR1550112
    申请日:2015-01-07
    公开日:2016-07-08
    发明作者:Antonin Gaudillere
    申请人:Zedel SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to a device for adjusting the position of a first piece with respect to a second piece and a protective helmet comprising such a device. compared to a second piece, and more particularly the protective helmets comprising such a device. STATE OF THE ART One can quote the European patent application EP2138061 which discloses a protective helmet consisting of a cap and a neckband adjustable by adjustment means. The adjustment means comprise a slot formed in the cap, a rack formed by two series of notches separated by the slot, and a slide movable from the outside into the slot. In addition, the slide is equipped with an unlocking button provided with lugs cooperating by snapping with the rack to block the adjustment of the neckband in a chosen position. To adjust the neckband, the user presses the unlocking button to release the pins of the rack, then moves in translation the slide in the slot to the contact of the neckband against the neck of the user. But the adjustment means are complex. They require a return spring to hold the lugs in the rack to ensure a lock of the neckband in position. Moreover, the adjustment means are not simple to use because the user must keep the unlocking button depressed while translating the slider. Object of the Invention It is an object of the invention to overcome these drawbacks, and more particularly to provide an adjustment device that is efficient and simple to use. Another object of the invention is to provide a protective helmet equipped with such an adjustment device.
    [0002] According to one aspect of the invention, there is provided a device for adjusting the position of a first piece relative to a second piece, comprising: an adjustment knob mounted to move in translation within a groove provided in the second piece, and - a locking member having a locked position in which the locking member prevents the first piece from translating along the groove, and an unlocked position in which the locking member allows the first piece to translate. along the groove.
    [0003] The adjustment button translates along the groove to bring the locking member into the unlocked position and to translate the first piece along the groove. Thus it facilitates the use of the adjustment knob because it is sufficient to move the adjustment knob in a chosen direction so as to move the piece in the chosen direction. It is no longer necessary to press an unlock button to unlock the part to be moved. The second part may comprise position indexing means, the locking element comprises at least one lug engaging in the indexing means when the locking element is in the locked position, and the disengaging adjustment knob. said at least one lug of the indexing means when the adjustment button translates along the groove.
    [0004] The locking member may be resilient to disengage by deforming said at least one lug of the indexing means when the adjustment button translates along the groove. The locking element may comprise at least one unlocking arm bearing against at least one stop of the first piece, the adjusting knob exerting a pressing force on said at least one unlocking arm to disengage said at least one of the pins. indexing means when the adjustment button translates along the groove.
    [0005] The locking element may further comprise two lugs extending in two directions respectively inclined relative to two normal axes to the groove. The locking element may also comprise two unlocking arms bearing against respectively two stops of the first part. The adjustment knob can translate along the groove by exerting a pressing force on the locking element, and the locking element is brought into the unlocked position when the exerted pressure force increases and remains below a threshold, and the adjustment button translates the first piece along the groove when the pressure force exerted is greater than the threshold. According to another aspect of the invention, there is provided a protective helmet comprising a cap, a neckband and a device for adjusting the position of a first piece relative to a second piece as defined above, wherein the first piece is mounted on the neck band and the second piece is mounted on the cap. BRIEF DESCRIPTION OF THE DRAWINGS Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention given as non-restrictive examples and represented in the accompanying drawings, in which: FIG. schematically illustrates a perspective view of an embodiment of a protective helmet provided with an adjusting device according to the invention; FIG. 2 schematically illustrates an exploded perspective view of another embodiment of an adjusting device according to the invention; and - Figure 3 schematically illustrates a sectional view of the adjusting device whose components are assembled. DETAILED DESCRIPTION FIG. 1 shows a protective helmet 1 comprising a cap 2, a neckband 3 and a device 4 for adjusting the position of the neckband 3 with respect to the cap 2. The cap 2 is preferably plastic, for example polycarbonate injected, expanded polystyrene or thermoformed plastic. The neckband 3 may be a flexible or semi-rigid plastic strip having two opposite ends EX1, EX2 and may be shaped according to an Omega profile. The neckband 3 is set back from the inner edge of the cap 2. The cap 2 may further comprise a headband 5 extending along the inner edge of the cap 2. In the embodiment illustrated in FIG. Figure 1, the headband 5 is not adjustable. Such a helmet 1 is particularly suitable for climbing, mountaineering, and more generally for any sports activity or for work at height. The position of the neckband 3 is adjustable by the adjusting device 4 which comprises an adjustment button 6 accessible from the outside of the cap 5. The helmet 1 may comprise a single adjusting device 4 to adjust the position of a end of the neckband 3. Preferably, the protective helmet 1 comprises two adjustment devices located on the opposite lateral sides of the cap 2.
