Drive and locking system
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United States of America Patent
Stats
-
Oct 2, 1990
Grant Date -
N/A
app pub date -
May 19, 1989
filing date -
Dec 4, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive and locking system enables a rotor (2) to be turned between two end portions which are rotationally displaced in relation to one another through a present angle, and allows the rotor to be locked in an end position. Corresponding to the end positions are end stops (1a, 1b) against which the drive urges the rotor (2). In this position movable levers (12), which are disposed between two parts and fixed to one of them, can be released. The levers (12) are provided with teeth (11) which then engage in recesses in the rotor (2). The still-effective drive moment of the drive system then entrains the part (13), to which the levers (12) are not fixed, in a direction opposite to the rotational direction of the rotor. The levers (12) are then guided from the position in which they link both parts by passing over sloping surfaces, and the levers (12) are then brought into a locking position of the rotor (2) and of the part (14) which is provided with the levers (12).
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