Material or article handling – Vertically swinging load support – Grab
Reexamination Certificate
2008-12-05
2011-12-27
Underwood, Donald (Department: 3652)
Material or article handling
Vertically swinging load support
Grab
C901S021000, C074S490040, C474S032000
Reexamination Certificate
active
08083460
ABSTRACT:
The present invention discloses a cable-driven manipulator comprising an operating unit having a drive motor, and a pulley rotated by the drive motor. An upper arm is coupled, through a joint, to one side of the operating unit. A forearm coupled, through a joint, to the other side of the upper arm by the cable. A gripper of an end effector operably coupled to the forearm, a cable compensation device is installed between the upper arm and the forearm so as to maintain constant the length of the cable that transmits the power of the operating unit to the end effector during the pivoting of the forearm. It is thus possible to prevent the variation of tensile force due to the variation of the length of the cable for operating the end effector during the pivoting of the forearm or the unintended malfunction of the end effector.
REFERENCES:
patent: 4259876 (1981-04-01), Belyanin et al.
patent: 4883400 (1989-11-01), Kuban et al.
patent: 7469617 (2008-12-01), Basile et al.
Choi Chang Hwan
Lee Hyo Jik
Lee Jong Kwang
Park Byung Suk
Yoon Ji Sup
Bardmesser Law Group
Korea Atomic Energy Research Institute
Underwood Donald
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