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US 4,583,781 AGranted
Motor vehicle seat
AssigneeTachikawa Spring Co., Ltd.
InventorsSusumu Hatsutta, Toshio Furukawa
Life of this patent
Estimating the term…
Abstract
A seat for use in a vehicle such as a motor car is disclosed in which a thigh support portion and a bottom support portion are integrally foamed with each other, and separate lower frame wires are embedded independently of each other within the respective support portions, whereby the thigh support portion can be smoothly moved up and down by a thigh support device provided therein.
Claims3
A motor vehicle seat which comprises:
- (a) a resilient foam cushion member possessing a buttocks support portion integral with a thigh support portion;
- (b) a crease portion defined at the juncture of the buttocks support portion and the thigh support portion of the cushion member, said crease facilitating vertical pivotal movement of the thigh support portion of the cushion member relative to the buttocks support portion thereof;
- (c) a fixed lower frame wire embedded within the resilient foam of the buttocks support portion of the cushion member;
- (d) a fixed seat frame supporting said fixed lower frame wire;
- (e) a movable lower frame wire embedded within the resilient foam of the thigh support portion of the cushion member;
- (f) a movable seat frame supporting said movable lower frame wire, said movable seat frame being vertically pivotally connected to said fixed seat frame;
- (g) means for locking the position of the movable seat frame relative to the fixed frame member;
- and,
- (h) means for unlocking the position of the movable seat member relative to the fixed frame member cooperating with the aforesaid locking means such that one of several new positions of the movable seat member relative to the fixed frame member can be effected and maintained.
6 more elements
Dependencies are inferred from the claim text.