Cover activating device

Details Cover activating device Cover activating device

2006-08-22

2006-08-22

Ngo, Lien M. (Department: 3754)

Receptacles

Closures

Externally adjustable plug or gasket

C220S829000

Reexamination Certificate

active

07093733

ABSTRACT:
An activating device activates a cover for the opening face of a container. Pivot arms are fixed to a pivot unit equipped with an electric motor through a reduction gear at one ends, and fixed to plate springs at the other ends. One end portions of the plate springs are fixed to the respective front and rear portions of the cover, the other end portions thereof are fixed to the other ends of the pivot arms. The resiliency of the plate spring is set lower in the vertical direction of the container. The plate spring is bent from its other end portion toward its one end portion at substantially 90° or larger of bending angle. The plate spring is formed so that it bends toward the inside of the center of the cover between the pivot arm and the cover.

REFERENCES:
patent: 3499571 (1970-03-01), Mortara
patent: 3765562 (1973-10-01), Shulz
patent: 4516859 (1985-05-01), Spengler et al.
patent: 4625888 (1986-12-01), Thompson
patent: 4655365 (1987-04-01), Miller
patent: 4680969 (1987-07-01), Hama et al.
patent: 1 211 878 (1966-03-01), None
patent: 10089482 (1998-04-01), None

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