Double wheel castor with stabilizer and vibration damper for transport of heavy machines
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Description
FIG. 1 is a left side, top and front perspective view of a double wheel castor with stabilizer and vibration damper for transport of heavy machines showing my new design;
FIG. 2 is a left side elevational view thereof;
FIGS. 3 and 4 are respectively rear and front elevational views thereof;
FIG. 5 is a right side elevational view thereof;
FIGS. 6 and 7 are respectively top and bottom plan views thereof; and
FIG. 8 is a left side elevational view thereof with the vibration damper in lowered position.
Referenced Cited
U.S. Patent Documents
D221616 | August 1971 | Hollander |
1532064 | March 1925 | Neiswender |
1604723 | October 1926 | Rutherford |
1895882 | January 1933 | Herold |
2490953 | December 1949 | Eriksen |
3455526 | July 1969 | Orii |
3602464 | August 1971 | Orii |
3789796 | April 1975 | Whyte |
3967342 | July 6, 1976 | Gebbard |
4385415 | May 31, 1983 | Volz |
4759098 | July 26, 1988 | Ko |
Patent History
Patent number: D313927
Type: Grant
Filed: Apr 22, 1988
Date of Patent: Jan 22, 1991
Assignee: Kabushikigaisha Orii (Kanagawa)
Inventor: Masaru Orii (Tokyo)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Collard, Roe, & Galgano
Application Number: 7/184,624
Type: Grant
Filed: Apr 22, 1988
Date of Patent: Jan 22, 1991
Assignee: Kabushikigaisha Orii (Kanagawa)
Inventor: Masaru Orii (Tokyo)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Collard, Roe, & Galgano
Application Number: 7/184,624
Classifications
Current U.S. Class:
D/8375