Patent
   D313927
Priority
Oct 27 1987
Filed
Apr 22 1988
Issued
Jan 22 1991
Expiry
Jan 22 2005
Assg.orig
Entity
unknown
2
11
n/a
The ornamental design for a double wheel castor with stabilizer and vibration damper for transport of heavy machines, as shown and described.

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.

Orii, Masaru

Patent Priority Assignee Title
D347162, Oct 23 1992 FKI INDUSTRIES INC Shock absorbing caster
D664637, Nov 08 2011 Air Distribution Technologies IP, LLC Indicator for a damper inside the duct work for an HVAC system
Patent Priority Assignee Title
1532064,
1604723,
1895882,
2490953,
3455526,
3602464,
3789796,
3967342, Jan 13 1975 Gerry Baby Products Company Suspended swivel wheel arrangement for baby carriages and the like
4385415, Mar 01 1980 Caster assembly for suitcases and the like
4759098, Nov 17 1986 Hong-Fu Zun Direction setting device for rollers of a baby walker
221616,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 16 1988ORII, MASARUKabushikigaisha OriiASSIGNMENT OF ASSIGNORS INTEREST 0048840259 pdf
Apr 22 1988Kabushikigaisha Orii(assignment on the face of the patent)
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