Patent ID: 8544127

Claim:
A foot support device comprising: a main body; a space being formed in the main body, two sides of the main body being located on opposing sides of the main body; each of the two sides of the main body is formed with an opening communicating with the space; an annular groove being formed on an outer circumference of the main body; a seat section being disposed at a bottom end of the main body; an operation member, which is a sleeve member, at least one engagement block being disposed on an inner circumference of the operation member; an insertion pin being fixedly disposed in the operation member; the operation member being fitted around the main body and up and down movable along the main body; an elastic member disposed between the operation member and the main body, in normal state, the elastic member pushing the operation member to keep the operation member moved upward; and a support including a bracket and at least one support body disposed on one side of the bracket; an insertion hole being formed on the bracket; the bracket of the support being rotatably mounted in the space of the main body and positioned under the insertion pin, whereby when the operation member is moved downward, a bottom end of the insertion pin is inserted into the insertion hole to fix the support and when rotating the operation member to move the engagement block into the annular groove, the operation member is latched with the main body.