WO2001017386A1 - Two tongue buckle mechanism with fixed latch - Google Patents
Two tongue buckle mechanism with fixed latch Download PDFInfo
- Publication number
- WO2001017386A1 WO2001017386A1 PCT/US2000/024475 US0024475W WO0117386A1 WO 2001017386 A1 WO2001017386 A1 WO 2001017386A1 US 0024475 W US0024475 W US 0024475W WO 0117386 A1 WO0117386 A1 WO 0117386A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ejector
- release button
- frame
- assembly
- buckle
- Prior art date
Links
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
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2507—Safety buckles actuated by a push-button
- A44B11/2523—Safety buckles actuated by a push-button acting parallel to the main plane of the buckle and in the same direction as the fastening action
-
- 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
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2507—Safety buckles actuated by a push-button
- A44B11/2511—Safety buckles actuated by a push-button acting perpendicularly to the main plane of the buckle, e.g. placed on the front face of the buckle
Definitions
- the present invention relates to a buckle, and more particularly to a buckle with a fixed latch and adapted to receive one or two tongues which may be used with a multi-point restraint system. Discussion of the Related Art
- a number of conventional buckle designs are known in the prior art. Such designs generally suffer from problems and deficiencies relating to operability and reliability. Also, such conventional buckles are often expensive and difficult to manufacture and assemble.
- the present invention is directed to a buckle assembly that substantially obviates one or more of the problems due to limitations and disadvantages of the related art.
- An object of the present invention is the provision of a buckle assembly that is stronger, more reliable and more economical than buckles of the related art.
- a buckle assembly includes a release button, two ejectors, a frame and an urging member.
- the release button has two buckle insertion openings configured to receive two tongues, which each have latch receiving slots on them. Additionally, the release button includes two ejector voids that slidably retain two ejectors.
- the frame includes two latches that selectively engage the two tongues via the latch receiving slots.
- insertion of both tongues into the release button results in a translation of the ejector such that the urging member is able to urge the release button into a closed configuration flush with the frame, thereby allowing the fixed latches to engage the tongues.
- FIG. 1 shows an plan view of the buckle assembly
- FIG. 2 shows an isometric view of the buckle assembly with the top cover removed
- FIG. 3 shows an exploded view of the top cover, release button, frame and bottom cover
- FIG. 4 shows an exploded view of the release button, attachment elements, and one of the springs
- FIGS. 5(a) to 5(c) show a cross-section taken along 5-5 of FIG. 2 during a buckling process
- FIGS. 6(a) to 6(c) show a cross-section taken along 5-5 of FIG. 2 during an unbuckling process.
- FIG. 1 shows a plan view of the buckle assembly 10.
- the buckle assembly 10 preferably includes a buckle body 20.
- Buckle body 20 comprises a bottom cover 2200, a release member which may be referred to as a release button 2300 and a top belt slot 2101.
- Buckle assembly 10 also includes two mirror image tongues 30. It will be appreciated that only one tongue 30 is illustrated in FIG. 1.
- the preferred embodiment shown in FIG. 1 may be used in a conventional multi-point (e.g., 5 point) restraint system.
- Each tongue 30 includes a belt end 301 having a belt receiving slot 302, and a latch end 311 having a latch receiving slot 312.
- the tongue 30 may be constructed from a variety of materials, depending on the use and application of the buckle assembly. These tongue materials may include, for example, plastics or metals. Preferably, the tongues 30 will be constructed of heat-treated stainless steel.
- the tongues 30 may or may not be removably united to one another for ease of insertion into the buckle body 20.
- the tongues 30 may be fixed together by some structure (not shown) to establish a desired orientation of the tongues to simplify handling and insertion.
- a removable sleeve (not shown) may be used to removably unite the tongues 30.
- the removable sleeve may be constructed with one or more slots for each tongue 30.
- the tongues 30 may slide into the one or more slots of the removable sleeve, such that the tongues 30 are removably held by the sleeve.
- the removable sleeve is preferably sized and shaped such that it does not interfere with the insertion of tongues 30 into the buckle body 20.
- the removable sleeve may be permanently attached to either of the tongues 30, such that one tongue 30 is removably held by the sleeve and the other tongue 30 is permanently attached to the removable sleeve.
- the removable sleeve may be fabricated from, for example, metal or plastic.
- the two tongues could be permanently attached to one another.
- Either or both of the tongues 30 may include a tongue cover (not shown) to achieve a desired appearance, or to facilitate improved operation and belt guidance.
