• 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 bolt for a latch or a lock, the bolt comprising a body and a head for engaging a keeper, wherein the position of the head relative to the body is adjustable in a plane transverse to a main longitudinal axis of the bolt for altering the alignment between the bolt and the keeper. 4---t 7.Fmm Figure 3
    公开号:AU2013222013A1
    申请号:U2013222013
    申请日:2013-08-30
    公开日:2014-03-20
    发明作者:John Alexander Christie
    申请人:Bradnams Window and Doors Pty Ltd；
    IPC主号:E05B63-12
    专利说明:
    I BOLT FOR A LATCH OR A LOCK TECHNICAL FIELD [0001] The present invention relates to a bolt for a latch or a lock, and to a lock, a latch, a door and a window comprising the bolt. The present invention also relates to a method of altering the alignment between the bolt and a keeper. BACKGROUND [0002] Locks and latches may comprise a bolt which engages with a keeper to hold a door or a window closed. In one example, a bolt may project from a door to engage with a keeper located on a jamb (in this case the keeper is known as a strike). [0003] The bolt must correctly engage with the keeper to hold the door or window closed. If lateral movement of the door or window is possible when the bolt engages with the keeper, then the door or window may rattle if pressure (such as wind) is applied. Alternatively, the door or window may be difficult to latch or lock if the bolt and keeper are not correctly aligned. [0004] Correct alignment of the bolt and keeper typically involves adjusting the keeper. For example, this may involve laterally moving the keeper, or adjusting the position of the portion of the keeper that contacts the bolt. These tasks may be time consuming, and a variety of tools are also often needed. [0005] In one aspect, an object of the present invention is to provide a lock or latch in which the alignment between a bolt and a keeper may be simply and rapidly altered. In another aspect, an object of the present invention is to at least partially overcome at least one of the abovementioned disadvantages. In a further aspect, an object of the present invention is to provide the consumer with a useful or commercial choice. SUMMARY OF INVENTION [0006] In a first aspect, the present invention relates to a bolt for a latch or a lock, the bolt comprising a body and a head for engaging a keeper, wherein the position of the head relative to the body is adjustable in a plane transverse to a main longitudinal axis of the bolt for altering the alignment between the bolt and the keeper. [0007] Advantageously, the bolt of this aspect of the present invention allows a user to easily adjust the position of the head when the bolt is installed, thereby allowing the alignment between the bolt and the keeper to be simply and rapidly adjusted. [0008] The term "lock" refers to a door or a window fastening device activated by a key or turnknob, or both. The term "latch" refers to a door or a window fastening device having no locking function. Consequently, the same bolt may be used in a latch or a lock. [0009] The "keeper" is a cavity, groove or depression with which the bolt engages to releasably hold a door or a window closed. The keeper may be recessed into a surface (such as a door jamb, sill or the like), or it may be formed by a member proud of the surface. The keeper may be positioned in or on a surround frame member, especially a jamb, a head, a sill, a floor or a ceiling, more especially in or on a jamb, a head or a sill, most especially in or on a head or a sill. The keeper may also be a strike, or a staple. A "strike" is a member fixed in or on a jamb into which a lock or latch bolt may engage when the door is closed. A "staple" is a surface mounted strike. [0010] The "main longitudinal axis of the bolt" is the axis of bolt movement, in the centre of the bolt. [0011] The term "bolt" refers to the part of the lock or latch that is moveable to engage a keeper. In some embodiments, the bolt may also be called a plunger. The bolt may overall have a circular, oval, polygonal, square or rectangular cross-section, especially a square or rectangular cross-section. When a latch or lock comprising a bolt is installed in a door or window, the bolt is movable from an open (retracted) position, in which the entire bolt is typically recessed within the door or window, to a closed (extended) position, in which a portion of the bolt protrudes from the door or window for engaging a keeper. [0012] The bolt is typically configured such that the head entirely protrudes from the lock, latch, door or window when the lock or latch is in a closed position. At least one side of the head is engageable with the keeper, especially only one side of the head. However, in some embodiments, two or more sides of the head are engageable with the keeper. [0013] The alignment between the keeper and the bolt may be altered by adjusting the position of the head relative to the body. The position of the head may be adjusted by altering the shape or position of the at least one side of the head that is engageable with the keeper. In one example, the head is compressible along the longitudinal axis of the bolt. Compressing the head may enlarge the cross sectional area of the head, thereby altering the alignment between the head and the keeper. Alternatively, the head