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
  • A42B3/10—Linings
  • A42B3/14—Suspension devices

Definitions

• Safety helmet in particular military safety helmet
• the invention relates to a safety helmet, in particular a military safety helmet, with a stable helmet cap and a carrying basket formed from a plurality of bands connected to one another, which has molded plastic knobs on its bands, pointing towards the helmet cap and thus with fastening parts at several points is connected to the helmet cap that the carrying basket rests with a prestress on the inside of the helmet cap via the knobs.
• a protective helmet of this type as is known as a military protective helmet from EP 0 423 379 B1, combines the function of good shock absorption through the plastically deformable knobs of the carrying basket of the interior with good ventilation of the helmet.
• the impacts that occur even when projectiles hit the helmet shell, which is bulletproof for military purposes, are effectively dampened by the knobs resting firmly on the inside of the helmet shell and thus being plastically deformed immediately upon impact of the projectile.
• the necessary pre-tensioning of the carrying basket with respect to the helmet cap is ensured by a corresponding fastening of the carrying basket to the helmet cap.
• the carrier cage is usually screwed tightly to the helmet cap, whereby the necessary pretension can be ensured.
• a protective helmet of the type mentioned at the outset is characterized in that the connection of fastening parts and helmet cap is formed by a bolt and a fork arrangement which overlaps the bolt is, the open side of which is oriented such that the bolt is introduced from an increased pretension of the carrier cage against the helmet cap while reducing the pretension and that the bolt is in contact with the closed side of the fork arrangement for the pretension desired for use secures.
• the carrying cage can be removed from the helmet cap without assembly effort if the connection is formed by a pin and fork arrangement and the assembly is carried out in such a way that the carrying cage is pressed into a state of increased pretension and partially relaxes the bolt-fork arrangement supports so that the remaining bias ready for use contributes to securing the connection, because accidental loosening of the connection is impossible in practice because of the required increase in the bias.
• the securing of the bolt-fork connection can be further improved in that the fork arrangement has an elastically deformable constriction forming the open side as an insertion path for the bolt and on the closed side a receiving chamber corresponding to the outer dimension of the bolt, into which the bolt can be snapped in.
• the bolt-fork connection can additionally be used to secure the side if the bolt has a bolt head whose diameter is larger than that of the receiving chamber.
• the bolt head can rest freely on the back of the receiving chamber or be guided in a guide groove which is designed to be T-shaped in cross section for the bolt head in order to increase the stability of the connection.
• the bolt can be attached to the helmet and the fork assembly to the mounting strip.
• the bolt can be attached to the helmet in a simple manner as a screw bolt, measures, as disclosed in EP 0 662 286 A1, also being able to maintain an undiminished resistance to fire in the area of the opening of the helmet cap required for the screw connection.
• the fastening points are located in the lower region of the carrier basket, the open side of the fork arrangement then pointing towards the opening side of the helmet cap when the fork arrangement is attached to the fastening part.
• the bolt used according to the invention can expediently be used simultaneously for fastening a chin strap, wherein the chin strap can also be detachably attached.
• the invention will be explained in more detail below with reference to exemplary embodiments shown in the drawing. Show it:
• Figure 1 is a view through the opening side of a helmet according to the invention on its inside
• Figure 2 is a vertical section through the helmet of Figure 1 in the area of the front attachment points
• FIG. 3 shows a representation according to FIG. 2 for a variant
• Figure 4 is an enlarged view of a fastening part for the carrier basket
• FIG. 5 shows a sectional illustration of a fastening of the fastening part to a bolt screwed into the helmet cap
• FIG. 6 views of a first exemplary embodiment of a fastening part that can be used on the rear of the helmet according to FIG. 1
• FIG. 7 views of a fastening part which can be used at lateral fastening points
• Figure 8 is a view of a fastening part for a chin strap.
• FIG. 1 shows an outer helmet cap 1, on the inside of which a carrying basket 2 is fastened as part of the interior with the aid of three fastening means 3.
• Two of the fastening means 3 are located in the temple area on both sides of the helmet cap 1, the third fastening means 3 in the center on the back.
• the carrier basket consists of a central ring arrangement 4, from which a plurality of bands 5 extend radially.
• the radially stretched bands 5 are connected to one another by connecting bands 6.
• the radial bands 5 open into a head band 7 which, in the normal wearing state, runs approximately horizontally around the head of the helmet wearer.
• the radial bands 5, the connecting bands 6 and the head band 7 are provided with hollow knobs 8, by means of which the carrying basket 2 rests on the inside of the helmet cap 1.
• the pretension required for this is achieved by the suitable position of the fastening means 3 and is effective because the support basket 2, which is preferably formed from plastic, has its own dimensional stability.
• the knobs 8 are formed from the material of the carrying basket 2 and can be plastically deformed by higher pressures, so that impact or impact energy is absorbed by the knobs 8 due to the plastic deformation.
