EP2617307A1 - Casque de protection - Google Patents

Casque de protection Download PDF

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Publication number
EP2617307A1
EP2617307A1 EP13151269.1A EP13151269A EP2617307A1 EP 2617307 A1 EP2617307 A1 EP 2617307A1 EP 13151269 A EP13151269 A EP 13151269A EP 2617307 A1 EP2617307 A1 EP 2617307A1
Authority
EP
European Patent Office
Prior art keywords
engagement
holding device
engaging portion
mask
base plate
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
Application number
EP13151269.1A
Other languages
German (de)
English (en)
Other versions
EP2617307B1 (fr
Inventor
Olga Gottfried
Jan Musow
Stefan Effmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Draeger Safety AG and Co KGaA
Original Assignee
Draeger Safety AG and Co KGaA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Draeger Safety AG and Co KGaA filed Critical Draeger Safety AG and Co KGaA
Publication of EP2617307A1 publication Critical patent/EP2617307A1/fr
Application granted granted Critical
Publication of EP2617307B1 publication Critical patent/EP2617307B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/28—Ventilating arrangements
    • A42B3/288—Ventilating arrangements with means for attaching respirators or breathing masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/084—Means for fastening gas-masks to heads or helmets

Definitions

  • the present invention relates to a protective helmet having a helmet body provided to be worn on and protect a human head, comprising a respirator mask having a mask body, and first and second mask holding brackets attached to opposite sides of the mask body, and first and second mask holding devices mounted on opposite sides of the helmet body.
  • the first mask holding device is provided to be connected to the first mask holding bracket
  • the second mask holding device is provided to be connected to the second mask holding strap.
  • At least one of the first and second mask holding devices has a holding device engaging portion
  • at least one of the first and second mask holding handles has a holding strap engaging portion.
  • the retainer engaging portion and the retainer bar engaging portion are formed to engage with each other when the retainer engaging portion is moved in an engaging direction with respect to the retainer engaging portion.
  • the holding device engagement portion has a base plate, a perpendicular to the base plate extending U-shaped stop wall having a bottom portion, two opposite leg portions and an engagement direction facing opening, and a cover plate which is parallel and spaced from the base plate at least partially between the leg portions of U-shaped stop wall extends.
  • Protective helmets according to the present invention with a helmet body and a respirator are used, for example, by firefighters as part of their protective equipment for protection against burns, smoke poisoning and falling parts used in firefighting operations.
  • a use outside the fire department for example, rescue services or technical support services, conceivable.
  • the respirator can be attached as easily and quickly to the helmet body or removed from it.
  • the respirator should be tight and secure against different users' face shapes and held against the helmet.
  • the respiratory mask on opposite sides on the mask body flexibly mounted mask holding bracket, which can be detachably connected to mounted on opposite sides of the helmet body mask holding devices.
  • the mask retainers In order to ensure a secure and firm hold of the respirator on the user's face with different face shapes of a user, the mask retainers have an elastic member that can be biased to connect the mask retainers to the mask retainers on the helmet body. In this way, the biasing force of the elastic members of the first and second mask holding yokes presses the mask body against the user's face and thus ensures a firm hold of the mask.
  • the respirator with one of the mask support bracket is fixedly attached to one of the mask holding devices of the protective helmet and the other mask holder bracket can be releasably connected to the other mask holder of the protective helmet.
  • the mask would be permanently attached to the hard hat and could be secured by attaching the mask holder to the mask holder on one side of the helmet are applied to the user's face and held there.
  • Each mask holding bracket which can be detachably attached to a mask holding device of the protective helmet, has a headband engaging portion
  • each mask holding device to which a mask holding bracket can be detachably attached, has a holding device engaging portion.
  • Retainer-engaging portion and retainer-engaging portion are formed so that they can engage with each other and thus form a detachable connection between the mask holding bracket and the mask holding device.
  • the retaining clip engagement section and the retaining device engagement section can be formed in different ways.
  • the jig engaging portion includes a base plate, a cover plate parallel to the base plate, and a U-shaped stopper wall having a bottom portion and two opposite leg portions that curves uniformly in a plane parallel to the base plate so that leg portions and floor section continuously merge into each other.
