EP3864988A1 - Ensemble casque de protection - Google Patents

Ensemble casque de protection Download PDF

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Publication number
EP3864988A1
EP3864988A1 EP21155333.4A EP21155333A EP3864988A1 EP 3864988 A1 EP3864988 A1 EP 3864988A1 EP 21155333 A EP21155333 A EP 21155333A EP 3864988 A1 EP3864988 A1 EP 3864988A1
Authority
EP
European Patent Office
Prior art keywords
ratchet
cover
knob
band
ratchet gear
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
EP21155333.4A
Other languages
German (de)
English (en)
Other versions
EP3864988B1 (fr
Inventor
Surya PASALA
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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 Honeywell International Inc filed Critical Honeywell International Inc
Priority to EP23198902.1A priority Critical patent/EP4272591A3/fr
Publication of EP3864988A1 publication Critical patent/EP3864988A1/fr
Application granted granted Critical
Publication of EP3864988B1 publication Critical patent/EP3864988B1/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
    • A42B3/10—Linings
    • A42B3/14—Suspension devices
    • A42B3/145—Size adjustment devices
    • 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
    • A42B3/08—Chin straps or similar retention devices

Definitions

  • Example embodiments of the present disclosure relate generally to head protection devices or protective headgears, and more particularly, to a ratchet assembly for head protection devices.
  • Protective headgears and hard hats are generally worn by users at industrial sites to protect the users from head injuries caused by falling objects or collisions with fixed objects at the sites.
  • the hard hats are provided with a band or strap that is adjustable and is used by the users to wear the hard hat.
  • Such bands are equipped with a buckle or a ratchet mechanism to secure the band around the users' heads.
  • the buckle or the ratchet mechanism becomes inefficient and tends to loosen unwantedly.
  • the illustrative embodiments of the present disclosure relate to a ratchet assembly for a head protection device.
  • the ratchet assembly includes a first cover and a ratchet gear.
  • the first cover defines an aperture therein and has at least one locking element disposed along the aperture.
  • the at least one locking element is movable from a first position to a second position in a radially outward direction based on an externally applied force.
  • the ratchet gear comprises a plurality of ratchet gear teeth disposed on an outer surface of the ratchet gear.
  • the ratchet gear is disposed within the aperture of the first cover and the at least one locking element of the first cover is engaged with at least one of the plurality of ratchet gear teeth of the ratchet gear.
  • the at least one locking element engages with the at least one of the plurality of ratchet gear teeth, such that the at least one locking element restricts rotation of the ratchet gear in at least one direction and allows rotation of the ratchet gear in another direction. In moving from the first position to the second position, the at least one locking element disengages with the at least one of the plurality of ratchet gear teeth.
  • the ratchet assembly comprises a second cover having a protrusion and the first cover is disposed on the protrusion.
  • the first cover and the second cover in a coupled state define a cavity.
  • the cavity is configured to receive a band comprising a plurality of band teeth.
  • the ratchet gear comprises a plurality of pinion gear teeth.Each of the plurality of pinion gear teeth is engaged with at least one of the plurality of band teeth of the band, such that rotation of the ratchet gear tightens or loosens the band during operation.
  • the ratchet assembly comprises a knob, wherein the knob comprises a plurality of knob gears disposed on an interior of the knob.
  • the at least one locking element comprises a ratchet lock and an unlocking rib
  • the ratchet lock comprises a ramped surface and is engaged with the at least one of the plurality of ratchet gear teeth of the ratchet gear.
  • the unlocking rib protrudes outwardly from the first cover.
  • a ratchet assembly for a head protection device.
  • the ratchet assembly comprises a first cover, a ratchet gear, and a knob.
  • the first cover defines an aperture and comprises at least two locking elements disposed along the aperture.
  • the at least two locking elements are positioned diametrically opposite to each other.
  • Each of the at least two locking elements includes a ratchet lock and an unlocking rib.
  • the ratchet gear comprises a plurality of ratchet gear teeth and the ratchet gear is disposed within the aperture of the first cover.
  • the ratchet lock of each of the at least two locking elements is engaged with at least one of the plurality of ratchet gear teeth of the ratchet gear.
  • the knob is disposed on the ratchet gear.
  • the knob comprises a plurality of knob gears.
  • the unlocking rib of each of the at least two locking elements is engaged with at least one of the plurality of knob gears.
