Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Spring supported
Reexamination Certificate
2005-05-17
2005-05-17
Sandy, Robert J. (Department: 3677)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
Spring supported
C016S03500D, C016S01800R
Reexamination Certificate
active
06892421
ABSTRACT:
A shock absorption mechanism for a wheelchair includes a caster fork including a first oblique surface and a second horizontally disposed surface, relative to a horizontal plane of travel of the wheelchair. A portion of the second surface includes a curved profile. A joint is mountable adjacent a first section thereof to a frame of the wheelchair and adjacent a second section thereof to the caster fork. The joint includes a first oblique surface and a second surface for guiding reciprocation of the curved profile portion of the caster fork. A shock absorber is disposed in an oblique orientation between the first oblique surface of the caster fork and the first oblique surface of the joint. The caster fork is pivotable adjacent the second section of the joint. The shock absorber is compressable in a direction generally parallel to the oblique orientation thereof during pivoting of the caster fork.
REFERENCES:
patent: 1745992 (1930-02-01), Herold
patent: 2271304 (1942-01-01), Mulholland
patent: 2472686 (1949-06-01), Snyder
patent: 2494019 (1950-01-01), Ware, Jr.
patent: 2707795 (1955-05-01), Skupas
patent: 2738542 (1956-03-01), Clark, Jr.
patent: 2830545 (1958-04-01), Robinson et al.
patent: 3174176 (1965-03-01), Olson
patent: 4312096 (1982-01-01), Schubert et al.
patent: 4346498 (1982-08-01), Welsch et al.
patent: 4462138 (1984-07-01), Black
patent: 4485521 (1984-12-01), Welsch et al.
patent: 4559669 (1985-12-01), Bonzer et al.
patent: 5305496 (1994-04-01), Gagnon et al.
patent: 5347680 (1994-09-01), Rippe
patent: 5394589 (1995-03-01), Braeger et al.
patent: 5400469 (1995-03-01), Simonsen
patent: 5448796 (1995-09-01), Larson
patent: 5899475 (1999-05-01), Verhaeg et al.
patent: 6149169 (2000-11-01), Chelgren
patent: 6279199 (2001-08-01), Plate
patent: 6409196 (2002-06-01), McFarland
patent: 6425161 (2002-07-01), LeMeur, Jr. et al.
patent: 6499184 (2002-12-01), Plate
patent: 6532623 (2003-03-01), Watanabe
patent: 6568030 (2003-05-01), Watanabe et al.
patent: 52-051641 (1977-04-01), None
patent: 2001-180207 (2001-07-01), None
Ammer William
Blauch Corey
Cooper Rory A.
McCartney Mark
Dykema Gossett PLLC
Jackson Andre′ L.
Sandy Robert J.
The United States of America as represented by the Department of
LandOfFree
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