Pieces for skin members of vehicular seats and methods of manufacturing the same

• US 7,823,980 B2
• Filed: 10/01/2008
• Issued: 11/02/2010
• Est. Priority Date: 12/07/2007
• Status: Active Grant

• Current Assignee: Toyota Boshoku Kabushiki Kaisha
• Original Assignee: Toyota Boshoku Kabushiki Kaisha
• Inventors: Niwa, Yoshitaka, Yasukawa, Soji
• Primary Examiner(s): White; Rodney B
• Application Number:
  US12/243,266
• Publication Number:
  US 20090146483A1
• Time in Patent Office: 762 Days
• Field of Search: 297/218.2, 297/452.58, 297/452.61, 297/452.62
• US Class Current: 297/452.61
• CPC Class Codes: B60N 2/58 Seat coverings
• CPC Class Codes: B60N 2/5891 characterised by the manufacturing process; manufacturing seat coverings not otherwise provided for

Abstract

A piece for a skin member of a vehicular seat has a base member and a leather laminated to the base member. The base member has a cushion having elastic properties and a base cloth adhered to the cushion. The base member and the leather include an adhering portion bonded by an adhering agent, a sewing portion formed by being sewn at outer peripheral portions of the base member and the leather, and a nonbonding portion in which the base member and the leather are not bonded between the adhering portion and the sewing portion.

Claims

1. A skin member including a plurality of skin member pieces for covering an outer surface of a vehicular seat, at least one of the skin member pieces comprising:

a base member including a cushion having elastic properties and a base cloth adhered to the cushion, the cushion and the base cloth being bonded by a first adhering agent over an entire face thereof; and

a leather laminated to the base member,

wherein the base member and the leather include an adhering portion, a sewing portion, and a nonbonding portion,

wherein the adhering portion bonds the base member and the leather with a second adhering agent at a first portion of the at least one skin member piece, the first portion extending across an entire area in a width direction of the at least one skin member piece,

wherein the sewing portion bonds the base member and the leather along outer peripheral portions of a second portion of the at least one skin member piece,

wherein the nonbonding portion is provided between the first portion and the second portion of the at least one skin member piece and separates the adhering portion from the sewing portion, and

wherein the base member and the leather are not bonded between the adhering portion and the sewing portion.

2. A vehicular seat comprising:

a lower seat member;

an upper seat member; and

a skin member including a plurality of skin member pieces for covering an outer surface of the vehicular seat, at least one of the skin member pieces having;

a base member including a cushion having elastic properties and a base cloth adhered to the cushion, the cushion and the base cloth being bonded by a first adhering agent over an entire face thereof, and

a leather laminated to the base member,

wherein the base member and the leather include an adhering portion, a sewing portion, and a nonbonding portion,

wherein the adhering portion bonds the base member and the leather with a second adhering agent at a first portion of the at least one skin member piece, the first portion extending across an entire area in a width direction of the at least one skin member piece,

wherein the sewing portion bonds the base member and the leather along outer peripheral portions of a second portion of the at least one skin member piece,

wherein the nonbonding portion is provided between the first portion and the second portion of the at least one skin member piece and separates the adhering portion from the sewing portion, and

wherein the base member and the leather are not bonded between the adhering portion and the sewing portion.

3. The vehicular seat as in claim 2, wherein the adhering portion is arranged on one side portion of the lower seat member, and the one side portion of the lower seat member is connected with the upper seat member.

4. The vehicular seat as in claim 2, wherein the adhering portion is arranged on one side portion of the upper seat member, and the one side portion of the upper seat member is connected with the lower seat member.

5. The vehicular seat as in claim 2, wherein the sewing portion is arranged at an outer surface of a recess portion.