• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A stiffener bracket for a roofing gutter section has a body in the form of a strap which has two end-to-end first and second arms mutually inclined at an acute angle at a junction of the body between the first and second arms. The first arm, along an end portion of its length spaced from the second arm, is adapted to be engageable with a rear wall of a roofing gutter section, or with a fascia or other structure of a building on which the gutter section is mounted, so that a remaining portion of the first arm extends down over the front surface of the rear wall. The second arm extends upwardly across the channel of the gutter section, and an end portion of the second arm is configured so as to be engageable with the front wall of the gutter section at or adjacent to a rolled rim at the upper edge of the front wall. SPCN-966555 LL I ( 7 I I // /1/ 7/ 1 / // /// C, / / ''~ k /7 f4<j// 7/fr /7 / / .1/ / /1 '~ / : / \/i;//4$;/' 74' 4' / 7//~~N 7/ " /~ 4/1 r /7 /4/ // /j7 // 7~$/7 >7< 77 7/ / 0 *1 ,/77 I /4' Ct // / 7/ >/// // / 7/ 7/ / /7 7 /4%J> / t ~-4' 4' AftX \ ~ -v .4 4' '7 / /~Nz-~ ~ /N 7,7/ /7 / / /77 / \ ~7 77 7 / 7.7 /7 7~ 4' <1< 7//! 7 7/ 7/ ;;;/~/ 7/7/ / / )'jiI /7/ j/7~~$/ ~,, j/ /7 ____ /' 4' tj /7/ / 7 7 / / 1/ /7 7 // / / / / 7/ / 7 / 7'
    公开号:AU2013204814A1
    申请号:U2013204814
    申请日:2013-04-12
    公开日:2014-02-20
    发明作者:John Richard Bugh；Christopher Lee Healy
    申请人:Stramit Corp Pty Ltd；
    IPC主号:E04D13-072
    专利说明:
    1 GUTTER STIFFENER Field of the Invention [0001] The present invention related to an improved stiffener bracket for use in supporting a front flange of a roofing gutter section. Background of Invention [0002] Roofing guttering can be subjected to substantial static loads when the level of water in the guttering rises, such as due to a blockage in the guttering or in a downpipe. It therefore is usual to provide support for the bracket to assist in accommodating such loads. A wide variety of supports have been proposed such as those disclosed in the patent specification US4622785 and US4910926, AU518439 and AU65538/80, JP2004293146, and W02008/083444. [0003] In recent times, a type of stiffener brackets somewhat similar to the cantilever member of the arrangement of AU578139 and the support rod of W02008/083444 has come into use. Stiffener brackets of that type are formed from a strap of metal which is bent intermediate of its ends to define an angle between first and second oppositely extending arms. The free end of the first arm is adapted to engage over a rear wall of a U-shaped gutter section, or a fascia or building structure on which the gutter section is mountable or mounted. The free end of the second arm is configured to enable engagement with the front wall of the gutter section, at a rolled rim extending along the upper edge of the front wall. The free end of the first arm is able to engage over the rear wall, fascia or structure so that the second arm of the stiffener bracket extends as a cantilever across the channel of the gutter section for supporting the gutter section when the front wall is engaged by the free end of the second arm. [0004] In one form of the described type of stiffener bracket, the angle between the first and second arms is an obtuse angle. In that case, the angle is simply to add stiffness to the bracket. In another form, the angle is an acute angle, and the first arm is able to extend down the front surface of the back wall of the gutter section, and bear against that surface to brace the cantilevered second arm. SPCN-966555 2 [0005] The present invention seeks to provide an improved form of stiffener bracket of the second form that type. Summary of Invention [0006] A stiffener bracket according to the invention has a body in the form of a strap which has two end-to-end first and second arms which are mutually inclined at an acute angle at a junction of the body between the first and second arms. The first arm, along an end portion of its length spaced from the second arm, is adapted to be engageable with a rear wall of a roofing gutter section, or with a fascia or other structure of a building on which the gutter section is mounted, so that a remaining portion of the first arm extends down over the front surface of the rear wall, and the second arm extends upwardly across the channel of the gutter section. An end portion of the second arm is configured so as to be engageable with the front wall of the gutter section at or adjacent to a rolled rim at the upper edge of the front wall. [0007] The acute angle at the junction of the body, between the first and second arms, may be from about 701 to 801, such as about 750. [0008] Over a minor part of the length of the second arm from the junction of the body, the second arm may have a junction between longitudinal sections which are mutually inclined at a shallow obtuse angle. The angle preferably is such that a section defining the main part of the length of the second arm is able to be inclined more sharply upwardly toward the upper edge of the front wall of the gutter section. The angle may be from about 1450 to 1550, such as about 1500. Over substantially the full extent of the second arm, from first arm to the end portion by