Communications: electrical – Traffic control indicator – Portable
Patent
1987-09-29
1989-09-05
Yasich, Daniel M.
Communications: electrical
Traffic control indicator
Portable
116 63P, 116202, 350 97, E01F 904, G02B 512
Patent
active
048642991
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD OF THE INVENTION
The invention relates to a guide beacon in order to safeguard working places. More particularly, the present invention relates to a guide beacon having a base plate and with a beacon plate vertically arranged and secured in a recess of the base plate.
PRIOR ART
A guide beacon of this type serves for the safeguarding, traffic guidance and blocking of working places, particularly road construction sites, and for the marking of roadways and the blocking in the working area. The base plate must have high steadiness and stability. On the one hand, the beacon plate must be connected to the base plate sufficiently firmly and, on the other hand, should be sufficiently elastic, in order to be able to deflect if it is hit by a vehicle. The beacon plate shall not break. In addition, it is necessary that the beacon plate can be used again after deformation caused by an accident. These requirements are hardly consistent with one another.
SUMMARY OF THE INVENTION
The object of the invention is to provide a guide beacon that, on the one hand, is stable and break-proof and thus does not present a hazard for the safety on the road, and that, on the other hand, the beacon plate is restorable to its original shape after distortion and thus is reusable.
According to the invention this object is achieved in that the beacon plate is made of a high impact-resistant thermoplastic resin or an elastomer-modified thermoplastic resin and has vertical edge profiles. Since the beacon plate is to be restorable to its original shape following a distortion thereof, such as after an accident, the high-impact resistant or elastomer-modified resins useful in connection with the present invention dictate that such resins be copolymers having gum-like, or resilient, properties.
The invention differs from the prior art in that the beacon plate is clipped on one side into the base plate and due to its high impact-resistant property is adapted to deflect without breaking, in case of an impact. It is possible to restore the beacon plate to its original shape without destruction and thus it is reusable after a damage. The beacon plate is break-proof and is not a risk for the safety on the road. The beacon plate cannot loosen from the base plate. The beacon plate may be produced by injection molding or extrusion.
In order to increase the rigidness of the guide beacon it is provided by the invention that the edge profiles are formed as hollow profiles for receiving reinforcement elements. More particularly, the edge profiles of the beacon plate and base plate are edge portions of the same which are formed by an extrusion method. Such edge profiles, or edge portions, are shown in the accompanying drawing figures and are described in greater detail hereinafter. Thereby it is possible to adapt the beacon plate to different requirements and load conditions. The reinforcement elements may comprise, if necessary, weak points, in order to influence the behavior of the bacon plate. The reinforcement elements can be removed without difficulty so that they can be replaced after damage.
For clamping and receiving the reinforcement elements it is provided that the edge profiles are formed as outwardly open trough profiles. Thereby the reinforcement elements are easily replaceable.
For holding the beacon plate, it is provided that the recess of the base plate is formed as a slot with eye-shaped end portions and with, at least, one transverse passage for a securing element. Thereby the beacon plate can be clamped firmly and is safely supported.
The clamping effect is increased in that the slot walls comprise a comb-like profile.
One obtains particularly simple and adaptive reinforcement elements in that the reinforcement elements are provided as tubes rods or spring elements. The spring elements may be helical springs. By an appropriate dimensioning of the reinforcement elements it is possible to change stepwise the deformability of the beacon plate.
A warning lamp can be arranged in such a manner that on the upper end of th
REFERENCES:
patent: 4245922 (1981-01-01), Auriemma
patent: 4398239 (1983-08-01), de Vos et al.
patent: 4475101 (1984-10-01), Kulp et al.
patent: 4674431 (1987-06-01), Cory
Schindler Edwin D.
Yasich Daniel M.
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