may be elongated along the longitudinal axis of the bolt to decrease the cross-sectional area of the head, thereby altering the alignment between the head and keeper. In preferred embodiment, the position of the head is adjusted by altering the position of the at least one side of the head that is engageable with the keeper. In this embodiment, the head may be substantially non-compressible or the dimensions of the head are fixed. [0014] In another embodiment, the head is rotatable for adjusting the position of the head relative to the body. The head may be rotatable between any number of positions. In some embodiments, the head is rotatable between at least two positions, especially between two and ten positions, more especially between two and six positions, most especially, between four positions. [0015] The rotation of the head may alter the alignment between the bolt and the keeper in any suitable manner. In one embodiment, the head is eccentrically mounted relative to the body. In this embodiment, the head may rotate about the main longitudinal axis of the bolt and there are at least two different distances between this axis and each side of the head. In another embodiment, there is a different distance between this axis and each side of the head. For example, if the head is rotatable between four positions, then the distance between the main longitudinal axis of the bolt and the keeper may vary from 3 mm to 20 mm, especially from 4 mm to 15 mm, more especially from 5 mm to 10 mm, most especially from 7 mm to 8.5 mm. The head may comprise markings so that the user is able to quickly identify the orientation of the head relative to the body. [0016] In some embodiments, the alignment between the bolt and the keeper is adjustable in increments of at least 0.05 mm, especially at least 0.1 mm or 0.2 mm, more especially at least 0.3 mm, most especially at least 0.4 mm. In other embodiments, the alignment between the bolt and the keeper is adjustable in increments of 10 mm or less, especially in increments of 5 mm or less, more especially in increments of 4 mm or less, 3 mm or less, or 2 mm or less, and most especially in increments of 1 mm or less. In some embodiments, the alignment between the bolt and the keeper is adjustable in increments of between 0.1 mm and 3 mm, more especially in increments of between 0.15 mm and 2 mm, or in increments of between 0.3 mm and 1 mm, most especially in increments of between 0.4 mm and 0.7 mm. In an exemplary embodiment, the alignment between the bolt and the keeper is adjustable in increments of approximately 0.5 mm. In these embodiments, the alignment between the bolt and the keeper may be adjusted by rotating the head. [0017] The position of the head relative to the body is adjustable in a plane transverse to the longitudinal axis of the bolt for altering the alignment between the head and the bolt. In a _r preferred embodiment, the position of the head relative to the body is adjustable in a plane perpendicular to the longitudinal axis of the bolt for altering the alignment between the head and the bolt. [0018] The head may be made of any suitable material, such as metal or plastic. In one embodiment, the head is made of plastic. The head may also have any shape, provided that it is engageable with the keeper. In some embodiments, the head has a substantially circular, oval, polygonal, square or rectangular cross-section, especially a substantially square or rectangular cross-section. [0019] When installed in a lock or a latch, the body of the bolt engages the bolt housing. The bolt housing is located within the lock, latch, door or window when the lock or latch is installed. When the bolt is in a closed position, the majority (if not all) of the body remains within the lock, latch, door or window. The body may be made of any suitable material, such as metal or plastic. In one embodiment, the body is made of plastic. The body may also have any shape, provided that it securely engages the bolt housing. In some embodiments, the body has a substantially circular, oval, polygonal, square or rectangular cross-section, especially a substantially square or rectangular cross-section. [0020] The body and/or the head may have a planar surface, or may have grooves or recesses. In one example, the body and the head have grooves. These grooves may prevent air pockets from impeding the movement of the bolt when a door or window is latched or locked. [0021] The head may be releasably secured to the body when the position of the head is correct. This can be achieved by any suitable means. For example, in one embodiment the bolt may comprise a fastening member for holding the head to the remainder of the bolt. When it is necessary to adjust the position of the head the fastening member may be released or loosened, and then the fastening member may be reinserted or retightened when the head is in the correct position relative to the body. In this embodiment the fastening member may be, for example, a pin or a screw. [0022] In another example, the head may abut the body, and the head may be held in place by friction or interference between the body and the head. In this example, the head and body may have complementary projections or recesses for holding the head in position. The body and head may also be pressed together by a biasing