which the second arm is engageable with the front wall of the gutter section, the second arm may have a strengthening pressed embossment. The embossment may be along a central region of the second arm. [0009] Over a minor part of the length of the first arm from the junction of the body, the first arm may have a junction between longitudinal sections which are mutually inclined at a shallow obtuse angle. The angle preferably is such that a section defining the main part of the length of the first arm is inclined away from the second arm at a greater angle than the minor section of the first arm. The sections of SPCN-966555 3 the first arm may be mutually inclined at an obtuse angle which is similar to that between the sections of the second arm, of from 1450 to 1550, such as about 1500. [0010] The stiffening bracket may be of a substantially constant width throughout its length. Alternatively, a major part of the length of the first arm may be of narrower width than the reminder of the total length. Such narrower width facilitates the first arm being engageable with the rear wall of the gutter section, the fascia or a building structure, by the free end portion being bent backwards over and behind that wall, fascia or structure. Where, as indicated, the first arm has mutually inclined sections, the narrow width may be provided along part of the length of the first arm from its free end to a location just short of the junction between those sections. Thus, the stiffening bracket may have a wider width over a part of the length of the body which extends along the full length of the second arm and beyond the junction of the body between the arms, to just beyond the junction between the sections of the first arm. [0011] The angle defined by the mutually inclined sections of the first arm preferably is such that a downwardly turned top margin of the rear wall of the gutter section can be accommodated behind the first arm. Thus, with the end portion of the first arm engaged with the rear wall of the gutter section, the fascia or the building structure, the junction between the sections of the first arm may abut, or be spaced a short distance of not more than about 3 to 6 mm from, the turned top margin. The arrangement may be is such that the junction between the first and second arms is nearer, than the junction between the sections of the first arm, to the front face of the rear wall of the gutter section. [0012] In one form of the stiffener bracket, there is provided an abutment member which projects from the bracket at a location adjacent to the junction of the body between the first and second arms. The abutment may project from the second arm, but preferably projects from the first arm. In each case the abutment member is positioned so as to bear against the front face of the rear wall of the gutter section when the first arm is engaged with the rear wall of the gutter section, the fascia or building structure. The abutment member may have the form of an elongate tang or tongue pressed from the body of the stiffener bracket. The abutment member may be pressed from the body at a location intermediate of side edges of the body, to leave an opening in the body, and this is preferred. However, the abutment member may SPCN-966555 4 be pressed from a side margin of the body, or there may be a parallel pair of such abutment members, each pressed from a respective side margin, which are laterally spaced from each other by a strip of the body. [0013] The or each abutment member is able to bear against the rear wall of a gutter section and thereby brace the second arm when its free end is engaged with the front wall of the gutter section. To enable this, the length of the second arm may be such that engagement of its free end with the front wall is achieved by first deflecting the front wall outwardly and, with the second arm in position, then allowing the front wall to resiliently recover to achieve the engagement. The arrangement may be such that the second arm is able to be retained in engagement under a longitudinal compressive force generated by resilience of the front wall of the gutter section and the abutment member. [0014] The or each tang or tongue comprising the abutment member may extend so as to be substantially parallel to the section of the first arm extending from the junction of the body. However, the or each tang or tongue may diverge slightly from that section of the first arm such that a free end of the tang or tongue is able to bear against the back wall of the gutter section. This enables the tang or tongue to resiliently flex and thereby contribute to the second arm being retained under a longitudinal compressive force. [0015] With the stiffener bracket installed in relation to a spouting section, the end portion of the first arm is engaged with the rear wall of the gutter section, a fascia or other structure of a building, and the end of the second arm is engaged with the front wall of the gutter section at or adjacent to a rolled rim of the front wall. As so installed, the second arm is held under a longitudinal compressive force acting along a line extending down from the rolled rim to a location at a lower extent of the rear wall. That location may be set by the abutment member