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The ornamental design for dual wheel caster, as shown and described. |
FIG. 1 is a front perspective view of a first embodiment of a hoodless dual wheel caster;
FIG. 2 is a top view of a hoodless dual wheel caster illustrated in FIG. 1;
FIG. 3 is a front view of the hoodless dual wheel caster illustrated in FIGS. 1 and 2;
FIG. 4 is a right side view of the hoodless dual wheel caster illustrated in FIGS. 1 to 3, a mirror image of the left side view;
FIG. 5 is a rear view of the hoodless dual wheel caster illustrated in FIGS. 1 to 4; and
FIG. 6 is a bottom view of the hoodless dual wheel caster illustrated in FIGS. 1 to 5.
FIG. 7 is a front perspective view of a second embodiment of the hoodless dual wheel caster;
FIG. 8 is a top view of the hoodless dual wheel caster illustrated in FIG. 7;
FIG. 9 is a front view of the hoodless dual wheel caster illustrated in FIGS. 7 and 8;
FIG. 10 is a right side view of the hoodless dual wheel caster illustrated in FIGS. 7 and 9, a mirror image of the left side view;
FIG. 11 is a rear view of the hoodless dual wheel caster illustrated in FIGS. 7 to 10; and
FIG. 12 is a bottom view of the hoodless dual wheel caster illustrated in FIGS. 7 to 11.
FIG. 13 is a front perspective view of a third embodiment of a dual wheel caster having a hood;
FIG. 14 is a top view of the hooded dual wheel caster illustrated in FIG. 13;
FIG. 15 is a front view of the hooded dual wheel caster illustrated in FIGS. 13 and 14;
FIG. 16 is a right side view of the hooded dual wheel caster illustrated in FIGS. 13 to 15, a mirror image of the left side view;
FIG. 17 is a rear view of the hooded dual wheel caster illustrated in FIGS. 13 to 16; and
FIG. 18 is a bottom view of the hooded dual wheel caster illustrated in FIGS. 13 to 17.
FIG. 19 is a front perspective view of a modified first embodiment of the hoodless dual wheel caster;
FIG. 20 is a top view of the hoodless dual wheel caster illustrated in FIG. 19;
FIG. 21 is a front view of the hoodless dual wheel caster illustrated in FIGS. 19 and 20;
FIG. 22 is a right side view of the hoodless dual wheel caster illustrated in FIGS. 19 to 21, a mirror image of the left side view;
FIG. 23 is a rear view of the hoodless dual wheel caster illustrated in FIGS. 19 to 22; and
FIG. 24 is a bottom view of the hoodless dual wheel caster illustrated in FIGS. 19 to 23.
FIG. 25 is a front perspective view of a modified second embodiment of the hoodless dual wheel caster;
FIG. 26 is a top view of the hoodless dual wheel caster illustrated in FIG. 25;
FIG. 27 is a front view of the hoodless dual wheel caster illustrated in FIGS. 25 and 26;
FIG. 28 is a right side view of the hoodless dual wheel caster illustrated in FIGS. 25 to 27, a mirror image of the left side view;
FIG. 29 is a rear view of the hoodless dual wheel caster illustrated in FIGS. 25 to 28; and
FIG. 30 is a bottom view of the hoodless dual wheel caster illustrated in FIGS. 25 to 29.
FIG. 31 is a front perspective view of a modified third embodiment of the hooded dual wheel caster;
FIG. 32 is a top view of the hooded dual wheel caster illustrated in FIG. 31;
FIG. 33 is a front view of the hooded dual wheel caster illustrated in FIGS. 31 and 32;
FIG. 34 is a right side view of the hooded dual wheel caster illustrated in FIGS. 31 to 33, a mirror image of the left side view;
FIG. 35 is a rear view of the hooded dual wheel caster illustrated in FIGS. 31 to 34; and
FIG. 36 is a bottom view of the hooded dual wheel caster illustrated in FIGS. 31 to 35.
