US20130097828A1 - Configuration of a Belt Attachment Part - Google Patents

Configuration of a Belt Attachment Part Download PDF

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Publication number
US20130097828A1
US20130097828A1 US13/806,171 US201013806171A US2013097828A1 US 20130097828 A1 US20130097828 A1 US 20130097828A1 US 201013806171 A US201013806171 A US 201013806171A US 2013097828 A1 US2013097828 A1 US 2013097828A1
Authority
US
United States
Prior art keywords
bar
belt
inclined portion
belt attachment
interval
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.)
Abandoned
Application number
US13/806,171
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English (en)
Inventor
Yuu Hashimoto
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.)
YKK Corp
Original Assignee
YKK Corp
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 YKK Corp filed Critical YKK Corp
Assigned to YKK CORPORATION reassignment YKK CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HASHIMOTO, YUU
Publication of US20130097828A1 publication Critical patent/US20130097828A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
    • A44B11/04—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps without movable parts
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/006—Attachment of buckle to strap
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2192—Buckle type

Definitions

  • the present invention relates to a structure of a belt attachment.
  • buckles are provided with a belt attachment to which a belt is attached, the belt attachment having at least two bars.
  • Patent Literature 1 discloses a belt adjuster of a buckle, in which the belt adjuster includes a fixing rod, a folding rod including a convex portion and a concave portion, and a locking rod including a concave portion and a convex portion in a manner to face the folding rod.
  • Patent Literature 2 discloses a buckle including a first bar having a serration and a second bar having a cross section of an axisymmetric triangle about a third corner (i.e., a center line) of the second bar and having a serration at an apex part of the triangle in order to gain friction resistance against a belt.
  • An interval between the folding rod and the locking rod in Patent Literature 1 and an interval between the first bar and the second bar in Patent Literature 2 are made slightly smaller than an interval from other rods or bars. With this arrangement, an engagement angle between the belt and each corner is made small, so that friction resistance between the belt and each corner is increased to improve an engagement strength. In such a structure, when the belt is inserted between the rods or bars, operation may be complicated due to such a narrow interval.
  • the buckle disclosed in Patent Literature 2 uses the second bar having a cross section of a triangle having a center line at the third corner of the second bar. However, it may impose a restriction in manufacturing to form the second bar having such an axisymmetrically triangular cross section, so that manufacturing of the buckle may not be easy.
  • an object of the invention is to provide a simply structured belt attachment into which a belt can be easily inserted.
  • a flat belt attachment includes a first bar that connects corresponding positions of a pair of base bars facing each other; and a second bar that is parallel to the first bar and connects the base bars, in which the second bar includes a second inclined portion at an end portion, and the second inclined portion is shaped to approach the first bar toward a proximal end of the second inclined portion.
  • the inclined portions are provided to the end portions of each of the first and second bars. Accordingly, when tension is applied on the belt, the end portions of one of the bars guide the belt to be pressed onto the other of the bars.
  • the belt attachment according to the above aspect of the invention can facilitate insertion of the belt while providing a sufficient friction resistance between the belt and each of the bars.
  • the second bar has a linear middle portion.
  • the belt can be easily inserted between the first bar and the second bar.
  • the first bar includes a first inclined portion at an end portion in the same direction and shape as those in the second bar.
  • the first bar has the first inclined portion at each of the end portions in the same direction and shape as in the second bar, the interval between the first bar and the second bar at the end portion is not narrowed and can be kept at the same interval as the interval between the middle portions of the first bar and the second bar. Accordingly, the belt can be easily inserted between the first bar and the second bar.
  • the first bar and the second bar each are axisymmetric around the center in a thickness direction.