by which the stiffener bracket bears against the rear wall, engaging with the downwardly turned upper margin of the rear wall. [0016] The or each tang or tongue comprising the abutment member may extend along the first arm, towards the junction of the body between the first and second arms. In that arrangement, the end of each tang or tongue connected to the first arm SPCN-966555 5 may define a shoulder which, with the stiffener bracket installed as described, is able to bear against the edge of the downwardly turned margin of the rear wall. However, in a preferred alternative arrangement, the or each tang or tongue extends along the first arm, away from the junction of the body between the first and second arms. In that alternative arrangement, the or each tang or tongue, with the stiffener bracket installed, is able to bear against the down turned margin of the rear wall by locating between that margin and the rear wall. [0017] The end of the second arm may be engageable with the rolled rim of the front wall of the gutter section by locating in a slot defined by the rim along the rear face of the front wall. The end of the second arm may be shaped to provide a hook portion which is able to resist the front wall of the gutter section from flexing to cause the second arm to come out of engagement. The hook portion may be oriented so that, when the gutter section holds a substantial quantity of retained water, a resultant downward force on the gutter section increases a force of engagement of the hook portion in the rolled rim. Brief Description of Drawings [0018] In order that the invention may more readily be understood description now is directed to the accompanying drawings, in which: [0019] Figure 1 is a perspective view of an assembly having a gutter section, shown retained in relation to a fascia for a building, and a gutter stiffener bracket shown in position relative to the gutter section but not fully engaged; [0020] Figure 2 is an end elevation of the arrangement of Figure 1 as seen from the right hand end; [0021] Figure 3 is a sectional view taken on line III-III of Figure 1; [0022] Figure 4 is a front perspective view of the stiffener bracket shown in Figure 1; [0023] Figure 5 is a front elevation of the stiffener bracket of Figure 1; and [0024] Figure 6 is a rear elevation of the stiffener bracket of Figure 1. SPCN-966555 6 Detailed Description [0025] In Figure 1, the assembly 10 has a gutter section G, to form part of a guttering system with a plurality of such sections in an end to end series. The assembly 10 also includes a fascia cover F for a building (not shown) on which the guttering system is to be provided. The section G is secured at intervals along the front face of cover F by a series of snap clips S of which only one is shown. A short distance from each clip S, such as by about 50 mm, a respective gutter section stiffener bracket 12 is provided. [0026] As shown most clearly in Figures 4 to 6, the bracket 12 has an elongate body 14 which is formed to provide first and second arms 16 and 18 which extend oppositely from a junction 20 therebetween. However, each of arms 16 and 18 also is formed to provide a respective minor section 16a and 18a each extending from junction 20, and a respective major section 16b and 18b extending from a respective junction 16c and 18c with its section 16a and 18a. From adjacent to junction 20 to a configured end portion 18d, the second arm 18 has a raised centrally located, longitudinal embossment 18e. The arm 18 and its junction 18c is strengthened and stiffened by provision of embossment 18e. The end portion 18d is in the form of a hook having a free end pointing back towards the end portion 16d of first arm 16 remote from junction 20. [0027] From adjacent to end portion 18d to a short distance beyond junction 16c of first arm 16, the body 14 has a substantially uniform width over a first part of its length. However, over a second part of its length, from the first part up to end portion 16d, body 14 has a substantially uniform, narrower width. End portion 16d is of substantially the same width as the wider, first part of body 14. [0028] From adjacent to junction 20, the wider part of first arm 16 has a central region deformed outwardly to provide an opening 22 and, extending from adjacent to junction 20, a tang or tongue 24. The tang or tongue 24 is at the face of arm 16 remote from the end portion 18d of arm 18, with this being the back face in the in use orientation for bracket 12. From junction 20, the tang or tongue 24 is inclined at an acute angle away from section 16a of arm 16, towards a point intermediate the ends of section 16b. At each side of opening 22, the body 14 has a respective side strip 26 SPCN-966555 7 each forming a part of arm 16. At junction 20, body 14 is stiffened by being crimped laterally to form a longitudinal fold line 26a in each strip 26 and a curving of body 14 across junction 20. The crimping is such as to fold a laterally outer margin 26b of each strip 26 forwardly, with the outer end 20a of junction 20 and an adjacent corning 18f of arm 18 also folded forwardly. In this crimping, forwardly is relative to the in use orientation of bracket 12. [0029] The inclination between the first and second arms 16, 18 