Material or article handling – Vertically swinging load support
Reexamination Certificate
2006-04-18
2006-04-18
Underwood, Donald W. (Department: 3652)
Material or article handling
Vertically swinging load support
C074S490060, C414S736000
Reexamination Certificate
active
07029224
ABSTRACT:
A method for transferring a thin plate is provided, in which three or more grasping claws of a transfer arm grasp the periphery of the thin plate in order to transfer it to a predetermined transfer position, and three or more holding claws hold the periphery of the thin plate in the transfer position. The transfer arm rotates about a shaft which is in a direction of a vector sum of a first vector perpendicular to a surface of the thin plate before transfer, and a second vector perpendicular to the surface of the thin plate after the transfer, to transfer the thin plate with changing the posture thereof.
REFERENCES:
patent: 4821972 (1989-04-01), Grollimund et al.
Handa Koji
Kassai Takaaki
Kubo Keishi
Takeuchi Hiroyuki
Yoshizumi Keiichi
Greenblum & Bernstein P.L.C.
Underwood Donald W.
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