Sectional door

Abstract

Sectional door (1) comprising panels (2) that are hingedly connected to each other, said sectional door (1) being provided with a wicket door (3) fitting in a wicket door frame (4) of the sectional door (1) and connected to the sectional door (1) with hinges (5), wherein the wicket door (3) snugly fits into the wicket door frame (4) with the exterior sides of the wicket door (3) and the sectional door essentially being flush with respect to each other, and the hinges (5) are fitted onto the sectional door (1) and onto the wicket door (3) such that the hinges (5) are free from a visible connection with the wicket door (3), wherein each hinge (5) comprises a first hinge part (5') mountable on the wicket door (3), said first hinge part (5') comprising a hinge door leaf part (6) which is connectable or connected to a wicket door profile (7), which wicket door profile (7) is provided with a connecting element (8) which attaches a diabolo shaped locking element (13) to the wicket door profile (7), and the hinge door leaf part (6) is equipped with a set screw (10) which engages the diabolo shaped locking element (13) so as to clamp the hinge door leaf part (6) and the wicket door profile (7) onto each other.

Description

[0001] The invention relates to a sectional door comprising panels that are hingedly connected to each other, said sectional door being provided with a wicket door fitting in a wicket door profile of the sectional door and connected to the sectional door with hinges, wherein the wicket door fits into the wicket door profile with the exterior sides of the wicket door and the sectional door essentially being flush with respect to each other.

[0002] EP 1 876 317 provides an example of such a sectional door, and discloses that the wicket door allows passage through the sectional door without having to move the entire sectional door. The wicket door can be opened and closed manually and can therefore also be actuated if a drive of the sectional door fails. Furthermore, wicket doors can be opened quickly and reliably in emergency situations, which is why sectional doors whose door leaves have a wicket door are particularly suitable for industrial applications and for garages and halls that do not have an additional exit in addition to the sectional door.

[0003] DE 20 2006 003 330, EP 3 051 051 and EP 4 098 836 each disclose a sectional door according to the preamble of claim 1, wherein the wicket door snugly fits into the wicket door profile and the hinges are fitted onto the sectional door and onto the wicket door such that the hinges are free from a visible connection with the wicket door.

[0004] It is a known problem that, generally speaking, wicket doors of the prior art have a limited opening angle which restricts the user in making full use of a wicket door in every feasible situation.

[0005] It is therefore an object of the invention to increase the maximum angle to which the wicket door, which is mounted in a sectional door, can be opened, whilst avoiding the use of usually visible mounting features for the wicket door in the form of cover plates. In particular this requirement to avoid cover plates limits the theoretical options according to which the object to increase the opening angle of the wicket door can be achieved.

[0006] According to the invention the sectional door is provided with the features of one or more of the appended claims.

[0007] In a first aspect of the invention wherein each hinge comprises a first hinge part mounted on the wicket door, said first hinge part comprising a hinge door leaf part which is connected to a wicket door profile, said wicket door profile is provided with a connecting element which attaches a diabolo shaped locking element to the wicket door profile, and the hinge door leaf part is equipped with a set screw which engages the diabolo shaped locking element so as to clamp the hinge door leaf part and the wicket door profile onto each other.

[0008] Every visible connection of the hinge with the wicket door can be located behind the hinge door leaf part and therefore be avoided. By applying hinges that are fitted onto both the sectional door and onto the wicket door it is possible to locate the rotational axle along which the wicket door rotates, outside of the sectional door. Accordingly it is possible to open the wicket door of the sectional door of the invention over an angle of practically 180°.

[0009] The diabolo shaped locking element can effectively be used for an accurate mounting and close fit of the wicket door in the wicket door frame. Further for this purpose the hinge door leaf part is equipped with said set screw for engaging the diabolo shaped locking element so as to clamp the hinge door leaf part and the wicket door profile onto each other. This makes the accurate mounting of the wicket door in the sectional door an easy task, so as to guarantee s snug fit of the wicket door in the sectional door, whilst maintaining the ability to open the wicket door over a wide angle.