  • the unlocking rib of each of the at least two locking elements is movable from a first position to a second position in a radially outward direction based on an externally applied force.
  • the externally applied force may be exerted by the at least one of the plurality of knob gears in response to a user rotating the knob in a direction.
  • the ratchet cover further comprises a second cover having a protrusion, and the first cover is disposed on the protrusion of the second cover.
  • the first cover and the second cover define a cavity to receive a band.
  • the band comprises a plurality of band teeth.
  • the ratchet gear comprises a plurality of pinion gear teeth, and each of the plurality of pinion gear teeth is configured to engage with at least one of the plurality of band teeth of the band.
  • the knob comprises a plurality of engagement protrusions for a user to grip.
  • each of the plurality of ratchet gear teeth comprises a ramped surface, such that a lower portion of the ramped surface of a ratchet gear tooth abuts a higher portion of the ramped surface of a subsequent ratchet gear tooth.
  • a head protection device comprising a first cover, a ratchet gear, and a knob.
  • the first cover defines an aperture and has at least one locking element along the aperture.
  • the at least one locking element is movable from a first position to a second position in a radially outward direction based on an externally applied force.
  • the ratchet gear comprises a plurality of ratchet gear teeth disposed on an outer surface of the ratchet gear, wherein the ratchet gear is disposed within the aperture of the first cover.
  • the knob comprises a plurality of knob gears disposed on an interior of the knob. In an example, the knob is disposed on the ratchet gear.
  • the at least one locking element of the first cover is engaged with at least one of the plurality of ratchet gear teeth of the ratchet gear and at least one of the plurality of knob gears of the knob.
  • the head protection device comprises a second cover having a protrusion, wherein the first cover is disposed on the protrusion.
  • the at least one locking element comprises a ratchet lock and an unlocking rib.
  • the ratchet lock comprises a ramped surface and is engaged with the at least one of the plurality of ratchet gear teeth of the ratchet gear, and the unlocking rib protrudes outwardly from the first cover.
  • the unlocking rib is engaged with at least one of the plurality of knob gears of the knob.
  • the unlocking rib is engaged with the at least one of the plurality of knob gears such that rotation of the knob in a direction causes the unlocking rib to move to a second position from a first position in a radially outward direction.
  • each of the plurality of ratchet gear teeth comprises a ramped surface, such that a lower portion of the ramped surface of a ratchet gear tooth abuts a higher portion of the ramped surface of a subsequent ratchet gear tooth.
  • the knob comprises a plurality of engagement protrusions for a user to grip the knob.
  • safety helmets are preferably required to help ensure the safety of workers in dangerous conditions.
  • some existing safety helmets may not fit the user correctly or consistently, in some examples, but not limited to, during emergency incidents, due to various reasons, including improper placement, unbuckling or loose buckling of a chin strap, a loosened headband and/or the like.
  • ratcheting means can loosen during an operation due to a mechanical failure, thereby leading to safety risk.
  • failures may be based on defects, wear and tear, and/or the like.
  • Various example embodiments described in the present disclosure relate to a head band and a ratcheting mechanism of the head band to allow for a user to easily tighten the ratcheting mechanism while also resisting loosening of straps of the head band during the operation.
  • FIGS. 1A-1C illustrate various exterior views of a ratchet assembly 100 in accordance with an example embodiment of the present disclosure.
  • the ratchet assembly 100 may include a knob 110 and a band housing (e.g., a first cover 120 snap-fit to a second cover 130).
  • the knob 110 may be configured to allow a user to tighten or loosen the ratchet assembly 100.
  • the knob 110 may be shaped such that the user could easily operate the knob 110.
  • the knob 110 may have a plurality of engagement protrusions 140 to allow for a user to grip the knob 110.
  • the knob 110 may have five engagement protrusions 140.
  • the knob 110 is operably coupled with the ratchet gear 170 (shown in FIG. 3A-3C ), as discussed in more detail below.
  • the first cover 120 and the second cover 130 are configured to engage with one another (e.g., via snap-fitting) to form the band housing.
  • the band housing may define a unitary piece (e.g., the first cover 120 and the second cover 130 may be formed out of a single piece of material).
  • the band housing e.g., the first cover 120 and the second cover 130
  • the band cavity may be configured to receive a band (e.g., a head band 150), as discussed in more detail (shown in FIG. 2A ).
  • a band e.g., a head band 150
  • two ends of the band 150 may be placed in the band cavity such that the ratchet assembly 100 is configured to loosen and/or tighten the band 150 such that the band 150 may fit snugly with various shaped heads.
