Brushing – scrubbing – and general cleaning – Implements – Fabric
Reexamination Certificate
2000-08-09
2001-06-19
Till, Terrence R. (Department: 1744)
Brushing, scrubbing, and general cleaning
Implements
Fabric
C015S145000, C015S229200
Reexamination Certificate
active
06247199
ABSTRACT:
BACKGROUND OF THE INVENTION
The cleaning section of a mop, normally referred to as the mop head, is routinely secured to the mop's handle by a threaded connection, i.e. threads at the end of the handle are screwed into a threaded opening in the mop head. In this manner, mop heads whose cleaning strands become old and ineffective can be discarded and new heads replaced on the mop handles.
However, a mop manufacturer or distributor who seeks to ensure that the replacement mop head which is used on its mop product is the proper head and one which is specifically designed for that product, has no viable means of preventing the use of other brands of mop heads. Standard ¾ inch or ⅞ inch threaded connections permit the engagement of any mop head onto a corresponding mop handle. There currently is no viable, effective, and practical means to ensure that only the designated mop heads, specially designed for given mop units, are used to the exclusion of other heads.
SUMMARY OF THE INVENTION
Accordingly it is the object of the present invention to overcome the limitations and deficiencies of prior mop head connectors.
It is the object of the present invention to provide a mop head connection system which will allow the use and replacement of mop heads only on mops which are configured in accordance with the invention.
It is a further object of the present invention to provide a mop head connection system which will not permit, but will preclude the use and replacement of mop heads on mops which are not configured in accordance with the invention.
It is another object of the invention to provide a mop head connection system which employs guide piece/mop head connector components specially configured to be used for threaded engagement only on those mops configured in accordance with the invention.
It is still another object of the invention to provide a mop head connection system which is simple and economical to produce and which requires limited extra components.
It is a further object of the present invention to provide a mop head connection system which can easily and efficiently be assembled to a designated mop handle.
The present invention comprises a mop head with cleaning strands and a specially configured connector. Internal threading and dual channel openings are inset into the inner wall of the connector. A guide piece is positioned for rotatable movement adjacent to the threaded end of the handle which is to be threadedly engaged to the mop head, by means of the connector. The guide piece comprises two outwardly extending arm members and is held in position at the threaded end by a locking tab. The arm members are inserted into the channel openings as the connector is threaded into the threaded end of the handle. The rotational aspect of the guide piece permits continued screwing of the connector onto the handle's threaded end. However, the placement of the guide piece on the threaded end will not permit a mop head connector which is not configured with the dual channel openings from being used on the handle.
The novel features which are considered as characteristic of the invention are set forth in particular in the appended claims. The invention, itself, both as to its design, construction, and use, together with additional features and advantages thereof, are best understood upon review of the following detailed description with reference to the accompanying drawings.
REFERENCES:
patent: 3682516 (1972-08-01), Savage
patent: 4642837 (1987-02-01), Nichols et al.
patent: 5161278 (1992-11-01), Tomm
patent: 5274872 (1994-01-01), Rich
patent: 5385420 (1995-01-01), Newman et al.
patent: 6029308 (2000-02-01), Smith
Goldstein Stuart M.
Quickie Manufacturing Corporation
Till Terrence R.
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