• 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:
    FACE PROTECTION TO BE FIXED TO A PROTECTION HELMET, PARTICULARLY FOR FOREST ENGINEERS ?. The invention relates to a face shield (33) to be attached to a protective helmet (30), particularly for forestry engineers. A visor (132) has two retaining arms (32) and two bearing devices (50) that can be fixed inside a helmet shell (36) for the retaining arms (32) to articulate the visor (132) between an operating position in which the visor (132) is pivoted downwards and protects the face, and a resting position in which the visor (132) is pivoted upwards. Each retaining arm (32) extends towards its free end which can be connected to the bearing device (50) from the display (132) substantially parallel and at such a distance from the display (132) that a slot (37) it is formed between the retaining arm (32) and the visor (132), a slot through which the helmet shell (36) extends in the resting position, and that in the resting position, the visor (132) is arranged snugly on the outer surface of the helmet shell (36).
    公开号:BR112013000600B1
    申请号:R112013000600-5
    申请日:2011-07-12
    公开日:2020-09-29
    发明作者:Anton Pfanner；Martin Greber
    申请人:Pfanner Schutzbekleidung Gmbh；
    IPC主号:
    专利说明:

    TECHNICAL FIELD OF THE INVENTION
    [001] The invention relates to a face shield to be attached to a protective helmet, particularly for forestry engineers, comprising a visor with two retaining arms and two bearing devices mountable in a helmet jacket of a helmet for the holding arms articulate the display between the two positions, an operating position in which the display is pivoted downwards and protects the face, and a resting position in which the display is pivoted upwards. BACKGROUND OF THE INVENTION
    [002] A safety helmet comprising an articulating face protection of the type mentioned above is known from document DE 35 90 667 C2. The bearing devices for the display retaining arms are attached to the outside of the helmet shell. In such a safety helmet, it is disadvantageous that, in use, the obstacles through which the helmet passes may be sandwiched behind the support arms and / or the visor and thus obstruct the helmet user in service or pull the helmet from its head and thus endanger the user. Particularly, if work in the forest is done with the visor pivoted upwards, the top edge of the visor is located at a wide distance from the outer side of the helmet so that, in this case, branches can be easily sandwiched between the helmet and the visor and break the visor or the helmet or helmet is removed from the head.
    [003] Another protective helmet of this type is known from document DE 87 14 490 U1. In this protective helmet, a face shield and an ear protection are attached to the outside of the helmet by means of a common connection element.
    [004] Other documents showing the installation of helmet accessories, such as face protection on the outside of a protective helmet, are DE 28 26 636 C2, DE 29 07 056 A1, DE 33 14 595 C2, DE 35 90 667 C2, DE 97 10 596 U1 and DE 297 08 134 U1. The helmet user can also be obstructed or endangered in the field by the protective helmets known from these documents, if obstacles are sandwiched in the display support arms.
    [005] In a protective helmet known from document DE 10 2006 013 25 A1, a display support bracket is articulated on an axis of rotation below a pivotable lateral area on the outer surface of a helmet shell. In this case, the display model is also selected so that the risk that obstacles may be impacted on the display support bracket is not excluded.
    [006] WO 2008/0331 89 A2 shows a fire helmet comprising a visor articulated to the lower edge of an inner helmet shell. The storage position of the display is apparently located between an inner shell and an outer shell. This type of face protection can only be used with a special helmet model. SUMMARY OF THE INVENTION
    [007] It is the aim of the invention to provide face protection of the type mentioned at the beginning and known from the document mentioned first so that the risk that obstacles may be impacted on the display and / or on its support arms does not exist in the two display positions.
    [008] According to the invention, this objective is solved by each bearing device designed for installation inside the helmet shell and by each retaining arm that extends from the display to its free end that can be connected or connected to the device with a substantially parallel bearing and at such distance from the visor a gap is formed between the retaining arm and the visor through which the helmet shell extends in the resting position, and through the visor, in the resting position, arranged fitted on the outer surface helmet casing. In face protection according to the invention, the visor is guided by the retaining arms so that there is hardly any distance between its upper edge and the outer surface of the helmet in the hinged up position and in the hinged down position. There is therefore no possibility of engaging obstacles in face protection according to the invention.
    [009] The subject of the sub claims is the advantageous embodiments of the invention.
    [010] In a face protection embodiment according to the invention, the free end of each retaining arm is formed as a ring bushing, and each bearing device comprises a pivot with a bearing for accommodating the ring bushing. Each support arm and the bearing device allocated to it thus form a display support junction located securely within the perimeter of the helmet. In the resting position of the visor, the visor, together with the helmet shell, protects the support arm against the engagement of obstacles. In the operating position of the visor, each support arm is located behind the visor, and the side edges of the visor touch the outer surface of the helmet shell. In the operating position as well, the display and / or its support arms then do not offer a hitch point for obstacles.
    [011] In an additional form of face protection according to the invention, each bearing device is formed as part of a plug-in fitting coupling on the other part of the fitting coupling installed inside the helmet housing. The face protection can thus be effortlessly attached to the helmet and detached from the helmet by the helmet user.
