Table and chair for offices, teaching, medical care and construction sites and method

A table, chair, construction site technology, applied in the direction of tables, chairs, applications, etc., can solve problems such as poor storage, and achieve the effect of reducing space occupation
CN112971337APending Publication Date: 2021-06-18何文彬
2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
何文彬
Publication Date
2021-06-18

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a table and chair for office, teaching, medical care and construction sites. The table and chair comprises a bottom plate (100), a first guide rail (200), a chair part (300) and an expansion and contraction part (400), a first motor (401) drives a screw rod (416) to enable nuts (402) to move in the axis direction of the screw rod (416), the nuts (402) enable an expansion plate (408) to move along the first guide rail (200) through a first connecting rod (406), the expansion plate (408) on the upper side is used for fixing a table plate (415), and the expansion plate (408) on the lower side is used for being in contact with a rack; and the nuts (402) drive two third connecting rods (413) through second connecting rods (411) to pull chair legs (303) to be folded and expanded. Under the driving of the second connecting rods (411) and the third connecting rods (413), the chair legs (303) can be expanded, so that people can sit on the chair conveniently; and when the table and chair is retracted, the chair legs can reduce the occupied space. In addition, the height of the table plate (415) can be adjusted by adjusting the height of the upper expansion plate (408) at will.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a tool for office, teaching, medical care and construction sites, in particular to a table and chair for office, teaching, medical care and construction sites. Background technique

[0002] In daily office, teaching, medical care, and construction sites, tables and chairs are necessary tools. But today, when house prices and land prices are very expensive, a set of tables and chairs can occupy an area of ​​about one square meter. Taking Beijing as an example, it takes up about 100,000 house prices. If the above-mentioned tables and chairs can be unfolded when they are practical, and can be placed in a state that takes up less space when not in use, then this can make our house appear larger, thereby fighting against high housing prices.

[0003] Traditional folding tables and chairs are in a separated state, which is not easy to store, and requires manual folding of the supporting structure. Therefore, continue a kind of inte...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More