  • the Haltebügeleingriffsab a protrusion with rounded contour, which is formed such that it can be inserted between the base plate and cover plate and between the leg portions of the U-shaped stop wall and rests with the entire rounded contour of the curved stop wall.
  • the U-shaped abutment wall of the retainer engagement portion is formed by two substantially parallel leg portions and a perpendicular to the leg portions and connecting the bottom portion.
  • the projection of the headband engaging portion has a substantially rectangular contour so that it can be inserted between the parallel leg portions of the U-shaped abutment wall of the holder engaging portion until abutment with the bottom portion, so that the rectangular projection over the entire inside of the bottom portion attached to this.
  • respirators having differently formed retainer engaging portions may alternatively be attached to the retainer engaging portion of a protective helmet. This applies, for example, in the event that a protective helmet must be replaced. In this case, it makes sense if the corresponding respirator can also be attached to another helmet.
  • the mutually facing inner surfaces of the leg portions initially have a curved course, wherein the distance of the mutually facing inner surfaces of the leg portions decreases towards each other in the direction of the bottom portion, and following the curved course towards the bottom portion have a straight course parallel to the direction of engagement, and that the opening facing inner surface of the bottom portion in the direction from the first leg portion to the second leg portion has a straight course perpendicular to the direction of engagement.
  • a rounded projection of a Garniersabites s on the curved part of the inner surfaces of the leg portions and preferably simultaneously abut at a point of the straight inner surface of the bottom portion, whereby a secure and tight fit of the headband engagement portion is achieved in the holding device engagement portion according to the invention.
  • a rectangular projection of a Garniersabites s over the entire inner surface of the bottom portion and the straight engaging extending parts of the leg portions abut against the stop wall, whereby a firm and secure fit and the Garbügeleingriffsabites with rectangular projection can be achieved in the holding device engagement portion according to the invention.
  • the transition between the part of the inner surfaces of the leg sections, the curved course and that part of the inner surfaces of the leg portions which has a straight course be rounded.
  • the distance between the straight inner surfaces of the leg portions in the engagement direction that is, toward the bottom portion, minimally decrease, thereby also facilitating the engagement and disengagement of the headband engagement portion with the retainer engagement portion.
  • This decrease in the distance between the straight inner surfaces of the leg sections in the direction of the bottom section is so small that this does not contradict the principle of the straight inner surfaces of the leg sections which are basically parallel to the engagement direction, the angle enclosed by the inner surfaces of the leg sections being 5 °, preferably 3 °, more preferably 1 °.
  • the curved facing inner surfaces of the leg portions are curved such that they extend - for the most part - on a circular path, which touches the inner surface of the bottom portion at a point.
  • a headband engaging portion, the projection of which has a contour corresponding to a circular path not only abut against the curved parts of the inner surfaces of the leg portions, but also abut at a point on the inner surface of the bottom portion, whereby an even safer and firmer fit of the projection of the headband engaging portion in the jig engaging portion.
  • the holding device engagement portion has a latching projection formed on the base plate, facing in the direction of engagement, and elastically deformable in the direction perpendicular to the base plate.
  • a locking projection serves to prevent slipping out of the headband engaging portion from the jig engaging portion.
  • the projection of the headband engaging portion may have a lip extending in the direction perpendicular to the base plate and, when the headband engaging portion and the jig engaging portion are engaged, between the stopper wall and the locking projection.
  • the locking projection holds the projection of the headband engaging portion in position in abutment with the abutment wall.
  • the lip of the protrusion may be moved to disengage the support bracket engaging portion and the retainer engaging portion only beyond the locking protrusion opposite to the engagement direction when the locking protrusion is deformed toward perpendicular to the base plate and away from the protrusion, so that the lip is no longer caught by the locking protrusion when the projection is moved counter to the engagement direction.
  • the latching projection is connected by a tapered, neck-like region with the base plate and extending therefrom in the direction of engagement, that is towards the bottom portion.
  • a breakthrough may be provided in the neck-like area.
  • the deformation of the locking projection for releasing the lip of the projection of the headband engaging portion may be done by a push pin attached to the headband engaging portion over which the locking projection is disposed when the retaining bracket engaging portion and the retaining device engaging portion are engaged and, for example, by pressing with a user's thumb. perpendicular to the base plate can be moved to the surface of the locking projection, whereby the locking projection is deformed in the direction perpendicular to the base plate and away from the headband engaging portion.