  • the ratchet assembly 100 may be installed on the band 150.
  • the second cover 130 may define a protrusion 210.
  • the protrusion 210 extends outwardly through a plurality of band teeth 220 of the band 150 (e.g., through both band end 150A and head band end 150B).
  • the first cover 120 may be coupled to the second cover 130, such that the band 150 may be sandwiched therebetween.
  • the band 150 may pass through the band cavity defined between the first cover 120 and the second cover 130.
  • the ratchet gear 170 may be disposed on the protrusion 210.
  • the knob 110 may also be disposed on the protrusion 210 and configured to engage with the ratchet gear 170.
  • the engagement of the knob 110 with the protrusion 210 may secure the knob 110 to the ratchet assembly 100 and cause the ratchet assembly 100 to stay a unitary piece.
  • the ratchet gear 170 may define one or more ratchet gear teeth 320 configured to be received by the band teeth 220 of the band 150.
  • the band 150 may define two ends 150A, 150B, configured to be received between the band housing (e.g., first cover 120 and second cover 130).
  • the ratchet gear teeth 320 of the ratchet gear 170 rotates, the two ends 150A, 150B of the head band 150 may be configured to either enlarge or reduce the circumference of the band 150. For example, in an instance in which the ratchet gear 170 rotates clockwise, the amount of overlap between the two ends 150A, 150B may increase.
  • the increase in the overlap causes the band circumference to reduce (e.g., the head band 150 is tightened).
  • the ratchet gear 170 rotates counterclockwise, the overlap of the two ends 150A, 150B of the band 150 may be reduced. Therefore the band circumference may be increased (e.g., the head band 150 is loosened).
  • the first cover 120 may define at least one locking element (e.g., locking elements 410A, 410B) configured to engage with one or more ratchet gear teeth 320 of the first cover 120 of the ratchet gear 170, as discussed with reference to FIG. 4A below.
  • the rotational movement of the ratchet gear 170 may be restricted in a direction via the engagement of the locking elements 410A, 410B of the first cover 120, and the ratchet gear teeth 320 of the ratchet gear 170.
  • the ratchet gear teeth 320 may be disengaged from the locking elements 410A, 410B of the first cover 120 based on the rotation of the knob 110 due to the interaction between a plurality of knob gears 310 and at least one unlocking rib (e.g., unlocking ribs 440A, 440B) of the locking elements 410A, 410B, as shown in FIGS. 4A-4C .
  • unlocking ribs 440A, 440B unlocking ribs 440A, 440B
  • FIG. 3A illustrates the knob 110 of the ratchet assembly 100, in accordance with an example embodiment.
  • the knob 110 includes the plurality of knob gears 310.
  • each knob gear of the plurality of knob gears 310 may be spaced equally from one another.
  • the same number of knob gears 310 may be provided as the number of ratchet gear teeth 320 provided on the ratchet gear 170, as shown in FIG. 3B .
  • the knob 110 may comprise a knob aperture 330 configured to engage with the protrusion 210 of the second cover 130.
  • the knob 110 may be configured for a user to rotate via engagement protrusions 140, as shown in FIG. 1A .
  • the number of engagement protrusions 140 provided may be based on the desired gripping characteristics. For example, as shown in FIG. 1A , the knob 110 may have five engagement protrusions 140.
  • the knob 110 is configured with one or more keys 340.
  • the knob 110 is configured with three keys 340A, 340B, and 340C spaced equally from one another.
  • the keys 340 of the knob 110 interact with spacings 350 (shown in FIG. 3B ) for coupling the knob 110 to the ratchet gear 170.
  • the key 340A is disposed within the spacing 350A
  • the key 340B is within the spacing 350B
  • the key 340C is within the spacing 350C.
  • the ratchet gear 170 is configured with a ratchet aperture 360.
  • the ratchet aperture 360 allows the receiving of the protrusion 210.
  • the ratchet gear 170 also has a plurality of pinion gear teeth 370.
  • the plurality of pinion gear teeth 370 is aligned along the ratchet aperture 360 and is configured to mate with the plurality of band teeth 220 on the band 150.
  • the plurality of pinion gear teeth 370 is engaged with the plurality of band teeth 220 such that the rotation of the ratchet gear 170 allows movement of the band 150 for tightening or loosening the band 150.
  • Each pinion gear tooth of the plurality of pinion gear teeth 370 is spaced equally from each other.
  • FIG. 3C illustrates the engagement between the knob 110 of FIG. 3A and the ratchet gear 170 of FIG. 3B , in accordance with an example embodiment.
  • the ratchet gear 170 may be disposed under the knob 110.
  • the knob 110 may have one or more keys 340A-340C that are configured to engage with the ratchet gear 170.
  • the ratchet gear 170 may be configured to engage with the band housing (e.g., first cover 120 and the second cover 130).
  • the ratchet gear 170 may be configured with a plurality of ratchet gear teeth 320 and a plurality of pinion gear teeth 370.
