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Back support assembly for the back of a chair

A back support and chair technology, applied in the field of back support components, can solve problems such as back posture damage, pain, discomfort, etc.

Active Publication Date: 2017-12-01
詹姆斯·E·格罗夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the user's back posture can be compromised, and the user can suffer from lower back pain and discomfort, especially during long hours of work

Method used

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  • Back support assembly for the back of a chair
  • Back support assembly for the back of a chair
  • Back support assembly for the back of a chair

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Also refer to the attached Figures 1 to 4 , shows and discloses a back support assembly 1 for use at the back of a chair 3 . Chair 3 is a chair that rocks forward and backward and is of the type commonly found in homes or offices to provide a comfortable seat for people working at a desk, bench or similar work surface. However, the specific use of the chair 3 should not be considered as a limitation of the invention.

[0016] The chair 3 includes a seat 5 to support the user's weight. The seat 5 has a cushion surface 7 secured on top of a solid (eg plywood) seat support 9 . The seat tilt control bracket 10 is attached to the seat support 9 and protrudes below the seat support 9 . The seat 5 is held above the ground by a base 11 having a set of protruding feet 12 to which corresponding rollers 13 are attached to allow the chair to be moved around. A cylinder 14 extends between the base 11 and a cylinder receiver 16 located below the seat 5 and attached to its seat s...

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PUM

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Abstract

The invention relates to a back support assembly for the back of a chair, in particular to a back support assembly for the back of a chair that rocks back and forth. The back of the chair includes a front that is spaced from and pivotally coupled to a rear. The front of the chair back is rotatable towards and away from the back of a user. A back support pushing arm within the back of the chair is pivotally coupled to the rear of the chair back and rotatable between a first position at which to apply a pushing force against the front of the chair back when the chair rocks forwards and a second position when the user leans back, the chair rocks backwards, and the front of the chair rotates towards the rear. A force generating strap within the chair back contacts and urges the back support pushing arm to rotate to the first position lying against the front of the chair back.

Description

technical field [0001] The present invention relates to a back support assembly within the back of a chair of the type that rocks back and forward and is typically found in a home or office adjacent to a work surface. The back support assembly includes a curved back support that is rotatable when the chair is rocked forward in a first direction that protrudes outward from the chair back toward the user's back, and that when the chair When rocked backward, the curved back support can rotate inwardly relative to the chair back in the opposite direction allowing the user to lean fully back and recline on the chair back. Background technique [0002] A variety of chairs have been used in homes or offices to enable a user to sit adjacent to a work surface, such as a desk. In this situation, the user has access to a computer, book, tablet, etc. placed on the work surface so that the user can work while seated. Some chairs are adapted to rock back and forward in response to the u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47C1/033A47C7/46
CPCA47C1/03255A47C1/033A47C7/462A47C7/445A47C4/46
Inventor 詹姆斯·E·格罗夫
Owner 詹姆斯·E·格罗夫