Industrial Technology Research Institute

Sheng-Fu Tsai

Tzong-Ming Wu

Muh-Wang Liang

Tung-Fang Yang

Cheng-Yao Lin

Wu-Chen Su

An air vent plug for clean container is disclosed, which includes a mounting ring, a plug body, and a plug cap, the plug cap having an inner ring fitted into the plug body, retaining notches forced into engagement with respective hooks of the plug body, an outer ring fitted over the outer surface of the mounting ring, and top hooks extended from the outer ring and hooked on respective pegs at the outer surface of the mounting ring. An O-ring is mounted outside the plug body and stopped between a collar of the plug body and a bottom edge of the mounting ring for sealing. A filter is mounted inside the plug body to prevent contamination from air passing through the plug body and the air vent of the clean container.

Air vent plug arrangement having a mounting ring, a plug body, and a plug cap for securing the plug body to the mounting ring

A personal guided transport vehicle is disclosed to include a horizontal motion unit, a vertical motion unit, and a gear set coupled between a shaft of the horizontal motion unit and a shaft of the vertical motion unit for enabling the shafts to be interlocked. When operating a horizontal operating lever of the horizontal motion unit, a lock pin is forced into engagement with a mounting hole of the shaft of the vertical motion unit. The horizontal motion unit and the vertical motion unit each have a spring plunger for self-lock. A docking mechanism is disclosed to enable the vehicle to be easily positioned in a docking flange. The docking mechanism includes a locating plate and a coupling plate, the locating plate having a locating notch for quick alignment, the coupling plate having hooks for hooking on the docking flange to hold the vehicle in position.

Growing community of inventors

Feng Shan, Taiwan

Sheng-Fu Tsai