[0010] Preferably the connecting element is one element selected from the group comprising a blind rivet, a threaded bush with bolt, a thread-forming parker.

[0011] Preferably the diabolo shaped locking element fits into an aperture of the hinge door leaf part on a side facing the wicket door profile. Accordingly neither the diabolo shaped locking element nor its connecting element, such as a blind rivet, is visible from the outside.

[0012] Preferably the set screw is provided with a forward point engaging an oblique surface of the diabolo shaped locking element. By the engaging action of the forward point of the set screw on the oblique surface of the diabolo shaped locking element a tight and accurate fit can be achieved between the hinge door leaf part of the hinge and the wicket door profile of the wicket door.

[0013] The accurate mounting of the wicket door in the sectional door can further be promoted by arranging that the wicket door profile is provided with a tongue which abuts an upstanding ridge provided on the side of the hinge door leaf part facing the wicket door profile. For this purpose it is preferred that the upstanding ridge is provided on the hinge door leaf part distant from the set screw.

[0014] The accompanying drawing, which is incorporated into and forms a part of the specification, illustrates one or more embodiments of the present invention and, together with the description, serves to explain the principles of the invention. The drawing is only for the purpose of illustrating one or more embodiments of the invention and is not to be construed as limiting the invention.

[0015] In the drawing: figures 1A-C show the sectional door of the invention when it is open, seen from the inside, and seen from the outside; figure 2A shows a sectional view through a single hinge part which is provided onto a wicket door; figure 2B shows an exploded view of the hinge part of figure 2A; figure 2C shows an isometric view at the hinge part of figure 2A; and figures 3A and 3B show the hinge as applied in the sectional door of the invention with a hinge part as shown in figures 2A-C and provided onto the wicket door, and another hinge part provided onto the sectional door.

[0016] Whenever in the figures the same reference numerals are applied, these numerals refer to the same parts.

[0017] Turning first to figures 1A-1C, it shows a sectional door 1 comprising panels 2 that are hingedly connected to each other. The sectional door 1 is provided with a wicket door 3 fitting in a wicket door frame 4 of the sectional door 1 and connected to the sectional door 1 with hinges 5 as is shown in fig. 1A and fig. 1C, which embody the sectional door as seen from outside, as opposed to figure 1B showing the sectional door from the inside.

[0018] In the sectional door 1 of the invention the wicket door 3 snugly fits into the wicket door frame 4 with the exterior sides of the sectional door 1 and the wicket door 3 essentially being flush with respect to each other.

[0019] In the sectional door 1 of the invention the hinges 5 are fitted onto the sectional door 1 and onto the wicket door 3 such that the hinges 5 are free from a visible connection with the wicket door 3. Of course the hinges 5 are visible in themselves, but it is not possible to see how the hinges 5 are connected with the wicket door 3. Preferably this also applies to the connection of the hinges 5 with the sectional door 1, notably the wicket door frame 4.

[0020] Turning now to figures 2A - 2C with details of a single hinge 5, it is shown how the invisible connection of the hinges 5 with the wicket door 3 is achieved.

[0021] Each hinge 5 comprises a first hinge part 5' mountable on the wicket door 3, said first hinge part 5' comprising a hinge door leaf part 6 which is connectable or connected to a wicket door profile 7. The wicket door profile 7 is provided with a connecting element 8 for attaching a diabolo shaped locking element 13 to the wicket door profile 7. The connecting element 8 can be any element selected from the group comprising a blind rivet, a threaded bush with bolt, a thread-forming parker. A blind rivet is shown as being the preferred connecting element 8.

[0022] It is shown that the diabolo shaped locking element 13 fits into an aperture 9 of the hinge door leaf part 6 on a side facing the wicket door profile 7. Further it is desirable that the hinge door leaf part 6 is equipped with a set screw 10 for engaging the diabolo shaped locking element 13 residing in the aperture 9 of the hinge door leaf part 6, so as to clamp the hinge door leaf part 6 and the wicket door profile 7 onto each other. This may be best understood with reference to figure 2A. Further most clearly seen in figure 2B but may be best understood with reference to figure 2A, it is shown that the set screw 10 is provided with a forward point 11 engaging an oblique surface 12 of the diabolo shaped locking element 13.

