×

Tamper resistant closure member

  • US 4,526,293 A
  • Filed: 01/31/1983
  • Issued: 07/02/1985
  • Est. Priority Date: 01/31/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. A tamper resistant closure member adapted to be affixed to a dispensing container having an opening therein, which container is for holding solid dosage forms comprising:

  • an inner housing adapted to be fixedly mounted to an opening of the dispensing container, said inner housing having an end wall defining an interior surface towards said container and an exterior surface away from said container, said end wall including an opening therein through which the solid dosage form may pass, said exterior surface having a recess thereon, said recess having a forward wall and a terminal wall, said recess being positioned about said inner housing opening with said forward wall in close proximity to said inner housing opening and extending across said inner housing opening to said terminal wall positioned away from said inner housing opening,obstruction means cooperating with said inner housing opening within said recess, and resiliently fixed towards said forward wall of said inner housing, to permit said obstruction means to move from a first closed position over said inner housing opening to a second open position,an outer housing rotatably affixed to said inner housing, said outer housing having an end wall defining an interior surface towards said inner housing and an exterior surface away from said inner housing, said outer housing end wall having an opening axially positioned to cooperate with said inner housing opening on said inner housing end wall, said interior surface of said outer housing including projection means thereon adjacent to said outer housing opening and adapted to be received in said recess to engage and substantially close said obstruction means as said opening of said outer housing is rotated in communication with said recess to permit a dosage form to exit through said outer housing opening, said projection means for engaging foreign objects inserted in said outer housing opening and impacting said foreign objects upon said terminal end of said recess; and

    ,ratchet means affixed to said inner and outer housings thereby permitting said outer housing to rotate only in one direction relative to said inner housing.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×