EP0393238A1 - Casque de protection destiné à l'usage de motocyclistes ou similaires - Google Patents

Casque de protection destiné à l'usage de motocyclistes ou similaires Download PDF

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Publication number
EP0393238A1
EP0393238A1 EP89116823A EP89116823A EP0393238A1 EP 0393238 A1 EP0393238 A1 EP 0393238A1 EP 89116823 A EP89116823 A EP 89116823A EP 89116823 A EP89116823 A EP 89116823A EP 0393238 A1 EP0393238 A1 EP 0393238A1
Authority
EP
European Patent Office
Prior art keywords
helmet
air
pump
motorcycle
cushion
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
EP89116823A
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German (de)
English (en)
Other versions
EP0393238B1 (fr
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.)
Scheuring Uwe
Original Assignee
Scheuring Uwe
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 Scheuring Uwe filed Critical Scheuring Uwe
Priority to EP89116823A priority Critical patent/EP0393238B1/fr
Priority to DE89116823T priority patent/DE58907115D1/de
Priority to AT89116823T priority patent/ATE101982T1/de
Publication of EP0393238A1 publication Critical patent/EP0393238A1/fr
Application granted granted Critical
Publication of EP0393238B1 publication Critical patent/EP0393238B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A42B3/10—Linings
    • A42B3/12—Cushioning devices
    • A42B3/121—Cushioning devices with at least one layer or pad containing a fluid
    • A42B3/122—Cushioning devices with at least one layer or pad containing a fluid inflatable
    • 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

