Patent ID: 9272639
Filing Date: 2016-03-01
CPC Classification: B60N,Y10T

Claim Text:
1. A seat rail of a vehicle, comprising: a lower rail fixed to a body of the vehicle; an upper rail combined onto the lower rail movably forward and backward in a longitudinal direction of the lower rail; and a locking device restricting movement of the upper rail, the locking device comprising: a plurality of lock units moving together with the upper rail, disposed movably in a vertical direction between the lower and upper rails, and fixing the upper rail onto the lower rail, wherein each of the lock units is independently inserted into a plurality of lock holes formed as a rectangular shape in the lower rail; and a lock guide moving together with the lock units and for guiding vertical movement of the lock units, wherein each lock unit of the plurality of lock units comprises at least one pair of lock members passing through guide holes formed in the lock guide, and inserted into the lock holes, and the at least one pair of lock members comprises a first lock member and a second lock member, wherein the first lock member and the second lock member respectively comprise a pair of first side surfaces opposing each other and formed as perpendicular surfaces, and a pair of second side surfaces opposing each other and formed as tapered and inclined surfaces, wherein the lock holes comprise a first lock hole and a second lock hole, and the first lock hole and the second lock hole respectively comprise first side edges extending in the longitudinal direction and second side edges extending in a direction perpendicular to the longitudinal direction, and wherein the first lock member and the second lock member are disposed and inserted into the lock holes in a locked state in such a way that one of the first side surfaces of the first lock member faces one of the second side surfaces of the second lock member, and that the first side surfaces of the second lock member contact the second side edges of the second lock hole, and the second side surfaces of the first lock member contact the second side edges of the first lock hole, and that the first side surfaces of the first lock member contact the first side edges of the second lock hole, and the second side surfaces of the second lock member contact the first side edges of the first lock hole.