UNDER-FRAME FOR A MOTOR VEHICLE SEAT
First Claim
1. An under-frame apparatus for a motor vehicle seat including:
- a basic body;
a seat frame adjustable relatively with respect to the basic body between an utmost rear position and an utmost front position;
a pair of front and rear vibration levers joint-connected to the basic body and the seat frame, respectively;
an adjustment arm joint-connected one of the front and rear vibration levers and including a saw teeth engagement part on a free end region thereof;
an adjustment device rotatably coupled to the seat frame and engaged to the free end region of the adjustment arm so as to adjust a position of the seat frame with respect to the basic body, wherein the adjustment device includes a pinion gear engaged to the adjustment arm and driven by an operation unit; and
an elastic member attached to the seat frame and applying a restoring force to the seat frame toward a starting position
6 Assignments
0 Petitions
Accused Products
Abstract
An under-frame apparatus for a motor vehicle seat may include a basic body, a seat frame adjustable with respect to the basic body between an utmost rear and front positions, a pair of front and rear vibration levers joint-connected to the basic body and the seat frame, respectively, an adjustment arm joint-connected one of the front and rear vibration levers and including a saw teeth engagement part on a free end region thereof, an adjustment device rotatably coupled to the seat frame and engaged to the free end region to adjust a position of the seat frame with respect to the basic body, wherein the adjustment device includes a pinion gear engaged to the adjustment arm and driven by an operation unit, and an elastic member attached to the seat frame and applying a restoring force to the seat frame toward a starting position.
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Citations
13 Claims
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1. An under-frame apparatus for a motor vehicle seat including:
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a basic body; a seat frame adjustable relatively with respect to the basic body between an utmost rear position and an utmost front position; a pair of front and rear vibration levers joint-connected to the basic body and the seat frame, respectively; an adjustment arm joint-connected one of the front and rear vibration levers and including a saw teeth engagement part on a free end region thereof; an adjustment device rotatably coupled to the seat frame and engaged to the free end region of the adjustment arm so as to adjust a position of the seat frame with respect to the basic body, wherein the adjustment device includes a pinion gear engaged to the adjustment arm and driven by an operation unit; and an elastic member attached to the seat frame and applying a restoring force to the seat frame toward a starting position - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification