EP1867368A2 - Rollschuhanordnung mit Bremsvorrichtung - Google Patents

Rollschuhanordnung mit Bremsvorrichtung Download PDF

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Publication number
EP1867368A2
EP1867368A2 EP07110153A EP07110153A EP1867368A2 EP 1867368 A2 EP1867368 A2 EP 1867368A2 EP 07110153 A EP07110153 A EP 07110153A EP 07110153 A EP07110153 A EP 07110153A EP 1867368 A2 EP1867368 A2 EP 1867368A2
Authority
EP
European Patent Office
Prior art keywords
fastening member
assembly
pad
movable fastening
rest
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
EP07110153A
Other languages
English (en)
French (fr)
Other versions
EP1867368B1 (de
EP1867368A3 (de
Inventor
Nicola Bonora
Claudio Zampieri
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.)
TECHNICA GROUP S.P.A.
Original Assignee
Nordica SpA
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 Nordica SpA filed Critical Nordica SpA
Publication of EP1867368A2 publication Critical patent/EP1867368A2/de
Publication of EP1867368A3 publication Critical patent/EP1867368A3/de
Application granted granted Critical
Publication of EP1867368B1 publication Critical patent/EP1867368B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/14—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches
    • A63C17/1436—Roller skates; Skate-boards with brakes, e.g. toe stoppers, freewheel roller clutches contacting the ground
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
    • A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type

