| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a solar shading member lifting device equipped with a clutch unit without upsizing a screen take-up shaft which stores the clutch unit. <P>SOLUTION: A clutch unit comprises: a rotation drum 81 rotated based on the operation of an operation cord; a transmission drum 86 for driving a lifting operation part; first and second engaging means 87, 88 formed in the transmission drum 86 and in the rotation drum 81, respectively; and a clutch part for transferring rotation of the rotation drum 81 to the transmission drum 86 by engaging the first and second engaging means 87, 88 with each other and for interrupting transmission between the rotation drum 81 and the transmission drum 86 by releasing the engagement between the first and second engaging means 87, 88. The clutch part moves the rotation drum 81 in its axial direction in accordance with the rotation of the rotation drum 81 to engage the first and second engaging means 87, 88 and release the engagement. <P>COPYRIGHT: (C)2012,JPO&INPIT |
