Patent ID: 7927425

Claim:
A power-delivery mechanism, comprising: a power unit; an airtight flexible unit, coupled to the power unit for receiving power therefrom so as to use the received power to perform a motion of linear displacement; a supporting pillar, disposed inside the airtight flexible unit in a manner that it is movable following the linear motion of the airtight flexible unit while an end thereof is extending outside the airtight flexible unit; a pushing panel, mounted on the supporting pillar in a manner that its position is moved with the supporting pillar; and at least one lift pin, with an end thereof being placed freely on the pushing panel by its own weight; wherein the airtight flexible unit further comprises: a first supporting plate; a second supporting plate, disposed at one surface of the first supporting plate while coupling to the power unit and formed as a fillister at another surface thereof opposite to that coupled to the power unit for fixedly receiving and securing an end of the supporting pillar therein; an airtight retractable bush, arranged at a position between the first and the second supporting plates; and at least one guiding rod is arranged between the first and the second supporting plates while disposed at the supporting plate which is placed at a position close to the outer rim of the airtight retractable bush.