Ratchet cap for mounting a dispensing device onto a container

Details Ratchet cap for mounting a dispensing device onto a container Ratchet cap for mounting a dispensing device onto a container

1991-09-20

1992-09-01

Elkins, Gary E.

Bottles and jars

Closures

Cap type

215216, B65D 4104

Patent

active

051432374

ABSTRACT:
A connecting assembly for mounting a fluid dispensing assembly onto a container comprises a cap for receiving and connecting the dispensing device onto the container and a cylindrical neck finish on top of the container for receiving the cap. The cap as well as the cylindrical neck finish have threads for mutual engagement.
Furthermore, the cap has an orifice within its top wall for receiving the fluid dispensing device.
Ratchet teeth inside the cap and corresponding ratchet teeth outside the cylindrical neck finish engage mutually to prevent the cap from being unlocked accidently. The ratchet teeth inside the cap have a rearwardly extending short back face and a forwardly extending long front face whereby the short back face and the long front face form an acute but almost rectangular angle. The short back face of one ratchet tooth extends of the bottom of a long front face of an adjacent ratchet tooth. The ratchet teeth inside the cap are uniformly distributed.
The short back faces of any ratchet teeth have a slight slant, preferably 10 degree, off a radial line passing through the center of the cap and the slight slant is a trailing slant.

REFERENCES:
patent: 2124638 (1938-07-01), Sheldon et al.
patent: 3407976 (1968-10-01), Homma
patent: 3924769 (1975-12-01), Fillmore
patent: 3944101 (1976-03-01), Landen et al.
patent: 4345691 (1982-08-01), Burke
patent: 4413743 (1983-11-01), Summers
patent: 4736859 (1988-04-01), Mayes et al.
patent: 4913299 (1990-04-01), Petro
patent: 4991733 (1991-02-01), Marino

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