发明授权
- 专利标题： AN OPERATING DEVICE FOR A SCREENING ARRANGEMENT
- 专利标题（中）： 驱动装置FOR A屏蔽
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申请号： EP96903941.1申请日： 1996-03-06
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公开(公告)号： EP0813646B1公开(公告)日： 1998-11-25
- 发明人: MADSEN, Lars, Holck
- 申请人： VELUX Industri A/S
- 申请人地址： 10 Tobaksvejen 2860 Soborg DK
- 专利权人： VELUX Industri A/S
- 当前专利权人： VELUX Industri A/S
- 当前专利权人地址： 10 Tobaksvejen 2860 Soborg DK
- 代理机构： Raffnsöe, Knud Rosenstand
- 优先权： DK23095 19950306
- 国际公布： WO9627728 19960912
- 主分类号： E06B9/322
- IPC分类号： E06B9/322
摘要：
The operating device comprises an input shaft (20) which by one end is connected with a driving means with a rotatable wheel (17) for receiving an endless cord (8), and which by the other end is coupled to an output shaft (14) which is connected in a rotationally locked manner with the screening arrangement. The input shaft (20) is connected with the output shaft (14) via a transmission shifting device, in particular a planet gear (21). Between the transmission shifting device and the output shaft, a mechanism is engaged for limitation of the transferred driving torque. This mechanism is constituted by a sliding clutch comprising a first coupling part (25) in connection with the transmission shifting device (21) and a second coupling part (26) in connection with the output shaft (14). The first coupling part (25) may comprise a toothed shaft (24) and the second coupling part (26) a slotted and toothed rim (27), or vice versa. Furthermore, a braking means is provided for retaining the screening arrangement in an arbitrary position.
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