    [0006] Figures 2 and 3, there is shown the adjustment device 4, respectively in an exploded view of the components of the device 4 and a sectional view of the device 4 where its components are assembled. In general, the adjustment device 4 makes it possible to adjust the position of a first part 3a with respect to a second part 2a. Such a setting device 4 is particularly suitable for protective helmets 1, and in this case, the first piece 3a is mounted on the neckband 3 of the helmet 1, and the second piece 2a is mounted on the cap 2 of the helmet 1 .
    [0007] The adjusting device 4 comprises the adjusting knob 6, a locking element 7, and a retaining washer 8. The adjusting knob 6 comprises a foot 9 extended at a first end of a head 10 for a grip of the button 6, and extended to a second end opposite by a base 11. The adjusting knob 6 is mounted to move in translation within a groove 12 provided in the second part 2a. The groove 12 forms an elongated through hole and the foot 9 of the adjusting knob 6 can slide in the groove 12. The groove 12 can be rectilinear or curved. The groove 12 preferably has a longitudinal shape within which the adjusting knob 6 moves in translation. The groove 12 serves to guide the translational displacement of the adjustment knob 6. Thus, the adjustment knob 6 can translate along the groove 12 in two opposite translation directions A, B possible. The locking element 7, the first part 3a and the retaining washer 8 respectively comprise three through-holes 13 to 15, to allow a passage of the foot 9 of the adjustment knob 10. When the components of the adjusting devices 4 are assembled, the locking element 7 is located between the first and second parts 3a, 2a, the second part 2a is located between the head 10 of the adjusting knob and the locking element 7, the foot 9 of the button 6 passes, consecutively, the groove 12, the through hole 13 of the blocking element 7, the through hole 14 of the first part 3a, then the through orifice 15 of the retaining washer 8. The retaining washer 8 makes it possible to maintain the components of the adjusting device 4 together. Thus, the adjusting knob 6, the locking element 7, the first part 3a and the retaining washer 8 are integral with each other, and can be translated together relative to the second part 2a. When assembling the components, the foot 9 of the adjusting knob 6 is inserted along a normal axis C to the groove 12, and the retaining washer 8 is placed to hold the assembly together.
    [0008] The locking element 7 makes it possible to prevent the first part 3a from translating along the groove 12 when the adjustment knob 6 is in an initial position. FIG. 3 illustrates the adjustment knob 6 in the initial position. In the initial position, if the user pulls on the first part 3a, in one of the two translation directions A, B, the blocking element 7 blocks the first part 3a and prevents it from translating. There is therefore no possible adjustment of the first part 3a relative to the second part 2a. In this case, it is said that the locking element 7 is in a locked position in which the locking element 7 prevents the first part 3a from translating along the groove 12. On the other hand, when the user translates the button 6, in the first or second translation direction A, B, the button 6 cooperates with the locking element 7 to bring the locking element 7 into an unlocked position and to translate the first part 3a relative to the second 2a along the groove 12. In the unlocked position, the locking element 7 allows the first part 3a to translate along the groove 12. For example, the second part 2a may comprise indexing means 16 position to maintain the second piece 2a in a chosen position. In Figure 1, the indexing means 16 are mounted on the cap 2. For example, the indexing means 16 are formed on the cap 2, by molding. In general, the indexing means 16 are oriented towards the first part 3a, that is to say that they are located opposite the first part 3a. In the embodiment illustrated in Figure 1, the indexing means 16 are located on the inner edge of the cap 2. The indexing means 16 may comprise at least one rack 16a, 16b. Each rack 16a, 16b comprises a series of notches and a series of notches, and wherein two successive notches are separated from each other by a notch. Preferably, the indexing means 16 comprise two racks 16a, 16b parallel to each other and separated from each other by the groove 12. The locking element 7 comprises at least one lug 17 to 20 configured for s' engage in the indexing means 16 to block in position the first part 3a, that is to say to prevent the first part 3a to translate along the groove 12 when the adjusting knob 6 is in its initial position and that he does not translate. In the locked position of the locking element 7, at least one lug 17 to 20 engages in a notch of at least one rack 16a, 16b. According to a variant, the locking element 7 comprises two lugs 17, 20 situated opposite each other along an axis parallel to the groove 12. In this case, in the locked position of the 7, the first lug 17 prevents a translation of the first part 3a in the first direction A, and the second lug 19 prevents a translation of the first part 3a in the second direction B. Advantageously, when the means of indexing 16 comprise two racks 16a, 16b, the locking element 7 comprises a first pair of pins 17, 18 intended to engage respectively in the notches of the two racks 16a, 16b to prevent a translation of the first part 3a according to the first direction A, and a second pair of lugs 19, 20 intended to engage respectively in the notches of the two racks 16a, 16b to prevent a translation of the first part 3a in the second direction B. When ue the adjustment button 6 translate along the groove 12, it cooperates with the locking member 7 so as to disengage the lugs 17, 18 of the first pair of notches where they are to unlock the first part 3a. Thus, the adjustment knob 6 brings the locking element 7 into the unlocked position and can translate the first part 3a along the groove 12.
