Patent ID: 6029835
Filing Date: 2000-02-29
Classification: B65D

Abstract:
A child resistant safety cap for containers, which comprises:(a) an outer cap having a sidewall and a top, said sidewall having an inside predetermined height, said sidewall having a plurality of openings for retraction and extension of key arms therethrough, said top having engaging means for engaging and disengaging connecting means of said key arms;(b) an inner cap contained within said outer cap, said inner cap having a sidewall and a top, said top of said inner cap having slide means for slideably attaching a plurality of key arms, said inner cap having a predetermined height less than the inside predetermined height of said outer cap so as to be vertically slidable therein, said inner cap having a first vertical position, being a lower position away from said top of said outer cap wherein said engaging means of said outer cap and said connecting means of said plurality of key arms are disengaged, and said inner cap having a second vertical position, being a higher position toward said top of said outer cap wherein said engaging means of said outer cap and said connecting means of said plurality of key arms are engaged, said inner cap also having threading on its inside for screwing onto and off a correspondingly threaded container;(c) a plurality of key arms located on the top of said inner cap and under the top of said outer cap, and connected to said slide means of said top of said inner cap, said plurality of key arms having connecting means for engaging and disengaging with said engaging means of said top of said outer cap, said key arms having a first, closed position wherein they are retracted and do not extend beyond the sidewall of said outer cap, and a second, open position wherein they are extended and do extend through and beyond said plurality of openings of said outer cap sidewall; and,(d) at least one spring element located between said outer cap and said inner cap, biasing said inner cap into its lower position away from said top of said outer cap;wherein when said child resistant safety cap is on a threaded container in its position with said engaging means disengaged, from said connecting means being a normal rest position, said outer cap will freely rotate about said inner cap in at least one direction to prevent opening, and when said outer cap is pressed down to engage said engaging means with said plurality of key arms, and said outer cap is rotated while being pressed down, said plurality of key arms are extended through said outer cap sidewall openings and then both said inner cap and outer cap may be simultaneously rotated by rotation of said outer cap utilizing the key arms as handles to permit opening.