  • FIG. 4A illustrates the first cover 120 having locking elements 410A, 410B in accordance with an example embodiment.
  • the first cover 120 has an aperture 420 to receive the ratchet gear 170 during assembly of the ratchet assembly 100.
  • the locking elements 410A and 410B are aligned along the aperture 420.
  • the first cover 120 may have more than two locking elements 410A, 410B.
  • the locking elements 410A and 410B are positioned at diametrically opposite positions along the aperture 420.
  • the locking elements 410A and 410B are configured to engage with at least one of the plurality of ratchet gear teeth 320 of the ratchet gear 170.
  • Each locking element 410A and 410B comprises a ratchet lock and an unlocking rib.
  • the locking element 410A comprises ratchet lock 430A and unlocking rib 440A
  • the locking element 410B comprises ratchet lock 430B and unlocking rib 440B.
  • the ratchet locks 430A and 430B comprise a ramped surface 450 having one lower end and another higher end.
  • the unlocking ribs 440A and 440B protrude outwardly from the first cover 120 and are configured to engage with one of the plurality of knob gears 310 of the knob 110.
  • FIGS. 4B-4C illustrate the interaction of the first cover 120 of FIG. 4A and a ratchet gear 170 of the ratchet assembly 100.
  • Each ratchet gear tooth of the plurality of ratchet gear teeth 320 comprises a ramped surface 450 such that the lower portion of the ramped surface 450 of the ratchet gear tooth abuts a higher portion of the ramped surface 450 of the ratchet gear tooth.
  • the ratchet lock 430A, 430B and the ratchet gear tooth are engaged in a manner that the higher portion of the ramped surface 450 of the ratchet lock 430A, 430B engages with the higher portion of the ramped surface 450 of a subsequent ratchet gear tooth.
  • the ratchet gear 170 is configured to rotate in one direction, for example, in a clockwise direction, and is restricted to move in the opposite direction, for example, in a counterclockwise direction when the ratchet locks 430A and 430B are engaged with the ratchet gear teeth 320 of the ratchet gear 170.
  • the higher portion of the ramped surface of the ratchet lock 430A is pushed against the higher portion of the ramped surface of a subsequent ratchet gear tooth to restrict the movement in the counterclockwise direction.
  • the restriction of the ratchet gear 170 due to the interaction between the ratchet gear teeth 320 and the ratchet locks 430A and 430B may restrict the movement of the ratchet gear teeth 320 and the plurality of band teeth 220 on the band 150.
  • the ratchet gear teeth 320 may also be restricted from rotating counterclockwise, such that the band 150 cannot be loosened until tooth protrusion(s) of the ratchet gear teeth 320 are disengaged from the locking elements 410A, 410B (e.g., via a user rotating the knob 110).
  • the ratchet assembly 100 may be configured such that rotation direction of the knob 110 and ratchet gear 170 in which the tooth protrusions of the ratchet gear teeth 320 engage with the locking element 410A, 410B (e.g., the counterclockwise direction) may be the rotational direction for loosening the band 150.
  • the engagement of the tooth protrusions of the ratchet gear teeth 320 and the locking element 410A, 410B may be configured to be overcome with sufficient rotational force.
  • a user may be able to rotate the knob 110 in the loosening direction (e.g., counterclockwise) with sufficient force to overcome the engagement force between the tooth protrusions of the ratchet gear teeth 320 and the ratchet locks 430A and 430B of the locking elements 410A and 410B, such that the ratchet gear teeth 320 may disengage from the ratchet locks 430A and 430B and rotate to allow the ratchet assembly 100 to loosen the band 150.
  • the loosening direction e.g., counterclockwise
  • the unlocking ribs 440A and 440B interact with the plurality of knob gears 310 such that when the knob 110 is rotated in counterclockwise direction with sufficient force, then the plurality of knob gears 310 exert a force on the unlocking ribs 440A and 440B to bend the unlocking ribs 440A, 440B in a radially outward direction.
  • the bending of the unlocking ribs 440A and 440B in an outward direction disengages the ratchet locks 430A and 430B from the tooth protrusions of the ratchet gear teeth 320.
  • each locking element 410A and 410B is movable between a first position and a second position.
  • the ratchet lock 430A, 430B is engaged with one of the plurality of the ratchet gear teeth 320, such that the ratchet lock 430A, 430B allows rotation of the ratchet gear 170 in one direction and restricts the rotation in another direction.
  • the knob gears 310 exert a force on the unlocking rib 440A, 440B in a radially outward direction to move to the second position.
  • the ratchet lock 430A, 430B disengages with the at least one ratchet gear tooth of the ratchet gear teeth 320 to allow rotation of the ratchet gear 170 in the counterclockwise direction and loosen the band 150.
  • FIG. 5A illustrates the plurality of band teeth 220 on the band 150 in accordance with an example embodiment.
  • the band 150 comprises two bands, 510A and 510B.
  • Each band comprises a plurality of band teeth 220.