    [0009] In general, the locking element 7 is resilient to disengage by deformation the lugs 17 to 20 of the indexing means 16 when the adjustment knob 6 translates along the groove 12. For example, the locking element 7 may comprise two resilient blades 21, 22 to make the locking element 7 deformable. The blades 21, 22 are deformed to allow disengagement of the lugs 17 to 20 of the indexing means 16, and to bring the lugs into the following notches after passage of the notches which blocked them. The blades 21, 22 are located on either side of the through orifice 13 of the locking element 7.
    [0010] The adjusting element 7 may further comprise at least one unlocking arm 23, 24. When the adjusting element 7 comprises a lug 17, or a pair of lugs 17, 18, it comprises an unlocking arm 23 located at the lugs 17, 18, preferably located between the two lugs 17, 18. When the adjusting element 7 has two opposite lugs 17, 19 located on the same axis parallel to the groove 12, or two pairs of lugs 17 to 20, it comprises two unlocking arms 23, 24. A first arm 23 hangs against a main stop 25 located on the first part 3a. The first part 3a may also comprise a secondary abutment 26 to allow support of the second arm 24. Each unlocking arm 23, 24 is intended to deform the locking element 7 when the adjusting knob 6 translate in a translation direction A , B. In particular, when the translate button in the first direction A, it exerts a pressing force on the first arm 23 to disengage the first pair of lugs 17, 18 indexing means 16. When the adjusting knob 6 translate in the second direction B, it exerts a pressing force on the second arm 24 to disengage the second pair of lugs 19, 20 of the indexing means 16. In other words, when the adjustment button 6 translate in a direction A, B, it pushes the unlocking arm 23, 24 which bears on a stop 25, 26 of the first part 3a to translate the lugs 17 to 20 in the direction of the first part 3a along an axis n Ormal to the groove 12. The support of an unlocking arm 23, 24 against a stop 25, 26 is by an extension of the arm which forms a bearing head 27, 28 coming into contact with a stop 24, 25 of the first piece 3a. Since the bearing head 27 is located against the stop 25, the unlocking arm 23 rotates about an axis perpendicular to the translation direction A of the adjusting knob 6 and perpendicular to the normal axis C to the groove 12. The rotation of the unlocking arm 23 causes a deformation of the resilient blades 21, 22 which tend to flatten. The deformation of the blades 21, 22 then disengages the lugs 17, 18 of the racks 16b, 16a. Thus, an unlocking arm 23, 24 transmits the force exerted by the adjusting knob 6 along the axis of the groove 12, in a force on the lugs along an axis normal to the groove 12, in order to reduce the pressure. 7 7 10 disengage the lugs from the notches where they were. The locking element 7 is brought into the unlocked position when the lugs are disengaged. In addition, when the lugs disengage from the notches, only the adjustment knob 6 translate with respect to the first and second parts 3a, 2a. There is also a free space 29 between the retaining washer 8 and the stops 25, 26 to allow the translation of the adjusting knob 6 to disengage the lugs. The translation of the adjusting knob 6 to disengage the lugs is also noted first translation. More particularly, the first translation is performed when the exerted pressure force increases and remains below a threshold. Then, the translation of the adjusting knob 6 continues, extending the force exerted on the unlocking arm, the lugs pass the notches that held them in the notches, and the first piece 3a translate, with the adjustment knob 6 and in the same direction, relative to the second part 2a along the groove 12. The translation of the adjusting knob 6 allowing the lugs to pass the notches is also noted second translation. The second translation is performed when the pressure force exerted is greater than the aforementioned threshold. In other words, during the second translation, an unlocking arm pushes the abutment, against which it is in abutment, and thus pushes the first part 3a in the same direction as that of the adjustment knob 6. It may be noted that the adjusting knob 6 comprises at least one recess 30, 31 for accommodating an unlocking arm 23, 24. Preferably, the adjusting knob 6 comprises two recesses 30, 31 for respectively receiving the two unlocking arms 23, 24. These recesses 30, 31 make it possible to create a free space for the displacement of the adjustment knob 6 with respect to an unlocking arm 23, 24 when the adjustment knob 6 exerts pressure on the other unlocking arm 23, 24, and Conversely.