  • the latching projection extends flat in the plane of the base plate or parallel to this and in its extension plane has a part-circular contour which runs evenly spaced to the circular path on which extend the curved facing each other inner surfaces of the leg portions.
  • the contour of the locking projection follows the shape of the curved inner surfaces of the leg portions, wherein between the inner surfaces of the leg portions and the edge of the locking projection, a uniform gap is formed in which engages the lip of the projection of the Craigbügeleingriffsabites form-fitting, so that no play the lip between Locking projection and inner sides of the leg sections is allowed.
  • the cover plate in the direction of the opening of the stop wall, ie counter to the direction of engagement, the cover plate has a recess which is rectangular in the plane of the cover plate and whose dimension in this plane is perpendicular to the direction of engagement of the dimension of the bottom portion in this direction corresponds. Minor deviations from the rectangular shape to a trapezoidal shape are also possible according to the invention.
  • the recess serves to facilitate engagement or disengagement of the retainer engagement recess with the retainer portion. Hanging the projection of the headband engagement portion on the cover plate is thus largely avoided.
  • the extending around the recess cover plate is sufficient to remove the projection of the headband engagement portion in the direction perpendicular to the base plate can not from this.
  • a rectangular recess is particularly advantageous because the engagement of both rectangular and rounded projections of headband engagement portions with the retainer engagement portion is facilitated.
  • At least one mask holding device has a mounting plate attached to the helmet body, the mounting plate having a guide rail with which the retainer engagement portion engages such that the retainer engagement portion is slidably mounted on the mounting plate parallel to the engagement direction.
  • the holder engaging portion may be linearly moved in the form of a carriage on the planar guide rail projecting away from the mounting plate.
  • the guide rail may further comprise two opposite and facing away from each other projections and the holding device engaging portion having two mutually facing recesses, wherein the recesses of the holding device engagement portion engage with the projections of the guide rail and thus a guided displacement along the guide rail becomes possible.
  • the retainer engaging portion may also be adjusted stepwise or continuously along the mounting plate and thus on a fixed path on the helmet. In this way, the position of the respirator against the helmet and thus also against the face of a user can be adjusted or the contact pressure of the mask can be adjusted to the face.
  • a threaded pin which is rotatably mounted about its longitudinal axis parallel to the engagement direction and immovably in the direction of the longitudinal axis of the mounting plate, and if the thread of the threaded pin with the mating thread of a mating threaded element of the holding device engagement portion engages such that a Rotation of the threaded pin causes a linear movement of the holding device engaging portion along the guide rail.
  • a rotary movement of the threaded pin a continuous adjustment of the holding device engagement section in a linear direction along the guide rail can take place.
  • the threaded pin has in the direction of the longitudinal axis on one side a Verstellende with a simple slot, a Phillips head or a screw head, which is adapted to engage with a wrench or screwdriver.
  • the grub screw can therefore be formed as a grub screw, wherein the rotation of the threaded pin can be caused by means of a correspondingschreibschlitz- or Phillips screwdriver at Verstellende and thus the holding device engagement portion relative to the guide rail can be adjusted, whereby the contact pressure of the mask is adjusted to the face of a user.
  • the grub screw can also as Screw may be formed with a screw head, which also has one or more slots, an edged circumference, a Imbusbohrung or other means for engagement with a wrench or screwdriver to rotate the threaded pin and thus to adjust the holding device engagement portion relative to the guide rail.
  • the threaded pin in the direction of the longitudinal axis on one side a wing screw head.
  • the grub screw can be turned by hand without the use of tools and thus the holding device engaging portion or the position of the respirator can be adjusted.
  • the wellgelschraubenkopf is elastically displaceable in the direction of the longitudinal axis mounted on the threaded pin, wherein the diegelschraubenkopf parallel to the longitudinal axis of the threaded pin projecting a locking lug and wherein the mounting plate or the guide rail has a latching recess which is formed to intervene with the latch.
