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Child resistant closure

  • US 4,838,441 A
  • Filed: 04/11/1988
  • Issued: 06/13/1989
  • Est. Priority Date: 04/11/1988
  • Status: Expired due to Term
First Claim
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1. A child resistant closure for a container having an opening, said closure comprising:

  • a base securable to said container about said opening, said base having an orifice therein communicating with said opening, a first engaging means, and means for fixedly securing the base to a container;

    a cover having a second engaging means engageable with said first engaging means for releasably securing said cover to said base and an inwardly deformable portion which, upon inward deformation, moves said second engaging means outwardly and out of engagement with said first engaging means; and

    a hinge joining said cover to said base;

    said cover being movable about said hinge between a closed position wherein said cover obturates said orifice and wherein said first and second engaging means are engaged, and an open position wherein said orifice is exposed, said cover being movable to said open position by inwardly deforming said deformable portion for disengaging said second engaging means from said first engaging means whereupon said cover may be pivoted about said hinge.

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