- the tongue cover may be fabricated from, for example, plastic or metal.
- the tongue covers may cover any portion of the surface area of either or both tongues 30, up to and including the entire surface area of the tongues 30.
- the tongue covers may be removably attached to the tongues 30, or the tongue covers may be permanently attached to the tongues 30.
- the removable sleeve may also be permanently attached to at least one of the tongue covers.
- the tongue covers will cover the surface area of the belt end 302 of the tongues 30, and be permanently attached to the tongues 30. Additionally, preferably one of the tongue covers will be permanently attached to and integral with the removable sleeve.
- the tongue covers are configured such that the tongue covers may be removably attached to each other.
- FIG. 2 shows an isometric view of the buckle assembly 10 with the top cover removed.
- FIG. 2 shows frame 80 having attachment openings 81, release button 2300, and attachment elements 85 configured to allow release button 2300 to move or translate in a predetermined path in relation to frame 80.
- buckle assembly 10 includes bottom cover 2200.
- Bottom cover 2200 includes bottom belt slot 2201. Residing within bottom cover 2200 is frame 80.
- FIG. 2 shows four attachment element openings 81 that are formed from the side walls of frame 80.
- the release button 2300 resides between two side walls of frame 80. These side walls additionally comprise attachment openings 81 which interface with attachment elements 85.
- attachment elements 85 For purposes of this application, when the attachment elements are close to the front of the frame and the base of the frame (i.e., the position shown in FIG. 2), the buckle assembly is in the closed position. When the attachment elements are furthest from the front of the frame and the base of the frame the buckle assembly is in the open position.
- FIG. 2 also shows ejector biasing elements 95 including element top arms 96 and element bottom arms 97.
- the element top arms 96 of the ejector biasing elements 95 are disposed such that the element top arms 96 urge the ejectors 90 into the release button ejector voids 2305.
- the element bottom arms (not shown) are trapped between the bottom cover 2200 and the frame 80. Additionally, the ejector biasing elements 95 are disposed on the biasing posts 2204
- the ejectors 90 are disposed in the release button 2300, and are urged in a direction which is opposite to the direction of insertion on the tongues 30 (i.e., towards the front of the frame).
- the ejector protrusions 91 of the ejectors 90 may be selectively disposed in two stable positions: 1) in the ejector depressions 2203 of the bottom cover 2200 and the frame ejector voids 86 or 2) between frame 80 and release button 2300.
- the positioning of the ejectors 90 depends on whether the buckle body 20 is in the open or closed position, as described in greater detail in relation to FIGS. 5 and 6.
- the ejector biasing elements 95 may be fabricated from a variety of materials. These materials may include, but are not limited to, metals, and like materials with similar desired properties. In one embodiment, the ejector biasing elements 95 are fabricated from flat spring steel.
- FIG. 3 shows an exploded view of the top cover, release button, frame, and button cover.
- the top cover 2100 will now be explained in detail.
- the top cover 2100 includes a top belt slot 2101. Additionally, the top cover includes a variety of ribs, surfaces, and contours to cooperate and mate with the interior components and the bottom cover 2200.
- the top cover 2100 and the bottom cover 2200 will be aligned to form a buckle body housing.
- the top cover 2100 may be constructed from a variety of materials including, but not limited to, plastic, metals, or like materials with similar desired properties.
- the top cover 2100 is constructed of high-impact ABS plastic with an ultra-violet inhibitor.
- the bottom cover 2200 will now be explained in detail.
- the bottom cover 2200 includes a bottom belt slot 2201. When the top cover 2100 and the bottom cover 2200 are aligned to form a buckle body housing, the top belt slot 2101 and the bottom belt 2201 are substantially aligned, such that a first belt (not shown) may pass through the ftop and bottom belt slots 2101 and 2201.
- the bottom cover 2200 includes a variety of ribs, surfaces, and contours to cooperate and mate with the interior components and the top cover 2100.
- the bottom cover 2200 includes ejector depressions 2203 and biasing posts 2204.
- the bottom cover 2200 may be constructed from a variety of materials. These materials include, but are not limited to, plastic, metals, or like materials with similar desired properties.
- the bottom cover 2200 is constructed of high-impact ABS plastic with an ultra-violet inhibitor. Additionally, the bottom cover 2200 may be fabricated from PVC.
- the release button 2300 will now be explained in detail.
- FIG. 3 shows the bottom of the release button 2300. Buckle insertion openings 2301 of the release button 2300 are sized to receive tongues 30 for buckling within the buckle body 20.
