Apparatus for closing and reopening the cover for a container

Details Apparatus for closing and reopening the cover for a container Apparatus for closing and reopening the cover for a container

1985-04-24

1987-05-12

Moore, Richard E.

Closure fasteners

Cross bars

Screw-operating means

292 25, E05C 910

Patent

active

046644318

ABSTRACT:
For use with a container with a removable cover at the top opening, at least one pair of cover tightening members are pivotally linked with each other and are mounted to the cover so that they can be operated to tighten the cover to the container or release it from the container. Specifically, each of the tightening members has an internally threaded central bore through it for accommodating its operating member which is also threaded to engage the central bore. The tightening member further includes stationary or fixed pawls at both ends thereof that engage or disengage with the flanged lateral sides of the container. Thus, when the operating member advances through the central bore, the pawls are disengaged from the flanges to allow the cover to be removed from the container, and when operating members are retracted, the pawls are made to engage the flanges to tighten the cover to the container. In either case, one tightening member is operatively associated with the other by means of the pivotted links. The operating member is operated automatically by a manipulating device which includes a pair of socket guns for rotating the operating members and a pair of pivotal latches for engaging and disengaging the cover. The manipulating device is movably mounted above the cover for selectively removing or attaching the cover to the container.

REFERENCES:
patent: 707011 (1902-08-01), Reynolds
patent: 1369969 (1921-03-01), Fairbanks et al.
patent: 2707575 (1955-05-01), Wheatley
patent: 3823512 (1974-07-01), Kobayashi

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