  • a spring element for example a helical spring, be provided between the thumbscrew head and the threaded pin, so that the thumbscrew head must first be pulled away in the direction of the longitudinal axis of the threaded pin of the threaded pin to bring the locking lug out of engagement with the locking recess and to be able to turn the thumbscrew head with the grub screw rotatably connected thereto. If the locking lug is now rotated in alignment with the latching recess, the spring force presses the latching lug back into the latching recess and thus prevents unintentional rotation of the thumbscrew head or of the threaded pin attached thereto.
  • a spring element for example a helical spring
  • the thumbscrew head can be rotated by a fixed predetermined angular position and the holding device engaging portion relative to the guide rail thus adjusted according to a precisely predetermined shift stage.
  • the guide rail has a scale
  • the holder engaging portion has a pointing means, which is formed so as to indicate on the scale a shift state of the holder engaging portion with respect to the mounting plate.
  • the distances of such a scale can preferably be adapted to the determined by the distances of the locking recesses shift stages of the holding device engagement portion relative to the guide rail, so that for example the linear displacement of the holding device engagement portion relative to the guide rail, which - in the case of only one locking recess - a revolution of the thumb screw head or Grub screw corresponds to exactly one shift step on the scale.
  • a breakthrough is provided in the holding device engagement section as a pointer means, by means of which a scale section characterizing the instantaneous shift position is visible on the guide rail located therebelow.
  • a scale section characterizing the instantaneous shift position is visible on the guide rail located therebelow.
  • the retainer engaging portion 1 "comprises a base plate 3, a cover plate 5 extending parallel and spaced from the base plate 3, and a U-shaped stop wall connected to the base plate 3 perpendicular thereto 7 with two opposite leg portions 9a, 9b and a bottom portion 11 which connects the two leg portions 9a, 9b.
  • the inner surfaces of the leg portions 9a, 9b and the inner surface of the bottom portion 11 merge into each other in the form of a continuous arc having a continuous curvature. That is, the entire inner surface of the U-shaped abutment wall has a curvature.
  • the base plate 3 has a latching projection 17, which faces the bottom portion 11 of the stop wall 7.
  • Fig. 2 shows another holding device engagement portion 1 "'of a protective helmet according to the prior art, which also like the holding device engagement portion 1" from Fig. 1 a base plate 3, a parallel spaced therefrom cover plate 5 and a perpendicular to the base plate 3 extending U-shaped stop wall 7 has.
  • the U-shaped stopper wall 7 of the holder engaging portion 1 "' Fig. 2 has the U-shaped stopper wall 7 of the holder engaging portion 1 "' Fig. 2
  • two opposite leg portions 9a, 9b whose inner surfaces are substantially parallel to each other, and a bottom portion 11, whose inner surface is substantially perpendicular to the inner surfaces of the leg portions 9a, 9b. Since the holding device engaging portions 1 ", 1"'after Fig. 1 and 2 are constructed similar, similar features are identified by the same reference numerals.
  • the holding device engaging portion 1 "out Fig. 1 is thus formed so as to engage with a headband engaging portion 21 (in FIG Fig. 5 shown) having a rounded projection 23 (FIG. Fig. 5 ), which is provided for engagement with the stop wall 7, has.
  • the holder engaging portion 1 "' is off Fig. 2 formed so as to engage with a headband engaging portion 25 (in FIG Fig. 6 shown), which has an angular projection 27 (FIG. Fig. 6 ) to rest against the stop wall 7.
  • a protective helmet with a holding device engagement portion 1, 1 ' is provided as this in Fig. 3 to 9 is shown. Again, similar features are identified by like reference numerals.
  • Fig. 3 shows a holding device engaging portion 1 of an embodiment of a protective helmet according to the invention.
  • Protective helmets of this type include a helmet body intended to be worn on and protect a human head, a respirator with a mask body and first and second mask support brackets attached to opposite sides of the mask body, and first and second second mask holding device mounted on opposite sides of the helmet body and provided to be connected to the first and second mask holding brackets.
  • at least one mask holding bracket 29 in FIGS. 5 and 6 shown
  • a Haltebügeleingriffsabêt 21 and 25 FIGS. 5 and 6
  • at least one mask holding device has a holding device engaging portion 1.
  • Retaining bar engaging portions 21 and 25 and retainer engaging portion 1 are formed so as to engage with each other by a relative movement with respect to each other or by a movement of the Garbügeleingriffsabitess 21 and 25 in an engagement direction 31 relative to the holding device engaging portion 1 and thus a releasable connection of the mask holding device with the mask holding bracket 29th to build.