member, such as a spring, to hold the head in position relative to the body. [0023] In one embodiment, the bolt comprises a body, a head for engaging a keeper, and a rod for mounting the body. In this embodiment, the body may be a sleeve which slides onto the rod. The rod may be made of any suitable material, such as metal or plastic, preferably metal. The rod may have a substantially circular, oval, square or rectangular cross-section, especially a substantially circular or oval cross-section, most especially a substantially circular cross-section. In one embodiment, the rod is substantially cylindrical in shape. [0024] In a further embodiment, the bolt comprises a body, a head, a rod, and a fastening member for fastening the head to the rod. When the head is fastened to the rod, the head and rod may rotate together to alter the alignment between the bolt and the keeper, or the head may rotate independently of the rod. The fastening member is as discussed above. In a further aspect, the bolt comprises a body, a head, a rod, a fastening member and a biasing member for engaging the head and the body together. The biasing member is as discussed above. [0025] In one embodiment, the bolt is from 30 mm to 350 mm long, especially from 60 mm to 220 mm long, more especially from 80 mm to 150 mm long or 100 mm to 120 mm long, most especially approximately 106 mm long. In another embodiment, the bolt is from 5 mm to 50 mm wide, especially from 8 mm to 25 mm wide, more especially from 10 mm to 20 mm wide, most especially approximately 16 mm wide. [0026] In a further embodiment, the head is from 6 mm to 60 mm long, especially from 10 mm to 40 mm long, more especially from 15 mm to 25 mm long, most especially approximately 19 mm long. In another embodiment, the head is from 4 mm to 45 mm wide, especially from 8 mm to 30 mm wide, more especially from 10 mm to 20 mm wide, most especially approximately 14 mm to 15 mm wide. [0027] In yet a further embodiment, the body is from 15 mm to 160 mm long, especially from 25 mm to 110 mm long, more especially from 40 mm to 60 mm long, most especially approximately 52 mm long. In another embodiment, the body is from 5 mm to 50 mm wide, especially from 8 mm to 25 mm wide, more especially from 10 mm to 20 mm wide, most especially approximately 16 mm wide. [0028] In a further embodiment, the rod is from 30 mm to 300 mm long, especially from 60 to 200 mm long, more especially from 75 mm to 120 mm long or 90 to 110 mm long, most especially approximately 97 mm long. In another embodiment, the rod is substantially cylindrical with a diameter from 2 mm to 40 mm, especially from 3 mm to 25 mm, most especially from 4 mm to 13 mm. [0029] In a second aspect, the present invention provides a lock comprising the bolt of the first aspect of the present invention. [0030] In a third aspect, the present invention provides a latch comprising the bolt of the first aspect of the present invention. [0031] In a fourth aspect, the present invention provides a door comprising the bolt of the first aspect of the present invention, or a lock of the second aspect of the present invention, or a latch of the third aspect of the present invention. The bolt may engage with a keeper, and the keeper is as discussed above in the first aspect of the present invention. [0032] The door may be of any suitable construction. In one embodiment, the door is selected from the group consisting of a hinged door, a sliding door, a single leaf door, a bi-fold door, a multi-fold door, a pivot door and a rotating door; especially a hinged door, a bi-fold door, a pivot door and a multi-fold door; more especially a bi-fold door and a multi-fold door; and most especially a bi-fold door. [0033] When the door is a bi-fold or a multi-fold door, the bolt is typically positioned at the top of the door to engage with a keeper in a head or a ceiling, and/or positioned at the bottom of the door to engage with a keeper in a sill or the floor. In one embodiment, the bolt is for latching or locking the door to a keeper in a sill. In a further embodiment, the bolt is for latching or locking the door to a keeper in a head. [0034] In a bi-fold or multi-fold door, the bolt may be positioned at the bottom or top of the door and connected to the rest of the latch or lock mechanism, which is typically positioned in about the vertical centre of the door. In this circumstance, the rod of the bolt may be connected to a locking rod or the like for connecting the bolt with the rest of the latch or lock mechanism. The bolt and/or locking rod may be positioned within a stile of the door. [0035] In a fifth aspect, the present invention provides a window comprising the bolt of the first aspect of the present invention, or a lock of the second aspect of the present invention, or a latch of the third aspect of the present invention. The bolt may engage with a keeper, and the keeper is as discussed above in the first aspect of the present invention. [0036] The window may be of any suitable construction. In one embodiment, the window is selected from the group consisting of a sliding window, an awning window, a casement window, a double hung window, a pivot window, a louvre window, a bi-fold window and a multi-fold window; especially a bi-fold window and a multi-fold window; and most especially a bi-fold window.
