Patent attributes
A seat slide apparatus for a vehicle includes a first rail including a locked portion, a second rail movably connected relative to the first rail and including bearing holes, a lock member including a lock portion and rotating around the bearing holes to engage the lock portion with the locked portion and disengage the lock portion from the locked portion to selectively bring a relative movement between the first and second rail into a locked state, and wherein the second rail includes a fracture opening allowing the shaft portion to shift from the bearing hole in a case where a load is inputted in the direction of the relative movement, and a restriction portion configured to restrict the lock member from rotating in a direction in which the locked state is released in a case where the shaft portion shifts from the bearing hole.
