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06/25/09 - USPTO Class 160 |  18 views | #20090159221 | Prev - Next | About this Page  160 rss/xml feed  monitor keywords

Positioning member for operation wand of curtains

USPTO Application #: 20090159221
Title: Positioning member for operation wand of curtains
Abstract: An operation wand assembly for curtains includes a transverse bar connected to a lower end of the curtain and an operation wand has one end pivotably connected to the transverse bar such that the curtain can be lifted or lowered by operation of the operation wand. A positioning member is connected to the operation wand and includes an opening and an engaging space which communicates with the opening. The transverse bar is sized to be engaged with the engaging space via the opening so that the user can pivot the operation wand which is engaged with the positioning member and located parallel to the transverse bar. (end of abstract)



Agent: Rosenberg, Klein & Lee - Ellicott City, MD, US
Inventors: Wen Ying Liang, Wen Ying Liang
USPTO Applicaton #: 20090159221 - Class: 160340 (USPTO)

Positioning member for operation wand of curtains description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20090159221, Positioning member for operation wand of curtains.

Brief Patent Description - Full Patent Description - Patent Application Claims
  monitor keywords FIELD OF THE INVENTION

The present invention relates to a positioning member connected to an operation wand for curtains and the wand can be positioned beside the transverse bar on the lower end of the curtain when not in use.

BACKGROUND OF THE INVENTION

A conventional curtain unit generally includes a driving mechanism which is connected with a lift cord which controls the curtain up and down. The lift cord is in a form of a loop and just hanged on one side of the curtain and can be dangerous for kids.

A cord-less curtain is developed and the user has to lift or pull the transverse bar connected to the lower end of the curtain to operate the curtain. However, dust is accumulated on the transverse bar so that the users do not satisfy the design.

As shown in FIGS. 6 and 7, another cord-less curtain 7 is to replace the lift cord with an operation wand 75. The curtain generally includes a top case 71 which is a U-shaped case with the driving mechanism received therein. A top bar 72 is connected to the top of the curtain 73 and is connected to one of the driving mechanism. The curtain 73 is connected to the other driving mechanism by wires. A collar is mounted to the top transverse bar 72 and a hook 74 is connected to the collar. The operation wand 75 includes an enlarged end which is engaged with the hook 74 via the opening 741 of the hook 74 so that the wand 75 can be easily connected to the hook 74 or removed from the hook 74. Nevertheless, the users cannot find the wand 75 often because there is no proper positioning device for positioning the wand 75.

The present invention intends to provide a positioning member which is connected to the operation wand which is pivotably connected to the transverse bar connected to the lower end of the curtain and the positioning member includes an opening and an engaging space in which the transverse bar is engaged. The wand is positioned parallel to the transverse bar so that the users can easily and convenient use the wand.

SUMMARY OF THE INVENTION

The present invention relates to an operation wand assembly for curtains and comprises a transverse bar connected to a lower end of the curtain and an operation wand has an end pivotably connected to the transverse bar. A positioning member is connected to the operation wand and includes an opening and an engaging space which communicates with the opening. The operation wand is pivoted toward the transverse bar which is then engaged with the engaging space via the opening.

The present invention provides a positioning member on the operation wand which is pivoted toward the transverse bar of the curtain and the transverse bar is engaged with the positioning member.

The present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective view to show the operation wand connected to the transverse bar of the curtain of the present invention;

FIG. 2 is an exploded view to show the operation wand assembly of the present invention;

FIG. 3 is a perspective view to show that the curtain is pulled down and the operation wand is hanged on the transverse bar;

FIG. 4 is a perspective view to show that the curtain is pushed upward and the operation wand is hanged on the transverse bar;

FIG. 5 shows that the operation wand is pivoted toward the transverse bar which is engaged with the engaging space of the positioning member;

FIG. 6 shows a conventional curtain with a hook on the transverse bar, and FIG. 7 shows an operation wand is hooked with the hook and pulls the curtain downward.



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