  • first bar and the second bar each are axisymmetric around the center in the thick direction, friction resistance between the belt and each of the first bar and the second bar becomes axisymmetric in the width direction of the belt. Accordingly, a stable belt attachment performance is achievable.
  • the second bar has a cross section enlarging toward the first bar.
  • the interval between the first bar and the second bar becomes smaller than an actual interval in a pseudo manner.
  • the belt when the belt is inserted between the first bar and the second bar, the belt can be easily inserted into a wide interval.
  • the belt is inserted and applied with tension, since the interval becomes smaller than the actual interval in a pseudo manner, a sufficient friction resistance between the belt and each of the bars can be ensured.
  • FIG. 1 is a plan view showing an overall structure according to an exemplary embodiment of the invention.
  • FIG. 2 is a plan view showing a plug according to the above exemplary embodiment.
  • FIG. 3 is an enlarged front view showing that no tension is applied on a belt inserted into a belt attachment in the above exemplary embodiment.
  • FIG. 4 is an enlarged front view showing that tension is applied on the belt inserted into the belt attachment in the above exemplary embodiment.
  • FIG. 5 is an enlarged cross section of the belt attachment according to the above exemplary embodiment.
  • FIG. 6 is an enlarged cross section showing that the belt is inserted into the belt attachment in the above exemplary embodiment.
  • FIG. 7 is a plan view showing an overall structure according to a modification of the invention.
  • FIGS. 1 to 6 show an exemplary embodiment of the invention.
  • FIG. 1 is a plan view showing the overall structure according to the exemplary embodiment of the invention.
  • a front release buckle 1 includes a plug 10 and a socket 20 into which the plug 10 is inserted for engagement.
  • the front release buckle 1 is used to couple and separate ends of a belt B.
  • the front release buckle 1 includes the plug 10 integrally formed of a synthetic resin and the socket 20 also integrally formed of a synthetic resin.
  • the plug 10 and the socket 20 may be formed of other materials such as metal instead of a synthetic resin according to other molding methods (e.g., rapid manufacturing and casting) instead of an injection molding.
  • a structure of a plug will be described below with reference to FIG. 2 .
  • FIG. 2 is a plan view of the plug according to the above exemplary embodiment.
  • an entirety of the plug 10 is integrally formed of a synthetic resin by injection molding.
  • the plug 10 includes a base 11 having a pair of legs 12 , an engaging portion 14 formed in each of the legs 12 , and a belt attachment 19 into which a belt or the like is inserted.
  • the legs 12 extend in parallel to each other in a length direction of the base 11 (an insertion direction of the plug 10 to the socket 20 , i.e., in a vertical direction in FIG. 1 ) from both sides of the base 11 in a width direction (a direction orthogonal to the insertion direction of the plug 10 to the socket 20 and a thickness of the socket 20 , i.e., a horizontal direction in FIG. 1 ).
  • a portion from the middle to the tip end of each of the legs 12 is elastically deformable in a thickness direction (i.e., a direction orthogonal to the width direction and the insertion direction described above).
  • the pair of legs 12 are gradually inclined in the thickness direction in a manner to approach each other as the legs 12 extend toward the respective tip ends of the legs in the insertion direction, so that an entirety of the legs 12 can receive a force for elastic deformation in the thickness direction.
  • the engaging portion 14 is formed as a projection extending from the tip end of each of the legs 12 in the width direction.
  • the tip end of each of the legs 12 is T-shaped in a plan view.
  • the engaging portion 14 formed at the tip end of each of the legs 12 is formed to have a thickness (i.e., height) that does not exceed a height of each of the legs 12 .
  • the engaging portion 14 includes an inclined portion 14 B that is formed at the tip end of each of the legs 12 , and a connecting inclined portion 14 D that connects the inclined portions 14 B in the width direction.
  • this connecting inclined portion 14 D With this connecting inclined portion 14 D, the pair of legs 12 are restricted from being deformed in the width direction by an external force. Further, when the pair of legs 12 are elastically deformed in the thickness direction, this connecting inclined portion 14 D allows the pair of legs 12 to be deformed by the same volume.
