Rotary switch for table lamp, has freely rotatable control box between lower seat and lamp seat with inner gear rim engaged by gear wheel mounted on lower seat

摘要

The device has left and right lampshades (1,2) supported on upper ends of the supporting arms (4,5) and incandescent bulbs (10,20) are arranged in the shades. The left and right supporting arms are attached at the bottom to the lamp seat (6), which sits on the lower seat (5). A freely rotatable control box (7) between the lower seat and lamp seat has an inner gear rim (71) engaged by a gear wheel (72) mounted on the lower seat. An attachment plate (51) is attached to journals (53) by bolts (52). A gear wheel shaft is joined to a rotary switch (73) shaft.