Chair

A technology for chairs and supporting components, which is applied to chairs, chairs with vertically adjustable seats, and other seating furniture, etc., which can solve problems such as cumbersome component connection structures, users’ weight not being stably supported, and component damage
CN101060799AInactive Publication Date: 2007-10-24李秉哲
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
李秉哲
Publication Date
2007-10-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

A miniature magnetic field sensor including a magnetic core which co-operates with at least one excitation coil and a detection coil. In the magnetic field sensor, the core is open and includes at least one bar having tapered ends. A method of fabricating the sensor is provided using microtechnology techniques.
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Description

technical field

[0001] The present invention relates generally to a chair, and more particularly, to a chair in which the heights of the seat and backrest can be adjusted independently. Background technique

[0002] As is generally known, various types of chairs are used depending on the desired purpose of the chair. Chairs are typically divided into coaches and armchairs. Benches allow several people to sit together. Armchairs are designed to allow one person to sit on them. Especially, in the case of an armchair, various functions are provided to the chair so that the user feels more comfortable.

[0003] Generally, a conventional armchair includes a seat that supports a user's buttocks and a backrest that supports a user's back. Further, the chair may have a headrest to support the user's head or armrests on which the user's arms rest.

[0004] Also, everyone who uses a chair has a different body type. Therefore, in order to change the shape of the chair to suit the...

Claims

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