EP1405576A2 - Dispositif de réglage de la longueur d'une bande - Google Patents

Dispositif de réglage de la longueur d'une bande Download PDF

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Publication number
EP1405576A2
EP1405576A2 EP03291593A EP03291593A EP1405576A2 EP 1405576 A2 EP1405576 A2 EP 1405576A2 EP 03291593 A EP03291593 A EP 03291593A EP 03291593 A EP03291593 A EP 03291593A EP 1405576 A2 EP1405576 A2 EP 1405576A2
Authority
EP
European Patent Office
Prior art keywords
pinion
pivoting link
length adjustment
adjustment mechanism
teeth
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
EP03291593A
Other languages
German (de)
English (en)
Other versions
EP1405576B1 (fr
EP1405576A3 (fr
Inventor
Michel Landry
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
North Safety Products Ltd
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 North Safety Products Ltd filed Critical North Safety Products Ltd
Publication of EP1405576A2 publication Critical patent/EP1405576A2/fr
Publication of EP1405576A3 publication Critical patent/EP1405576A3/fr
Application granted granted Critical
Publication of EP1405576B1 publication Critical patent/EP1405576B1/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
    • A42B3/14—Suspension devices
    • A42B3/145—Size adjustment devices
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers

Definitions

  • the invention relates to a length adjustment mechanism for a strap.
  • U.S. Patent 3,214,809 issued to Edwards on December 20, 1963 discloses a length adjustment mechanism for a strap having overlapping portions.
  • U.S. Patent 5,950,245 issued to Binduga on September 14, 1999 discloses an adjustable headband comprising a ratchet mechanism having different resistances.
  • the invention seeks to provide a length adjustment mechanism for a strap having a row of teeth.
  • the mechanism comprises a pinion for meshing with the row of teeth and a finger operable actuator pivotable in a first direction and in a second direction.
  • the mechanism also comprises a pivoting link coupled to the pinion, the pivoting link being pivotable about a first pivot axis to impart a pivotal movement to the pinion and a rotating element coupled with the finger operable actuator.
  • the rotating element is pivotable about a second pivot axis and engages the pivoting link in a driving relationship such that movement imparted to the finger operable actuator is communicated to the pinion via the rotating element and the pivoting link to displace the row of teeth.
  • Figures 1 to 6 show a length adjustment mechanism 1 constructed in accordance with a first embodiment of the invention, mechanism 1 being mounted on a strap 10 for adjusting the length of the strap 10.
  • Strap 10 comprises first and second overlapping portions 12 and 14. Overlapping portions 12 and 14 have respective first and second elongated slots 16 and 18 with opposite first and second rows of teeth 20 and 22. Elongated slots 16 and 18 are in general alignment.
  • Mechanism 1 comprises a pinion 24 having teeth meshing with first and second rows of teeth 20 and 22.
  • Pinion 24 is coupled to a pivoting link 26.
  • a disc 28 is provided between pinion 24 and pivoting link 26.
  • pinion 24, pivoting link 26 and disc 28 are integrally formed.
  • pinion 24, pivoting link 26 and disc 28 are pivotable about a first pivot axis A1 and pivoting link 26 imparts a pivotal movement to pinion 24 (and disc 28).
  • disc 28 pivots and be integrally formed with pinion 24 and/or pivoting link 26. While pinion 24 is coupled to pivoting link 26 and pivots about first pivot axis A1, it is also understood that this pinion may pivot about another pivot axis or may be coupled to pivoting link 26 via another driving component which pivots about first pivot axis A1.
  • Pivoting link 26 comprises first and second surfaces 30, 32 that define therebetween an angle less than 180°, and third and fourth surfaces 34, 36 that also define therebetween an angle less than 180°.
  • Mechanism 1 further comprises a finger operable actuator 38 having a gripping portion 40 for allowing a user to turn the finger operable actuator 3 8 in a first direction D 1 or in a second direction D2 that is opposite to direction D1.
  • Finger operable actuator 38 also comprises first and second lugs 42, 44 projecting downwardly and engaging respective second and third satellite rotating elements 46, 48 in order to communicate movement of finger operable actuator 38 to rotating elements 46, 48.
  • rotating elements 46, 48 are formed of pinions but it is understood that other types of rotating elements can be used without departing of the scope of the present invention.
  • Second rotating element 46 is pivotable about a second pivot axis A2 and third rotating element 48 is pivotable about a third pivot axis A3.
  • Second rotating element 46 comprises a first circular section 46T having teeth and a second circular section 46S being free of teeth.
  • third rotating element 48 comprises a first circular section 48T having teeth and a second circular section 48S being free of teeth.
  • Mechanism 1 further includes a casing 50 having an elongated aperture 52 for receiving overlapping portions 12, 14.
  • Casing 50 has a ring gear 54 with an annular peripheral projection 56 having an internal surface 58 from which originate the teeth of the ring gear.
  • the diameter of disc 28 is substantially identical to the diameter of ring gear 54 and fits in the peripheral projection 56 in order to properly support rotating elements 46, 48 that are located above disc 28.
  • first circular sections 46T, 48T of second and third rotating elements 46, 48 mesh with ring gear 52, while the second circular section 46S of the second rotating element 46 contacts the first and second surfaces 30, 32 of pivoting link 26.
  • the second circular section 48S of third rotating element 48 contacts the third and fourth surfaces 34, 36 of pivoting link 26.
  • Second and third rotating elements 46, 48 are therefore frictionally engage with pivoting link 26 in a driving relationship such that pivotal movement of finger operable actuator 38 is communicated to pinion 24 via rotating elements 46, 48 and pivoting link 26, causing first and second overlapping portions 12, 14 to be displaced in opposite directions to either loosen or tighten the strap 10.
  • first circular sections 46T, 48T mesh with ring gear 54, satellite rotating elements 46, 48 also pivot in an orbital fashion about first pivot axis A1 in the same direction as finger operable actuator 38.
  • second circular section 46S contacts a portion of first and second surfaces 30, 32 of pivoting link 26 and a portion of second circular section 48S contacts a portion of first and second surfaces 34, 36 of pivoting link 26
  • the orbital pivotal movement of rotating elements 46, 48 imparts a pivotal movement to pivoting link 26 about the first pivot axis A1.
  • pivotal movement of the pivoting link 26 imparts pivotal movement of pinion 24 in order to displace first and second overlapping portions 12, 14 in opposite directions.
  • pivotal movement of finger operable actuator 38 in one direction tightens the strap 10 by moving the overlapping portions 12, 14 toward one another.
  • the pivotal movement of the finger operable actuator 38 in the opposite direction loosens the strap 10 by moving the overlapping portions 12, 14 away from one another.
  • the teeth 20, 22 tend to impart a turning movement to pinion 24 and to pivoting link 26.
  • the driving relationship between the satellite rotating elements 46, 48 and pivoting link 26 is unidirectional such that the satellite rotating elements 46, 48 and the pivoting link 26 interlock, thus preventing the any one of the rotary components (finger operable actuator 38, satellite rotating elements 46, 48, pivoting link 26 and pinion 24) from turning.
  • Figure 8 shows a length adjustment mechanism 100 constructed in accordance with a second embodiment of the invention, mechanism 100 being mounted on a strap 110.
  • Mechanism 100 for adjusting strap 110 is identical to that of mechanism 1, and the only difference resides in the construction of the strap 110 that has a single part 112 including a row of teeth 114 that can be moved forward or backward such as to tighten or loosen the strap 110.
  • the mechanism of the present invention may be used for adjusting the length of a strap in a wide variety of applications, such as the strap forming the headband on a helmet.
  • the mechanism of the present invention may also be used for adjusting the length of a strap for fastening footwear.
  • friction drive rollers may replace the various pinions of the mechanism.
  • a single satellite pinion instead of using a pair of satellite pinions 46, 48, a single satellite pinion can be used.
  • the scope of the invention is defined in the appended claims and their equivalents.