  • Each of the band teeth 220 of the bands 510A and 510B is configured to engage with the plurality of pinion gear teeth 370 of the ratchet gear 170 during rotation of the ratchet gear 170 for loosening or tightening of the band 150.
  • the band 150 is inserted within the band housing (e.g., the first cover 120 and the second cover 130).
  • FIGS. 5B-5D illustrate the interaction of the pinion gear teeth 370 of the ratchet gear 170 and the plurality of band teeth 220 on the band 150, in accordance with an example embodiment. As shown, each pinion gear tooth of the ratchet gear 170 mates with each tooth of the plurality of band teeth 220 when the ratchet gear 170 is rotated in a direction.
  • the knob 110 when the knob 110 is rotated in the clockwise direction causing the ratchet gear 170 to also rotate in the clockwise direction, the bands 510A and 510B move towards each other, and the overlap increases thereby tightening the band 150.
  • the ratchet gear 170 is rotated in the counterclockwise direction, the bands 510A and 510B move away from each other in opposite directions to loosen the band 150.
  • FIGS. 6A-6D illustrate various views of the second cover 130 used in the ratchet assembly 100 in accordance with an example embodiment.
  • the second cover 130 may be configured with a curved shape, such as to engage a user's head more effectively and/or comfortably.
  • the second cover 130 may include a plurality of snap-fits 600 configured to operably couple the first cover 120 with the second cover 130.
  • the second cover 130 may include a plurality of gripping protrusions 610 extending towards the first cover 120 and configured to engage with the band 150 during operation (e.g., to assist in restricting any accidental movement of the bands during operation).
  • the second cover 130 may include the protrusion 210 configured to extend through the ratchet aperture 360, receive the ratchet gear 170, also secure the knob 110.
  • the knob 110 may be configured to snap-fit to the knob engagement protrusion 210, such that the non-rotational movement of the knob 110 is limited.
  • the band 150 may be configured to receive the protrusion 210, such that the band is held in the band cavity in part due to the protrusion 210.
  • the second cover 130 may define a surface ( FIG. 6C ) to engage with a user's head during operation.
  • FIG. 7 is a flow chart illustrating the method 700 for assembling the band housing in accordance with an example embodiment of the present disclosure.
  • the method 700 of assembling the band housing may include providing a first cover.
  • the first cover 120 comprises an aperture 420 and at least one locking element 410A, 410B.
  • the at least one locking element 410A, 410B is configured to engage with at least one of a plurality of ratchet gear teeth 320 of a ratchet gear 170 to restrict rotation of the ratchet gear 170 in at least one direction and allow rotation of the ratchet gear 170 in another direction.
  • the at least one locking element 410A, 410B is configured to move from a first position to a second position to disengage the at least one locking element 410A, 410B with the at least one of the plurality of ratchet gear teeth 320.
  • the method includes coupling a second cover to the first cover.
  • the second cover 130 may be coupled to the first cover 120.
  • the second cover 130 has a protrusion 210, wherein the first cover 120 is disposed on the protrusion 210.
  • the first cover 120 and the second cover 130 define a cavity to receive a band.
  • the band comprises a plurality of band teeth 220 configured to engage with a plurality of pinion gear teeth 370 of the ratchet gear 170.
  • the knob 110 and the keys 340 of the knob 110 rotate in the clockwise direction causing the ratchet gear 170 to rotate in the clockwise direction.
  • the pinion gear teeth 370 of the ratchet gear 170 cause the band 150 to tighten, at which point, the ratchet gear teeth 320 may engage with the locking element 410A, 410B, such that no unintended counterclockwise rotation may occur with a sufficient force, such that the band 150 is not loosened accidentally during operation.
  • the knob gears 310 cause the unlocking ribs 440A, 440B to bend outwards in a radially outward direction and the ratchet gear teeth 320 disengages with the ratchet lock 430A, 430B to allow the band 150 to loosen.
  • the user may turn the knob 110 in the counterclockwise direction until the knob gears 310 engage with the unlocking ribs 440A, 440B and exert the unlocking ribs 440A, 440B to move to the second position, such that the ratchet gear 170 rotates in the counterclockwise direction and the band 150 is loosened.
  • references within the specification to "one embodiment,” “an embodiment,” “embodiments,” or “one or more embodiments” are intended to indicate that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure.
  • the appearance of such phrases in various places within the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
  • various features are described which may be exhibited by some embodiments and not by others.
  • various requirements are described, which may be requirements for some embodiments, but not other embodiments.