Definitions

  • the present invention relates to a roller skate assembly with a braking device, equipped with a system for compensating the wear of the brake pad.
  • the pad When the user tilts the shoe backwards or forwards, respectively, depending on the brake type, the pad interacts with the ground and performs braking.
  • the support on which the pad is mounted is integral or rigidly coupled with the rest of the wheel-supporting frame and, as the pad wears down, the user, in order to brake, must tilt the skate more and more, with consequent difficulty in keeping balance.
  • European Patent Application EP 687 487 proposes a system for adjusting the distance of the braking surface of the brake pad relative to ground, so as to compensate the pad wear.
  • the brake pad is secured to a pivoting support pivotally connected to the rest of the skate so as to pivot about the rotation axis of the rearmost skate wheel.
  • the tilt of the pivoting support is adjusted by an assembly of two toothed bars or levers and a locking cam lever.
  • the cam lever may spontaneously unlock while the skate is being used, or it can be too stiff and difficult to open while keeping the skate on.
  • the cam locking system requires, for a good operation, considerably precise working tolerances. Such a difficulty increases if the skate is to be manufactured by molding and generally at low cost as a mass product.
  • reference numeral 1 generally denotes a roller skate with in-line wheels according to an embodiment of the present invention.
  • in-line wheels is to be intended as meaning that wheels 9 enabling the skate to roll on ground T are arranged in a single row parallel to the rolling direction of the same wheels.
  • Skate 1 comprises a boot or skate shoe 3 and a bogie frame, generally denoted by reference numeral 5, arranged to secure and support shoe 3 on its top portion.
  • Bogie frame 5 also defines, in its bottom portion, a bogie portion 7 to which there are secured a plurality of wheels 9, enabling skate 1 to rest and roll upon the ground, a floor or another rolling surface T.
  • bogie frame 5 is also equipped, in its rear portion, of a brake 11 comprising a brake pad 17, made for instance of an elastomeric or suitably soft material, and a pad support 19 to which pad 17 is secured.
  • Roller skate 1 further includes a wear compensation system 13 enabling reversibly adjusting the distance of brake pad 17 from ground T and the pad position relative to the rest of bogie frame 5, so as to compensate the reduction in the volume of pad 17 caused by wear during use.
  • Such a wear compensation system 13 includes a pivotal connection 15 (Fig. 4) by means of which pad support 19 is secured the rest of bogie frame 5 so as to be pivotable (arrow FS in Fig. 2) about a pivotal axis coinciding, in the present example, with horizontal rotation axis AR (Fig. 4) of rearmost wheel 9.
  • wear compensation system 13 further includes a position adjustment system, which in turn includes locking lever 21 (in the present exemplary embodiment pivotally mounted in a region below the heel of bogie frame 5) and the plurality of fastening slots 23 arranged in the top portion of pad support 19.
  • Locking lever 21 includes, in the present exemplary embodiment, a locking tooth 25 and a grasping tongue or a grasping extension or part 27.
  • lever 21 By pivoting about rotation axis AL (Figs. 3, 4), lever 21 can reversibly move from an unlocking position (Fig. 1), in which support 19 freely rotates about rotation axis AR of rearmost wheel 9 relative to the rest of bogie frame 5, to a locking position (Fig. 2), in which such rotation of support 19 is prevented.
  • an unlocking position Fig. 1
  • a locking position Fig. 2
  • lever 21 turns in a so-called “unlocking” direction, that is, with reference to the views of Figs. 1 and 2, it turns in clockwise direction, as shown by arrow FL1.
  • lever 21 Conversely, to move from the unlocking position to the locking position, lever 21 turns in a so-called “locking" direction, that is, with reference to the views of Figs.
  • Locking lever 21 and fastening slots 23 are so shaped that they mutually engage so as to substantially prevent a mutual pivotal movement between pad support 19 and the rest of bogie frame 5 due to the push of pad 17 during braking.
  • locking lever 21 and fastening slots 23 are moreover so shaped that, due to the push of pad 17 during braking (arrow FS in Fig. 2), locking lever 21 is pushed further in the locking direction, or at least is maintained in the locked condition, against the portion of support 19 adjacent to lever 21 itself.
  • lever 21 and support 19 are so arranged and shaped that pad support 19, when it tends to rotate to become lifted and presses against tooth 25 inserted in a slot 23 during braking, causes tongue 27 to rest against support 19 itself, thereby preventing further counterclockwise rotation of lever 21 and hence further clockwise rotation of support 19.
  • the forces applied by support 19 to lever 21 in locked condition and during braking produce a resultant moment on lever 21 tending to more strongly fasten the lever to support 19.
  • locking tooth 25 has an height H (Fig. 3) that substantially is not lower than about 2 mm. More preferably, height H of locking tooth(s) 25 is not lower than about 3 mm. Still more preferably, height H of locking tooth(s) 25 is not lower than about 4 mm.
  • locking tooth 25, or another locking projection 25 of movable fastening member 21 has a contact surface 31 onto which pad support 19 pushes during braking thereby discharging the braking forces.
  • contact surface 31 is so arranged, more particularly inclined, that the resultant of the forces applied to it by support 19 tend to rotate the tooth downwards or, more generally, to push tooth 15 towards the locking position.
  • the resultant of the forces applied to contact surface 31 by support 19 passes in a space region between rotation axes AL of lever 21 and AR of pad support.
  • tooth 15 improve the fastening reliability.
  • wear compensation system 13 In use, wear compensation system 13, and in particular lever 21, is in its locking position illustrated in Fig. 2.
  • the different fastening slots 23 are arranged at a suitable mutual spacing, corresponding to a wear amount that is optimum for a new positioning of pad support 19 by means of the compensating device.
  • pad 17 has one or more notches or other marks, each corresponding to a pad wear limit whose attainment makes it advisable, according to the manufacturer, to move pad support 19 to a new position by means of the compensating device.
  • the invention allows making a system for adjusting the position of a brake pad in skates, which system does not demand particularly precise working tolerances and also enables making position adjustment systems that can be locked and unlocked in an easier, quicker and handier manner if compared to the systems disclosed e.g. in documents EP 687 487 A2 and US 5 741 017 .
  • Such handiness also results from the fact that return spring 29, rather than to keep tooth 25 in slots 23 during braking, is primarily intended to: a) ensure that lever 21 is fastened again when adjustment has ended; and b) keep tooth 25 firmly fastened in slots 23 when the brake pad is not being used.
  • return spring 29 applies relatively weak forces, so that releasing lever 21 is handy for the user.
  • an assembly according to the present invention may be used for making not only a roller skate with in-line wheels, but also a roller skate whose wheels are not in line, such as the more traditional roller skates with four wheels arranged at the corners of a rectangle.
  • Fastening slots 23, or another fastening part 23, may also be arranged on a bogie frame portion different from pad support 19, and not only on pad support 19.
  • fastening slots 23 may be replaced by a fastening part 23 of different kind, e.g. by teeth or projections instead of slots or recesses.
  • Pivoting lever 21 may be replaced by a different kind of movable fastening member, e.g. a rotating cam, a rotating balance, a tooth or a moving pin, e.g.
  • movable fastening member 21 may be equipped with a suitable recess, opening or hole in place of tooth 25 or other kind of projection. Furthermore, movable fastening member 21 may rest against pad support 19, or another fastening part 23, not only by means of grasping portion 27 but also by means of a different kind of suitably shaped projection or recess. While in the example of Fig. 3 locking lever 21 is indicatively Y- or fork-shaped, in other embodiments it may have a different shape, e.g. an L, T, cross or more or less rounded shape.
  • lever 21 may move from the locked to the unlocked condition, and vice versa, not only through a rotation relative to each other and relative to the rest of bogie frame 5 of the skate, but also through a translational or roto-translational movement.
  • lever 21 has a single tooth 25, but in other embodiments it may have multiple fastening teeth or projections 25, e.g. two, three or four teeth or projections.
  • Return spring 29 may be replaced by a different return member, e.g. a different kind of resilient member.
  • brake pad 17 and pad support 19 may be integrally formed as a single piece, for instance by simultaneous molding.

