초록 ▼

A longitudinal rail guide of a motor vehicle seat having a bottom rail, with a top rail which is movable in longitudinal direction relative to the bottom rail and with a locking device. The locking device has a guide part which is disposed on the top rail and has at least one guide opening, and for

A longitudinal rail guide of a motor vehicle seat having a bottom rail, with a top rail which is movable in longitudinal direction relative to the bottom rail and with a locking device. The locking device has a guide part which is disposed on the top rail and has at least one guide opening, and for each guide opening there is a blocking part which is disposed so as to be movable in the guide opening. The guide part has a free edge which lies directly opposite an adjacent inner surface of the bottom rail, and before an accident the free edge is located at a small distance from the adjacent inner surface of the bottom rail and after an accident the free edge bears against the adjacent inner surface.

대표청구항 ▼

1. Longitudinal rail guide of a motor vehicle seat comprising a bottom rail, a top rail that is displaceable relative to the bottom rail in a longitudinal direction, and a locking device, the locking device comprising: a. a guide part which is disposed on a side arm of the top rail and has at least

1. Longitudinal rail guide of a motor vehicle seat comprising a bottom rail, a top rail that is displaceable relative to the bottom rail in a longitudinal direction, and a locking device, the locking device comprising: a. a guide part which is disposed on a side arm of the top rail and has at least one guide opening,b. for each guide opening one blocking part that is displaceably disposed in the guide opening, andc. latching openings formed in the bottom rail, wherein, in a normally provided blocking state of the locking device, at least one blocking part latches into one of the latching openings, and in an actuated release position, no blocking part latches into a latching opening,wherein the side arm of the top rail has a locally weakened area located at least one of above and below the guide part,wherein the guide part has a free edge which is immediately opposite to an adjacent inner face of the bottom rail, wherein the guide part is movable from a first position to a second position in the event of an accident,wherein, in the first position, the free edge is located at a small distance from the adjacent inner face of the bottom rail and, in the second position, rests against the adjacent inner face. 2. Longitudinal rail guide according to claim 1, wherein a longitudinal channel extending in the longitudinal direction is formed between the bottom rail and the top rail, that in the longitudinal channel an inner face of the top rail lies opposite to the adjacent inner face in a plane which extends transversely to the longitudinal direction and transversely to a direction of movement of the at least one blocking part, and that the guide part is attached to the inner face of the top rail. 3. Longitudinal rail guide according to claim 1, wherein the free edge is located at an end face of the blocking part and that the end face extends at least one of parallel to the longitudinal direction and parallel to a direction of movement of the at least one blocking part. 4. Longitudinal rail guide according to claim 1, wherein the free edge transitions into a sharp corner, in particular a 90° corner, at least one end portion of the guide part located in the longitudinal direction. 5. Longitudinal rail guide of a motor vehicle seat comprising a bottom rail, a top rail that is displaceable relative to the bottom rail in a longitudinal direction, and a locking device, the locking device comprising: a. a guide part which is disposed on the top rail and has at least one guide opening,b. for each guide opening one blocking part that is displaceably disposed in the guide opening, andc. latching openings formed in the bottom rail, wherein, in a normally provided blocking state of the locking device, at least one blocking part latches into one of the latching openings, and in an actuated release position, no blocking part latches into a latching opening,wherein the guide part has a free edge which is immediately opposite to an adjacent inner face of the bottom rail, wherein the guide part is movable from a first position to a second position in the event of an accident,wherein, in the first position, the free edge is located at a small distance from the adjacent inner face of the bottom rail and, in the second position, rests against the adjacent inner face,wherein the locking device further comprises an actuating device, and that the top rail comprises a window through which the actuating device extends. 6. Longitudinal rail guide according to claim 5, wherein the guide part is attached below the window to an inner face of the top rail. 7. Longitudinal rail guide according to claim 1, wherein the distance between the free edge and the adjacent inner face of the bottom rail is between 0.4 and 0.8 mm. 8. Longitudinal rail guide according to claim 1, wherein the free edge, moves in a plane that extends transversely to the longitudinal direction and transversely to a direction of movement of the at least one blocking part as the guide part moves from the first position to the second position. 9. Longitudinal rail guide of a motor vehicle seat comprising a bottom rail, a top rail that is displaceable relative to the bottom rail in a longitudinal direction, and a locking device, the locking device comprising: a. a guide part which is disposed on the top rail and has at least one guide opening,b. for each guide opening one blocking part that is displaceably disposed in the guide opening, andc. latching openings formed in the bottom rail, wherein, in a normally provided blocking state of the locking device, at least one blocking part latches into one of the latching openings, and in an actuated release position, no blocking part latches into a latching opening,wherein the guide part has a free edge which is immediately opposite to an adjacent inner face of the bottom rail, wherein the guide part is movable from a first position to a second position in the event of an accident,wherein, in the first position, the free edge is located at a small distance from the adjacent inner face of the bottom rail and, in the second position, rests against the adjacent inner face,wherein the top rail comprises an upper flange, and that the guide part is disposed closer to the latching openings than to the upper flange. 10. Longitudinal rail guide according to claim 1, wherein a longitudinal channel extending in the longitudinal direction is formed between the bottom rail and the top rail, and that the guide part is accommodated in the longitudinal channel. 11. Longitudinal rail guide according to claim 1, wherein the top rail comprises an upper flange, and that the guide part extends parallel to the upper flange. 12. Longitudinal rail guide according to claim 1, wherein a side wall of the top rail extends at least one of parallel to the longitudinal direction and parallel to a direction of movement of the at least one blocking part, and that the guide part is attached only to the side arm. 13. Longitudinal rail guide according to claim 12, wherein an area of the side arm to which the guide part is attached is as distant as possible from at least one of a bend of the side wall about a bending line parallel to the longitudinal direction and the at least one guide opening. 14. Longitudinal rail guide according to claim 12, wherein there is a lateral distance, which is greater than 5 mm, between a single area of attachment at which the guide part is attached to the top rail, and the at least one guide opening. 15. Longitudinal rail guide according to claim 12, wherein there is a lateral distance, which is greater than 10 mm, between a single area of attachment at which the guide part is attached to the top rail, and the at least one guide opening. 16. Longitudinal rail guide according to claim 1, wherein the distance between the free edge and the adjacent inner face of the bottom rail is approximately 0.6 mm.