[0001] Roof tiles are increasingly being fixed to a roof construction by means of so-called
tile hooks in order to prevent the possibility of the tiles being dislodged at strong
wind force and causing injury to persons and damage.
[0002] The European patent specification EP-A-0 687 337 describes a tile hook, wherein two
tiles are clamped onto each other between a hook-like bend and a shoulder. This known
tile hook is needlessly complicated in construction and therefore costly.
[0003] Known from the British patent GB-A-2 101 172 is a tile hook of wire material which
is provided on one side with a pin which engages in a tile batten and on the other
side with a hook-shaped outer end which engages over an edge of a roof tile. The holding
force exerted by this known tile hook, particularly on the underside of a tile batten,
is found in practice to be inadequate.
[0004] The present invention has for its object to provide an improved tile hook which is
comparatively simple to manufacture at low cost price and which has a sufficient holding
force for the roof tiles, for instance more than 150 Newton and preferably more than
200 Newton.
[0005] The present invention provides a device for securing one or more roof covering elements
on a roof construction, comprising:
- a hook-shaped part for engaging on an edge of a roof covering element;
- a body part which connects onto the hook part and which is provided with a resilient
piece; and
- a fixing part which extends substantially transversely of the body part and which
is provided with a backward pointing piercing part for fixing in a component of the
roof construction.
[0006] The backward pointing piercing part ensures that the tile hook hooks firmly into
a tile batten.
[0007] The resilient piece is preferably formed by a loop in the wire part forming the body
of the device according to the present invention.
[0008] A bend is preferably situated in the wire part at some distance from the piercing
part so as to prevent the possibility of the piercing part being pulled out of a tile
batten in the case of load.
[0009] The present invention further provides a roof, in addition to a method for arranging
a roof covering on a roof construction.
[0010] Further advantages, features and details of the present invention will be elucidated
on the basis of the following description of a preferred embodiment thereof with reference
to the annexed drawings, in which:
fig. 1 shows a view in perspective of a partly arranged roof which is arranged as
according to the present invention;
fig. 2 is a partly broken-away view of detail II of fig. 1; and
fig. 3 shows a view in perspective of a preferred embodiment of a device according
to the present invention.
[0011] Roof tiles 1 are laid in overlapping manner on a roof boarding 2 of which tile battens
3 form part. A tile hook 5 is arranged over an edge 4 of roof tile 1, for instance
round every other roof tile (see also fig. 2 and 3).
[0012] Tile hook 5 is preferably manufactured from wire material preferably of stainless
steel (SS) and comprises at a distance from a first outer end 10 a perpendicular bend
11 through roughly 90° (fig. 2, 3), from which position the wire material extends
to a second bend 12 of roughly 90°, wherein the distance of the part 13 between bends
11 and 12 roughly corresponds with the width W of the edge of a roof tile 1.
[0013] From bend 12 the wire material extends via a loop 14, which ensures an adequate spring
action of tile hook 5, up to a bend 15 with an angle of about 135°, from which position
a piece of wire material 16 extends to a piercing part 17 which extends at an acute
angle of roughly 30-45° relative to part 16 and which is provided on the outer end
with a sharp point which is obtained for instance by cutting the wire material. The
end 10 of tile hook 5 is arranged manually over an edge of roof tile 1, whereafter
the piece of wire material 16 is placed behind tile batten 3. Due to the spring action
of tile hook 5 the sharp point of tile hook 5 is attached fixedly in tile batten 3,
whereby tile hook 5 remains tightly fixed in tile batten 3 even under load. The spring
action of tile hook 5 will moreover compensate possible differences in tile batten
thickness.
[0014] The present invention is not limited to the above described preferred embodiment;
the rights sought are defined by the following claims, within the scope of which many
modifications can be envisaged.
1. Device for securing one or more roof covering elements on a roof construction, comprising:
- a hook-shaped part for engaging on an edge of a roof covering element;
- a body part which connects onto the hook part and which is provided with a resilient
piece; and
- a fixing part which extends substantially transversely of the body part and which
is provided with a backward pointing piercing part for fixing in a component of the
roof construction.
2. Device as claimed in claim 1, manufactured from a single piece of steel in the form
of wire.
3. Device as claimed in claim 1 or 2, wherein the hook part is formed by two bends in
the steel.
4. Device as claimed in claim 1, 2 or 3, wherein the resilient piece is formed by a loop
in the body part.
5. Device as claimed in claim 1, 2, 3 or 4, wherein the transition between the body part
and the fixing part is formed by a bend.
6. Device as claimed in one or more of the claims 1-5, wherein the piercing part is provided
with a chamfered point.
7. Device as claimed in any of the claims 1-6, wherein the piercing part points backward
through an angle of more than 90°.
8. Roof comprising a roof covering, roof covering elements such as roof tiles, and one
or more devices as claimed in one or more of the claims 1-7.
9. Method for arranging a roof covering on a roof construction, wherein a roof covering
element such as a roof tile is laid on a roof construction and a preceding roof covering
element, wherein the hook part is clamped over an edge of the roof covering element
and the piercing part is pulled into a wooden beam of the roof construction.