Patent ID: 7540302
Filing Date: 2009-06-02
Classification: F16K,Y10T

Abstract:
1. Field unit ( 10 ) for mounting on an actuator ( 12 ), comprising: a pickup device ( 14 ) to register the position of the actuator ( 12 ) and with an indicator ( 16 ) located correspondingly on a movable element ( 15 ) of the actuator ( 12 ) to indicate the position of the actuator ( 12 ), where, when the field unit ( 10 ) is mounted on the actuator ( 12 ), the pickup device ( 14 ) of the field unit ( 10 ) can be linked with the indicator ( 16 ) of the actuator ( 12 ), the pickup device ( 14 ) of the field unit ( 10 ) is in working connection with a locking element ( 18 ), and, in that the pickup device ( 14 ) is held by this locking element ( 18 ) in a first mounting position and is released from the first mounting position by the actuation of the locking element ( 18 ).