Closing system
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United States of America Patent
Stats
-
Jul 24, 2001
Grant Date -
N/A
app pub date -
Jul 30, 1999
filing date -
Jul 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a closing system for doors having an inner rotary knob associated with an inner side which is rotationally fixedly connected to a closing element for the actuation of a latch and an outer rotary knob. The inner rotary knob is rotationally fixedly connected to a sleeve on which the closing element is rotationally fixedly arranged. The outer rotary knob is rotationally fixedly connected to a shaft which extends through the sleeve of the inner rotary knob and is rotationally fixedly connected to a coupling unit arranged in the inner rotary knob. The coupling unit is freely rotatable in a free wheel state relative to the inner rotary knob and rotationally fixedly coupled to the inner rotary knob in a driving state. Moreover, the coupling unit is connected for the changeover between the free wheel state and the driving state to a code input unit arranged in the outer rotary knob via an electrical and/or optical signal path extending through the shaft of the outer knob.
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