Rotary drive, in particular for vehicle doors
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 21, 1989
Grant Date -
N/A
app pub date -
Dec 10, 1986
filing date -
Apr 16, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Rotary drive, particularly for vehicle doors, in which the piston motion of a piston-power cylinder-unit 5 is converted into a rotary motion by means of roller pairs 14 which engage into oblique slots 10, 11. The oblique slots are provided in cylinders 4, 6 arranged coaxially inside each other and one of the cylinders is connected to the power output shaft 7. The slots exhibit an axial direction at their ends. Herein the cover 2 of a pot-shaped housing 1, through which cover the power output shaft 7 passes, exhibits a collar 15 projecting outwards and embracing the power output shaft. The power output shaft 7 is provided with a cup-type seal 17 seated firmly upon it, whose surface contour 18 overlaps outwardly the collar 15 and which with its edge 19 rests tightly at the cover 2. The cover is provided with an axially oriented groove 20 on its side facing away from the collar, into which groove the edge of the pot-shaped housing 1 is tightly fitted.
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