  • the inclined portion 14 B includes an inclined surface 14 A that is gradually inclined so that the thickness of the engaging portion 14 becomes smaller toward the tip end of each of the legs 12 in the insertion direction.
  • the connecting inclined portion 14 D includes a connecting inclined surface 14 C.
  • a pair of holders 16 are provided at outer sides of the pair of legs 12 .
  • the pair of holders 16 are rod-like members that are disposed on the base 11 apart from each other in the width direction of the base 11 and extend in the insertion direction.
  • a tip end of each of pair of holders 16 is spaced apart from the engaging portion 14 .
  • a thickness of each of the holders 16 is formed to be smaller than the thickness of the base 11 and larger than thickness of each of the legs. 12 .
  • Each of the holders 16 includes a projecting holder 16 A that is provided along an outer width direction of the each of the holders 16 .
  • the engaging portion 14 and the holders 16 are guided by undulations (not shown) formed on an inner side of the socket 20 so that the plug 10 is guided to an appropriate position in an insertion operation.
  • the belt attachment 19 is formed in a middle area of the base 11 .
  • the belt attachment 19 includes: a belt attachment hole 19 A that is provided in the middle of the inside of the belt attachment 19 and into which an end of the belt is inserted; a first bar 19 B that extends in the width direction of the plug 10 between a pair of base bars 11 A between the ends of the plug 10 (i.e., the ends of the bars 11 A); and a second bar 19 C that is formed in the middle of the belt attachment hole 19 A in a manner to bridge over the belt attachment hole 19 A.
  • the second bar 19 C divides the belt attachment hole 19 A into an insertion-direction front hole 19 D and an insertion-direction rear hole 19 E.
  • a belt (not shown) is inserted into the belt attachment hole 19 A and wound around the second bar 19 C to be contacted with the first bar 19 B.
  • the belt can be engaged and fixed to the plug while a length of the belt can be adjusted.
  • the belt attachment 19 is formed to be axisymmetric relative to the insertion direction.
  • the second bar 19 C has a linear middle portion and a second inclined portion 19 C 1 at end portions, the second inclined portion 19 C 1 being shaped to approach the first bar 19 B toward a proximal end of the second bar 19 C.
  • the first bar 19 B has a linear middle portion and a first inclined portion 19 B 1 at end portions, the first inclined portion 19 B 1 being shaped to separate from the second bar 19 C toward a proximal end of the first bar 19 B.
  • the first inclined portion 19 B 1 and the second inclined portion 19 C 1 have an inclined shape corresponding to each other.
  • An interval N 1 between the middle portions of the first bar 19 B and the second bar 19 C is equal to an interval N 1 between the end portions thereof.
  • An interval in the insertion direction between the proximal end of the second bar 19 C and the middle portion of the first bar 19 B is defined as an interval N 2 .
  • a belt being attached to the belt attachment will be described with reference to FIGS. 3 and 4 .
  • FIG. 3 is an enlarged front view showing that no tension is applied on the belt inserted into a belt attachment in the above exemplary embodiment.
  • FIG. 4 is an enlarged front view showing that tension is applied on the belt inserted into a belt attachment in the above exemplary embodiment.
  • a cross section of the belt attachment will be described below with reference to FIG. 5 .
  • FIG. 5 is an enlarged cross section of the belt attachment according to the above exemplary embodiment.
  • the cross section of the second bar 19 C is formed in a shape enlarging toward the first bar 19 B.
  • the second bar 19 C has a substantially trapezoidal cross section having apex corners C 1 facing the first bar 19 B and apex corners C 2 positioned opposite to the apex corner C 1 .
  • a cross section of the first bar 19 B has apex corners C 3 facing the second bar 19 C.
  • the apex corners C 1 facing the first bar 19 B are positioned inside the two apex corners C 3 of the first bar 19 B facing the second bar 19 C within a thickness of the belt attachment 19 .
  • the belt being inserted in the belt attachment will be described with reference to FIG. 6 .
  • FIG. 6 is an enlarged cross section showing that the belt is inserted in the belt attachment in the above exemplary embodiment.
  • FIG. 6 shows the belt B 1 on which no tension is applied and a belt B 2 on which tension is applied.
  • the belt B 1 (B 2 ) is inserted into the insertion-direction front hole 19 D, contacted with the two apex corners C 2 and one of the apex corners C 1 , inserted into the insertion-direction rear hole 19 E, contacted with one of the apex corners C 3 , and pulled out of the belt attachment 19 .