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Package Frames And Binding Bands (AREA)
EP21155333.4A 2020-02-15 2021-02-04 Ensemble casque de protection Active EP3864988B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23198902.1A EP4272591A3 (fr) 2020-02-15 2021-02-04 Ensemble casque de protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN202011006628 2020-02-15

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP23198902.1A Division-Into EP4272591A3 (fr) 2020-02-15 2021-02-04 Ensemble casque de protection
EP23198902.1A Division EP4272591A3 (fr) 2020-02-15 2021-02-04 Ensemble casque de protection

Publications (2)

Publication Number Publication Date
EP3864988A1 true EP3864988A1 (fr) 2021-08-18
EP3864988B1 EP3864988B1 (fr) 2023-11-01

Family

ID=74553728

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23198902.1A Pending EP4272591A3 (fr) 2020-02-15 2021-02-04 Ensemble casque de protection
EP21155333.4A Active EP3864988B1 (fr) 2020-02-15 2021-02-04 Ensemble casque de protection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP23198902.1A Pending EP4272591A3 (fr) 2020-02-15 2021-02-04 Ensemble casque de protection

Country Status (3)

Country Link
US (1) US20210251329A1 (fr)
EP (2) EP4272591A3 (fr)
CN (1) CN113261739A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3869989A1 (fr) * 2018-10-24 2021-09-01 Stryker Corporation Ensemble casque chirurgical ayant un mécanisme d'ajustement
US11185120B2 (en) * 2020-02-20 2021-11-30 Varjo Technologies Oy Adjustment mechanism for adjusting length of a headband

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090211385A1 (en) * 2008-02-27 2009-08-27 Decathlon Adjusting device, especiall for a helmet
US20100095438A1 (en) * 2008-10-21 2010-04-22 Moelker Michael G Headband with pivotal pad
US20150059064A1 (en) * 2013-08-30 2015-03-05 Msa Technology, Llc Adjustment Mechanism for a Headband Arrangement of a Safety Helmet
WO2017108118A1 (fr) * 2015-12-22 2017-06-29 Groupe Ls S.A. Rétention et ajustement pour dispositif de casque de sécurité et casque de sécurité pourvue d'un tel dispositif

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8156574B2 (en) * 2007-05-08 2012-04-17 Warrior Sports, Inc. Helmet adjustment system
US8015625B2 (en) * 2009-05-06 2011-09-13 Specialized Bicycle Components Bicycle helmet adjustment mechanism
US9161588B2 (en) * 2013-10-21 2015-10-20 Minson Enterprises Co., Ltd. Adjustable headband device for a helmet
EP3182941B1 (fr) * 2015-02-27 2018-03-14 F.G.P. S.R.L. Dispositif de verrouillage rotatif manuel pour orthèses orthopédiques ou attelles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090211385A1 (en) * 2008-02-27 2009-08-27 Decathlon Adjusting device, especiall for a helmet
US20100095438A1 (en) * 2008-10-21 2010-04-22 Moelker Michael G Headband with pivotal pad
US20150059064A1 (en) * 2013-08-30 2015-03-05 Msa Technology, Llc Adjustment Mechanism for a Headband Arrangement of a Safety Helmet
WO2017108118A1 (fr) * 2015-12-22 2017-06-29 Groupe Ls S.A. Rétention et ajustement pour dispositif de casque de sécurité et casque de sécurité pourvue d'un tel dispositif

Also Published As

Publication number Publication date
EP3864988B1 (fr) 2023-11-01
CN113261739A (zh) 2021-08-17
EP4272591A3 (fr) 2024-01-17
US20210251329A1 (en) 2021-08-19
EP4272591A2 (fr) 2023-11-08

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