Patent
Motorized drapery pull system
TLDR
A quiet drapery pull system includes an elongated track that receives a master car and auxiliary cars as discussed by the authors, and the track defines a pair of curved surfaces for nested receipt of roller members of the cars to facilitate linear tracking of cars.Abstract:
A quiet drapery pull system includes an elongated track that receives a master car and auxiliary cars. The track defines a pair of curved surfaces for nested receipt of roller members of the cars to facilitate linear tracking of the cars. The cars preferably include tires that are made from a resilient material to limit noises caused by rolling contact and by slipping and dragging of the tires upon contact with surface imperfections of the track. The drapery pull system preferably includes a drive belt connected to a reversible motor and to the master car for driving the master car in each of opposite directions. The drive belt is preferably made from a resilient material to limit noise associated with contact between the drive belt and drive pulley and between the belt and the track.read more
Citations
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Patent
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References
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Patent
Seat track assembly
TL;DR: In this paper, a vehicle seat track assembly consisting of a first track member having an upwardly facing bearing surface and a second track member with a downwardly facing surface is described.
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Harold Grossman,Sherman Mandel +1 more
TL;DR: In this paper, a power driven motor was used for drawing a shade cloth between a gathered and extended position, and a suspension strip structure was provided on the shade panel for suspending the shade cloth from the tracks.
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