IP Library › Granted Patent US 12,409,878
Granted Patent B2
US 12,409,878 · App. 18/602,109 · Granted Sep 9, 2025

Steering device and method of wrapping synthetic leather

Inventors: Tatsuya Yamada (Kiyosu, JP); Seiji Egawa (Kiyosu, JP); Kazuki Nemoto (Kiyosu, JP); Shintaro Nakamura (Kiyosu, JP)
Assignee: TOYODA GOSEI CO., LTD.
B62D1/06B32B3/14B32B7/09B32B1/00B32B9/025B32B15/08B32B2307/536B32B2307/546B32B2605/003
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Quick Facts
Patent No.
US 12,409,878
App. No.
18/602,109
Granted
Sep 9, 2025
Kind
B2
Abstract

The steering device includes a main body including a metal core, and a synthetic leather part wrapped around the main body. The synthetic leather part includes a first synthetic leather part, a second synthetic leather part made of a different material from the first synthetic leather part, and a first sewing part having a linear shape formed by sewing the first synthetic leather part and the second synthetic leather part together. The first sewing part is formed to extend in a direction not toward a center of the steering device in a front view of the steering device.

Claims (22)

1. A steering device comprising:

a main body including a metal core; and

a synthetic leather part wrapped around the main body, wherein

the synthetic leather part comprises a first synthetic leather part, a second synthetic leather part, and a first sewing part, the second synthetic leather part is made of a different material from the first synthetic leather part, the first sewing part has a linear shape formed by sewing the first synthetic leather part and the second synthetic leather part together, and

the first sewing part is formed to extend in a direction not toward a center of the steering device in a front view of the steering device, wherein

the first synthetic leather part has a different hardness from the second synthetic leather part.

2. A steering device comprising:

a main body including a metal core; and

a synthetic leather part wrapped around the main body, wherein

the synthetic leather part comprises a first synthetic leather part, a second synthetic leather part, and a first sewing part, the second synthetic leather part is made of a different material from the first synthetic leather part, the first sewing part has a linear shape formed by sewing the first synthetic leather part and the second synthetic leather part together, and

the first sewing part is formed to extend in a direction not toward a center of the steering device in a front view of the steering device, wherein

the first synthetic leather part has a different stretchability from the second synthetic leather part.

3. A steering device comprising:

a main body including a metal core; and

a synthetic leather part wrapped around the main body, wherein

the synthetic leather part comprises a first synthetic leather part, a second synthetic leather part, and a first sewing part, the second synthetic leather part is made of a different material from the first synthetic leather part, the first sewing part has a linear shape formed by sewing the first synthetic leather part and the second synthetic leather part together, and

the first sewing part is formed to extend in a direction not toward a center of the steering device in a front view of the steering device, wherein

the main body comprises an upper part, a grip part, and a lower part,

the synthetic leather part further comprises a third synthetic leather part and a second sewing part, the third synthetic leather part is made of a different material from the second synthetic leather part, and the second sewing part has a linear shape formed by sewing the second synthetic leather part and the third synthetic leather part together,

the first synthetic leather part is wrapped around the upper part, and is made of a harder material than the second synthetic leather part,

the second synthetic leather part is wrapped around the grip part, and is more stretchable than the first synthetic leather part and the third synthetic leather part, and

the third synthetic leather part is wrapped around the lower part.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 12, 2024
From: YAMADA, TATSUYA; EGAWA, SEIJI; NEMOTO, KAZUKI; NAKAMURA, SHINTARO
To: TOYODA GOSEI CO., LTD.
Reel/Frame 066724/0045 →
Priority Claims (2)
JP 2023-053604 · Mar 29, 2023 · national
JP 2024-026295 · Feb 26, 2024 · national
Continuity (1)
Related Publication 20240326893A1 · Oct 3, 2024
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