Landscapes

  • Braking Arrangements (AREA)
EP07110153.9A 2006-06-16 2007-06-13 Rollschuhanordnung mit Bremsvorrichtung Ceased EP1867368B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000438A ITTO20060438A1 (it) 2006-06-16 2006-06-16 Struttura per pattino a rotelle con dispositivo di frenatura

Publications (3)

Publication Number Publication Date
EP1867368A2 true EP1867368A2 (de) 2007-12-19
EP1867368A3 EP1867368A3 (de) 2008-10-29
EP1867368B1 EP1867368B1 (de) 2014-01-22

Family

ID=38582309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07110153.9A Ceased EP1867368B1 (de) 2006-06-16 2007-06-13 Rollschuhanordnung mit Bremsvorrichtung

Country Status (3)

Country Link
US (1) US20070290462A1 (de)
EP (1) EP1867368B1 (de)
IT (1) ITTO20060438A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010148255A1 (en) * 2009-06-18 2010-12-23 Razor Usa Llc Marking device for a personal mobility vehicle
US8146947B2 (en) 2008-10-22 2012-04-03 Razor Usa, Llc Spark generating device for scooter and removable spark generating cartridge
US8215676B2 (en) 2008-10-22 2012-07-10 Razor Usa, Llc Marking device for scooter and removable marking cartridge
US8684243B1 (en) 2010-05-17 2014-04-01 Chalktrail.com LLC Chalk holding devices for bicycles, scooters and skateboards
US8746723B2 (en) 2011-04-08 2014-06-10 Razor Usa, Llc Sparking device for a personal mobility vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8556274B2 (en) 2012-02-03 2013-10-15 Craig Melvin Ellis Skate brake

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6131922A (en) 1994-09-07 2000-10-17 Klukos; Edward O. Roller skate brake arrangement

Family Cites Families (24)