Definitions

  • the adjustable-air-helmet helmet described herein differs from the current helmet by an additional simple pneumatic system that improves safety helmets, particularly any type of motorcycle helmets, in terms of both safety and, above all, comfort.
  • Figure 1 shows the non-scale longitudinal section of the air-cushioned helmet; Textile fabric (4) and air cushion bag (3) are drawn in relation to the thickness of the remaining helmet parts enlarged.
  • Figure 2 explains the structure of the pneumatics with pump (5), air bag (3), blocking valve (7) and regulating drain valve (6).
  • the system includes an air bag (3), which is located under the textile inner layer (4) of the helmet and a manual air pump (5) and also a manually operated vent valve (6); the last two are in the chin housed area.
  • the individual pneumatic components are connected to each other by hose lines.
  • the helmet is put on in the vented state, then the airbag can be inflated by means of a thumb pump by means of an air pump until a comfortable air cushion forms in the bag (3) between the head and the helmet. Before removing the vent valve (6) is switched and so the air bag (3) emptied to normal air pressure. Otherwise, the helmet corresponds to the prior art: di a solid plastic outer shell (1) and embedded therein the Stoßdämpfmaterial (2).
  • the advantages of the invention are the higher comfort - wg. larger contact surface between helmet and head, thus less pressure on individual head parts (temples, ears); - by easier putting on and taking off the ventilated helmet, especially for spectacle wearers; and greater security - wg. lower risk of violent motorcycle helmet removal in the event of a fall by the impact force (9): first, because of better fit helmet / head; second, because the expansion (8) of the air cushion bag counteracts pushing down of the helmet; - As a vented air cushion helmet fails in the internal dimensions larger and so an injured can be easily removed; - due to more even force distribution on the head, in case of fall, through larger contact surface helmet / head.
  • Figure 3 shows the behavior of the air cushion bag (3) when force (9) in the forehead area and pump (5).
  • the helmet surface is about 600 [cm ⁇ 2]. If one differentiates between favorable zones where the helmet rests on a large area (top of the head, back of the head, forehead) and problem areas where the conventional helmet has only small support surfaces (ears, temples, neck), then one arrives at about 400 [cm ⁇ 2] cheap and about 200 [cm ⁇ 2] problematic zones. If the difficult head sections are padded with 6 [mm] air layer and the simpler ones with 2 [mm], the total air volume in the bag is around 200 [cm ⁇ 3]. This value may of course vary according to the design of the helmet and the head shape; he may go this way as the upper benchmark for the structural design of the individual system components.
  • an air cushion suffices with one average thickness of one millimeter, in order to increase the support surface of the helmet at the head many times and thus significantly reduce the pressure on particularly stressed head areas.
  • the pressure fluctuations in the bag due to occurring temperature differences, at 30 [degrees C] after all about 10 [%], are compensated by pumping or venting by hand, as far as they were not compensated by alone by corresponding volume changes of the airbag.
  • the size and thus the performance of the pump are limited by the space available in the chin guard of the helmet; 40 [cm ⁇ 3] delivery volume per pumping interval, however, are quite feasible, so that the pumping takes only a few seconds.
  • He (3) may consist of one piece or of several individual parts which are connected by hose lines. With appropriate execution in the chin area, - the bag (3) engages under the jaw partially - can be dispensed with a usual chin strap. Apart from airtightness and sufficient permanent elasticity hardly any requirements are placed on the material of the airbag, since the mechanical loads are low. However, much depends on the modulus of elasticity of the material used (rubber, rubber): if it deforms too easily, no pressure can be built up, instead the bag swells under the helmet; If the airbag is too difficult to deform elastically, you will hardly achieve any comfort advantages over the normal helmet, because then, despite high pressure, the airbag does not adequately adapt to the contour of the head.
  • the bag against abrasion, the bag is protected to the head with a textile fabric (4). Areas of the head under whose skin there are larger veins (parts of the temples, in front of and below the ears, parts of the neck) may either not be covered by the airbag, - for medical reasons - or, better, the sack is designed to fit has a sufficient depression in these places.
  • Figure 4 shows hatched areas on the head, which are air-cushioned (10).
  • valve (7) between air bag (3) and pump (5) opens by pressurizing the pump; In order to be able to dose the pressure in the bag sufficiently finely, the valve must switch safely even at a slight overpressure (at approx. 10 ⁇ 3 [Pa] pressure difference between valve inlet and outlet). In the direction of the pump, the valve (7) is of course not permeable.
  • Another valve (6) is used for complete venting of the airbag, - to remove the helmet - as well as the partial venting, - to fine adjustment. Since for the latter small pressures must be controllable, on the other hand, the complete venting should proceed as quickly as possible to normal air pressure, the valve is designed at least two stages (eg as a button: touched with a light touch finger -> fine adjustment, button with stronger finger pressure actuated -> total ventilation) ,
  • valve (6) and (7) which at a maximum allowable pressure of about 1.2 * 10 ⁇ 5 + - 10 ⁇ 4 [Pa] opens automatically, or, in order to get along with as few components, you designed the existing air release valve (6) so that it bez the safety function. too high pressure to be able to take over.
  • venting valve for the pump body corresponds in design around valve (7), it would be in the design scheme before the pump and opens by the pressure difference, normal air pressure vacuum pump body, only in the direction of the pump.
  • a built-in helmet airbag (3) - he forms with a textile layer (4) the interface helmet / head and Serves for comfort and safety - is inflated by a pump until the helmet contour adapts comfortably to the head.
  • a pump in the right and left chin guard is actuated by pivoting two laterally foldable chin brackets (12) (13), since the two pump pistons (19) sit at the opposite ends of a common, flexible push rod (15).
  • Figure 5 shows the chin guard halves (12) (13), as they are rotatably mounted on the two hinges (11) (14), enclose the lower jaw from below and thus replace a chin strap.
  • the Chinuntermatide part can be formed by the air cushion bag.
  • the conventional one-piece chin guard of a full-face motorcycle helmet is split symmetrically into right and left halves, and each half (12 (13)) is laterally pivotally attached to the helmet by hinge (11) (14). To put the helmet on and off the two bracket halves are folded away sideways; After putting them are pivoted toward each other and locked there.
  • Figure 7 shows a longitudinal section through the side flank of the right chin guard (13) with pump, without chin support.
  • each piston (19), in the hollow body moves in the direction of the helmet, whereby air from the hollow body into the air bag (3) passes.
  • the piston describes a slight curved path, the piston skirt must have only a small contact surface, also the piston must have a tilting play to the push rod (15) - longitudinal axis.
  • the pump pistons each sit at one end only a common connecting rod (15), so that the pistons experience a relative movement to the surrounding hollow body when folding the two chin guard halves.
  • the connecting rod consists of a sufficiently kink-resistant glass fiber / plastic rod.
  • the airbag is inflated or vented only by closing or opening the chin guard.
  • the individual adjustment of the volume of air pumped can be done via a change in length of the glass fiber connecting rod.
  • the two front plugs (17) of the pump body with closed chin straps, sealed by a soft seal (16) at its common abutment surface to the outside.
  • the ventilation of the pump hollow body when opening the helmet is done via the push rod hole of the front threaded plug (17), which is no longer sealed with unlocked chin straps.
  • the pump body are embedded between the helmet outer shell (1) and the lower jaw padding (20); they may be circular in cross section; However, to achieve better space utilization, and thus higher pumping volumes, an elongated rectangular profile is recommended.
  • a pressure fine adjustment valve (6) and a one-way shut-off valve (7) can be installed between the pump and the air bag.
  • Figure 2 explains the construction scheme with regulating valve (6) and blocking valve (7).
  • the invention has a textile layer (24), which is only loosely connected to the underlying shock absorber layer (2).
  • a textile layer In the front and back area, at the front of the helmet, flows through the airstream, via an inlet nozzle (23) air between the textile layer and the shock absorber layer, which is derived at the back of the helmet; This creates a dynamic air cushion.
  • the textile layer should be slightly air and water vapor permeable; This makes air and evaporative cooling under the helmet effective.
  • the helmet If the air inlet opening (23) is correspondingly large in relation to the air outlet opening (25), the helmet, with sufficiently fast travel, lifts itself away from the head due to the back pressure of the airstream, so that an air cushion effect also comes into effect here.
  • the incoming air is passed over, in cross-section controllable, inlet slots (23) and, via channels or free-flowing, under the thin textile layer (24) which allows a climate change, directed to the helmet backside and passes from there under the helmet (25).
  • the textile layer (24) is most advantageously made of a composite of thin cotton or silk, on the head side, - To dissipate the sweat -, and an overlying, finely perforated, thin plastic film whose pores, tapering, in the flow direction of the air flow show. Also GORETEX (registered trademark), in accordance with permeable design, can be used as a textile layer.
  • Figure 6 shows the principle of the flowing, air-conditioning air cushion with air inlet slots (23), porous textile lining (24), air outlet opening (25) and the flow direction of the air flow.
EP89116823A 1989-09-12 1989-09-12 Casque de protection destiné à l'usage de motocyclistes ou similaires Expired - Lifetime EP0393238B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP89116823A EP0393238B1 (fr) 1989-09-12 1989-09-12 Casque de protection destiné à l'usage de motocyclistes ou similaires
DE89116823T DE58907115D1 (de) 1989-09-12 1989-09-12 Motorrad- und ähnliche Schutzhelme.
AT89116823T ATE101982T1 (de) 1989-09-12 1989-09-12 Motorrad- und aehnliche schutzhelme.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89116823A EP0393238B1 (fr) 1989-09-12 1989-09-12 Casque de protection destiné à l'usage de motocyclistes ou similaires