Landscapes

  • Helmets And Other Head Coverings (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Buckles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Sewing Machines And Sewing (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
EP03291593A 2002-10-01 2003-06-27 Dispositif de réglage de la longueur d'une bande Expired - Lifetime EP1405576B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002405926A CA2405926C (fr) 2002-10-01 2002-10-01 Mecanisme de reglage de la longueur d'une courroie
CA2405926 2002-10-01

Publications (3)

Publication Number Publication Date
EP1405576A2 true EP1405576A2 (fr) 2004-04-07
EP1405576A3 EP1405576A3 (fr) 2006-03-22
EP1405576B1 EP1405576B1 (fr) 2009-11-11

Family

ID=31983642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03291593A Expired - Lifetime EP1405576B1 (fr) 2002-10-01 2003-06-27 Dispositif de réglage de la longueur d'une bande

Country Status (4)

Country Link
EP (1) EP1405576B1 (fr)
AT (1) ATE447867T1 (fr)
CA (1) CA2405926C (fr)
DE (1) DE60329963D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006007746A1 (fr) * 2004-07-23 2006-01-26 Gudo Ag Dispositif de serrage pour cordes ou bandes devant etre resserrees
WO2007025500A1 (fr) * 2005-08-30 2007-03-08 Hans-Georg Knauer Dispositif de reglage pour casque

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7707695B2 (en) 2006-11-01 2010-05-04 Degil Safety Products (1989) Inc. Adjustable locking mechanism for protective head gear
US8359672B2 (en) * 2008-10-21 2013-01-29 Kimberly-Clark Worldwide, Inc. Headband with pivotal pad
CN103564938B (zh) * 2012-07-27 2018-04-20 霍尼韦尔国际公司 带有可调节头带的头饰

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366972A (en) * 1965-01-29 1968-02-06 Navy Usa Externally operated helmet harness adjustment reel assembly
DE3926514A1 (de) * 1989-08-10 1991-02-14 Weinmann & Co Kg Drehverschluss fuer einen sportschuh, insbesondere einen skischuh
FR2687902B1 (fr) * 1992-02-27 1997-03-21 Petzl Ets Casque de securite a reglage du dispositif de maintien sur la tete.
US5950245A (en) * 1997-04-14 1999-09-14 Mine Safety Appliances Company Adjustable headband with a ratchet mechanism having different resistances

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006007746A1 (fr) * 2004-07-23 2006-01-26 Gudo Ag Dispositif de serrage pour cordes ou bandes devant etre resserrees
WO2007025500A1 (fr) * 2005-08-30 2007-03-08 Hans-Georg Knauer Dispositif de reglage pour casque

Also Published As

Publication number Publication date
CA2405926A1 (fr) 2004-04-01
ATE447867T1 (de) 2009-11-15
EP1405576B1 (fr) 2009-11-11
CA2405926C (fr) 2007-12-11
EP1405576A3 (fr) 2006-03-22
DE60329963D1 (de) 2009-12-24

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