Spiral wing shaft for mixers
Description
FIG. 1 is a front view of a spiral wing shaft for mixers showing our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a cross-sectional view taken along line 7—7 in FIG. 1; and,
FIG. 8 is a cross-sectional view taken along line 8—8 in FIG. 1.
Claims
The ornamental design for a spiral wing shaft for mixers, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 912125 | February 1909 | Hassam |
| 1699230 | January 1929 | Eberling |
| 2495379 | January 1950 | McIntosh |
| 3327634 | June 1967 | Whiteman, Jr. |
| 3372910 | March 1968 | Estis |
| 3897723 | August 1975 | Lucy et al. |
| 4157872 | June 12, 1979 | Davido, Sr. |
| 4188127 | February 12, 1980 | Pawley |
| 4448536 | May 15, 1984 | Strong |
| D287132 | December 9, 1986 | Forbes |
| 6149291 | November 21, 2000 | Christenson |
| 197 03 495 | January 1999 | DE |
Patent History
Patent number: D513013
Type: Grant
Filed: Jun 17, 2004
Date of Patent: Dec 20, 2005
Assignee: Kitagawa Iron Works Co. Ltd. (Fuchu)
Inventors: Terumi Fujiki (Fuchu), Yoshihiro Kuroda (Fuchu), Hiroki Miyagaki (Fuchu)
Primary Examiner: Mitchell Siegel
Assistant Examiner: Mark A. Goodwin
Attorney: Frishauf, Holtz, Goodman & Chick, P.C.
Application Number: 29/207,771
Type: Grant
Filed: Jun 17, 2004
Date of Patent: Dec 20, 2005
Assignee: Kitagawa Iron Works Co. Ltd. (Fuchu)
Inventors: Terumi Fujiki (Fuchu), Yoshihiro Kuroda (Fuchu), Hiroki Miyagaki (Fuchu)
Primary Examiner: Mitchell Siegel
Assistant Examiner: Mark A. Goodwin
Attorney: Frishauf, Holtz, Goodman & Chick, P.C.
Application Number: 29/207,771
Classifications
Current U.S. Class:
Concrete, Asphalt, Or Soil Mixer (D15/19)