| 摘要 |
Luminaire comprising a base in which there is an opening, and a lamp housing having a projecting tubular wall portion which is detachably lockable in the opening of the base and is rotatable therein around its longitudinal axis. In accordance with the invention the said wall portion is provided around its end to be placed in the opening with a resilient metal sleeve, which is fixed in the axial direction, the tubular wall portion being rotatable with resistance within the sleeve. On placing the wall portion in the opening the sleeve assumes a fixed position with respect to the base. |
