Blender adaptor

Claim 1

In a blender adaptor suitable to mount a laboratory bottle having a narrow, threaded neck upon a blender base which is equipped with a jar mounting attachment having a floor and a relatively wide diameter, internally threaded section positioned above the floor, the combination of A. an adaptor ring having the configuration of an annular ring including a top and a generally planar bottom and defining an inside diameter face and an outside diameter face, 1. said inside diameter face being provided with internal threads, 2. said internal threads being of suitable diameter and pitch to threadedly engage the said narrow bottle, threaded neck, 3. said outside diameter face being provided with external threads, 4. said external threads being of suitable diameter and pitch to threadedly engage the said relatively wide diameter internally threaded of said jar mounting attachment section and B. connection means between the adaptor ring and the jar mounting attachment to provide a leakproof connection therebetween, 1. said connection means including a resilient gasket, said gasket being interposed between the bottom of the adaptor ring and the floor of the jar mounting attachment, 2. the bottom of the adaptor ring being formed to provide a depending, circular downwaardly facing sealing lip, a. said lip depending below the general plane of the bottom and terminating downwardly in a sealing surface, b. the entire sealing surface of the lip pressing into and compressing the resilient gasket to provide a leakproof seal when the adaptor ring is threadedly engaged into the jar mounting attachment.