| 摘要 |
The invention relates to a fastening unit of a signal lamp having a rigid support base, a printed circuit which is placed on a surface of this base, a hole which is passed through the base, a lamp carrier which is installed in the hole and is provided with inner means for electrically connecting the lamp to the circuit, and having means for connecting in the manner of a bayonet catch for locking or blocking the lamp carrier to the base. According to the invention, it is provided that the means for connecting according to the manner of a bayonet catch have at least one first recess which is provided in the circumference of the hole, that a first and a second projecting element are provided which extend outwards beyond the lamp carrier and which form between themselves in the axial sense with respect to the lamp carrier a passage which has a width such that it is at least equal to a strength of the base in the circumferential direction of the hole, the first projecting element having transverse dimensions which are smaller than those of the recess, that a seat is provided in the base, and that a third projecting element is provided which is held by the lamp carrier and can snap into the seat in order to fix or lock the angular position of the lamp carrier with respect to the base. |
