Automatic door opener

Material or article handling – Process – Including vertically swinging load support

Reexamination Certificate

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Details

C414S684300

Reexamination Certificate

active

07467919

ABSTRACT:
A wafer carrier opener is provided. The wafer carrier opener may eliminate the use of two separate actuators by using a four-bar linkage mechanism. The wafer carrier opener includes a wafer carrier door receiver, a horizontally stationary member, and a link coupled between the wafer carrier door receiver and the horizontally stationary member so as to allow horizontal movement of the wafer carrier door receiver.

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