Four-way electric power actuation head restraint
First Claim
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1. A multi-direction power actuated head restraint assembly comprising:
- a base portion mountable to a vehicle seat;
a frame plate disposed within a cover;
a vertical power actuation mechanism operatively coupled to the base portion, the vertical power actuation mechanism comprising a first nut moveable along a first lead screw to adjust a vertical position of the frame plate; and
a fore-aft power actuation mechanism operatively coupled to the vertical power actuation mechanism, the fore-aft power actuation mechanism comprising a second nut moveable along a second lead screw to adjust a fore-aft position of the frame plate, the base portion including a pair of post members, the vertical power actuation mechanism operatively coupled to the base portion with a pair of vertical guides, each of the vertical guides surrounding one of the pair of post members in a sliding relationship, the vertical power actuation mechanism comprising a lower cross brace, a middle cross brace, and an upper cross brace, the lower cross brace operatively coupled to the pair of post members in a stationary manner, the middle cross brace and the upper cross brace operatively coupled to the pair of vertical guides, the fore-aft power actuation mechanism comprising a front cross brace and a rear cross brace.
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Abstract
A head restraint assembly includes a base portion mountable to a vehicle seat. Also included is a frame plate disposed within a cover. Further included is a vertical power actuation mechanism operatively coupled to the frame plate for vertical adjustment of the frame plate. Yet further included is a fore-aft power actuation mechanism operatively coupled to the frame plate for fore-aft adjustment of the frame plate.
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Citations
14 Claims
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1. A multi-direction power actuated head restraint assembly comprising:
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a base portion mountable to a vehicle seat; a frame plate disposed within a cover; a vertical power actuation mechanism operatively coupled to the base portion, the vertical power actuation mechanism comprising a first nut moveable along a first lead screw to adjust a vertical position of the frame plate; and a fore-aft power actuation mechanism operatively coupled to the vertical power actuation mechanism, the fore-aft power actuation mechanism comprising a second nut moveable along a second lead screw to adjust a fore-aft position of the frame plate, the base portion including a pair of post members, the vertical power actuation mechanism operatively coupled to the base portion with a pair of vertical guides, each of the vertical guides surrounding one of the pair of post members in a sliding relationship, the vertical power actuation mechanism comprising a lower cross brace, a middle cross brace, and an upper cross brace, the lower cross brace operatively coupled to the pair of post members in a stationary manner, the middle cross brace and the upper cross brace operatively coupled to the pair of vertical guides, the fore-aft power actuation mechanism comprising a front cross brace and a rear cross brace. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A multi-direction power actuated head restraint assembly comprising:
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a base portion mountable to a vehicle seat; a frame plate disposed within a cover; a vertical power actuation mechanism operatively coupled to the frame plate for vertical adjustment of the frame plate; and a fore-aft power actuation mechanism operatively coupled to the frame plate for fore-aft adjustment of the frame plate, the fore-aft power actuation mechanism comprising a nut moveable along a lead screw to adjust a fore-aft position of the frame plate, the lead screw oriented parallel to fore-aft movement of the frame plate.
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13. A multi-direction power actuated head restraint assembly comprising:
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a base portion including a pair of post members mountable to a vehicle seat; an armature assembly disposed within a cover; a single, unitary brace structure coupled to the armature in a fixed manner and operatively coupled to the base portion at vertical guide portions of the unitary brace structure, each of the vertical guide portions surrounding one of the pair of post members in a sliding relationship; a first nut moveable along a first lead screw to vertically translate the unitary brace structure to adjust a vertical position of the armature assembly; and a second nut moveable along a second lead screw to translate the unitary brace structure in a fore-aft direction to adjust a fore-aft position of the armature assembly the fore-aft power actuation mechanism comprising a second nut moveable along a second lead screw to adjust a fore-aft position of the frame plate, the second lead screw oriented parallel to fore-aft movement of the frame plate. - View Dependent Claims (14)
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Specification