Dental treatment machine with a retractable backrest for children
AssigneeGuangzhou Ajax Medical Equipment Co. Ltd.
InventorsSheng Lin Li, Bing Lyu, Yuansheng Zhou, Xuehua Huang
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Abstract
Embodiments of the present invention provide a dental treatment machine for children. The dental treatment machine may include a base, a cushion and a backrest, where the vertical distance between the base and the cushion, the angle between respective planes of the cushion and the backrest, as well as the horizontal distance between the cushion and the backrest are selectively adjustable according to a child's figure. Preferably, the vertical distance adjustment between the cushion and the base is about 350-730 mm, the angle adjustment between the backrest and the cushion is about 0°˜68°, and the distance adjustment between the backrest and the cushion is about 0˜50 mm.
Claims19
A dental treatment machine for children comprising a headrest;
- a retractable backrest;
- a cushion;
- a base;
- a multimedia structure;
- and a seat adjustment means, said seat adjustment means comprises a seat lifting part, a backrest rotating part, and a backrest expansion part,
- wherein the seat lifting part is disposed between the base and the cushion for vertically adjusting the distance between the base and the cushion and thus selectively adjusting the height therebetween, and
- wherein the backrest rotating part and the backrest expansion part are disposed respectively between the cushion and the retractable backrest for rotating and telescoping the backrest with respect to the cushion;
- wherein the backrest expansion part comprises a backboard that is provided with a C-shaped opening which is downwardly opened, the C-shaped opening is arranged above a waist pillow which is disposed between the cushion and the retractable backrest, and the main body of the waist pillow can be detachably retracted into the C-shaped opening of the backboard.
A dental treatment machine for children, comprising a base;
- a cushion;
- a backrest and a seat adjustment means, said seat adjustment means comprises a seat lifting part, a backrest rotating part, and a backrest expansion part, wherein:
- a vertical distance between the base and the cushion, an angle between respective planes of the cushion and the backrest, and a horizontal distance between the cushion and the backrest are selectively adjustable according to a child's figure,
- the vertical distance between the cushion and the base is 350-730 mm,
- the angle between the backrest and the cushion is 0° ˜68°, and
- the distance between the backrest and the cushion is 0˜50 mm;
- wherein the backrest expansion part comprises a backboard that is provided with a C-shaped opening which is downwardly opened, the C-shaped opening is arranged above a waist pillow which is disposed between the cushion and the retractable backrest, and the main body of the waist pillow can be detachably retracted into the C-shaped opening of the backboard.
Dependencies are inferred from the claim text.