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Folding chair

A technology for folding chairs and backrest frames, which is applied in the field of folding chairs and can solve problems such as deformation and unstable docking

Inactive Publication Date: 2011-04-27
SANYO ELECTRIC CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In this case, when the butt joint between the front ends of the bottom frame and the side frames of the backrest frame deviates, that is, when the butt joint between the front ends of the pipe deviates, the joint is unstable and forced. force, deformation of the front end of the pipe, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] The folding chair of the embodiment is a folding chair implemented in a chair of a chair-type massage machine having a massager such as a bead massager, an air bag massager, or the like.

[0042] This folding chair has a seat, a backrest and an armrest that can be folded forward relative to the seat. In the following description, these frames will be described. The cushioning material covering the frame, the cover cloth, and the massager are all are well known, and their illustrations and descriptions are omitted.

[0043] In addition, in the following description and the above-mentioned description of the background art, "front" means the seat part side, and "rear" means the back part side of the standing state.

[0044] The bottom frame 1 on the seat side has side bars 11, 11 on the left and right. Each side bar 11 includes: a middle part 13 extending substantially horizontally in the front and rear; The front part 12 ; the rear part 14 extending obliquely and upward...

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PUM

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Abstract

The invention provides a folding chair, the backrest part of which can be folded forwardly relative to the seat part, so as to reduce the overall size and weight of a controlled bottom frame at the backrest part side and the folding connection part of a controlled backrest frame. The backrest frame (2) is pivoted and supported on a supporting carriage (3) which is arranged on the bottom frame (1), and a contact carriage (4) which abuts with the supporting carriage (3) is disposed on the backrest frame. A plate surface (33) of the supporting carriage abuts against a plate surface (43) of the contact carriage (4) by means of surface contact, so as to maintain the erection position of the backrest frame (2).

Description

technical field [0001] The present invention relates to a folding chair with a regulatory frame. Background technique [0002] Known to have [0003] In such a folding chair, the back portion of the chair can be folded relative to the seat portion, and the chair adopts a tubular frame. [0004] Such as Figure 8 , Figure 9 As shown, in the above-mentioned chair, the bottom frame 1 on the seat side and the back frame 2 on the back side are connected by the folded connecting portion 7 . [0005] The folding connecting portion 7 is configured in such a way that, on the left and right side rods 11 of the bottom frame 1 on the seat side, a bracket 70 having a U-shaped cross-section is opened from the side with the release surface facing the front side. The upper end of the rod 11 is exposed and fixed, and the left and right side rods 21 of the back frame 2 are inserted into the upper end of the bracket 70 and are rotatably supported forward by pins 71 . [0006] In the back ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C4/00
Inventor 渡边力池田健太
Owner SANYO ELECTRIC CO LTD