at junction 20 is at an acute angle. This may be in the range of 700 to 80, and may for example be approximately 750 The inclination between section s 16a and 16b of arm 16 and between sections 18a and 18b of arm 18, at respective junctions 16c and 18c, is at an obtuse angle. In each case the obtuse angle may be in the range of 1450 to 155, and may for example be approximately 150. Relative to the in use orientation for bracket 12, the arrangement preferably is such that section 16a of arm is inclined forwardly, while section 16b is inclined rearwardly, section 18a of arm is substantially horizontally disposed, and section 18b projects upwardly and forwardly. The tang or tongue 24 may be substantially perpendicular to section 18a of arm 18. The end portion 18d of arm 18 extends outwardly and downwardly from section 18b, and then curves to extend upwardly and rearwardly to the hook form shown. [0030] As shown in Figure 3 fascia cover F is mounted in relation to a building structure, such as on rafters R and fascia bracket B, and gutter section G is secured to cover F by a respective clip S at a number of locations along section G. Adjacent to each clip S, such as at a 40 to 60 mm spacing, a respective gutter stiffener bracket 12 then is provided. The bracket 12 is positioned as required by locating the upper end of tang or tongue 24 firmly in a groove 26 defined between rear wall 28 of gutter section G and a down turned margin 27 at the upper edge of wall 28. The bottom and front walls 30 and 32 of section G then are resiliently deformed to enable the end portion 18d of arm 18 to be passed through the elongate slot 34 defined along rolled rim 36 at the upper edge of wall 32. The walls 30 and 32 then are released to enable them to recover, to capture end portion 18d in rim 36. The narrower width part of arm 16 then is folded across the top of and behind cover F, to position section 16b of arm 16 as shown in broken outline at 16b' in Figure 3, and to secure bracket 12. This retains the upper end of tang or tongue 24 firmly in groove 26 and, under longitudinal compressive force applied along arm 18 by the gutter section G at end portion 18d, SPCN-966555 8 the rear face of tang or tongue 24 is resiliently forced against rear wall 28 of section G. [0031] The invention described herein is susceptible to variations, modifications and/or additions other than those specifically described and it is to be understood that the invention includes all such variations, modifications and/or additions which fall within the spirit and scope of the present disclosure. SPCN-966555
    权利要求:
    Claims (19)
    [1] 1. A stiffener bracket for a roofing gutter section, wherein the bracket has a body in the form of a strap which has two end-to-end first and second arms which are mutually inclined at an acute angle at a junction of the body between the first and second arms; the first arm, along an end portion of its length spaced from the second arm, is adapted to be engageable with a rear wall of a roofing gutter section, or with a fascia or other structure of a building on which the gutter section is mounted, so that a remaining portion of the first arm extends down over the front surface of the rear wall, and the second arm extends upwardly across the channel of the gutter section; and an end portion of the second arm is configured so as to be engageable with the front wall of the gutter section at or adjacent to a rolled rim at the upper edge of the front wall.
    [2] 2. The stiffener bracket according to claim 1, wherein the acute angle at the junction of the body, between the first and second arms, is from about 70 to 80, such as about 75.
    [3] 3. The stiffener bracket according to claim 1 or claim 2, wherein over a minor part of the length of the second arm from the junction of the body, the second arm has a junction between longitudinal sections which are mutually inclined at a shallow obtuse angle, with the angle preferably is such that a section defining the main part of the length of the second arm is able to be inclined more sharply upwardly toward the upper edge of the front wall of the gutter section.
    [4] 4. The stiffener bracket according to claim 3, wherein the angle is from about 1451 to 1551, such as about 150.
    [5] 5. The stiffener bracket according to claim 4, wherein over substantially the full extent of the second arm, from first arm to the end portion by which the second arm is engageable with the front wall of the gutter section, the second arm has a strengthening pressed embossment, such as along a central region of the second arm. SPCN-966555 10
    [6] 6. The stiffener bracket according to any one of claims 1 to 5, wherein over a minor part of the length of the first arm from the junction of the body, the first arm may have a junction between longitudinal sections which are mutually inclined at a shallow obtuse angle, with the angle preferably such that a section defining the main part of the length of the first arm is inclined away from the second arm at a greater angle than the minor section of the first arm.
    [7] 7. The stiffener bracket according to claim 6, wherein the sections of the first arm are mutually inclined at an obtuse angle of from 1450 to 1550, such as about 1500.
