Lid opening device

Details Lid opening device Lid opening device

2005-04-26

2005-04-26

Young, Lee (Department: 3727)

Receptacles

Closures

Pivotable,

C220S835000, C220S264000, C224S275000, C296S037120, C248S311200

Reexamination Certificate

active

06883680

ABSTRACT:
A lid opening device includes a lid body having a pivotal support part on one end thereof pivotally supported on a main body for opening and closing a part of the main body; an engaging member provided on a perimeter around the pivotal supporting part on the lid body; a spring device for urging the engaging member toward a direction in which the lid body opens from the completely closed position; a locking device for holding the lid body in the completely closed position against a springing force of the spring forcing device; and an engaging range restricting device for restricting a range of engagement between the spring forcing device and the engaging member. The lid body urged by the springing force opens at a specific initial opening position.

REFERENCES:
patent: 4470220 (1984-09-01), Sudo
patent: 5388901 (1995-02-01), Asano
patent: 5520313 (1996-05-01), Toshihide
patent: 5620122 (1997-04-01), Tanaka
patent: 5718405 (1998-02-01), Adachi
patent: 5893478 (1999-04-01), Maruoka
patent: 6470627 (2002-10-01), Fukuo
patent: 6609631 (2003-08-01), Asami
patent: 20030173369 (2003-09-01), Nikolaus et al.
patent: 20040034967 (2004-02-01), Hsiu

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