Conical thread blender jar

Details Conical thread blender jar Conical thread blender jar

1993-09-27

1996-06-18

Weaver, Sue A.

Bottles and jars

Attachment or adjunct

215 44, 215329, 366205, B65D 2300, B65D 2310, B65D 4104

Patent

active

055269494

ABSTRACT:
A jar, preferably for a domestic blender, is provided with an external thread at a lower end for engaging with an internally threaded base member. The threads have a varying radial position along the axial length of the threaded area to assist in the assembly of the two parts and to prevent cross threading. In the disclosed embodiment, the jar has a frusto-conically shaped lower portion on which a constant height thread is formed. The base member has a cylindrical wall with a thread having a varying radial height to complement the position of the jar thread.

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patent: 4798303 (1989-01-01), Arnold
patent: 4885917 (1989-12-01), Spector
patent: 4887909 (1989-12-01), Bennett
patent: 4889248 (1989-12-01), Bennett

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