Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel
Reexamination Certificate
2007-09-18
2007-09-18
Donovan, Lincoln (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Movement, position, or limit-of-travel
C318S468000, C318S266000, C318S282000, C318S286000, C318S469000, C049S026000, C049S028000
Reexamination Certificate
active
10976010
ABSTRACT:
An assembly for moving a barrier from one of a closed position and an opened position to the other of the closed position and the opened position. The assembly includes a motor to supply one of a first power and a second power to the barrier. The assembly also includes a controller to control the motor to supply the first power to move the barrier towards the closed position from the opened position. The controller also controls the motor to supply the first power to the barrier to move towards the opened position from the closed position, and to supply the second power intermittently after the barrier has started moving towards the opened position and before arriving at the opened position.
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Blatterman William Eugene
Mullin Paul Steven
A.O. Smith Corporation
Colon Eduardo
Donovan Lincoln
Michael & Best & Friedrich LLP
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