    [0011] The lugs 17 to 20 disengaged pass the notches and are housed in the following notches, by the restoring force of the resilient blades 21, 22. In particular, when the first pair of lugs 17, 18 pass the notches, the opposite lugs 19, 20 also pass the notches that held them with a tilt of the lugs. In a preferred embodiment, the locking element 7 comprises pins 17 to 20 extending in two directions D, E respectively inclined relative to two normal axes C1, 02 to the groove 12. In addition, the directions D , E lugs are inclined in two opposite directions A, B. The adjustment device 4 thus makes it possible to disengage the lugs 17, 18 of the first pair by moving the adjustment knob 6 in the first direction of movement A, and the lugs 19, 20 of the second pair pass the notches thanks to their inclination. When the adjustment button 6 translates in the opposite direction B, the lugs 19, 20 of the second pair are disengaged from the racks 16b, 16a, and the lugs 17, 18 of the first pair pass the notches thanks to their inclination. Alternatively, the lugs 17, 18 of the first pair may have an inclination different from that of the lugs 19, 20 of the second pair, in particular to make more difficult one of the directions A, B of translation of the adjusting knob 6 .
    [0012] The adjusting device 4 also operates with a single unlocking arm and a single lug (or two lugs) that is disengaged in one direction or the other by exerting a force on one side or the other of the arm unlocking, using the adjustment knob 6 that is translated in a direction A or the other B. Any change in setting emits a click sound, by the lugs 17 to 20, following the movement of the element As a variant, the heads 27, 28 of the unlocking arms are introduced into through-holes 32, 33 provided in the first part 3a. Thus, the first part 34 can be rotatable about the normal axis C to the groove 12 to tilt the first part 3a relative to the second part 2a. Preferably, each head 27, 28 of the unlocking arms 23, 24 may comprise a rounded tongue 34 which cooperates with slots provided in the stops 25, 26, so as to adjust the angular position of the first part 3a.
    [0013] The adjustment of the position of the neckband 3 is carried out by translating the adjustment knob 6. More particularly, when the protective helmet 1 comprises two adjustment devices 4, the user, with both hands, moves the adjustment knobs in translation, towards the front of the helmet 1 to tighten the helmet 1 on its neck, or towards the back of the helmet 1 to loosen it. The lugs disengage the notches to release the ends EX1, EX2 of the neckband 3. Then, the lug of each device 4 passes a notch and engages again in the next notch, again ensuring the locking of the adjustment neckband in the chosen position. The user moves the adjustment button of a device 1 in translation in the groove 12 to the touch of the neckband against the neck of the user. The length of the neckband remains constant during the adjustment, while its attachment point is varied thanks to the indexing means 16 located on the inner wall of the cap 2.20
    权利要求:
    Claims (8)
    [0001]
    REVENDICATIONS1. Device for adjusting the position of a first part (3a) with respect to a second part (2a), comprising: - an adjusting knob (6) movably mounted in translation within a groove (12) provided in the second piece (2a), and - a locking member (7) having a locked position in which the locking member (7) prevents the first piece (3a) from translating along the groove (12), and a position unlocked in which the locking element (7) allows the first part (3a) to translate along the groove (12), characterized in that the adjusting knob (6) translates along the groove (12) for bringing the locking element (7) into the unlocked position and for translating the first part (3a) along the groove (12).
    [0002]
    2. Device according to claim 1, wherein the second part (2a) comprises position indexing means (16), the locking element (7) comprises at least one lug (17 to 20) engaging in the indexing means (16) when the locking element (7) is in the locked position, and the adjusting knob (6) disengaging said at least one lug (17 to 20) from the indexing means (16) when the adjusting knob (7) translates along the groove (12).
    [0003]
    3. Device according to claim 2, wherein the locking element (7) is resilient to disengage by deformation said at least one lug (17 to 20) of the indexing means (16) when the adjusting knob (6). translate along the groove (12).
    [0004]
    4. Device according to claim 2 or 3, wherein the locking element (7) comprises at least one unlocking arm (23, 24) bearing against at least one stop (25, 26) of the first piece (3a ), the adjustment knob (6) exerting a pressing force on said at least one unlocking arm (23, 24) for disengaging said at least one lug (17 to 20) from the indexing means (16) when the adjusting knob (6) translates along the groove (12).