Doyle, Michael P., Fontana, Frank J., Provolo, Daniel J.
Patent | Priority | Assignee | Title |
D329011, | Sep 09 1989 | TENTE-ROLLEN GMBH & CO | Caster wheel |
D556553, | May 11 2006 | True Seating Concepts, LLC | Castor with hub |
D556554, | May 11 2006 | True Seating Concepts, LLC | Castor with hub |
D556555, | May 11 2006 | True Seating Concepts, LLC | Castor with hub |
D556556, | May 11 2006 | True Seating Concepts, LLC | Castor with hub |
D556557, | May 15 2006 | True Seating Concepts, LLC | Castor with hub |
D558035, | May 15 2006 | True Seating Concepts, LLC | Castor with hub |
D561014, | Dec 12 2005 | Gross + Froelich BmbH & Co. KG | Castor |
D561015, | Dec 12 2005 | Gross + Froelich GmbH & Co. KG | Castor |
D653526, | May 12 2009 | Emillsider Meccanica S.p.A. | Caster for furniture |
D913082, | Jun 11 2018 | EXEMPLIS LLC | Wheel assembly |
D917945, | Jun 11 2018 | EXEMPLIS LLC | Wheel assembly |
D958638, | Jun 11 2018 | EXEMPLIS LLC | Wheel assembly |
D976037, | Feb 14 2020 | EXEMPLIS LLC | Wheel assembly with contrasting color ring |
D983652, | Mar 25 2021 | Fujian Secure Medical Technology Co., Ltd; FUJIAN SECURE MEDICAL TECHNOLOGY CO , LTD | Caster |
Patent | Priority | Assignee | Title |
3894310, | |||
4077088, | Sep 22 1975 | Two wheel castor particularly for furniture | |
4110866, | Nov 30 1977 | Sugatsune Industrial Co., Ltd. | Caster equipped with a stopper |
4120071, | May 17 1976 | Stewart-Warner Corporation | Dual wheel caster |
4173810, | Mar 13 1978 | Global Castors Limited | Twin-wheel castor |
4290166, | Jun 26 1978 | EMILSIDER MECCANICA S N C | Self-aligning twin-wheeled caster |
4377883, | Oct 13 1981 | Illinois Tool Works Inc | Twin caster assembly |
4399586, | Feb 28 1979 | SHEPHERD CASTER CORPORATION | Dual wheel caster |
4544425, | Mar 07 1984 | KASPAR WIRE WORKS, INC | Method for attaching wheels to dual wheel casters, including ultrasonic welding |
CA1023910, | |||
219703, | |||
220938, | |||
240399, | |||
241004, | |||
241611, | |||
D244989, | Nov 17 1975 | STEWART-WARNER BASSICK CORPORATION | Dual wheel caster |
D245313, | Nov 12 1976 | Harter Corporation | Dual wheel caster |
D266614, | May 01 1978 | Illinois Tool Works Inc | Roller |
FR2007012, | |||
GB1572594, | |||
GB2033218A, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 19 1984 | Stewart - Warner Corporation | (assignment on the face of the patent) | / | |||
Oct 22 1990 | STEWART-WARNER CORPORATION, A CORP OF VA | STEWART-WARNER BASSICK CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST | 005544 | /0483 | |
Mar 14 1996 | Stewart Warner Corporation | KASPAR WIRE WORKS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008013 | /0025 | |
Mar 14 1996 | STEWART WARNER CORPORATION C O INDUSTRIAL COMPONENTS GROUP | KASPAR WIRE WORKS, INC | ASSIGNMENT OF ASSIGNOR S INTEREST RE-RECORD TO CORRECT THE RECORDATION DATE OF 3-25-94 TO 3-25-96 PREVIOUSLY RECORDED AT REEL 8013, FRAME 0025 | 008167 | /0112 | |
Jan 31 2001 | KASPAR WIRE WORKS, INC | SHEPHERD CASTER CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012483 | /0347 |
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