  • the holding device engaging portion 1 as in FIG Fig. 3 shown, a base plate 3, a perpendicular to the base plate 3 extending and connected thereto U-shaped stop wall 7 with a bottom portion 11, two opposite leg portions 9a, 9b and an opening 33 which is opposite to the bottom portion 11 and against the engagement direction 31st has.
  • the base plate extends in parallel, and the bottom portion 11 extends perpendicular to the engagement direction 31.
  • the holding device engagement portion 1 has a cover plate 5 parallel to the base plate 3 extending at a distance from the base plate 3 between the leg portions 9a, 9b and the bottom portion 11.
  • the mutually facing inner surfaces 13a, 13b of the leg portions 9a, 9b viewed in the engagement direction 31 initially has a curved course, wherein the distance between the facing inner surfaces 13a, 13b of the leg portions 9a, 9b in the direction of engagement 31, that is to the bottom portion 11th down, decreases. In this case, the amount by which the distance decreases in the direction of engagement 31 increases.
  • the inner surfaces 13a, 13b of the leg portions 9a, 9b in the engagement direction 31 up to the bottom portion 11 a straight course, wherein the distance between the inner surfaces 13a, 13b of the leg portions 9a, 9b remains constant in this area and the inner surfaces 13a, 13b extend parallel to the engagement direction 31.
  • the inner surface 15 of the bottom portion 11 has a straight course perpendicular to the engagement direction 31 parallel to the base plate 3.
  • the curved portions of the facing inner surfaces 13a, 13b of the leg portions 9a, 9b are preferably curved so as to substantially extend on a common circular path that contacts the inner surface 15 of the bottom portion 11 at one point.
  • a minimal decrease in the spacing of the inner surfaces 13a, 13b of the leg sections 9a, 9b relative to one another in the engagement direction 31 is thus expressly permitted according to the invention and should not contradict a part of the inner surfaces 13a, 13b of the leg sections 9a, 9b running essentially parallel to the engagement direction 31 stand.
  • the holding device engagement portion 1 has a latching projection 17 which points in the direction of engagement 31 in the plane of the base plate 3 starting from the base plate 3.
  • the locking projection 17 has a taper 35 and an opening 37, whereby a deformation or bending of the latching projection 17 relative to the base plate 3 is facilitated.
  • the latching projection 17 further has, in the plane of the base plate 3, a rounded, preferably circular contour 39 which is uniformly spaced from the curved areas of the inner surfaces 13a, 13b of the leg sections 9a, 9b.
  • the cover plate 5 in a plane parallel to the base plate 3 has a U-shaped course, wherein the opening of the U-shape opposite to the engagement direction 31 points.
  • FIGS. 5 and 6 are a headband engaging portion 21 with a rounded projection 23 (FIG. Fig. 5 ) and a headband engaging portion 25 having an angular projection 27 (FIG. Fig. 6 ).
  • the present embodiment of the protective helmet according to the invention can be used as follows.
  • the retainer engaging portion 21 and 25, respectively, of the mask retainer 29 of the respirator is engaged with the retainer engagement portion 1 of the mask retainer attached to the helmet body. It is - depending on how the projection 23 and 27 of the headband engaging portion 21 and 25 is formed - either a round projection 23 (see Fig. 5 ) or an angular, preferably rectangular, projection 27 (see Fig. 6 ) introduced into the cavity between the base plate 3, cover plate 5 and U-shaped stop wall 7.
  • the projection 23 abuts the curved portions of the inner surfaces 13a, 13b of the leg portions 9a, 9b, and more preferably at a point on the inner surface 15 of the bottom portion 11.
  • the projection 23 may in this case further comprise a lip 43 which extends perpendicular to the plane in which the projection 23 extends. The lip 43 is in the engaged state of the support bracket engagement portion 21 and the retainer engagement portion 1 between the latching projection 17 and the stopper wall 7 are arranged so that the stopper projection 17 prevents movement of the projection 23 against the engagement direction 31.
