[0001] The invention relates to a bracket or clip, for use in the formation of a wall (e.g.
a stud wall), which receives a member made, for example, of lightweight metal or cold
rolled structural steel.
[0002] Stud walls usually comprise vertical studs at the top of which there is a head channel.
The head channel may be connected to the underside of a beam or a grid floor that
deflects and accordingly the parts are arranged so that the head channel can move
up and down in the vertical plane freely and independently of the vertical studs.
It is known to use various shapes of clip for this purpose. They all suffer from disadvantages
in terms of their ease of manufacture and/or safety and/or ease of assembly and their
efficiency in use.
[0003] Two such clips are disclosed in US 5040345 and GB 2364335.
[0004] In one aspect the invention provides a clip to be received in the head channel of
a stud wall, the clip comprising a generally planar base and a pair of side walls
projecting upwardly from opposite sides of the base, indents extending inwardly from
opposite sides of the base at a location adjacent of the side walls to form a waist
whereby the base comprises a major portion and an extension portion whereby when the
clip is received in a head channel the associated stud wall member can move in a vertical
direction.
[0005] Preferably the side walls and the head channel are held together by screws or like
retention means against lateral movement.
[0006] In another aspect the invention provides a clip for a stud wall, the clip comprising
a base and a pair of opposed side walls projecting from opposed edges of the base
having an extension portion joined thereto by a waist portion, the waist portion being
rebated with respect to the base to provide a pair of opposed indents, the indents
being arranged such that, in use, with the clip disposed within a head channel member
and the distal edges of the side walls abutting or lying adjacent the inner surface
of the channel member margins, for example in-turned margins, of a stud wall member
are receivable in the indents to allow the stud wall member to move in a direction
along its longitudinal axis but to restrict movement of the stud wall member otherwise.
[0007] In order that the invention may be well understood it will now be described by example
only with reference to the following diagrammatic drawings:
Figure 1 is a side elevation of the top portion of a stud wall according to the invention;
Figure 2 is a perspective view of one clip of the invention; and
Figure 3 is a perspective view of another clip of the invention.
[0008] The stud wall shown in Figure 1 comprises a deflection head channel 1, above which
is a beam 2 made of concrete or steel. The head channel 1 comprises a base 3 having
longitudinally extending upright sidewalls 4. The head channel 1 is joined to the
top end of vertical studs 15 at its ends and may also be at spaced apart locations.
The terminal surface at the end of the stud 15 will usually be about 15-40 mm (e.g.
25 to 35 mm), from the base 3 to provide a deflection gap.
[0009] A clip C1 is located in, and may protrude below, the head channel 1 to render visible
evidence of installation. As best shown in Figure 2 the clip C1 comprises an elongate
base 10 having opposite upright side walls 11. The sidewalls 11 extend only along
part of the length of the base 10 and where they end inwardly extending indents 12
are present to define a waist 13. A short, full width, extension 14 is present beyond
the waist 13.
[0010] The gauge of the head channel 1 and of the clip C1 can be of much reduced thickness
than is usually used.
[0011] In use, the clip C1 is received in the head channel 1 above a vertical stud channel
15. The clip C1 allows vertical movement (but not sideways movement) to take place
as loads are applied to the beam 2.
[0012] Restraining means, for example screws such as self tapping screws may be used to
restrain movement of the Clip C1 with respect to the head channel 1.
[0013] In the embodiment of Figure 3 the opposite side walls 11 of clip C2 have inwardly
extending portions 16 to fit into the head channel, which may extend orthogonally
to the sidewalls 11 or may be arranged to describe an acute or obtuse angle with the
sidewalls 11.
[0014] The advantages of a clip C1, C2 of this invention are that the vertical stud 15 can
be located anywhere in a deflection head channel 1. The clip C2 positively restrains
the vertical stud 15 against rotational forces, the result of which the there is little
or no need for bracing. The depth of the clip C1, C2 ensures positive restraint to
the stud 15 within the full depth of the head channel 1 and ensures a high visibility
that the clip C1, C2 is in position and working. In addition the clip C1, C2 reinforces
local area of the head track 1 to the maximum applied load from the vertical which
enables the head track 1 to have a lower wall thickness.
[0015] Each clip C1, C2 may be supplied in one gauge only for all applications say 1.0-1.9
mm, preferably 1.1-1.5 mm (say 1.2 mm), and the design is stiff enough to resist flexing
when fixing into position.
[0016] Where the clip C1, C2 has a tapered angle which matches the head track the clip C1,
C2 is prevented from falling out prior to fixing. The clip C1, C2 may also have reinforcing
ribs 17 where the side walls 11 of the channel meet the base 10.
[0017] The clips C1, C2 may be provided in various sizes to fit correspondingly rigid head
channels.
1. A clip (C1, C2) adapted to be received in the head channel (1) of a stud wall, the
clip (C1, C2) comprising a generally planar base (10) and a pair of side walls (11)
projecting upwardly from opposite sides of the base (10), indents (12) extending inwardly
from opposite sides of the base (10) at a location adjacent the side walls (11) to
form a waist (13) whereby the base (10) comprises a major portion and an extension
portion (14) whereby when the clip (C1, C2) is received in a head channel (1) of an
associated stud wall (15) member can move in a vertical direction.
2. A clip (C1, C2) as claimed in Claim 1, wherein the side walls (H) and the head channel
are held together by screws or the like against lateral movement.
3. A clip (C1, C2) for a stud wall, the clip (C1, C2) comprising a base (10) and a pair
of opposed side walls (11) projecting from opposed edges of the base (10) having an
extension portion (14) joined thereto by a waist portion (13), the waist portion (13)
being rebated with respect to the base (10) to provide a pair of opposed indents (12),
the indents (12) being arranged such that, in use, with the clip (C1, C2) disposed
within a head channel member (1) and distal edges of the side walls (11) abutting
or lying adjacent inner surfaces of the head channel member (1), margins of a stud
wall member (15) are receivable in the indents (12) to allow the stud wall member
(15) to move in a direction along its longitudinal axis but to restrict movement of
the stud wall member (15) otherwise.
4. A clip (C2) according to any of Claims 1 to 3, wherein each side wall (11) has a foot
portion (16) joined thereto, the foot portions (16) extending towards one another.
5. A clip (C2) according to any preceding Claim, further comprising reinforcing ribs
(17) provided at the juncture of side walls (11) and base (10).
6. A method of constructing a stud wall, the method comprising locating a clip according
to any preceding Claim in a head channel and locating an end of a stud wall member
in the waist of the clip, to restrain movement thereof.