- the release button 2300 also includes a spring void 2302, opposing spring arm voids 2303 (only one is shown; both are mirror images of one another), and frame attachment opening 2304.
- the release button 2300 includes release button ejector retaining walls 2309 that define the release button ejector voids 2305.
- the ejector retaining walls 2309 and the release button ejector voids 2305 are configured to slidably retain the ejectors 90. Specifically, the ejectors 90 may translate only forward or backward (i.e., either toward buckle insertion opening 2301 or away from buckle insertion opening 2301), but cannot translate outside the release button ejector voids 2305.
- the spring button 2300 is shown with a variety of ribs, surfaces, and contours to cooperate and mate with the top and bottom covers 2100, 2200, and the various other interior components.
- the release button 2300 may be fabricated from a variety of materials. These materials include, but are not limited to, metals, plastics, or like materials with similar desired properties.
- the release button 2300 will be fabricated from acetal with an ultra-violet inhibitor.
- Frame 80 is located within the interior of the buckle housing created by the top cover 2100 and the bottom cover 2200. As shown in FIG. 3, frame 80 includes attachment openings 81 and spring arm openings 82. Frame 80 also includes fixed latches 84, frame ejector voids 86, a substantially planar surface 87, and a belt slot 83. When in the closed configuration, as described in greater detail below, the fixed latches 84 of the frame 80 are preferably located within the release button ejector voids 2305, preferably within the front end of the release button ejector voids 2305.
- the frame 80 When the frame 80 is installed in the buckle housing created by the top cover 2100 and the bottom cover 2200, the top, middle, and bottom belt slots 2101, 84, and 2201, respectively, are substantially aligned, such that a belt (not shown) may pass through the belt voids.
- the frame 80 may be constructed from a variety of materials. These materials include, but are not limited to, metal, plastics, or like materials with similar desired properties.
- the frame 80 will be constructed from SAE 1035 with zinc dichromate finish or a similar material having properties similar to the aforementioned material.
- FIG. 3 shows only a single ejector 90, but it will be appreciated that a pair of ejectors 90 is used in a preferred embodiment of the buckle housing 20 and that both ejectors 90 are preferably substantially similar to one another.
- ejector 90 comprises a planar surface and a planar base extending substantially perpendicular to the planar surface.
- ejector 90 is a T-shaped element.
- ejector 90 comprises a protrusion 91 extending from the planar base.
- Ejectors 90 may be fabricated from a variety of materials. These materials include, but are not limited to, plastics, metals, or like materials having similar desired properties. Preferably, the ejectors 90 are fabricated from NYLON 66 plastic. As shown in FIG. 3, the ejector 90 is disposed in an ejector void 2305 of the release button 2300. The ejectors 90 may be installed before the release button 2300 is installed in the frame 80. After the installation of the ejector button 90 in the release button 2300, and the installation of the release button 2300 into the frame 80, ejector biasing elements 95 (shown in FIG. 2) are installed.
- Springs 40 reside in the spring voids 2302 of the release button 2300, such that spring arms 41 of springs 40 are located in the spring arm voids 2303 of the release button 2300 (only one spring is shown; the other is a mirror image in a preferred embodiment). Further, springs 40 include spring tabs 42 located on spring arms 41. Preferably, after springs 40 are installed in the spring voids 2302 of the release button 2300, the spring tabs 42 of the springs 40 are inserted into the spring arms openings 82 of the frame 80 as shown in FIG. 2.
- the springs 40 are oriented such that the release button is biased in a direction in opposition to a direction in which tongues 30 will be installed into the buckle body 20 to form a buckle assembly 10.
- the springs 40 may be fabricated from a variety of materials, such as metals or like materials with similar desired properties.
- the springs 40 are constructed from music wire.
- Attachment elements 85 are installed through the attachment openings 81 of the frame 80 and the frame attachment voids 2304 of the release button 2300.
- the attachment openings 81 of the frame 80 are preferably sized, located, and oriented such that the release button 2300 remains parallel to the substantially planar surface 87 of the frame 80 (not shown), and may move parallel to and away from the substantially planar surface 87 of the frame 80 along a path defined by attachment openings.
- the path of the attachment openings is initially substantially parallel to the planar surface of the frame 80. Accordingly, as the release button 2300 transitions from the closed to the open configuration, the path is initially substantially planar to the surface of the frame 80.
- the attachment openings 81 may include a variety of shapes, such as kidney, arcuate, L, or angular, to achieve the desired motion of the release button 2300.