    [0005]
    5. Device according to one of claims 2 to 4, wherein the locking element (7) comprises two lugs (17, 19) extending in two directions inclined respectively with respect to two normal axes (Cl, 02). at the groove (12).
    [0006]
    6. Device according to claim 4 or 5, wherein the locking element (7) comprises two unlocking arms (23, 24) bearing against respectively two stops (25, 26) of the first part (3a). 15
    [0007]
    7. Device according to one of claims 1 to 6, wherein the adjusting knob (6) translates along the groove (12) exerting a pressing force on the locking element (7), and the locking member (7) is brought into the unlocked position when the exerted pressure force increases and remains below a threshold, and the adjustment knob (6) translates the first piece (3a) along the groove (12). when the pressure force exerted is greater than the threshold.
    [0008]
    8. Protective helmet (1) comprising a cap (2), a neckband (3) and a device (4) for adjusting the position of a first piece (3a) with respect to a second piece (2a ) according to one of claims 1 to 7, wherein the first piece (3a) is mounted on the neckband (3) and the second piece (2a) is mounted on the cap (2). 5 10
    类似技术:
    公开号 | 公开日 | 专利标题
    EP3042580B1|2018-12-05|Device for adjusting the position of a first part relative to a second part and protective helmet comprising such a device
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    同族专利:
    公开号 | 公开日
    EP3042580A1|2016-07-13|
    US9820523B2|2017-11-21|
    US20160192726A1|2016-07-07|
    EP3042580B1|2018-12-05|
    FR3031277B1|2017-05-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB2354928A|1999-10-07|2001-04-11|Raleigh Industries Ltd|An adjuster for a helmet|
    US2437748A|1945-06-11|1948-03-16|Chicago Eye Shield Company|Adjustable headband construction|
    US3500474A|1968-10-08|1970-03-17|Mine Safety Appliances Co|Adjustable headband|
    TW456189U|2000-09-27|2001-09-21|Fang Guo Yun|Band adjustment structure for safety helmet|
    FR2932961B1|2008-06-26|2010-08-20|Zedel|AN ADJUSTABLE NECKLAR PROTECTIVE HELMET|
    US20110191946A1|2010-02-11|2011-08-11|Kenneth Fang|Hat band structure|
    FR3031277B1|2015-01-07|2017-05-26|Zedel|DEVICE FOR ADJUSTING THE POSITION OF A FIRST PART IN RELATION TO A SECOND PART AND PROTECTIVE HELMET COMPRISING SUCH A DEVICE|FR3020924B1|2014-05-16|2016-06-24|Zedel|NECKLACE TIGHTENER FOR PROTECTIVE HELMETS|
    FR3031277B1|2015-01-07|2017-05-26|Zedel|DEVICE FOR ADJUSTING THE POSITION OF A FIRST PART IN RELATION TO A SECOND PART AND PROTECTIVE HELMET COMPRISING SUCH A DEVICE|
    US10786031B2|2015-06-24|2020-09-29|Christopher D. Gowen|Helmet assembly|
    US20170238643A1|2016-02-23|2017-08-24|A.C.E. International|Head Gear|
    US10980307B2|2017-08-14|2021-04-20|Thomas M. Stade|Helmet system|
    法律状态:
    2015-12-08| PLFP| Fee payment|Year of fee payment: 2 |
    2016-07-08| PLSC| Search report ready|Effective date: 20160708 |
    2016-12-15| PLFP| Fee payment|Year of fee payment: 3 |
    2017-12-11| PLFP| Fee payment|Year of fee payment: 4 |
    2018-12-12| PLFP| Fee payment|Year of fee payment: 5 |
    2020-10-16| ST| Notification of lapse|Effective date: 20200906 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1550112A|FR3031277B1|2015-01-07|2015-01-07|DEVICE FOR ADJUSTING THE POSITION OF A FIRST PART IN RELATION TO A SECOND PART AND PROTECTIVE HELMET COMPRISING SUCH A DEVICE|FR1550112A| FR3031277B1|2015-01-07|2015-01-07|DEVICE FOR ADJUSTING THE POSITION OF A FIRST PART IN RELATION TO A SECOND PART AND PROTECTIVE HELMET COMPRISING SUCH A DEVICE|
    EP15200154.1A| EP3042580B1|2015-01-07|2015-12-15|Device for adjusting the position of a first part relative to a second part and protective helmet comprising such a device|
    US14/990,229| US9820523B2|2015-01-07|2016-01-07|Adjustment device of the position of a first part with respect to a second part and protective helmet comprising one such device|
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