[0023] It further shows in figure 2A that for realizing the above clamping action of the wicket door profile 7 and the hinge door leaf part 6 onto each other, the wicket door profile 7 is provided with a tongue 7' which abuts an upstanding ridge 6' provided on the side of the hinge door leaf part 6 facing the wicket door profile 7. The upstanding ridge 6' is provided on the hinge door leaf part 6 distant from the set screw 10.

[0024] Finally figures 3A and 3B show the hinge part 5' being mounted on a wicket door 3 together with the part of the hinge 5 which is connected to the sectional door 1. Figure 3A shows the wicket door 3 in an open position, whilst figure 3B shows the wicket door 3 when it is in a closed position.

[0025] Embodiments of the present invention can include every combination of features that are disclosed herein independently from each other, as long as such combination falls within the scope of the appended claims. Although the invention has been discussed in the foregoing with reference to an exemplary embodiment of the invention, the invention is not restricted to this particular embodiment which can be varied in many ways within the scope of the appended claims. The discussed exemplary embodiment shall therefore not be used to construe the appended claims strictly in accordance therewith. On the contrary the embodiment is merely intended to explain the wording of the appended claims without intent to limit the claims to this exemplary embodiment. The scope of protection of the invention shall therefore be construed in accordance with the appended claims only, wherein a possible ambiguity in the wording of the claims shall be resolved using this exemplary embodiment.

[0026] Variations and modifications of the present invention will be obvious to those skilled in the art. Unless specifically stated as being "essential" above, none of the various components or the interrelationship thereof are essential to the operation of the invention. Rather, desirable results can be achieved by substituting various components and / or reconfiguration of their relationships with one another, within the scope of the appended claims.

Claims

1. Sectional door (1) comprising panels (2) that are hingedly connected to each other, said sectional door (1) being provided with a wicket door (3) fitting in a wicket door frame (4) of the sectional door (1) and connected to the sectional door (1) with hinges (5), wherein the wicket door (3) snugly fits into the wicket door frame (4) with the exterior sides of the wicket door (3) and the sectional door essentially being flush with respect to each other, and the hinges (5) are fitted onto the sectional door (1) and onto the wicket door (3) such that the hinges (5) are free from a visible connection with the wicket door (3), characterized in that each hinge (5) comprises a first hinge part (5') mounted on the wicket door (3), said first hinge part (5') comprising a hinge door leaf part (6) which is connected to a wicket door profile (7), which wicket door profile (7) is provided with a connecting element (8) which attaches a diabolo shaped locking element (13) to the wicket door profile (7), and the hinge door leaf part (6) is equipped with a set screw (10) which engages the diabolo shaped locking element (13) so as to clamp the hinge door leaf part (6) and the wicket door profile (7) onto each other.

2. Sectional door according to claim 1, characterized in that the connecting element (8) is one element selected from the group comprising a blind rivet, a threaded bush with bolt, a thread-forming parker.

3. Sectional door according to claim 1 or 2, characterized in that the diabolo shaped locking element (13) fits into an aperture (9) of the hinge door leaf part (6) on a side facing the wicket door profile (7).

4. Sectional door according to any one of claims 1-3, characterized in that the set screw (10) is provided with a forward point (11) engaging an oblique surface (12) of the diabolo shaped locking element (13).

5. Sectional door according to any one of claims 1-4, characterized in that the wicket door profile (7) is provided with a tongue (7') which abuts an upstanding ridge (6') provided on the side of the hinge door leaf part (6) facing the wicket door profile (7).

6. Sectional door according to claim 5, characterized in that the upstanding ridge (6') is provided on the hinge door leaf part(6) distant from the set screw (10).

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