- two attachment elements 85 are inserted into the frame 80 and the release button 2300 after the installation of the springs 40 into the release button 2300 and into the frame 80 (not shown).
- the attachment elements 85 may be constructed from a variety of materials. These materials include, but are not limited to, plastics, metals, or like materials with similar desired properties.
- the attachment elements 85 are fabricated from music wire. In one embodiment, a zinc dichromate or equivalent material may be used to increase corrosion resistance.
- FIGS. 5(a) to 5(c) show a cross-section taken along 5-5 of FIG. 2 during a buckling process.
- the tongues 30 are inserted into the buckle insertion openings 2301 of the release button 2300.
- the lengths of the tongues 30 are chosen such that the latch ends 311 of the tongues 30 will contact and urge the ejectors 90 in a rearward direction corresponding to the direction of insertion of tongues 30.
- the release button 2300 is constantly urged downward or downward and forward by ejector biasing element, depicted by force A, or downward and forward, towards the substantially planar surface 87 of the frame 80.
- FIG. 5(b) shows the state of the buckle assembly 10 when the ejectors 90 are pushed by the tongues 30 such that the ejector protrusions 91 of the ejectors are aligned with the frame ejector voids 86 and the ejector depressions 2203 of the bottom cover 2200 (not shown).
- spring 40 force A
- the ejector protrusions 91 of the ejectors 90 will be inserted in both the frame ejector voids 86 and the ejector depressions 2203 of the bottom cover 2200 as shown in FIG. 5(c).
- the release button 2300 will only be closed upon insertion of both tongues 30.
- both ejectors 90 must be simultaneously displaced in a rearward direction to allow for the downward translation of the release button 2300.
- the buckle body may retain a first inserted ejector 90 until a second ejector 90 is inserted and the release button 2300 assumes the closed position.
- the ejectors may be connected, thereby allowing the insertion of a first tongue to implement the method disclosed above.
- the tongues 30 While the ejector protrusions 91 are translating through frame ejector voids 86 and into ejector depressions 2203, the tongues 30 simultaneously engage fixed latches 84. Specifically, the latch slots 312 of the tongues 30 are sized and located on the tongues 30 such that they are aligned with and will be placed over the fixed latches 84 of the frame 80. Accordingly, when the release button 2300 is moved to its initial position, the fixed latches 84 of the frame 80 will be disposed within the latch through slots 312 of the tongues 30, such that the tongues 30 cannot be removed from the release button 2300 and consequently from the buckle body 20. By this arrangement, buckling of the tongues 30 with the buckle body 20 is completed, as shown in FIG. 5(c).
- FIGS. 6(a) to 6(c) show a cross-section taken along 5-5 of FIG. 2 during an unbuckling process.
- spring 40 urges release button 2300 into frame 80.
- This force is represented as A in FIGS. 6(a) to 6(c).
- release button 2300 moves backward and upward relative to the frame 80 in a path which is defined by the attachment openings 81 of the frame 80.
- the attachment openings are preferably sized, located, and configured such that the release button 2300 remains parallel to the substantially planar surface 87 of the frame 80 during its range of movement relative to the frame 80.
- the release button 2300 is moved in a direction which corresponds to the direction of insertion of tongues 30 and away from the substantially planar surface 87 of the frame 80 (i.e., backward and upward)
- the ejectors 90 slide upward with release button 2300 fixed within ejector void 2305 by ejector retaining walls 2309.
- ejector 90 is moving upwards with respect to the frame 80, ejectors 90 are not translating backwards with respect to the frame 80 because the protrusions 91 are engaged by ejector void 2305.
- the ejectors 90 withdraw first from the ejector depressions 2203 of the bottom cover 2200 (not shown) and second from the frame ejector voids 86. Once ejector 90 withdraws completely from ejector void 2305, the buckle is in a transitional position, as depicted in FIG. 6(b).
- the ejectors 90 are urged forward by force B (e.g., a force applied by the ejector biasing elements 95).
- Force B causes ejector 90 to translate in a direction opposite to the direction corresponding to the direction of insertion of the tongues 30 towards the front of the frame. In other words, force B ejects the tongues 30 at least partially from the release button.
- the predetermined distance is the width of the ejector protrusion 91. In another embodiment, the predetermined distance is the distance from ejector void 2305 to fixed latch 84. Other distances may be used.
- FIG. 6(c) shows the method of unbuckling the buckles in which the ejector 90 is translated to the fixed latch 84.
