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US 11,590,871 B2Granted
Seat pad, vehicle seat, vehicle seat controlling method, and seat pad manufacturing method
AssigneeArchem Inc.
InventorsYoshiyuki Takahashi, Taisuke Yonezawa, Yukiko Tsugawa
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Abstract
According to the disclosure, a seat pad 2 includes a bag-contained pad part 250 including a foam body 240 and a bag body 230 arranged inside the foam body 240.
Claims13
A vehicle seat comprising:
- a seat pad including a main pad portion and a pair of side pad portions located on both left and right sides of the main pad portion;
- and
- a pump,
- wherein the main pad portion includes:
- a bag-contained pad part including a foam body and a bag body arranged inside the foam body;
- and
- a covering part covering an upper side of the bag-contained pad part,
- wherein the pump is connected to the bag body to supply a fluid to an inside of the bag body,
- wherein the covering part is configured integrally with the pair of side pad portions, and
- wherein the bag-contained pad part is accommodated in a recess defined by the covering part and the pair of side pad portions.
7 more elements
A seat pad manufacturing method for manufacturing a seat pad including a main portion and a pair of side portions located on both left and right sides of the main pad portion, the main pad portion including a bag-contained pad part and a covering part covering an upper side of the bag-contained pad part, the method comprising:
- a molding step in which the covering part of the main portion and the pair of side pad portions are integrally molded to define a recess;
- a bag body attaching step in which a to-be-held portion provided in the bag body is held in a holding portion provided in a mold, and the bag body is positioned and attached to the mold;
- an injecting step in which a foamable material is injected into the mold to which bag body is attached;
- a foaming step in which the foamable material in the mold is foamed to form the bag-contained pad part;
- and
- a bag-contained pad part accommodating step in which the bag-contained pad part is accommodated in the recess defined by the covering part and the pair of side pad portions, wherein
- in the bag body attaching step, the bag body is constrained so that a volume of the bag body does not increase beyond a certain level.
4 more elements
Dependencies are inferred from the claim text.