Double wheel caster
Latest Daifuku Co., Ltd. Patents:
Description
FIG. 1 is a plan view of a double wheel caster showing my new design;
FIG. 2 is a front view;
FIG. 3 is a bottom view;
FIG. 4 is a right side view;
FIG. 5 is a perspective view; and,
FIG. 6 is a section taken on a line A--A of FIG. 4.
Referenced Cited
U.S. Patent Documents
Other references
D220938 | June 1971 | Harlang |
D240399 | July 1976 | Crescenzi |
D241004 | August 1976 | Pinaire |
D241611 | September 1976 | Crescenzi |
D244989 | July 12, 1977 | Crescenzi |
D288286 | February 17, 1987 | Screen |
D329011 | September 1, 1992 | Block |
D334884 | April 20, 1993 | Harada |
3997938 | December 21, 1976 | Pinaire et al. |
4773122 | September 27, 1988 | Wilcox |
5014392 | May 14, 1991 | Melara |
- Magnum Opus Style, 1985, p. 12, caster, center of page. International Designs Bulletin, Aug. 1982, p. 1342, caster located in middle of page. Colson Catalog, Dec. 6, 1989, caster, item A located on center left of page. Payson Casters, Jul. 5, 1988, p. 44, caster, located at bottom of page.
Patent History
Patent number: D346323
Type: Grant
Filed: Dec 30, 1991
Date of Patent: Apr 26, 1994
Assignee: Daifuku Co., Ltd. (Osaka)
Inventor: Kozo Morooka (Osaka)
Primary Examiner: Susan J. Lucas
Assistant Examiner: H. Baynham
Attorneys: Edwin E. Greigg, Ronald E. Greigg
Application Number: 7/814,687
Type: Grant
Filed: Dec 30, 1991
Date of Patent: Apr 26, 1994
Assignee: Daifuku Co., Ltd. (Osaka)
Inventor: Kozo Morooka (Osaka)
Primary Examiner: Susan J. Lucas
Assistant Examiner: H. Baynham
Attorneys: Edwin E. Greigg, Ronald E. Greigg
Application Number: 7/814,687
Classifications
Current U.S. Class:
D/8375