Static structures (e.g. – buildings) – Assembled in situ-type anchor or tie
Patent
1994-08-01
1996-08-20
Friedman, Carl D.
Static structures (e.g., buildings)
Assembled in situ-type anchor or tie
52766, 24522, 2482282, 24823131, E04B 158, F16B 214
Patent
active
055467245
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device for beam anchoring.
Different types of beams are used as load-bearing devices in building and construction work. The traditional I-beam is perhaps the most common beam used in this respect. In the construction of a building, for instance, it is often necessary to anchor different auxiliaries to such beams for a longer or shorter period of time, in order to facilitate building work or to join together various building elements or structural elements which include a profiled beam section or the like. Hitherto, this has been effected, particularly in the case of wooden beams, by nailing the building element concerned to the beams, or by drilling holes and securing said building element with the aid of nuts and bolts. These anchoring methods are relatively time-consuming and the building elements thus anchored cannot be readily released or removed when their functional task has been completed. Moreover, the strength of the join thus obtained is determined arbitrarily, for instance depending on how and where the nails are driven into the beams or where and how the bolts are positioned, and the forces acting in the joins are transferred in a punctiform fashion in the interface between the elements. It is, therefore, desirable to improve the aforesaid anchoring methods with the aid of an anchorage device which can be handled simply, which is cheap to manufacture and which can be quickly anchored to and removed from a load-bearing construction element, for instance an I-beam.
The object of the invention is therefore to provide a device of the aforesaid kind which has properties that will eliminate the aforesaid drawbacks.
This object is achieved with a device of the kind defined thereafter.
Thus, the inventive beam anchorage device is a wedge-shaped beam attachment which can be fitted to, i.e. anchored to and removed from, the flanges of an I-beam at any chosen position therealong, said beam including, for instance, elongated wooden elements. The beam need not be provided with any separate attachment point in the form of a machined location, attachment hole, attachment element or any particularly configured part. Depending on the area of use, the building or structural element to be anchored to the beam is firmly screwed, welded or in some other known manner attached to the outer surface of the beam attachment, which is configured to provide an optimum grip around the edge or edges of the beam. This grip is achieved by virtue of the fact that the attachment is bent from metal sheet, preferably steel plate, suitably surface-treated against corrosion, such as to form a first and a second leg which extend at right angles to one another. The outer extremities of respective legs are bent to a predetermined angle. The second leg is provided with a slot which extends generally at right angles from the outer edge of the leg to roughly the midway point of said leg, said slot being located in the centre part of the attachment. Mounted in the slot is a locking device which can move freely between two limit positions determined by stop means mounted at respective ends of the device.
When fitting the attachment, or anchoring device, the locking device is pressed against one edge of a beam to which the attachment shall be fitted and also to the outer edge of the bent leg. Depending on the configuration of the locking device, the length of the bent outer edge and the predetermined value of the angle of the bend, when the attachment is fitted, the pressure forces will act at different angles on different parts of the upper flange of the beam. In this regard, an advantage is afforded when the pressure force is directed in towards the join line between the legs and thus defines an angle which is greater than zero degrees in relation to the other leg. The point of engagement with the edge of the beam flange is preferably located at a distance from the upper surface of the beam which is greater than half the thickness of the flange .
A preferred embodiment of the invention will now be describ
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Combisafe International Aktiebolag
Friedman Carl D.
Wilkens Kevin D.
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