Dual wheel caster
Latest Stewart - Warner Corporation Patents:
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.
D219703 | January 1971 | Harlang et al. |
D220938 | June 1971 | Harlang |
D240399 | July 1976 | Crescenzi et al. |
D241004 | August 1976 | Pinaire et al. |
D241611 | September 1976 | Crescenzi et al. |
D244989 | July 12, 1977 | Crescenzi |
D245313 | August 9, 1977 | Koepke |
D266614 | October 19, 1982 | Neville |
3894310 | July 1975 | Screen et al. |
4077088 | March 7, 1978 | Melara |
4110866 | September 5, 1978 | Ishii |
4120071 | October 17, 1978 | Crescenzi |
4173810 | November 13, 1979 | James |
4290166 | September 22, 1981 | Melara |
4377883 | March 29, 1983 | Folson |
4399586 | August 23, 1983 | McCarroll |
4544425 | October 1, 1985 | Provolo |
1023910 | October 1978 | CAX |
2007012 | January 1970 | FRX |
2033218A | May 1980 | GBX |
1572594 | July 1980 | GBX |
- Design, Sep. 1978 at p. 96; Showing of Chair Casters, Wilkhahn-Program 23. Faultless Catalog 82: .COPYRGT.1982; at p. 11, Twin Disk.RTM. Casters. Outwater Plastics Inc. Catalog #83, .COPYRGT.1983; at p. 503, Gemini I Twin Wheel Caster, Hooded; at p. 531, Black, Chrome or Brass Casters.
Type: Grant
Filed: Dec 19, 1984
Date of Patent: Jun 21, 1988
Assignee: Stewart - Warner Corporation (Chicago, IL)
Inventors: Michael P. Doyle (Stratford, CT), Frank J. Fontana (Stratford, CT), Daniel J. Provolo (Fairfield, CT)
Primary Examiner: Horace B. Fay
Law Firm: Lorusso & Loud
Application Number: 6/682,591