    [0037] When the window is a bi-fold or a multi-fold window, the bolt is typically positioned at the top of the window to engage with a keeper in a head or a ceiling, and/or positioned at the bottom to engage with a keeper in a sill. In one embodiment, the bolt is for latching or locking the window to a keeper in a sill. In a further embodiment, the bolt is for latching or locking the window to a head. [0038] In a bi-fold or multi-fold window, the bolt may be positioned at the bottom or top of the window and connected to the rest of the latch or lock mechanism, which is typically positioned in about the vertical centre of the window. In this circumstance, the rod of the bolt may be connected to a locking rod or the like for connecting the bolt with the rest of the latch or lock mechanism. The bolt and/or locking rod may be positioned within a stile of the window. [0039] In a sixth aspect, the present invention provides a method of altering the alignment between a bolt and a keeper, the method comprising: a. Providing a bolt comprising a body and a head for engaging a keeper, wherein the position of the head relative to the body is adjustable in a plane transverse to a main longitudinal axis of the bolt; and b. Adjusting the position of the head relative to the body to alter the alignment between the bolt and the keeper. [0040] In one embodiment, the alignment between the bolt and the keeper is altered so that the head of the bolt abuts against and does not apply pressure to the keeper. In another embodiment, the alignment of the bolt and the keeper is altered so that the head of the bolt abuts against and applies pressure to the keeper. In this latter embodiment, the bolt may be used to force a door or window against a jamb, and especially against a seal in the jamb. This may be particularly advantageous if movement of the door/window due to wind (for example) is to be minimised or eliminated, possibly along with air flow around the door/window. [0041] In the present specification and claims, the word 'comprising' and its derivatives including 'comprises' and 'comprise' include each of the stated integers but does not exclude the inclusion of one or more further integers. [0042] Reference throughout this specification to 'one embodiment' or 'an embodiment' means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearance of the phrases 'in one embodiment' or 'in an embodiment' in various places 0 throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more combinations. [0043] Any of the features described herein can be combined in any combination with any one or more of the other features described herein within the scope of the invention. BRIEF DESCRIPTION OF THE FIGURES [0044] Examples of the invention will now be described by way of example with reference to the accompanying figures, in which: [0045] Figure 1A is a side view of an example bolt; [0046] Figure 1B is a cross sectional view of the example bolt of Figure 1A along Section A-A; [0047] Figure 1C is a top view of the example bolt of Figure 1A; [0048] Figure 1D is a bottom view of the example bolt of Figure 1A; [0049] Figure 2A is an exploded perspective view of the example bolt of Figure 1A; [0050] Figure 2B is a perspective view of the example bolt of Figure 1A; [0051] Figure 3 is a perspective and side view of the example bolt of Figure 1A in which the head is in a first position; [0052] Figure 4 is a perspective and side view of the example bolt of Figure 1A in which the head is in a second position; [0053] Figure 5 is a perspective and side view of the example bolt of Figure 1A in which the head is in a third position; [0054] Figure 6 is a perspective and side view of the example bolt of Figure 1A in which the head is in a fourth position; and [0055] Figure 7 is an exploded perspective view of the example bolt of Figure 1A in a stile. [0056] Preferred features, embodiments and variations of the invention may be discerned from the following Description which provides sufficient information for those skilled in the art to perform the invention. The following Description is not to be regarded as limiting