Joints and connections – Interfitted members – Rigid angle
Reexamination Certificate
1999-04-16
2001-09-11
Browne, Lynne H. (Department: 3629)
Joints and connections
Interfitted members
Rigid angle
C016S016000, C016S004000
Reexamination Certificate
active
06287046
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to a device for fixing longitudinally grooved cover strips, comprising a holding plate to be fixed with its rear side on a wall or the like, which holding plate has at least one forwardly protruding holding leg to be clampingly inserted in a longitudinal groove of the cover strips.
DESCRIPTION OF THE PRIOR ART
Such devices are used for the clip-like fixing of cover strips, such as mop boards or other skirt boards or end strips, which strips having longitudinal grooves adapted to the holding legs in arrangement and cross-section can be clampingly mounted on the pre-assembled holding plates, so that an invisible fixing possibility is obtained, and the strips can be assembled and, if necessary, be disassembled without separate screw connections or nailings. The known devices now comprise holding plates designed as individual fittings, which must be screwed to the supporting wall surface with a mutual distance, which for an exact attachment of the strips requires a planar wall. In the case of curved walls or similarly uneven walls, there are often formed gaps between wall surface and cover strip between the individual fixing fittings and there are also major tensions in the cover strips, which may even endanger the strip holder itself. A proper assembly of the strip therefore requires a careful setting of the fixing fittings with larger or smaller distances adapted to the respective conditions of the supporting wall, which leads to a considerable assembly effort.
It is therefore the object underlying the invention to create a fixing device as described above, which with a relatively simple assembly involves an exact strip attachment largely independent of the respective supporting wall.
SUMMARY OF THE INVENTION
This object is solved by the invention in that the holding plate together with its holding legs has been prolonged to form a holding rail, whose holding legs extending like webs across the length of the holding rail form resilient clamping parts transverse to the longitudinal direction. These holding rails have been adapted in their length to the length of the cover strips to be mounted and are fixed at the supporting wall or the like as continuous holding rails, so that with their holding legs they form a continuous holder for the cover strips, which as in the fixing fittings are clampingly pressed onto the holding legs with their longitudinal grooves adapted to the holding legs. The continuous clamp fit of the cover strips on the holding rails ensures a safe and proper connection of the cover strips with the holding rail and thus a proper extension of the strips also with respect to an uneven wall surface, to which uneven portions the holding rail together with the cover strip can easily conform due to its sufficient bending elasticity. Since the assembly length leads to manufacturing- and laying-related vertical tolerances, the holding legs form resilient clamping parts transverse to the longitudinal direction, which clamping parts compensate these vertical tolerances due to their resilience and nevertheless lead to the required clamping connection between holding leg and cover strip. Depending on the application, the holding rail can have a different cross-section like the known fixing fittings, and to facilitate the assembly it can have a forwardly bent bottom flange to be placed on the ground, for use in the vicinity of the inner edge it can have a suitable bent cross-section adapted to the conditions of the inner edge, and the like.
When the holding legs have clamping lips formed at a web portion in a wedge-like manner, preferably vertically offset with respect to each other, clamping parts are formed which can bridge a relatively large range of tolerance and ensure a sufficiently stable mounting of the cover strips.
Another possibility of providing suitable clamping parts is obtained in that the holding legs are longitudinally ribbed on both sides and at the insertion side have a longitudinal slot, so that the slotted holding legs provide the required resilience and together with the longitudinal ribs a relatively firm clamping connection in the range of tolerance can be achieved.
REFERENCES:
patent: 2073278 (1937-03-01), Hohl
patent: 2230688 (1941-02-01), Irwin
patent: 2927339 (1960-03-01), Grunwald
patent: 2996751 (1961-08-01), Roby et al.
patent: 4385850 (1983-05-01), Bobath
patent: 5096753 (1992-03-01), McCue et al.
patent: 5661874 (1997-09-01), Latour
patent: 2169935A (1986-07-01), None
Browne Lynne H.
Collard & Roe P.C.
Cottingham John R.
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