  • the locking projection 17 In order for the headband engaging portion 21 to be disengaged from the jig engaging portion 1, the locking projection 17 must be elastically deformed, that is, bent, in the direction perpendicular to the base plate 3 and away from the protrusion 23. This can be done by a arranged on the mask support bracket 29 and, for example, by a user with his finger movable pressure pin which presses on the surface of the locking projection 17 and this deformed perpendicular to the base plate 3.
  • an angularly shaped projection 27 is preferably the projection 27 over the entire length of the inner side 15 of the bottom portion 11 of this and at least partially to the straight portions of the inner sides 13a, 13b of the leg portions 9a, 9b.
  • Fig. 7 to 9 the mask holding device 45 of another embodiment of a protective helmet according to the invention is shown with a helmet body, a respirator and a mask holder 45, wherein also in this embodiment, similar features are identified by like reference numerals.
  • the mask holding device 45 has - as in Fig. 7 shown - a mounting plate 47 with a guide rail 49 and a holding device engagement portion 1 'on.
  • the mounting plate 47 can be attached to the helmet body of a protective helmet.
  • the guide rail 49 is formed protruding from the mounting plate 47 and has at two parallel edges facing away from each other projections 51 a, 51 b.
  • the holding device engaging portion 1 ' has on its side facing away from the cover plate 5 side two parallel mutually facing recesses 53 a, 53 b, which are formed so as to engage with the projections 51 a, 51 b of the guide rail 49.
  • the holder engaging portion 1 ' is slidably attached to the mounting plate 47 along the guide rail 49 in parallel with the projections 51a, 51b of the guide rail 49.
  • the holding device engaging portion 1 'in the engagement direction 31 along the guide rail 49 is slidable.
  • the parallel recesses 53a, 53b of the holding device engagement portion 1 ' are arranged rotated by an angle to the engagement direction.
  • the holding device engaging portion 1 On the side facing away from the guide rail 49 side has the holding device engaging portion 1 'similar to the first embodiment described a base plate 3 with a locking projection 17, a base plate 3 parallel spaced cover plate 5 with a recess 41 and a U-shaped stop wall 7 with two opposite leg portions 9a, 9b and a bottom portion 11.
  • the inner surfaces 13a, 13b of the stop wall 9a, 9b are, as described in connection with the first embodiment, in Engagement direction 31 initially curved and then formed straight substantially parallel to the engagement direction 31.
  • the mask holding device 45 has a threaded pin 55 which is rotatably supported about its longitudinal axis 57 and parallel to the projections 51a, 51b of the guide rail 49 and at the same time immovably in the direction of the projections 51a, 51b of the guide rail 49 on the mounting plate 47.
  • the thread 59 of the threaded pin 55 engages with the mating thread 61 of a mating thread element 63 provided on the holding device engagement section 1 ', whereby a linear movement of the holding device engagement section 1' takes place along the guide rail 49 during a rotary movement of the threaded pin 55.
  • the rotation of the threaded pin 55 for the linear adjustment of the holding device engaging portion 1 ' is achieved in the present case by a thumbscrew head 65 which is rotatably mounted in the direction of the longitudinal axis 57 of the threaded pin 55 elastically displaceable on the threaded pin 55 and thus by hand by the user or a helper can be served.
  • the threaded pin 55 in the direction of the longitudinal axis 57 on one side has a Verstellende with a slot, Phillips or a screw head, which is adapted to engage with a wrench or screwdriver, which also causes a rotation of the threaded pin 55 and thus a Linear adjustment of the holding device engagement portion 1 'can be done.
  • the diegelschraubenkopf 65 has a parallel to the longitudinal axis 57 of the threaded pin 55 protruding latching lug 67 and the mounting plate 47, in particular the guide rail 49, has a latching recess 69, wherein latching lug 67 and latching recess 69 are formed to attack each other.
  • the wing screw head 65 is mounted by means of a coil spring 71 in the direction of the longitudinal axis 57 elastically on the threaded pin 55, so that the biasing force of the coil spring 71 presses the latching nose 67 of the wing screw head 65 in the latching recess 69.
  • a scale 73 is provided on the guide rail 49 in the direction of displacement of the holding device engaging portion 1 ', and a pointing means is provided on the holder engaging portion 1' so that the shifting state of the holder engaging portion 1 'with respect to the guide rail 49 can be seen.