    [8] 8. The stiffener bracket according to any one of claims 1 to 7, wherein a major part of the length of the first arm is be of narrower width than the reminder of the total length of the body, and thereby facilitates the first arm being engageable with the rear wall of the gutter section, the fascia or a building structure, by the free end portion being bent backwards over and behind that wall, fascia or structure.
    [9] 9. The stiffener bracket according to claim 8, as appended to claim 6 or claim 7, wherein the narrow width is provided along part of the length of the first arm from its free end to a location just short of the junction between those sections, and the stiffening bracket has a wider width over a part of the length of the body which extends along the full length of the second arm and beyond the junction of the body between the arms, to just beyond the junction between the sections of the first arm.
    [10] 10. The stiffener bracket according to any one of claims 1 to 9, wherein the stiffener bracket includes an abutment member which projects from the bracket at a location adjacent to the junction of the body between the first and second arms, preferably from the first arm.
    [11] 11. The stiffener bracket according to claim 10, wherein the abutment member is positioned so as to bear against the front face of the rear wall of the gutter section when the first arm is engaged with the rear wall of the gutter section, the fascia or building structure. SPCN-966555 11
    [12] 12. The stiffener bracket according to claim 11, wherein the abutment member has the form of an elongate tang or tongue pressed from the body of the stiffener bracket.
    [13] 13. The stiffener bracket according to claim 12, wherein the abutment member is pressed from the body at a location intermediate of side edges of the body, to leave an opening in the body.
    [14] 14. The stiffener bracket according to claim 13, wherein the abutment member is able to bear against the rear wall of a gutter section and thereby brace the second arm when its free end is engaged with the front wall of the gutter section, such that the second arm is able to be retained in engagement under a longitudinal compressive force generated by resilience of the front wall of the gutter section and the abutment member.
    [15] 15. The stiffener bracket according to any one of claims 12 to 14, wherein the tang or tongue comprising the abutment member diverges slightly from the section of the first arm extending from the junction of the body such that a free end of the tang or tongue is able to bear against the back wall of the gutter section, to enable the tang or tongue to resiliently flex and thereby contribute to the second arm being retained under a longitudinal compressive force.
    [16] 16. The stiffener bracket according to any one of claims 1 to 15, wherein the stiffener bracket is able to be installed in relation to a spouting section, with the end portion of the first arm engaged with the rear wall of the gutter section, a fascia or other structure of a building, the end of the second arm engaged with the front wall of the gutter section at or adjacent to a rolled rim of the front wall, and the second arm held under a longitudinal compressive force acting along a line extending down from the rolled rim to a location at lower extent of the rear wall, the location being set by the abutment member, by which the stiffener bracket bears against the rear wall, engaging with the downwardly turned upper margin of the rear wall.
    [17] 17. The stiffener bracket according to claim 16, wherein the tang or tongue comprising the abutment member extends along the first arm the body, away from the junction of the body between the first and second arms. In that alternative SPCN-966555 12 arrangement, the or each tang or tongue, with the stiffener bracket installed, is able to bear against the down turned margin of the rear wall by locating between that margin and the rear wall such that, with the stiffener bracket installed, the tang or tongue is able to bear against the down turned margin of the rear wall of the gutter section by locating between that margin and the rear wall.
    [18] 18. The stiffener bracket according to any one of claims 1 to 17, wherein the end of the second arm is engageable with the rolled rim of the front wall of the gutter section by locating in a slot defined by the rim along the rear face of the front wall.
    [19] 19. The stiffener bracket according to claim 18, wherein the end of the second arm is shaped to provide a hook portion which is able to resist the front wall of the gutter section flexing to cause the second arm to come out of engagement, by the hook portion may be oriented so that, when the gutter section holds a substantial quantity of retained water, a resultant downward force on the gutter section increases a force of engagement of the hook portion in the rolled rim. SPCN-966555
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    同族专利:
    公开号 | 公开日
    AU2013204814B2|2016-04-07|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2016-08-04| FGA| Letters patent sealed or granted (standard patent)|
    优先权:
    申请号 | 申请日 | 专利标题
    AU2012903353A|AU2012903353A0||2012-08-03|Gutter stiffener|
    AU2012903353||2012-08-03||
    AU2013204814A|AU2013204814B2|2012-08-03|2013-04-12|Gutter stiffener|AU2013204814A| AU2013204814B2|2012-08-03|2013-04-12|Gutter stiffener|
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