the scope of the preceding Summary of the Invention in any way. DESCRIPTION OF EMBODIMENTS [0057] Example bolts, latches and locks will now be described with reference to Figures 1 to 7. In the figures, like reference numerals refer to like features. [0058] Figures 1 to 7 illustrate a bolt 1 for a latch or a lock, the bolt comprising a body 2 and a head 4 for engaging a keeper 5 in a sill 6. The position of the head 4 relative to the body 2 is adjustable in a plane transverse to a main longitudinal axis of the bolt 8 for altering the alignment between the bolt 1 and the keeper 5. [0059] In the bolt 1 of Figures 1 to 7, there is also a rod 10 for mounting the body 2; a fastening member 12 for fastening the head 4 to the rod 10; and a biasing member 14 for engaging the head 4 and the body 2 together. In Figures 1 to 7 the fastening member 12 is a screw which is connected to the rod 10, and the biasing member 14 is a spring. When the fastening member 12 is secured to the rod 10, the head 4 and rod 10 are rotatable together relative to the body 2. The body 2 is a sleeve which slides onto the rod 10. The biasing member 14 abuts a lip in the rod 10 at one end, and the body 2 at the other end. In this arrangement the biasing member pushes the body 2 against the head 4, engaging them together. [0060] As shown in Figures 3 to 6, the head 4 of bolt 1 is rotatable in four different positions to alter the alignment between the bolt 1 and the keeper 5. In these Figures, the keeper 5 is in a sill 6. The main longitudinal axis of the bolt 8 is the same in each Figure. However, the distance between the main longitudinal axis of the bolt 8 and the side of the head 20 engaging the keeper 5 varies, and this variation allows the alignment between the bolt 1 and the keeper 5 to be altered. For example, in Figure 3 the distance between the axis 8 and the side of the head 20 is 7.0 mm. In Figure 4 this distance is 7.5 mm, in Figure 5 this distance is 8.0 mm, and in Figure 6 this distance is 8.5 mm. [0061] The head 4 comprises markings 22 so that the user is able to quickly identify the orientation of the head 4. In Figure 3 the head 4 is in position I, in Figure 4 the head 4 is in position II, in Figure 5 the head 4 is in position III, and in Figure 6 the head 4 is in position 1111. [0062] The head 4 in Figures 1 to 7 abuts the body 2, and the head is held in the desired position by friction or interference between the body 2 and the head 4. As illustrated in Figure 2A, the head 4 has a number of projections 30. These projections 30 complement recesses in the I V body 2 and these projections 30 and recesses engage for releasably securing the head 4 in position relative to the body 2. This is assisted by the biasing member 14 which presses the body 2 and the head 4 together. [0063] The head 4 in Figures 1 to 7 include grooves 18, and the body 2 includes grooves 16. These grooves may, for example, prevent air pockets from impeding the movement of the bolt 1 when a door or window is latched or locked. [0064] Figure 7 illustrates the bolt 1 when positioned in a stile 26 to lock or latch a door or window to a keeper 5, in which the keeper 5 is in a ceiling, head, floor or sill. As illustrated in this figure, rod 10 is connectable to locking rod 24. Locking rod 24 is in turn connected to the remainder of the latch or lock mechanism. The bolt 1 is seated within stile 26, and the stile 26 is capped with stile cap 28. When the lock or latch is actuated, the bolt 1 slides through the aperture 32 in stile cap 28 to engage the keeper 5. [0065] To adjust the bolt 1 of a lock or latch, the bolt 1 may first be placed in a closed position, such that the head 4 of the bolt 1 extends from the door or window to which the latch or lock is fixed. The head 4 may then be rotated relative to body 2 to alter the alignment between the bolt 1 and the keeper 5. [0066] Whilst the above has been given by way of illustrative example of the invention, many modifications and variations may be made thereto by persons skilled in the art without departing from the broad scope and ambit of the invention as herein set forth.