  • a pointer means on the holding device engagement portion an opening 75 is provided, through which a portion of the scale 73 on the guide rail 49 is visible.
  • the second embodiment of a protective helmet according to the invention can be used as follows. First, the headband engaging portion 21 and 25 of a mask holding bracket 29 of the respirator with the holder engaging portion 1 'of the attached to the helmet body mask holding device 45, as already described in connection with the first embodiment, engaged.
  • the seat of the respirator on the face of a user can be adjusted by turning the threaded pin 55, whereby the position of the retainer engagement portion 1 'relative to the guide rail 49 by the engagement of the thread 59 with the mating thread 61 of the mating threaded member 63 is adjusted.
  • the wing screw head 65 is first pulled parallel to the longitudinal axis 57 of the threaded pin 55 of the threaded pin 55 against the biasing force of the coil spring 71, wherein the locking lug 67 comes out of engagement with the locking recess 69.
  • the thumbscrew head 65 and thereby rotatably attached to the thumbscrew head 65 threaded pin 55 can be rotated by hand, whereby the holding device engagement portion 1 'along the scale 73 on the guide rail 49 is moved.
  • the currently selected shift state on the scale 73 can be seen through an aperture 75 in the jig engagement section 1 '.
  • One revolution of the wing screw head 65 corresponds to a shift stage on the scale 73. In this way, the adjustment of the mask holding bracket 29 relative to the helmet body can take place in predetermined uniform displacement stages.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
EP20130151269 2012-01-18 2013-01-15 Casque de protection Active EP2617307B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012000920A DE102012000920A1 (de) 2012-01-18 2012-01-18 Schutzhelm

Publications (2)

Publication Number Publication Date
EP2617307A1 true EP2617307A1 (fr) 2013-07-24
EP2617307B1 EP2617307B1 (fr) 2014-04-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20130151269 Active EP2617307B1 (fr) 2012-01-18 2013-01-15 Casque de protection

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EP (1) EP2617307B1 (fr)
AU (1) AU2013200267B2 (fr)
DE (1) DE102012000920A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4151261A1 (fr) 2015-03-31 2023-03-22 Fisher & Paykel Healthcare Limited Interface utilisateur et système pour fournir des gaz à une voie respiratoire
CN114569856A (zh) 2016-08-11 2022-06-03 费雪派克医疗保健有限公司 可塌缩导管、患者接口和头戴具连接器
DE102021110198A1 (de) 2020-04-30 2021-11-04 Dräger Safety AG & Co. KGaA Schutzhelm mit einem Adapter und Verfahren zur lösbaren Befestigung eines Moduls

Citations (4)

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Publication number Priority date Publication date Assignee Title
FR2676652A1 (fr) * 1991-05-23 1992-11-27 Gallet Sa Bras d'amarrage d'un masque respiratoire sur un casque de protection.
FR2707141A1 (fr) * 1993-07-07 1995-01-13 Peron Jean Yves Dispositif de liaison entre un casque et un masque.
US6389606B1 (en) * 1998-10-20 2002-05-21 Gallet S.A. Protective helmet with an anchoring device for a respiratory mask
DE102005024508B3 (de) * 2005-05-27 2006-10-26 Dräger Safety AG & Co. KGaA Schutzhelm mit einer Atemschutzmaske

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2594699B1 (fr) 1986-02-25 1988-05-13 Gallet Sa Dispositif pour la fixation d'un masque respiratoire sur un casque de protection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676652A1 (fr) * 1991-05-23 1992-11-27 Gallet Sa Bras d'amarrage d'un masque respiratoire sur un casque de protection.
FR2707141A1 (fr) * 1993-07-07 1995-01-13 Peron Jean Yves Dispositif de liaison entre un casque et un masque.
US6389606B1 (en) * 1998-10-20 2002-05-21 Gallet S.A. Protective helmet with an anchoring device for a respiratory mask
DE102005024508B3 (de) * 2005-05-27 2006-10-26 Dräger Safety AG & Co. KGaA Schutzhelm mit einer Atemschutzmaske

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EP2617307B1 (fr) 2014-04-30
DE102012000920A1 (de) 2013-07-18
AU2013200267A1 (en) 2013-08-01
AU2013200267B2 (en) 2014-04-10

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