Chair back and chair

A technology for the back and the back of a chair, applied in chairs, stools, home appliances, etc., can solve the problems of easy loosening, easy safety, and blocking of users in the back row, so as to improve comfort, improve stability, and enhance the sense of luxury. Effect

Active Publication Date: 2021-12-31
安吉岳杰家具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The height of the back of the chair should not be too high, otherwise it will block the view of the users in the rear row. The height of the chair is limited, that is, the length of the writing board is limited, so the user needs to lean forward when writing. This defect can be solved by reducing the gap between the front and rear of the chair, but it will cause the user's leg space to be cramped
[0005] 2. When the user is not writing, the writing desk is locked by the cooperation of the first locking m

Method used

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  • Chair back and chair
  • Chair back and chair
  • Chair back and chair

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0035] Refer Figure 1 - Figure 6 A seat back 1, which is generally presented as a contour vertically long, narrow square around the back seat back projection are formed extending around the step 1-A, 1-A of the seat back step has been extended to the left and right chair two right and left sides of the back 1 along. Step 1-A is a seat back for supporting the back below the level of deployment script table 2, the step 1-A seatback not too low, it will be normal sitting height substantially corresponding to the chest of the user, at the height of the post can give row users more comfortable writing height, in the case of a normal user sitting in front of the head and the writing table 2 can always be maintained within the range of the user's peripheral vision, they do not bow rise writing frequently, or have deliberately torso down bending to see the contents of writing.

Embodiment approach

[0036] Seat back 1 is a hollow structure having an interior receiving chamber 10, the step 1-A of the seat back defines a window around the same direction to the receiving chamber 10 and extending vertically through the front window edge 11, 111 of the window 11 112 height above the windowsill. In one embodiment, the step 1-A seatback stepped surface 11 and the inclination of the window to match, such that the window 11 is completely positioned on the seatback step 1-A; In another embodiment, the seat back 1 step -A stepped surface is substantially horizontal, the front window edge of the window is positioned on the back surface 11111 of the seat back 1, so that a small portion of the window 11 is positioned on the rear surface of the seat back 1.

[0037] Window 11 is inserted is provided as a vertical writing station status 2, sets the writing portion 2 is located within the receiving chamber 110 of the seat back, the seat back portion exposed outside a writing table 2 can move ...

Embodiment example 2

[0050] Refer Figure 7 A chair, including the backrest of the case 1, as well as chair, armrest. The chair can be applied to the classroom, auditorium, report hall, viewing hall, etc.

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PUM

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Abstract

The invention discloses a chair back. A containing cavity is formed in the chair back. The back surface of the chair back protrudes to form a chair back step extending in the left-right direction, and a window penetrating through the containing cavity in the up-down direction is formed in the chair back step; a writing table which is partially positioned in the containing cavity, is in a vertical state and is supported on the chair back step is inserted into the window; and the writing table can move upwards for a certain distance and then is gradually overturned backwards until the writing table is in a horizontal state and is clamped between the front window edge and the rear window edge of the window. The chair back and chair have the beneficial effects that the length of the writing table can be increased, and the comfort level of a user is improved.

Description

Technical field [0001] The present invention relates to a chair backrest and belongs to the technical field of chair. Background technique [0002] Used as needed, apply in the auditorium, classrooms, lecture halls and other places need to set up a chair and place the file using WordPad for recording or writing desk. After the prior art disclosed in, for example, Patent Application No. CN210643339U discloses a tablet on a rotatable office chair, work, the tablet along the central axis of the support bar to a level tablet, about said body portion horizontal rotary connecting block in front of the seat to solve the problem of inconvenience when people use the seat, or place items need to be recorded. This tablet is provided on the arm of the chair, and therefore its lower height, the relative position on, users need to frequently down even bent down to write, very uncomfortable. [0003] Based on this technical problem, the prior art as disclosed in Patent Application No. CN2093153...

Claims

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Application Information

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IPC IPC(8): A47C7/40A47C7/62
CPCA47C7/40A47C7/62A47C7/622
Inventor 岳守江
Owner 安吉岳杰家具有限公司
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