Band-type window regulator for vehicles

Movable or removable closures – With operator for movably mounted closure – Drive within closure housing

Patent

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Details

49375, E05F 1148

Patent

active

040953700

ABSTRACT:
A vehicle window regulator of the disclosure includes a band trained over upper and lower idler rollers whose axes of rotation are parallel to the window and each other and also trained over a manually driven drive roller located intermediate the idler rollers and rotatable about an axis perpendicular to a plane through the idler roller axes. An inboard reach of the band extends between the idler rollers and is trained over the drive roller while including a half twist so that the natural configuration thereof accommodates for the different orientations of the drive roller axis and the idler roller axes without stressing the band. An outboard reach of the band is secured to the window by a connector to move the window as the drive roller moves the band. Preferably, a vertically extending housing of the band includes upper and lower ends that mount the idler rollers and an intermediate portion that mounts the drive roller. At the intermediate housing portion, a one way clutch and a counterbalance spring are utilized in driving the band and providing counterbalancing of the window. Pressure applying rollers mounted on the intermediate housing portion engage the inboard band reach with the drive roller to maintain a driving relationship. Side walls of the band housing have the inboard reach of the band received therebetween while an outboard guide portion that connects the side walls defines a curved outer guide surface along which the window connector is slidably moved. Opposite ends of the band are secured to the window connector with one end being secured by an adjuster including a threaded connection for adjusting the band tension.

REFERENCES:
patent: 3702041 (1972-11-01), Podolan

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