Tip and slide system for a vehicle seat
First Claim
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1. A vehicle seat comprising:
- a seatback having a pivot rotationally coupled to a base at a rear-access assembly, the seatback selectively operable about the pivot between a plurality of rotational positions and the base slidable along a track between a plurality of comfort positions;
a rear-access lever in communication with the pivot and the rear-access assembly, wherein operation of the rear-access lever to an engaged state places the rear-access assembly in a ready position that at least partially obstructs rotation of the pivot;
a track overslide actuator of the rear-access assembly in communication with the pivot and the track, wherein after the rear-access assembly is in the ready position, operation of the pivot to a rear-entry position activates the track overslide actuator to provide slidable forward operation of the base along the track beyond the plurality of comfort positions wherein the track overslide actuator includes a first cam that directly engages an overslide surface of the pivot; and
an interlock actuator of the rear-access assembly in communication with the pivot and the track, wherein when the track overslide actuator is activated, forward operation of the base along the track from a home position activates the interlock actuator into a blocking position to lock the pivot and the seatback in the rear-entry position, wherein rearward sliding movement of the base back to the home position disengages the interlock actuator from the blocking position and movement of the pivot to an upright position disengages the track overslide actuator, wherein the interlock actuator includes a second cam that directly engages an interlock surface of the pivot, wherein when the interlock actuator is activated, the interlock surface at least partially surrounds the second cam to define the blocking position and retain the pivot in the rear-entry position.
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Abstract
A vehicle seat includes a seatback pivot rotationally operable relative to a slidable base, a first cam in communication with the seatback pivot to activate a track-overslide actuator of the base when the seatback pivot is in a rear-entry position and a second cam in communication with the seatback pivot. When the track-overslide actuator is activated, forward operation of the base locks the seatback pivot in the rear-entry position.
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Citations
17 Claims
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1. A vehicle seat comprising:
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a seatback having a pivot rotationally coupled to a base at a rear-access assembly, the seatback selectively operable about the pivot between a plurality of rotational positions and the base slidable along a track between a plurality of comfort positions; a rear-access lever in communication with the pivot and the rear-access assembly, wherein operation of the rear-access lever to an engaged state places the rear-access assembly in a ready position that at least partially obstructs rotation of the pivot; a track overslide actuator of the rear-access assembly in communication with the pivot and the track, wherein after the rear-access assembly is in the ready position, operation of the pivot to a rear-entry position activates the track overslide actuator to provide slidable forward operation of the base along the track beyond the plurality of comfort positions wherein the track overslide actuator includes a first cam that directly engages an overslide surface of the pivot; and an interlock actuator of the rear-access assembly in communication with the pivot and the track, wherein when the track overslide actuator is activated, forward operation of the base along the track from a home position activates the interlock actuator into a blocking position to lock the pivot and the seatback in the rear-entry position, wherein rearward sliding movement of the base back to the home position disengages the interlock actuator from the blocking position and movement of the pivot to an upright position disengages the track overslide actuator, wherein the interlock actuator includes a second cam that directly engages an interlock surface of the pivot, wherein when the interlock actuator is activated, the interlock surface at least partially surrounds the second cam to define the blocking position and retain the pivot in the rear-entry position. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A vehicle seat comprising:
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a seatback pivot rotationally operable relative to a slidable base; a first cam in communication with the seatback pivot to activate a track-overslide actuator of the base when the seatback pivot is in a rear-entry position; and a second cam in communication with the seatback pivot, wherein when the track-overslide actuator is activated, forward operation of the base locks the seatback pivot in the rear-entry position. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A pivot assembly for a vehicle seat comprising:
a seatback pivot in communication with a seat-base slide, wherein rotation of the seatback pivot to a rear-entry position selectively activates an overslide cam to define an overslide state of the seat-base slide, and wherein forward translation of the seatback pivot in the rear-entry position relative to the seat-base slide activates an interlock cam that retains the seatback pivot in the rear-entry position, wherein the interlock cam is operable between an offset position wherein the seatback pivot freely rotates relative to the interlock cam and a blocking position wherein the interlock cam engages an interlock surface of the seatback pivot that at least partially surrounds the interlock cam to retain the seatback pivot in the rear-entry position, wherein the interlock surface is only in alignment with the interlock cam when the seatback pivot is in the rear-entry position. - View Dependent Claims (16, 17)
Specification