Sheet fixing device

Claim 2

Fixing device for cladding sheets, each of which has a male rib at one end, a female rib at the other end and at least one intermediate hollow rib with internal pockets, the device being securable to a structural member and having, a. means for locating the device with respect to a male rib of a first one of the sheets, the locating means being engageable with the said male rib so that the fixing device and the said first sheet are restrained from a relative lateral movement, b. a snap-action fastening clip spaced from the locating means including arms having free ends for engagement with the internal pockets of an intermediate rib of a second one of the sheets, which second sheet is to be secured to the structural member adjacent the first sheet, c. a spacing member having the locating means at one end and means for receiving the clip at the other end and maintaining the locating means and clip receiving means at a predetermined distance apart, d. said clip being separate from the remainder of the fixing device and having an aperture, and the clip-receiving means having at least one member to pass through the aperture for subsequent deformation to clamp the clip to the clip-receiving means, whereby the clip is engageable with the clip-receiving means for assembly of the device in situ.

Claim 3

Fixing device for cladding sheets, each of which has a male rib at one end, a female rib at the other end and at least one intermediate hollow rib with internal pockets, the device being securable to a structural member and having, a. means for locating the device with respect to a male rib of a first one of the sheets, the locating means being engageable with the said male rib so that the fixing device and the said first sheet are restrained from a relative lateral movement, b. a snap-action fastening clip spaced from the locating means and including arms having free ends for engagement with the internal pockets of an intermediate rib of a second one of the sheets, which second sheet is to be secured to the structural member adjacent the first sheet, c. a spacing member having the locating means at one end and means for receiving the clip at the other end and maintaIning the locating means and clip-receiving means at a predetermined distance apart, d. said clip being separate from the remainder of the fixing device and having an aperture, and the clip-receiving means having a latching member which has a movable projection which is resiliently biassed towards a rest position, the projection being arranged so that on passage of the latching member through the aperture, the projection is engaged by the clip and is moved against the bias from the rest position to allow it to pass through the aperture, the projection springing back after passage through the aperture to prevent withdrawal of the latching member from the aperture, whereby the clip is locked to the clip-receiving means, the clip thus being engageable with the clip-receiving means for assembly of the device in situ.

Claim 4

Fixing device for cladding sheets, each of which has a male rib at one end, a female rib at the other end and at least one intermediate hollow rib with internal pockets, the device being securable to a structural member and having, a. means for locating the device with respect to a male rib of a first one of the sheets, the locating means being engageable with the said male rib so that the fixing device and the said first sheet are restrained from a relative lateral movement, b. a snap-action fastening clip spaced from the locating means and including arms having free ends for engagement with the internal pockets of an intermediate rib of a second one of the sheets, which second sheet is to be secured to the structural member adjacent the first sheet, c. a spacing member having the locating means at one end and means for receiving the clip at the other end and maintaIning the locating means and clip-receiving means at a predetermined distance apart, d. said clip being separate from the remainder of the fixing device and having an aperture, and the clip-receiving means having a latching member which has a movable projection which is resiliently biassed towards a rest position, the projection being arranged so that on passage of the latching member through the aperture, the projection is engaged by the clip and is moved against the bias from the rest position to allow it to pass through the aperture, the projection springing back after passage through the aperture to prevent withdrawal of the latching member from the aperture, whereby the clip is locked to the clip-receiving means, the clip thus being engageable with the clip-receiving means for assembly of the device in situ.

Claim 5

In combination, at least two cladding sheets and a fixing device for use with the sheets, a. each cladding sheet having a male rib at one end and a female rib at the other end and at least one intermediate hollow rib having two opposed walls and an internal pocket in each wall, the said male rib of a first sheet being capable of underlying an interlocking with said female rib of a second sheet when the first and second sheets are juxtaposed, b. the fixing device being securable to a structural member and having, c. means for locating the device with respect to the said male rib of the said first sheet, the locating means being engageable with the said male rib so that the fixing device and the said first sheet are restrained from a relative lateral movement, d. a snap-action fastening clip including arms having free ends for engagement by a snap-action into the said internal pockets of the intermediate rib of the said second sheet which second sheet is to be secured to the structural member adjacent the first sheet, e. a spacing member having the locating means at one end and means for receiving the clip at the other end and maintaining the locating means and clip-receiving means at a predetermined distance apart, f. said clip being separate from the remainder of the fixing device and having an aperture and the clip-receiving means having at least one member to pass through the aperture for subsequent deformation to clamp the clip to the clip-receiving means, whereby the clip is engageable with the said clip-receiving means for assembly of the device in situ, the distance apart of the locating means and the clip when engaged with the clip-receiving means being equal to the distance apart of the said male rib of the first sheet and the said intermediate rib of the second sheet engaged by the clip when the said male rib of the first sheet and the said female rib of the second sheet are interlocked.

