Safety interlock system for mechanical manipulators

Material or article handling – Vertically swinging load support

Reexamination Certificate

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C403S325000, C403S327000

Reexamination Certificate

active

07637709

ABSTRACT:
A safety interlock system including a rotatable lever operably connected to a lift component and to a load supporting component of a mechanical manipulator, where the rotatable lever is biased in a first rotational direction, and is configured to rotate in an opposite rotational direction in response to a lifting force applied by the lift component. The safety interlock system also includes a locking component configured to engage a support frame of the mechanical manipulator based on a rotational position of the rotatable lever.

REFERENCES:
patent: 461350 (1891-10-01), Lincoln
patent: 1057303 (1913-03-01), Trepa
patent: 3883105 (1975-05-01), Matsumoto
patent: 4044900 (1977-08-01), Gaumont et al.
patent: 5489032 (1996-02-01), Mayhall, Jr. et al.
Print out of a website brochure from www.positech-solutions.com, entitled “Conco Balance Master Mount,” publicly available prior to Jul. 11, 2006.

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