Cinching device for vehicle latch

1 . A cinching apparatus in combination with a plurality of vehicle latches, wherein the cinching apparatus controls cinching of the plurality of vehicle latches, the cinching apparatus comprising:

a lead nut movably engaged to a lead screw connected to a cinching actuator by a worm wheel; and

a cable lever, which is pivotally coupled to the lead nut by a pin, and connected to the plurality of vehicle latches by cinching cables,

wherein a difference in a cinching stroke between the plurality of vehicle latches is absorbed by the cable lever, and the cinching is controlled by the cable lever,

wherein the cinching cables include first and second cinching cables, and

wherein the cinching apparatus further includes:

a housing having a slot formed along a longitudinal direction of the housing in one side surface of the housing;

the cinching actuator mounted to the housing and including a rotation shaft on which a worm gear is provided;

the lead screw provided in the housing and disposed in a direction perpendicular to the rotation shaft of the cinching actuator, the lead screw being rotatably provided in the housing and including the worm wheel provided at a side of the lead screw and engaged with the worm gear;

the lead nut engaged to the lead screw; and

the cable lever disposed outside the housing and pivotally coupled to the lead nut by the pin passing through the slot, the cable lever including first and second opposite sides respectively connected to the first and second cinching cables respectively connected to first and second latches of the plurality of vehicle latches.

2 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 1 , wherein at least one side and one tip portion of the rotation shaft of the cinching actuator is rotatably supported in the housing by a bearing.

3 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 1 , wherein the cinching actuator includes a motor configured for controlling a rotation direction and a rotation speed of the rotation shaft.

4 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 1 , wherein the lead nut is disposed in the housing and configured as a nut which is selectively moved forward or rearward along the lead screw according to rotation of the lead screw.

5 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 1 , wherein a center portion of the cable lever is fastened to a center portion of the lead nut by the pin passing through the slot of the housing so that the cable lever is rotatably coupled to the lead nut.

6 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 5 ,

wherein the cable lever includes first and second pinholes respectively formed at the first and second opposite sides of the cable lever based on the pin, and first and second cable pins respectively connected to the first and second cinching cables are fitted with the first and second pinholes so that the cable lever is connected to the first and second cinching cables.

7 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 1 , wherein the first and second cinching cables are respectively inserted into and protected by first and second cable covers.

8 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 1 , wherein the plurality of vehicle latches is configured as two door latches.

9 . A cinching apparatus in combination with a plurality of vehicle latches, wherein the cinching apparatus controls cinching of the plurality of vehicle latches, the cinching apparatus comprising:

a cinching actuator;

a lead screw engaged to the cinching actuator by a worm wheel;

a lead nut engaged to the lead screw and selectively movable along the lead screw according to rotation of the lead screw; and

a cable lever, which is pivotally coupled to the lead nut by a pin, and connected to the plurality of vehicle latches by cinching cables,

wherein a difference in a cinching stroke between the plurality of vehicle latches is absorbed by the cable lever, and the cinching is controlled by the cable lever,

wherein the cinching cables include first and second cinching cables,

wherein the cinching apparatus further includes a housing having a slot formed along a longitudinal direction of the housing in one side surface of the housing;

wherein the cinching actuator mounted to the housing and including a rotation shaft on which a worm gear is provided,

wherein the lead screw provided in the housing and disposed in a direction perpendicular to the rotation shaft of the cinching actuator, the lead screw being rotatably provided in the housing and including the worm wheel provided at a side of the lead screw and engaged with the worm gear,

wherein the cable lever disposed outside the housing and pivotally coupled to the lead nut by the pin passing through the slot, the cable lever including first and second opposite sides respectively connected to the first and second cinching cables respectively connected to first and second latches of the plurality of vehicle latches.

10 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 9 ,

wherein the cinching actuator includes a rotation shaft and the worm gear mounted on the rotation shaft, and

wherein the lead screw includes the worm wheel provided at one side of the lead screw and engaged with the worm gear.

11 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 10 ,

wherein the plurality of vehicle latches include first and second latches,

wherein the clinching cables includes first and second cinching cables, and

wherein the cable lever includes first and second opposite sides respectively connected to the first and second cinching cables respectively connected to the first latch and the second latch.

12 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 11 , wherein the cable lever includes first and second pinholes respectively formed at the first and second opposite sides of the cable lever, and first and second cable pins respectively connected to the first and second cinching cables are fitted with the first and second pinholes so that the cable lever is connected to the first and second cinching cables.

13 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 11 , wherein the first and second cinching cables are respectively inserted into and protected by first and second cable covers.

14 . The cinching apparatus in combination with the plurality of vehicle latches, according to claim 10 , wherein the cinching actuator further includes a motor configured for controlling a rotation direction and a rotation speed of the rotation shaft.