Agitating – Stirrer within stationary mixing chamber – Rotatable stirrer
Reexamination Certificate
2008-01-15
2008-01-15
Sorkin, David (Department: 1723)
Agitating
Stirrer within stationary mixing chamber
Rotatable stirrer
Reexamination Certificate
active
07318668
ABSTRACT:
A container (10) includes a drum (12) and an agitator (14) positioned within the drum (12)for the mixing of the paint or other liquid contained therein. A one-piece conversion device (16) is installed in the drum's central opening (30), which is defined by a flange (32) having internal threads (34) of a certain diameter. The plug (16) comprises an annular base portion (70) and a hollow elongated portion (72), which together define a passageway (74). The annular base portion (70) has external threads (78) corresponding to the flange's internal threads (34) and internal threads (76) having a different diameter corresponding to a motor mounting component (54).
REFERENCES:
patent: 150517 (1874-05-01), Brooks
patent: 1771321 (1930-07-01), Snow
patent: 2146372 (1939-02-01), Ingraham
patent: 2493210 (1950-01-01), Woodman
patent: 2501016 (1950-03-01), Woodman
patent: 2760761 (1956-08-01), Woodman
patent: 2760762 (1956-08-01), Woodman
patent: 3295836 (1967-01-01), Langella
patent: 4290706 (1981-09-01), Wandl
patent: 5489151 (1996-02-01), Weber
patent: 5839825 (1998-11-01), Krzywdziak
Marks'Standard Handbook for Mechanical Engineers, 10thedition, McGraw-Hill, 1996, pp. 8-8 to 8-26.
Woodman Agitator Inc. (the assignee of the present invention) product pamphlet featuring #1 Single Pin, #2W Blad, #6 Light Duty, #5 Heavy Duty, Air Motor, No. 3 Agitator System, and Custom Nylon Top and Bottom Bearings, no date available.
Woodman Agitator Inc. (the assignee of the present invention) Direct Mount Air Motors product pamphlet featuring Model LZB33 and Model 1UP, no date available.
Renner Otto Boisselle & Sklar
Sorkin David
Woodman Agitator Incorporated
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