    [012] In an additional form of face protection according to the invention, the bearing pivot of each plug-in coupling part comprises elastically flexible tappets projecting axially into which the ring bushing can be fitted. Attaching the face shield to the inside of the helmet can therefore be carried out by means of a plug-in connection by the helmet user.
    [013] In an additional mode of face protection according to the invention, the spring-loaded locking element that is provided engages in the ring bushing from the outside and can be dragged by it so as to retain releasably and positively the display in your position or the other. In this way, you can ensure a simple way for the display to maintain the position selected by the user.
    [014] In an additional mode of face protection according to the invention, the spring-loaded locking element comprises a cylinder swiveled at one end of a rod, the other end of the rod extends through a pivot bearing and a pressure spring to generate the spring preload being positioned on the rod between the pivot bearing and a support. The display is then locked in the selected position by a simple low-wear element that does not require any maintenance. The plug-in coupling part formed as a connector and containing the spring preloaded locking element can simply be replaced with a new connector, if required. BRIEF DESCRIPTION OF THE DRAWINGS
    [015] The modalities of the invention will be described in more detail below with respect to the drawings in which:
    [016] FIG. 1 shows a side view of a protective helmet comprising a face shield according to the invention, the display is shown when hinged upwards to a resting position.
    [017] FIG. 2 shows a sectional view of the protective helmet according to FIG. 1 when viewed in a backward direction.
    [018] FIG. 3 shows an interrupted view of the protective helmet according to FIG. 1 when viewed in a forward direction.
    [019] FIG. 4 shows the protective helmet according to FIG. 1, the display is pivoted down to an operating position.
    [020] FIG. 5 shows, as a detail, a support joint connecting a display support arm and a bearing device, the display is shown when pivoted down to the operating position.
    [021] FIG. 6 shows the support junction according to FIG. 5 as a detail and in an exploded view when considering the bearing device from the inside.
    [022] FIG. 7 shows the support joint according to FIG. 5 in an exploded view when considering the rear side of the bearing device in the direction from the outside to the inside and a ring bushing of a display retaining arm.
    [023] FIG. 8 shows, as a detail, a support joint connecting a display retaining arm and a bearing device, the display is pivoted upwards to a resting position.
    [024] FIG. 9 shows the fitted assembly of the bearing device according to FIG. 6 inside a helmet shell shown without the internal connectors in an angled view from below. DETAILED DESCRIPTION
    [025] A modality of a protective helmet designed particularly for use in the forest and designated by 30 as a whole is shown in a side view in FIG. 1, in a front view in FIG. 2, in a rear view in FIG. 3, and, in addition, in a side view in FIG. 4. The protective helmet 30 comprises a face shield according to the invention designated by 33 as a whole comprising a visor 132 which is shown when hinged upwards to a resting position in FIG. 1 and when folded down to an operating position in FIG. 4.
    [026] Since the face protection bearing devices 33 are identically formed in a laterally reversed manner on both sides of the helmet 30, no difference will be made between the right and left bearing devices, support joints, retaining arms , etc. in the following description.
    [027] The visor 132 of the face shield 33 comprises, on each side of the helmet 30, a retaining arm 32 as well as a bearing device 50 formed as a connector in which a part of a support joint 60 is integrally formed. The bearing device 50 of each retaining arm 32 is attached to the inside of a helmet housing 36. Each bearing device 50 is formed as a part of a plug-in coupling that can be plugged into the other part of the plug-in coupling mounted on the inside the helmet shell 36. This other part of the plug-in coupling is, according to the illustration in FIG. 9, comprised of a plurality of rod-like profusions 74 integrally formed within the helmet shell 36 and also shown in FIG. 2 in which, however, the bearing device 50 is not shown. The bearing device 50 is mounted on the rod-like profusions 74 where a support junction 60 of the display 132 is positioned in each temple section within the helmet shell 36. In FIGs. 1, 4 and 9, the bearing device 50 can be seen when mounted inside the helmet housing 36. The support joint model 60 will be described in more detail below with reference to FIGS. 5 to 9.
    [028] The retaining arm 32 is integrally formed at one end on the rear face of a display frame 132 as can be seen in FIGs. 5 to 8. At the free end of the retaining arm 32, a ring bushing 52 is formed. Each bearing device 50 comprises a bearing pivot 54 to accommodate ring bushing 52. Each bearing device 50 is formed as a connector or as a part of a plug-in coupling mentioned above that can be mounted on the other part of the coupling. fitting mounted inside helmet shell 36 and comprised of rod-like profusions 74 according to FIG. 9. In each connector, receptacles that are formed accommodate the ends of the stem-like profusions 74 that project downward as shown in FIG. 9. A resilient finger 73 establishes a fitting connection between the bearing device 50 and the helmet housing 36. The bearing pivot 54 of each fitting coupling comprises elastically flexible tappets projecting axially 54 'into which the ring 52 can be fitted. In FIGs. 5 and 8, the two parts of the support joint 60, that is, the ring bushing 52 and the bearing pivot 54, are illustrated in an assembled state while they can be seen in an exploded view in FIGs. 6 and 7. The retaining arm 32 extends from the display 132 to its connectable free end or connected to the substantially parallel bearing device 50 and at such a distance from the display 132 that a slot 37 is formed between the retaining arm 32 and the display 132 through which the helmet shell 36 extends in the resting position as shown in FIG. 1, and the visor 132 is positioned on the outer surface of the helmet shell 36 so as to rest against it in the resting position as also shown in FIG. 1 and particularly in FIGs. 2 and 3. A spring-loaded locking element 70 engages the ring bushing 52 from the outside and is draggable by it when the display 132 is pivoted up or down in order to reliably and positively retain the display 132 in your position or another position. The two positions of the spring tensioned locking element 70 are shown in FIGs. 5 and 8 in which the display 132 is positioned in the operating or resting position. The spring-loaded pre-tensioned locking element 70 comprises a rotatingly supported cylinder at the end of a rod 72, the other end of the rod 72 extends through a pivot bearing 75 to be displaceable and a pressure spring 78 for generate the spring preload supported on the rod 72 between the pivot bearing 75 and a support 76.