    权利要求:
    Claims (19)
    [1] 1. A bolt for a latch or a lock, the bolt comprising a body and a head for engaging a keeper, wherein the position of the head relative to the body is adjustable in a plane transverse to a main longitudinal axis of the bolt for altering the alignment between the bolt and the keeper.
    [2] 2. The bolt of claim 1, wherein the head is rotatable for adjusting the position of the head relative to the body.
    [3] 3. The bolt of claim 2, wherein the head is rotatable between at least two positions.
    [4] 4. The bolt of claim 3, wherein the head is rotatable between four positions.
    [5] 5. The bolt of any one of claims 1 to 4, wherein the alignment between the bolt and the keeper is adjustable in increments of at least 0.1mm.
    [6] 6. The bolt of claim 5, wherein the alignment between the bolt and the keeper is adjustable in increments of approximately 0.5mm.
    [7] 7. The bolt of any one of claims 1 to 6, wherein the head is eccentrically mounted relative to the body.
    [8] 8. The bolt of any one of claims 1 to 7, wherein the bolt further comprises a rod for mounting the body; a fastening member for fastening the head to the rod; and a biasing member for engaging the head and the body together.
    [9] 9. The bolt of any one of claims 1 to 8, wherein the keeper is in or on a surround frame member.
    [10] 10. The bolt of claim 9, wherein the keeper is in or on a jamb, a head, a sill, a floor or a ceiling.
    [11] 11. A lock comprising the bolt of any one of claims 1 to 10.
    [12] 12. A latch comprising the bolt of any one of claims 1 to 10.
    [13] 13. A door comprising the bolt of any one of claims 1 to 10.
    [14] 14. The door of claim 13, wherein the door is a bi-fold door or multi-fold door. I /_
    [15] 15. The door of claim 14, wherein the bolt is for latching or locking the door to a head or a sill.
    [16] 16. A window comprising the bolt of any one of claims 1 to 10.
    [17] 17. The window of claim 16, wherein the window is a bi-fold window or multi-fold window.
    [18] 18. The window of claim 17, wherein the bolt is for latching or locking the window to a sill or a head.
    [19] 19. A method of altering the alignment between a bolt and a keeper, the method comprising: a. Providing a bolt comprising a body and a head for engaging a keeper, wherein the position of the head relative to the body is adjustable in a plane transverse to a main longitudinal axis of the bolt; and b. Adjusting the position of the head relative to the body to alter the alignment between the bolt and the keeper.
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    同族专利:
    公开号 | 公开日
    AU2013222013B2|2018-02-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US908542A|1908-09-05|1909-01-05|Albert A Day|Eccentric lock-nut.|
    US3880444A|1974-02-22|1975-04-29|Alvin C Bridges|Means to adjust wheel support pivot shaft|
    US5148727A|1990-02-12|1992-09-22|Air Industries Corporation|Installation tool for locking fasteners and method of use|
    DE20209505U1|2002-06-19|2002-09-05|Altenloh, Brinck & Co. Gmbh & Co. Kg|Bolt-washer arrangement and its elements|
    US7726927B2|2006-09-28|2010-06-01|Travis Cook|Quick-adjust for snowmobile clutch|
    法律状态:
    2018-06-21| FGA| Letters patent sealed or granted (standard patent)|
    优先权:
    申请号 | 申请日 | 专利标题
    AU2012903785A|AU2012903785A0||2012-08-31|Bolt For A Latch Or A Lock|
    AU2012903785||2012-08-31||
    AU2013222013A|AU2013222013B2|2012-08-31|2013-08-30|Bolt for a Latch or a Lock|AU2013222013A| AU2013222013B2|2012-08-31|2013-08-30|Bolt for a Latch or a Lock|
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