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 Movable partition

Details
Inventors: Bischof, Markus; Ginzel, Lothar; Rechsteiner, Stefan;
Assignee: DORMA GmbH + Co. KG (Ennepetal, DE)
Primary Examiner: Chilcot; Richard
Assistant Examiner:
Attorney, Agent or Firm: Nils H. Ljungman & Associates

The movable partition system has a plurality of movable partition elements placed on a horizontal rail. Each of at least two of the movable partition elements has its own electric motor. Each electric motor has a current collector connected to it which passes along at least two conductor rails which are part of the electrical circuit when the electric motor is moved. These rails are connected via lines to a control unit which controls the power supply and the operation. One conductor rail is connected with a single line. On the other hand, at least one other conductor rail has a plurality of lines which lead to electrical connections or taps which are isolated from one another by insulators. This isolation permits the control unit to control the individual flow of current to each separate tap. This makes it possible to individually control and position the individual movable partition elements.

DETAILED DESCRIPTION The present invention teaches that these objects can be accomplished by having at least some of the individual movable partition elements have at least one drive unit of their own, by means of which the movable partition element in question can be moved along the guide rail independently of and/or simultaneously with the other movable partition elements.
Additional embodiments of the invention are described herein below.
The invention teaches that some or all of the movable partition elements have their own drive unit.
The drive unit consists essentially of an electric motor, whereby its drive shaft can be provided with means that provide an effective connection with engagement surfaces or profiles that run along the guide rail or approximately parallel to it, thereby making possible the movement of the individual movable partition elements.
For such an effective connection, the invention teaches the use of a pinion that can be positively and non-positively connected to the drive shaft.
The gear teeth of the pinion are thereby engaged in a geared engagement profile that has an essentially identical modulus.
The engagement profile is thereby a toothed belt.
The toothed belt can thereby be fastened in or on the guide rail.
The present invention teaches that, in one possible embodiment of the present invention, these objects can also be accomplished by having at least some of the individual movable partition elements have at least one drive unit of their own, by means of which the movable partition element in question can be moved along the guide rail independently of and/or simultaneously with the other movable partition elements.
The invention teaches that some or all of the movable partition elements have their own drive unit.
The drive unit consists essentially of an electric motor, whereby its drive shaft can be provided with means that provide an effective connection with engagement surfaces or profiles that run along the guide rail or approximately parallel to it, thereby making possible the movement of the individual movable partition elements


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