Material or article handling – Horizontally swinging load support – Swinging about pivot
Reexamination Certificate
2005-01-11
2005-01-11
Keenan, James W. (Department: 3652)
Material or article handling
Horizontally swinging load support
Swinging about pivot
C414S917000, C414S939000, C901S015000, C901S021000
Reexamination Certificate
active
06840732
ABSTRACT:
This invention provides a transport apparatus having a simple configuration that can reduce its turning radius and transport semiconductor devices at high speed. The transport apparatus comprising the first and second arms having at a first end of each thereof a rotary drive shaft being arranged coaxially, and third and fourth arms rotatably linked at respective the first ends thereof to the respective second ends of the first and second arms. The second ends of the third and fourth arms are supported around centers of coaxially arranged spindles, respectively. The transport apparatus further comprises an articulating mechanism having an attitude control mechanism adapted to apply rotary forces with opposite phases to the respective spindles arranged at the third and fourth arms.
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Minami Hirofumi
Yuyama Junpei
Armstrong, Kratz, Quintos Hanson & Brooks, LLP.
Keenan James W.
ULVAC Inc.
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