Claim 6

In combination, at least two cladding sheets and a fixing device for use with the sheets, a. each cladding sheet having a male rib at one end and a female rib at the other end and at least one intermediate hollow rib having two opposed walls and an internal pocket in each wall, the said male rib of a first sheet being capable of underlying an interlocking with said female rib of a second sheet when the first and second sheets are juxtaposed, b. the fixing device being securable to a structural member and having, c. means for locating the device with respect to the said male rib of the said first sheet, the locating means being engageable with the said male rib so that the fixing device and the said first sheet are restrained from a relative lateral movement, d. a snap-action fastening clip including arms having free ends for engagement by a snap-action into the said internal pockets of the intermediate rib of the said second sheet which second sheet is to be secured to the structural member adjacent the first sheet, e. a spacing member having the locating means at one end and means for receiving the clip at the other end and maintaining the locating means and clip-receiving means at a predetermined distance apart, f. said clip being separate from the remainder of the fixing device and having an aperture and the clip-receiving means having at least one member to pass through the aperture for subsequent deformation to clamp the clip to the clip-receiving means, whereby the clip is engageable with the said clip-receiving means for assembly of the device in situ, the distance apart of the locating means and the clip when engaged with the clip-receiving means being equal to the distance apart of the said male rib of the first sheet and the said intermediate rib of the second sheet engaged by the clip when the said male rib of the first sheet and the said female rib of the second sheet are interlocked.

Claim 7

In combination, at least two cladding sheets and a fixing device for use with the sheets, a. each cladding sheet having a male rib at one end and a female rib at the other end and at least one intermediate hollow rib having two opposed walls and an internal pocket in each wall, the said male rib of a first sheet being capable of underlying and interlocking with said female rib of a second sheet when the first and second sheets are juxtaposed, b. the fixing device being securable to a structural member and having, c. means for locating the device with respect to the said male rib of the said first sheet, the locating means being engageable with the said male rib so that the fixing device and the said first sheet are restrained from a relative lateral movement, d. a snap-action fastening clip including arms having free ends for engagement by a snap-action into the said internal pockets of the intermediate rib of the said second sheet which second sheet is to be secured to the structural member adjacent the first sheet, e. a spacing member having the locating means at one end and means for receiving the clip at the other end and maintaining the locating means and clip-receiving means at a predetermined distance aPart, f. said clip being separate from the remainder of the fixing device and having an aperture and the clip-receiving means having a latching member which has a movable projection which is resiliently biassed towards a rest position, the projection being arranged so that on passage of the latching member through the aperture, the projection is engaged by the clip and is moved against the bias from the rest position to allow it to pass through the aperture, the projection springing back after passage through the aperture to prevent withdrawal of the latching member from the aperture, whereby the clip is locked to the clip-receving means, whereby the clip is engageable with the said clip-receiving means for assembly of the device in situ, the distance apart of the locating means and the clip when engaged with the clip-receiving means being equal to the distance apart of the said male rib of the first sheet and the said intermediate rib of the second sheet engaged by the clip when the said male rib of the first sheet and the said female rib of the second sheet are interlocked.

Claim 8

In combination, at least two cladding sheets and a fixing device for use with the sheets, a. each cladding sheet having a male rib at one end and a female rib at the other end and at least one intermediate hollow rib having two opposed walls and an internal pocket in each wall, the said male rib of a first sheet being capable of underlying and interlocking with said female rib of a second sheet when the first and second sheets are juxtaposed, b. the fixing device being securable to a structural member and having, c. means for locating the device with respect to the said male rib of the said first sheet, the locating means being engageable with the said male rib so that the fixing device and the said first sheet are restrained from a relative lateral movement, d. a snap-action fastening clip including arms having free ends for engagement by a snap-action into the said internal pockets of the intermediate rib of the said second sheet which second sheet is to be secured to the structural member adjacent the first sheet, e. a spacing member having the locating means at one end and means for receiving the clip at the other end and maintaining the locating means and clip-receiving means at a predetermined distance aPart, f. said clip being separate from the remainder of the fixing device and having an aperture and the clip-receiving means having a latching member which has a movable projection which is resiliently biassed towards a rest position, the projection being arranged so that on passage of the latching member through the aperture, the projection is engaged by the clip and is moved against the bias from the rest position to allow it to pass through the aperture, the projection springing back after passage through the aperture to prevent withdrawal of the latching member from the aperture, whereby the clip is locked to the clip-receving means, whereby the clip is engageable with the said clip-receiving means for assembly of the device in situ, the distance apart of the locating means and the clip when engaged with the clip-receiving means being equal to the distance apart of the said male rib of the first sheet and the said intermediate rib of the second sheet engaged by the clip when the said male rib of the first sheet and the said female rib of the second sheet are interlocked.