- the ejector protrusions 91 of the ejectors 90 contact the substantially planar surface 87 of the frame 80. Additionally, as per the above description, it is understood that due to the orientation of the springs 40, the release button 2300 is constantly urged downward and forward towards the substantially planar surface 87 of the frame 80.
Landscapes
- Buckles (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU71185/00A AU7118500A (en) | 1999-09-07 | 2000-09-07 | Two tongue buckle mechanism with fixed latch |
DE60030994T DE60030994T2 (en) | 1999-09-07 | 2000-09-07 | CASTLE MECHANISM WITH TWO FITTINGS AND FASTENING BRACKETS |
EP00959955A EP1221871B8 (en) | 1999-09-07 | 2000-09-07 | Two tongue buckle mechanism with fixed latch |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15236199P | 1999-09-07 | 1999-09-07 | |
US15236099P | 1999-09-07 | 1999-09-07 | |
US60/152,361 | 1999-09-07 | ||
US60/152,360 | 1999-09-07 | ||
US09/544,203 | 2000-04-07 | ||
US09/544,203 US6397440B1 (en) | 1999-04-07 | 2000-04-07 | Assembly of a buckle mechanism and a blade and a method of securing and releasing the blade to the buckle mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001017386A1 true WO2001017386A1 (en) | 2001-03-15 |
WO2001017386A9 WO2001017386A9 (en) | 2002-09-26 |
Family
ID=27387238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/024475 WO2001017386A1 (en) | 1999-09-07 | 2000-09-07 | Two tongue buckle mechanism with fixed latch |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1221871B8 (en) |
CN (1) | CN1191770C (en) |
AU (1) | AU7118500A (en) |
DE (1) | DE60030994T2 (en) |
WO (1) | WO2001017386A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102205832A (en) * | 2011-01-26 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Safety belt spring bolt structure with locking function |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8230071U1 (en) * | 1983-09-22 | van Riesen & Co, 2080 Pinneberg | Belt buckle for security systems | |
EP0252488A1 (en) * | 1986-07-07 | 1988-01-13 | Nsk-Warner Kabushiki Kaisha | Buckle |
US4916780A (en) * | 1988-06-02 | 1990-04-17 | Ecia-Equipements Et Composants Pour L'industrie Automobile | Safeguarding buckle for a safety belt |
EP0587345A1 (en) * | 1992-09-01 | 1994-03-16 | Trw Vehicle Safety Systems Inc. | Buckle assembly |
US5584107A (en) * | 1994-09-06 | 1996-12-17 | Takata Corporation | Buckle device for infant restraining seat |
-
2000
- 2000-09-07 DE DE60030994T patent/DE60030994T2/en not_active Expired - Lifetime
- 2000-09-07 EP EP00959955A patent/EP1221871B8/en not_active Expired - Lifetime
- 2000-09-07 CN CNB008126070A patent/CN1191770C/en not_active Expired - Lifetime
- 2000-09-07 AU AU71185/00A patent/AU7118500A/en not_active Abandoned
- 2000-09-07 WO PCT/US2000/024475 patent/WO2001017386A1/en active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8230071U1 (en) * | 1983-09-22 | van Riesen & Co, 2080 Pinneberg | Belt buckle for security systems | |
EP0252488A1 (en) * | 1986-07-07 | 1988-01-13 | Nsk-Warner Kabushiki Kaisha | Buckle |
US4916780A (en) * | 1988-06-02 | 1990-04-17 | Ecia-Equipements Et Composants Pour L'industrie Automobile | Safeguarding buckle for a safety belt |
EP0587345A1 (en) * | 1992-09-01 | 1994-03-16 | Trw Vehicle Safety Systems Inc. | Buckle assembly |
US5584107A (en) * | 1994-09-06 | 1996-12-17 | Takata Corporation | Buckle device for infant restraining seat |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102205832A (en) * | 2011-01-26 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Safety belt spring bolt structure with locking function |
Also Published As
Publication number | Publication date |
---|---|
DE60030994D1 (en) | 2006-11-09 |
CN1382025A (en) | 2002-11-27 |
DE60030994T2 (en) | 2007-03-29 |
EP1221871B1 (en) | 2006-09-27 |
WO2001017386A9 (en) | 2002-09-26 |
EP1221871A1 (en) | 2002-07-17 |
CN1191770C (en) | 2005-03-09 |
AU7118500A (en) | 2001-04-10 |
EP1221871B8 (en) | 2007-04-25 |
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