• FIG. 1 also shows that some of the knobs 8, for example in the area of the ear curvature of the helmet cap 1, do not lie against the inside of the helmet cap. However, this applies to most of the knobs 8, so that the carrying cage, as a whole, bears against the inside of the helmet cap 1 under pre-tensioning due to the pre-tension applied by the fastening means 3.
• FIG. 2 illustrates that the carrying basket 2 has fastening parts 9 which, together with a bolt 10 screwed into the helmet cap 1, form the fastening means 3.
• the fastening part 9 is formed in the form of an L-shaped angle on the support cage 2 and partially engages around a part of the bolt 10 which projects inwards from the helmet cap 1.
• a lateral limitation for the fastening part 9 results from a bolt head 11 which is arranged at the free end of the bolt 10 and which holds the fastening part 9 in position.
• the bolt 10 also carries a fastening device 12 for a chin strap 13, which thus on the bolt 10 of the two lateral fastening medium 3 is attached.
• FIG. 3 shows an embodiment variant of the arrangement according to FIG. 2, in which the fastening part 9 'is riveted to the carrier basket 2 by a rivet 14 and can therefore be made of a different material than the carrier basket 2. In this way, if necessary, a higher dimensional stability of the fastening parts 9 'can be achieved.
• FIG. 4 shows a section according to FIG. 2 (FIG. 4b) and a top view of the fastening part 9.
• the fastening part is bent into an L-shape and forms a flat fork arrangement 15 lying parallel to the inside of the helmet cap 1 with a receiving chamber 16 and an insertion slot 17, which is designed as a conical taper to the receiving chamber.
• the diameter of the receiving chamber 16 corresponds to the outer diameter of the bolt 10 protruding from the helmet cap 1, which can be pressed into the receiving chamber 16 by the constriction 17 in the direction of arrow A in FIG. 4 and is held there in a snap connection.
• FIG. 5 illustrates that the bolt 10 is composed of a flat-head screw 18 and a sleeve 19.
• the bolt 10 is therefore fastened by screwing the flat-head screw 18 to the sleeve 19, which in the exemplary embodiment shown is on the inside of the helmet cap 1 is positioned by the fastening part 12 of the chin strap 13 which is snapped into a groove 20.
• FIG. 6 shows two specific embodiments of fasteners 9 '' and 9 '' '.
• the fastening piece 9 ′′ shown in FIG. 6 is used in the exemplary embodiment according to FIG. 1 as fastening means 3 at the rear end of the helmet cap 1.
• the fastening part 9 ′′ has a height which corresponds to the height of adjacent knobs 8 (FIG. 6b), so that the surface of the fastening part 9 ′′ facing the helmet cap 1 is in relation to the top of the knobs 8 the inside of the helmet 1 is approximately aligned.
• FIG. 6a shows that the fastening part 9 ′′ has the receiving chamber 16 and a slit forming the constriction 17, into which the bolt 10 can be inserted after an excessive preload has been produced, the preload of the carrying basket 2 partially relaxing again .
• FIG. 6c illustrates that in the fastening part 9 ′′ receiving chamber 16 and slot 17 are part of a groove 21 with a T-shaped cross section, the T-shaped widening 22 of the groove 21 serving to guide the bolt head 11.
• FIG. 7 shows a further embodiment of a fastening part 9 ′′ ′′, which does not differ from the fastening part 9 ′′ with respect to the receiving chamber 16, the slot 17 and the T-shaped groove 21.
• this embodiment corresponds to the angular configuration of the fastening part 9 according to FIG. 2, the height of the fastening part 9 '''being somewhat lower than the height of an adjacent knob 8, because in addition to the fastening part 9''''The fastening piece 12 for the chin strap is also applied to the bolt 10.
• the height difference between the fastening part 9 '''and the bolt 8 is therefore somewhat filled by the strength of the fastening part 12 for the chin strap 13.
• a fastening part 12 for a chin strap 13 is shown in FIG.
• This has a receiving chamber 23 corresponding to the receiving chamber 16 for the bolt 10.
• the receiving chamber 23 is connected via a constriction 24 to an insertion opening 25, the diameter of which is larger than the diameter of the bolt head 11, so that the bolt head 11 can be inserted through the insertion opening 25, whereupon the bolt can be snapped into the receiving chamber 23 via the constriction 24.
• the chin strap 13 can thus be hung in a latching manner via the bolt 10.
• the direction of movement of the fastening part 12 relative to the bolt for the assembly of the chin strap 13 is indicated by the arrow B in FIG.
• the design of the fastening devices 3 with a bolt 10 and a fork arrangement 15 makes the pretensioning of the carrying basket 2 relative to the helmet cap 1 not only not a hindrance for the fastening, but for the stability of the fastening is used, whereby for mounting the fastening device 3, the carrying basket 2 must be pressed into an excessively large pretension, from which it presses partially in a relaxing manner into the fork arrangement 15 and is closed there under pretension on the opposite slot 17 ⁇ its end of the receiving chamber 16 abuts.

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• Helmets And Other Head Coverings (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=7795253

Family Applications (1)

Country Status (8)

Families Citing this family (5)

Family Cites Families (9)

• 1996
  • 1996-05-24 DE DE19621004A patent/DE19621004C2/de not_active Expired - Fee Related
• 1997
  • 1997-05-23 DE DE29780370U patent/DE29780370U1/de not_active Expired - Lifetime
  • 1997-05-23 EP EP97926965A patent/EP0840558B1/fr not_active Expired - Lifetime
  • 1997-05-23 AT AT97926965T patent/ATE211364T1/de not_active IP Right Cessation
  • 1997-05-23 AU AU31640/97A patent/AU3164097A/en not_active Abandoned
  • 1997-05-23 PT PT97926965T patent/PT840558E/pt unknown
  • 1997-05-23 DE DE59706090T patent/DE59706090D1/de not_active Expired - Fee Related
  • 1997-05-23 DK DK97926965T patent/DK0840558T3/da active
  • 1997-05-23 ES ES97926965T patent/ES2169396T3/es not_active Expired - Lifetime
  • 1997-05-23 WO PCT/DE1997/001060 patent/WO1997045032A1/fr active IP Right Grant

Non-Patent Citations (1)

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