Publications (2)

Publication Number Publication Date
EP0393238A1 true EP0393238A1 (fr) 1990-10-24
EP0393238B1 EP0393238B1 (fr) 1994-03-02

Family

ID=8201882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89116823A Expired - Lifetime EP0393238B1 (fr) 1989-09-12 1989-09-12 Casque de protection destiné à l'usage de motocyclistes ou similaires

Country Status (3)

Country Link
EP (1) EP0393238B1 (fr)
AT (1) ATE101982T1 (fr)
DE (1) DE58907115D1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4133222C1 (en) * 1991-10-07 1992-10-15 F. M. Fallert Motor Gmbh & Co, Motorrad-Sport Kg, 7590 Achern, De Mfg. body fitting crash helmet cushion - applies deformable lining along cushioned body part, with external, longitudinal protrusions
WO1993001732A1 (fr) * 1991-07-19 1993-02-04 Frank Anthony Matich Systeme de fixation pour casque
DE4206684A1 (de) * 1992-03-04 1993-09-09 Kalman Gyoery Hydrodynamische stossdaempfungseinlage fuer schutzhelme
EP0565617A1 (fr) * 1990-12-31 1993-10-20 LAKIC, Nikola Doublure gonflable pour chaussures, gants, casques et elements de protection
WO1995025446A1 (fr) * 1994-03-22 1995-09-28 Sq Services Ag Casque de protection
EP0852917A1 (fr) * 1997-01-09 1998-07-15 The Burton Corporation Casque
WO2010092075A1 (fr) 2009-02-11 2010-08-19 Patrick Pedevilla Vêtement de protection du corps
WO2015128206A1 (fr) * 2014-02-25 2015-09-03 Weber Werner C Casque
CN112656080A (zh) * 2020-12-15 2021-04-16 中国矿业大学徐海学院 一种紧贴安全型电动车帽