    [029] According to the illustration in FIG. 7, a small pin protruding axially is present in the ring bushing which, after mounting the ring bushing and pivot pin 54, positively engages a recess in the locking element 70 not shown in FIG. 7. This is the reason why the locking element 70 is dragged by the display 132 when it is pivoted. LIST OF NUMBERS 30 - protective helmet 32 - face protection 33 - face protection 36 - helmet housing 37 - slot 50 - bearing device 52 - ring bushing 54 - bearing pivot 54'- tucho 60 - support junction 70 - locking element 72 - shank 73 - resilient finger 74 - shank protrusion 75 - pivot bearing 76 - support 78 - pressure spring 132 - display
    权利要求:
    Claims (5)
    [0001]
    1. Face protection to be attached to a protective helmet comprising a visor (132) with two retaining arms (32) and two bearing devices (50) for the retaining arms (32) that are attachable to an enclosure of helmet (36) of a helmet (30) to articulate the visor (132) between two positions, an operating position in which the visor (132) is folded down and protects the face, and a resting position in which the visor (132) is hinged upwards, where each bearing device (50) is designed to be attached to the interior of the helmet housing (36), where each retaining arm (32) extends from the viewfinder (132) up to its connectable free end or connected to the parallel bearing device (50) and at such a distance from the display (132) that a slot (37) is formed between the retaining arm (32) and the display (132), slot through the which the helmet shell (36) extends in the resting position, and where the visor (132) is, in the resting position, arranged attached to the outer surface of the helmet shell (36), characterized by the fact that each retaining arm (32) is formed as a ring bushing (52) at its free end, and that each bearing device (50) is provided with a bearing pivot (54) to accommodate the ring bushing (52) and that each bearing device (50) is formed as a part of a fitted coupling and has receptacles, with which it can be plugged into the other part ( 74) of the fitted coupling installed inside the helmet shell (36), said other part consisting of a plurality of rod-like protrusions (74), and in which the bearing pivot (54) is attached to each bearing device, said bearing pivot (54) can be connected to one of the ring bushings (52) of the retaining arms (32) to form a support joint (60).
    [0002]
    2. Face protection, according to claim 1, characterized by the fact that with the help of a resilient finger (73) a connection between the receptacles of the bearing device (50) and the protrusions like rod (74) can be accomplished.
    [0003]
    3. Face protection according to claim 1, characterized by the fact that the bearing pivot (54) of each fitted coupling part comprises elastically flexible tappets projecting axially (54 ') in which the ring bushing (52 ) can be attached.
    [0004]
    4. Face protection according to claim 1, characterized by the fact that it comprises a spring-loaded locking element (70) engaging the ring bushing (52) from the outside and draggable by the ring bushing (52) to reliably and positively retain the display (132) in its position or in the other.
    [0005]
    5. Face protection according to claim 4, characterized by the fact that the spring-loaded locking element (70) comprises a rotatingly supported cylinder at one end of a stem (72), the other end of the stem extends through a pivot bearing (75) and a pressure spring (78) to generate the spring preload positioned on the stem (72) between the pivot bearing (75) and the cylinder.
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    法律状态:
    2016-09-20| B25C| Requirement related to requested transfer of rights|Owner name: ANTON PFANNER (AT) Free format text: A FIM DE ATENDER A TRANSFERENCIA, REQUERIDA ATRAVES DA PETICAO NO 20130075271 DE 10/09/2013, E NECESSARIO APRESENTAR PROCURACAO EM NOME DA CESSIONARIA. |
    2017-05-23| B25A| Requested transfer of rights approved|Owner name: PFANNER SCHUTZBEKLEIDUNG GMBH (AT) |
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-08-06| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-07-14| B09A| Decision: intention to grant|
    2020-09-29| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/07/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102010027015.6|2010-07-13|
    DE102010027015A|DE102010027015A1|2010-07-13|2010-07-13|Face shield for attachment to a protective helmet, in particular for forestry workers|
    PCT/EP2011/061883|WO2012007476A1|2010-07-13|2011-07-12|Face guard for fastening to a protective helmet, in particular for forestry workers|
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