Patent ID: 7207628

Claim:
An adjustable base platform for an infant car seat comprising: a frame member; a wedge member affixed to the frame member along an axis parallel to one edge of the frame and wedge members, the wedge member being capable of rotating about the axis; a locking member capable of being positioned to prevent rotation of the wedge member about the axis; an indicator for displaying a visual indication of the wedge's rotational position; and at least one spring located between the frame member and the locking member, the spring being capable of restoring the locking member to its original position after being depressed by the user; wherein the wedge member includes a plurality of pairs of notches for engaging the locking member; wherein the locking member includes a wide portion and a narrow portion, the wide portion capable of engaging any one of the plurality of pairs of notches on the wedge member to prevent rotation of the wedge member about the axis; wherein the locking member includes a surface capable of being depressed by a user; wherein the locking member is originally positioned such that its wide portion is engaged with one of the plurality of pairs of notches on the wedge member to prevent rotation of the wedge member about the axis; wherein upon depression of the locking member by the user, the locking member becomes positioned such that its wide portion is not engaged with any one of the plurality of pairs of notches on the wedge member, whereby the wedge member can rotate about the axis; wherein the indicator comprises a curved lateral surface formed on the wedge member, and visible markings on the curved lateral surface; wherein the indicator further comprises a transparent window affixed to the frame member, the transparent window capable of revealing a portion of the visible markings on the curved lateral surface; wherein the visible markings comprise numerals; wherein the indicator further comprises a transparent window affixed to the frame member; wherein a unique numeral is visible through the transparent window corresponding to the rotational position of the wedge member; wherein the indicator further comprises a transparent window affixed to the frame member; and wherein a unique numeral is visible through the transparent window corresponding to the angle of tilt in which the adjustable base platform is configured.