초록 ▼

This invention concerns about an electric device for opening or shutting automotive doors, which comprises a transmitting device controlling opening or shutting the door and an electromagnetic coil controlling the door lock. The transmitting device uses a motor and an electromagnetic clutch which ar

This invention concerns about an electric device for opening or shutting automotive doors, which comprises a transmitting device controlling opening or shutting the door and an electromagnetic coil controlling the door lock. The transmitting device uses a motor and an electromagnetic clutch which are able to operate to open or close the door by pushing of a rack and attain the aim of automatically controlling the opening or closing of the door.

대표청구항 ▼

An apparatus for opening and closing vehicle doors, comprising in combination: a means for opening a door lock; a means for moving a vehicle door; said means for moving being mounted in a vehicle door; said means for operating a door lock being mounted in the door; said means for moving the door inc

An apparatus for opening and closing vehicle doors, comprising in combination: a means for opening a door lock; a means for moving a vehicle door; said means for moving being mounted in a vehicle door; said means for operating a door lock being mounted in the door; said means for moving the door including a rack member; said rack member having a pinned end and a free end; said pinned end being pinned to a frame which does not move with the door; said means for moving the vehicle door including an electrically operated motor connected to said rack; said motor being fixed to the door; said motor having an output gear which is in toothed engagement with said rack; a means for retaining said rack in engagement with said gear during angular motion of said rack relative to said motor; a control means for controlling operation of said motor and operation of said door lock; said control means having 3 states; in a first state, power is supplied to said means for controlling said door lock to open said door lock; an electromagnetically operated clutch connected to said motor to transmit rotary motion from said motor to said output gear only when said clutch is energized; in said first state, said control means also supplying power to said motor and to said clutch, whereby said motor operates in a forward direction to cause opening of the vehicle door; in a second state, said control means cuts off power to said motor, said clutch, and said means for operating said door lock; in a third state, said control means supplying power of a reversed polarity to said motor; said control means in said third state supplying power to said clutch but not to said means for opening said door lock; whereby said reversed polarity causes reversed movement of said motor to cause closing of the vehicle door; in said second state, said clutch is disengaged from said output gear so as to permit manual operation of the vehicle door.