  • a path of the belt B 1 is different from a path of the belt B 2 in the insertion-direction rear hole 19 E.
  • the belt B 1 since no tension is applied on the belt B 1 , the belt B 1 is arranged in a gentle (i.e., not peaked) circular path passing the three apex corners C 1 and C 2 , and then reaches the apex corner C 3 . Accordingly, since a restoring force of the belt B is dispersed at the three apex corners C 1 and C 2 where the belt B passes, a large restoring force is not generated on the belt B located between the apex corners C 1 and C 3 . Accordingly, the path of the belt B 1 becomes linear in the insertion-direction rear hole 19 E.
  • the path of the belt B 2 conforms with the cross section of the second bar 19 C between the three apex corners C 1 and C 2 , and then reaches the apex corner C 3 . Accordingly, since a restoring force of the belt B is not dispersed at the three apex corners C 1 and C 2 where the belt B passes, a large restoring force is generated on the belt B located between the apex corners C 1 and C 3 . Accordingly, the belt B 2 significantly bulges toward the first bar 19 B near the apex corner C 1 , and then reaches the apex corner C 3 in a linear path.
  • the inclined portions 19 B 1 and 19 C 1 are respectively provided to the end portions of the first and second bars 19 B and 19 C. Accordingly, when tension is applied on the belt B, the second bar 19 C guides the belt B so as to be pressed onto the first bar 19 B. With this operation, the belt B is brought into pressure-contact with the first bar 19 B by tension.
  • the belt B can be easily inserted into the insertion-direction rear hole 19 E and a sufficient friction resistance between the belt B and each of the bars 19 B and 19 C is obtainable.
  • the belt B having a flat cross section can be easily inserted between the first bar 19 B and the second bar 19 C.
  • the interval between the first bar 19 B and the second bar 19 C at the end portions is not narrowed but can be kept at the same interval as the interval N 1 between the first bar 19 B and the second bar 19 C at the middle portions. Accordingly, the belt B can be easily inserted between the first bar 19 B and the second bar 19 C.
  • the first bar 19 B and the second bar 19 C each are axisymmetric around the center in the thick direction. Accordingly, an amount of the friction resistance between the belt B and each of the first bar 19 B and the second bar 19 C becomes axisymmetric in the width direction of the belt B. Accordingly, a stable belt attachment performance is achievable.
  • the second bar 19 C since the second bar 19 C has a substantially trapezoidal cross section enlarging toward the first bar 19 B, the path of the belt B 2 on which tension is applied conforms with the cross-sectional shape of the second bar 19 C passing the three apex corners C 1 and C 2 , and then reaches the apex corner C 3 . Accordingly, since a restoring force of the belt B is not dispersed at the three apex corners C 1 and C 2 where the belt B passes, a large restoring force is generated on the belt B located between the apex corners C 1 and C 3 . Consequently, the belt B 2 significantly bulges toward the first bar 19 B near the apex corner C 1 , and then reaches the apex corner C 3 in a linear path.
  • the interval between the first bar 19 B and the second bar 19 C becomes smaller than the interval N 1 in a pseudo manner. Consequently, in the exemplary embodiment, when the belt B is inserted into the insertion-direction front hole 19 D and the insertion-direction rear hole 19 E, the belt B is easily inserted since the interval N 1 is wide. When tension is applied on the belt B after insertion, since the interval between the first bar 19 B and the second bar 19 C becomes smaller than the interval N 1 in a pseudo manner, a sufficient friction resistance between the belt attachment 19 and the belt can be ensured.
  • the belt attachment 19 is used in the front release buckle 1 .
  • the belt attachment 19 may be employed as a belt-length-adjusting belt attachment (commonly called an “adjuster”), and further, may be employed in a side release buckle, a pouch clip and the like.
  • the first bar 19 B has the first inclined portion 19 B 1 .
  • a structure of the first bar 19 B is not limited to this.
  • the first bar 19 B may be formed without the first inclined portion.
  • the shape of the first inclined portion 19 B 1 matches with the shape of the second inclined portion 19 C 1
  • the shape of the first inclined portion 19 B 1 may be different from the shape of the second inclined portion 19 C 1 .
  • the invention is a buckle for connecting belts and usable as a front release buckle, a side release buckle, an adjuster, a pouch clip and the like.