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US5067736A (en) * 1989-08-22 1991-11-26 Rollerblade, Inc. Slotted brake for in-line roller skate
US5197572A (en) * 1991-04-25 1993-03-30 Roberts Jeffrey A In-line skate brake system
CA2064517A1 (en) * 1991-06-13 1992-12-14 Paul G. Moldenhauer Progressively actuated brake for a roller skate
US5511804A (en) * 1992-04-29 1996-04-30 Nordica S.P.A. Braking device, particularly for skates
US5465984A (en) * 1992-04-29 1995-11-14 Nordica S.P.A. Braking device particularly for skates
US5918888A (en) * 1992-09-01 1999-07-06 Nordica S.P.A. Braking device particularly for skates
US5505468A (en) * 1992-10-23 1996-04-09 Nordica S.P.A. Braking device particularly for skates
FR2747050B1 (fr) * 1996-04-05 1998-05-22 Salomon Sa Dispositif de freinage pour patin a roues
AU671915B2 (en) * 1993-04-06 1996-09-12 Koflach Sport Gesellschaft m.b.H Braking device for roller skates
US5335924A (en) * 1993-04-26 1994-08-09 Richards Sr Kenneth E Retractable break pad mechanism for in-line skates
IT1273902B (it) * 1994-06-13 1997-07-11 Nordica Spa Struttura di dispositivo frenante, particolarmente per pattini ad attivazione migliorata
US5741017A (en) * 1995-07-28 1998-04-21 Chen; Henry Adjustable brake mechanism for roller skates
US5785326A (en) * 1996-05-01 1998-07-28 Chang; Sheng-Tai Structure for brake on roller skates
IT1287897B1 (it) * 1996-05-10 1998-08-26 Canstar Italia Spa Ora Bauer I Pattino del tipo a ruote in linea
US5865445A (en) * 1996-07-12 1999-02-02 K-2 Corporation In-line skate brake
FR2757781B1 (fr) * 1996-12-31 1999-02-26 Rossignol Sa Frein pour patin a roulettes en ligne
US6273436B1 (en) * 1998-05-11 2001-08-14 Richard M. Repucci Skate brake system and methods for multiple braking effects
US6010137A (en) * 1998-06-01 2000-01-04 Rollerblade, Inc. Quick adjusting braking apparatus
EP0974380B1 (de) * 1998-07-21 2004-06-23 Rollerblade Srl Rollschuh mit einer Bremsvorrichtung
US6116621A (en) * 1998-09-08 2000-09-12 Trans-Mex Corporation Roller skate swing brake
US6425586B1 (en) * 1998-12-30 2002-07-30 Benetton Group S.P.A. Braking device particularly for skates
US6557863B2 (en) * 2000-12-25 2003-05-06 Angel Lime Plastic Co., Ltd. Skate body
US6450508B1 (en) * 2001-03-02 2002-09-17 Wei-Yen Chu Shoe for skating and walking
US20020125658A1 (en) * 2001-03-08 2002-09-12 Ali Alwarid In-line skate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6131922A (en) 1994-09-07 2000-10-17 Klukos; Edward O. Roller skate brake arrangement

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8146947B2 (en) 2008-10-22 2012-04-03 Razor Usa, Llc Spark generating device for scooter and removable spark generating cartridge
US8215676B2 (en) 2008-10-22 2012-07-10 Razor Usa, Llc Marking device for scooter and removable marking cartridge
US8414029B2 (en) 2008-10-22 2013-04-09 Razor Usa, Llc Marking device for scooter and removable marking cartridge
US8662539B2 (en) 2008-10-22 2014-03-04 Razor Usa, Llc Marking device for scooter and removable marking cartridge
WO2010148255A1 (en) * 2009-06-18 2010-12-23 Razor Usa Llc Marking device for a personal mobility vehicle
US8356840B2 (en) 2009-06-18 2013-01-22 Razor Usa, Llc Marking device for a personal mobility vehicle
US12036813B2 (en) 2009-06-18 2024-07-16 Razor Usa Llc Marking device for a personal mobility vehicle
US8684243B1 (en) 2010-05-17 2014-04-01 Chalktrail.com LLC Chalk holding devices for bicycles, scooters and skateboards
US8746723B2 (en) 2011-04-08 2014-06-10 Razor Usa, Llc Sparking device for a personal mobility vehicle
USD1108317S1 (en) 2011-04-08 2026-01-06 Razor Usa Llc Tricycle with spark generating device

Also Published As

Publication number Publication date
ITTO20060438A1 (it) 2007-12-17
US20070290462A1 (en) 2007-12-20
EP1867368B1 (de) 2014-01-22
EP1867368A3 (de) 2008-10-29

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