Door opening and closing apparatus

Details Door opening and closing apparatus Door opening and closing apparatus

2006-12-05

2006-12-05

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C070S264000, C070S257000, C070S277000, C049S025000

Reexamination Certificate

active

07145436

ABSTRACT:
A door opening and closing apparatus has a motor, a door latch and a power generation mechanism. When the voltage of the battery is below a level needed to drive the electric actuator, a predetermined manipulation of the power generation mechanism generates the power needed to drive the motor. Therefore, when the voltage of a battery that supplies electric power to the electric actuator is below a level needed to drive the electric actuator, the door opens.

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patent: WO 80/02710 (1980-12-01), None

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