Landscapes

  • Buckles (AREA)
  • Clamps And Clips (AREA)
US13/806,171 2010-06-24 2010-06-24 Configuration of a Belt Attachment Part Abandoned US20130097828A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/060778 WO2011161802A1 (ja) 2010-06-24 2010-06-24 ベルト装着部の構造

Publications (1)

Publication Number Publication Date
US20130097828A1 true US20130097828A1 (en) 2013-04-25

Family

ID=45371015

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/806,171 Abandoned US20130097828A1 (en) 2010-06-24 2010-06-24 Configuration of a Belt Attachment Part

Country Status (6)

Country Link
US (1) US20130097828A1 (ja)
JP (1) JP5592949B2 (ja)
CN (1) CN102946751B (ja)
DE (1) DE112010005684T5 (ja)
TW (1) TWI451849B (ja)
WO (1) WO2011161802A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150272280A1 (en) * 2014-03-28 2015-10-01 Bell Sports, Inc. No slip one-piece strap adjustor
US20180317611A1 (en) * 2017-05-03 2018-11-08 National Molding Llc Redirect buckle
US11304481B1 (en) 2019-02-25 2022-04-19 Nomad Innovations, Llc Buckle
USD1022794S1 (en) * 2019-12-11 2024-04-16 Ykk Corporation Belt adjuster

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688328A (en) * 1928-10-23 freysinger
US20070226967A1 (en) * 2006-04-01 2007-10-04 Wine-Woods Enterprises Locking snap buckle
US20090007391A1 (en) * 2007-07-03 2009-01-08 Ykk Corporation Buckle

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
JPH0177411U (ja) * 1988-09-13 1989-05-25
JPH03156105A (ja) 1989-08-18 1991-07-04 Yoshihide Nakamura 複流体タービンプラント
JP3156105B2 (ja) * 1992-07-28 2001-04-16 株式会社ニフコ 合成樹脂製バックル
US5855057A (en) * 1997-12-29 1999-01-05 National Molding Corp. Buckle assembly
JP4299941B2 (ja) * 2000-02-10 2009-07-22 株式会社ニフコ バックル
JP2003033209A (ja) * 2001-07-23 2003-02-04 Ykk Corp バックル
JP3844994B2 (ja) * 2001-10-25 2006-11-15 Ｙｋｋ株式会社 ベルト用止具の調節部
JP3892363B2 (ja) * 2002-08-08 2007-03-14 Ｙｋｋ株式会社 バックル
ES2357460T3 (es) * 2005-07-20 2011-04-26 Illinois Tool Works Inc. Unidad de hebilla de apartura lateral.
TWM290384U (en) * 2005-11-17 2006-05-11 Taiwan Ind Fastener Corp Side-operating buckle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688328A (en) * 1928-10-23 freysinger
US20070226967A1 (en) * 2006-04-01 2007-10-04 Wine-Woods Enterprises Locking snap buckle
US20090007391A1 (en) * 2007-07-03 2009-01-08 Ykk Corporation Buckle
US8112850B2 (en) * 2007-07-03 2012-02-14 Ykk Corporation Buckle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150272280A1 (en) * 2014-03-28 2015-10-01 Bell Sports, Inc. No slip one-piece strap adjustor
US10039349B2 (en) * 2014-03-28 2018-08-07 Bell Sports, Inc. No slip one-piece strap adjustor
US20180295946A1 (en) * 2014-03-28 2018-10-18 Bell Sports, Inc. No slip one-piece strap adjustor
US10646002B2 (en) * 2014-03-28 2020-05-12 Bell Sports, Inc. No slip one-piece strap adjustor
US20180317611A1 (en) * 2017-05-03 2018-11-08 National Molding Llc Redirect buckle
US11304481B1 (en) 2019-02-25 2022-04-19 Nomad Innovations, Llc Buckle
USD1022794S1 (en) * 2019-12-11 2024-04-16 Ykk Corporation Belt adjuster

Also Published As

Publication number Publication date
TWI451849B (zh) 2014-09-11
WO2011161802A1 (ja) 2011-12-29
JP5592949B2 (ja) 2014-09-17
CN102946751A (zh) 2013-02-27
CN102946751B (zh) 2015-06-10
DE112010005684T5 (de) 2013-05-29
TW201200052A (en) 2012-01-01
JPWO2011161802A1 (ja) 2013-08-19

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Legal Events

Date Code Title Description
AS Assignment

Owner name: YKK CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HASHIMOTO, YUU;REEL/FRAME:029515/0387

Effective date: 20121030

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION