Safety closure-bottle assembly

Claim 1

A safety closure-bottle assembly comprising a flexible snapon closure having a bottle engaging portion which is substantially circular in cross-section, said snap-on closure being of relatively low profile with respect to the outer diameter of said snap-on closure; said closure having a roof, a skirt and a lower marginal surface having an internal diameter of substantially uniform size, said skirt being provided on the internal surface thereof with means for engaging a bead on the neck of said bottle, said snap-on closure being provided with a tab extending outwardly from said lower marginal surface and having a lower surface which is in substantially the same place as the lower marginal surface of said closure; said skirs being tapered downwardly and Outwardly from said closure roof to the outer circumference of said lower marginal surface, the shortness of said skirt and its taper being such as to make it difficult for a child to get its teeth on it when the closure is in position on a bottle; said bottle having a closure receiving portion which is also substantially circular in cross-section, said bottle being provided with a flange extending outwardly from said bottle in the region adjacent its closure receiving portion, said flange having a horizontally extending flat top surface adapted to flushly engage said lower marginal surface of said snap-on closure and further being provided with a first notch; said snap-on closure being capable of being snapped over the open end of said bottle irrespective of the relative circumferential position of said tab with respect to said flange, the relative radial dimensions of the various portions of the assembly and the relative dimensions of said tab and first notch being such that said closure is engageable from below for removal substantially only when it is positioned so that said tab is above said first notch when the assembly is in its upright position.