Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn... – With operator
Reexamination Certificate
2007-04-24
2007-04-24
Redman, Jerry (Department: 3634)
Movable or removable closures
Up-and-over type; e.g., moves from vertical to withdrawn...
With operator
C049S197000, C340S686100
Reexamination Certificate
active
10309929
ABSTRACT:
A system for signaling the position of a movable barrier includes a movable barrier; a motor coupled to the movable barrier for moving the movable barrier between limit positions; a position detection device that monitors the movable barrier to generate a barrier position signal; and an indication device that receives the barrier position signal and indicate a position of the movable barrier relative to the limit positions. The system also includes an operation mechanism for controlling the motor and at least one transmitter device which generates a transmission signal received by the operator mechanism to energize the motor. The system further includes a blocking switch which generates a blocking signal received by the operator mechanism to prevent receipt of a transmission signal from a device other than one associated with the indication device.
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Redman Jerry
Renner Kenner Greive Bobak Taylor & Weber
Wayne-Dalton Corp.
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