Concave backrest

A concave design on the chair backrest addresses the issue of bags and umbrellas slipping off by securely holding their straps, enhancing user convenience and operational efficiency.

JP3255409UActive Publication Date: 2026-04-08江刺家 昇
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-10-24
Publication Date
2026-04-08

AI Technical Summary

Technical Problem

Bags and umbrellas frequently slip off chair backrests in public spaces, causing inconvenience and hindering operations.

Method used

A concave portion is designed at the center of the chair backrest to prevent straps from slipping off.

Benefits of technology

The concave portion effectively secures bags and umbrellas by preventing them from slipping off.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a chair and a chair back that prevent bags, umbrellas, etc., that are hooked onto the backrest from slipping off. [Solution] The chair back has a recess in the upper center, making it difficult for items such as backpack straps, shoulder bags, or U-shaped handle umbrellas to fall off when hooked onto it.
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Description

Technical Field

[0001] The present invention has the shape of a chair backrest that prevents a bag or an umbrella from slipping off even when they are hung on it.

Background Art

[0002] In restaurants, entertainment facilities, etc., bags or umbrellas may be hung on the backrests, but they are often seen to slip off. Also, in order to avoid this, some people place their luggage on the adjacent empty seats, which hinders the operation of the store or facility.

Summary of the Invention

Problems to be Solved by the Invention

[0003] It is to prevent bags, umbrellas, etc. hung on the chair backrest from slipping off.

Means for Solving the Problems

[0004] A concave portion is provided at the center of the upper part of the chair backrest.

Effects of the Invention

[0005] The concave portion of the chair backrest can prevent the straps of the bag or the umbrella from slipping off.

Brief Description of the Drawings

[0006] [Figure 1] This shows the location and overall image of the present invention. [Figure 2] Example when a backpack (2-1) is hung, Example when a shoulder bag (2-2) is hung, Example when a U-shaped handle umbrella (2-3) is hung

Claims

[Claim 1] The chair's backrest has a recess in the center of the top, making it less likely for items like backpack straps, shoulder bags, or U-shaped handles to fall off when hooked onto it.