| 摘要 |
A vertical venetian blind of the type in which carriages having rotatable slat carriers are mounted for movement along a horizontal support channel and in which the slat carriers on the several carriages are simultaneously rotated by means of a shaft extending longitudinally of the channel. The shaft drive mechanism includes a planetary type gear mechanism mounted in the channel in-line with the operating shaft to drivingly interconnect a drive sprocket at the end of the housing to the shaft with a relatively high speed reduction.
|