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713640A (en) * 1970-07-27 1973-01-30 Riddell Energy absorbing and sizing means for helmets
US3866243A (en) * 1973-10-15 1975-02-18 Riddell Headgear with automatic sizing means
DE7518858U (de) * 1975-06-12 1976-10-07 Gyoery, Kalman, 3141 Garlsdorf Einsatz für Sicherheitshelme, insbesondere Motorradhelme
DE7729063U1 (de) * 1977-09-20 1977-12-29 Schuberth-Werk, 3300 Braunschweig Schutzhelm
US4115874A (en) * 1977-02-21 1978-09-26 Masahiro Hasegawa Helmet for use in riding vehicles
GB2087712A (en) * 1980-11-19 1982-06-03 Patents Eng Srl Protective helmet for the head with locking means
US4581776A (en) * 1985-07-26 1986-04-15 Harold Kie Motorcycle helmet
US4586200A (en) * 1984-03-26 1986-05-06 Poon Melvyn C Protective crash helmet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713640A (en) * 1970-07-27 1973-01-30 Riddell Energy absorbing and sizing means for helmets
US3866243A (en) * 1973-10-15 1975-02-18 Riddell Headgear with automatic sizing means
DE7518858U (de) * 1975-06-12 1976-10-07 Gyoery, Kalman, 3141 Garlsdorf Einsatz für Sicherheitshelme, insbesondere Motorradhelme
US4115874A (en) * 1977-02-21 1978-09-26 Masahiro Hasegawa Helmet for use in riding vehicles
DE7729063U1 (de) * 1977-09-20 1977-12-29 Schuberth-Werk, 3300 Braunschweig Schutzhelm
GB2087712A (en) * 1980-11-19 1982-06-03 Patents Eng Srl Protective helmet for the head with locking means
US4586200A (en) * 1984-03-26 1986-05-06 Poon Melvyn C Protective crash helmet
US4581776A (en) * 1985-07-26 1986-04-15 Harold Kie Motorcycle helmet

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0565617A1 (fr) * 1990-12-31 1993-10-20 LAKIC, Nikola Doublure gonflable pour chaussures, gants, casques et elements de protection
EP0565617A4 (en) * 1990-12-31 1993-12-29 Nikola Lakic Inflatable lining for footwear, gloves, helmets and shields
WO1993001732A1 (fr) * 1991-07-19 1993-02-04 Frank Anthony Matich Systeme de fixation pour casque
DE4133222C1 (en) * 1991-10-07 1992-10-15 F. M. Fallert Motor Gmbh & Co, Motorrad-Sport Kg, 7590 Achern, De Mfg. body fitting crash helmet cushion - applies deformable lining along cushioned body part, with external, longitudinal protrusions
DE4206684A1 (de) * 1992-03-04 1993-09-09 Kalman Gyoery Hydrodynamische stossdaempfungseinlage fuer schutzhelme
WO1995025446A1 (fr) * 1994-03-22 1995-09-28 Sq Services Ag Casque de protection
US5913412A (en) * 1994-03-22 1999-06-22 So Services Ag Protective helmet
EP0852917A1 (fr) * 1997-01-09 1998-07-15 The Burton Corporation Casque
US5915537A (en) * 1997-01-09 1999-06-29 Red Corp. Helmet
WO2010092075A1 (fr) 2009-02-11 2010-08-19 Patrick Pedevilla Vêtement de protection du corps
WO2015128206A1 (fr) * 2014-02-25 2015-09-03 Weber Werner C Casque
CN112656080A (zh) * 2020-12-15 2021-04-16 中国矿业大学徐海学院 一种紧贴安全型电动车帽

Also Published As

Publication number Publication date
DE58907115D1 (de) 1994-04-07
ATE101982T1 (de) 1994-03-15
EP0393238B1 (fr) 1994-03-02

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