Foot controller for dental unit chair
AssigneeOsstemimplant Co., Ltd.
InventorDae Yong Hwang
Life of this patent
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Abstract
The present invention provides a foot controller for a dental unit chair capable of easily and conveniently controlling the amount of air supplied to a treatment tool provided in the dental unit chair. The present invention provides a foot controller for a dental unit chair, including: an air valve configured to control a flow rate of air supplied to the treatment tool; a cam block configured to be installed under a rod provided in the air valve and having an inclined surface; a pedal unit configured to be disposed at a location spaced apart from the cam block by a predetermined distance and rotatable left and right by an external force and movable up and down; and a connection part configured to connect the cam block and the pedal unit so that the cam block moves in conjunction with movement of the pedal unit.
Claims9
A foot controller for a dental unit chair for controlling a treatment tool provided in the dental unit chair, the foot controller comprising:
- an air valve controlling a flow rate of air supplied to the treatment tool;
- a cam block installed under a rod provided in the air valve and having an inclined surface;
- a pedal unit disposed at a location spaced apart from the cam block by a predetermined distance and rotatable left and right by an external force and movable up and down;
- and
- a connection connecting the cam block and the pedal unit so that the cam block moves in conjunction with movement of the pedal unit,
- wherein the air valve and the cam block are disposed so that a distance between the inclined surface and the rod is changed by the left and right rotation of the cam block according to the left and right rotation of the pedal unit.
Dependencies are inferred from the claim text.