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Heavy-curtain driving device

A drive and curtain technology, applied in the field of curtain drive, can solve the problem of not fully opening or fully closing

Inactive Publication Date: 2005-04-06
毛启明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, this device is not suitable for long valance rods, i.e. wide windows or wall coverings with low ceilings in rooms, since the length of the vertical tie rod is then shorter than the length of the valance rod, which would cause problems when the curtain is not fully opened. Or fully closed, so that the magnet hits the switch

Method used

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  • Heavy-curtain driving device
  • Heavy-curtain driving device
  • Heavy-curtain driving device

Examples

Experimental program
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Effect test

Embodiment Construction

[0053] First, refer to Figure 1 and figure 2 , Curtains 10 and 12 are mounted on a curtain rod 14 in a conventional manner. A valance cord 16 is placed over the curtain rod 14 and engages the curtains 10 and 12 mounted on the curtain rod 14 proximate to a supporting surface (eg, ceiling or wall 17). At each end of the curtain rod 14 a stopper 18 is provided.

[0054] In Figure 1 and figure 2 In this case, a valance driver according to the present invention is indicated by reference numeral 20 . The valance driver 20 is secured to the wall 17 adjacent to the curtain 12 and engages the valance cord 16 . The location of the valance actuator 20 is not particularly limited and may vary according to the wall space allocated to each side of the curtains 10 and 12 .

[0055] image 3 A valance driver 20 mounted on the wall 17 in another way is shown. like image 3 and 4 As shown, the valance cord 16 is engaged with a pulley 22 to form a loop. The valance driver 20 then engage...

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PUM

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Abstract

A drapery actuator to open and close draperies, comprising a housing and a drive pulley supported by the housing to engage a drapery cord coupled to a drape. A motor, typically a D.C. motor, is supported by the housing for providing torque to reversibly rotate the drive pulley to move the drapery cord between a first extreme (typically closed) position and a second extreme (typically open) position. A first electrical switch operatively connected to the motor functions as a cut-out switch and reversing switch to stop the motor from continued turning in a given direction and thereafter switching polarity, to allow the motor to turn in an opposite direction when the switch is re-activated. A torque-activated mechanism is provided, adapted to actuate the first electrical switch when the drive pulley moves the drapery cord to the first position, and is further adapted to actuate the first electrical switch when the drive pulley is reversibly rotated by the motor to move the drapery cord to the second position.

Description

technical field [0001] This invention relates to a valance drive and, more particularly, to an electric drive for opening and closing a valance or the like. Background technique [0002] This application is a continuation-in-part of US Patent Application S / N 08 / 703,760, filed August 27,1996. [0003] Originally, to open the valance, the valance was manually moved along a valance cord between an open position and a closed position. This of course effectively regulates the amount of light entering the room. [0004] It is always desirable to have various electric valance actuators to open and close valances. The valance drive has a drive pulley that engages a valance cord that engages the valance or the like. The action of the drive pulley opens and closes the valance. In order for the drive pulley to effectively move the valance cord, the valance cord must have the proper tension. [0005] In order for the drive pulley to engage the valance cord to open and close the val...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47H5/032
Inventor 毛启明
Owner 毛启明