Tent – canopy – umbrella – or cane – Canes – sticks – crutches – and walking aids – Tips
Reexamination Certificate
2007-09-18
2007-09-18
Canfield, Robert (Department: 3635)
Tent, canopy, umbrella, or cane
Canes, sticks, crutches, and walking aids
Tips
C135S084000, C135S086000, C403S229000
Reexamination Certificate
active
10691449
ABSTRACT:
A joint mechanism for use in a rod for bearing at least a portion of a user's weight and a corresponding flexible tip for contacting a substantially horizontal surface. The joint mechanism includes a spring mechanism, a first bushing, and a second bushing. The spring member has opposed first and second ends. The first bushing is adapted for positioning in a hole in an end of the rod and has a cavity adapted to receive the first end of the spring member. The second bushing is adapted for positioning in a hole in the flexible tip and has a cavity adapted to receive the second end of the spring member.
REFERENCES:
patent: 434708 (1890-08-01), Grier
patent: 568557 (1896-09-01), Avery
patent: 1013410 (1912-01-01), Lynch
patent: 1485036 (1924-02-01), Kingsley
patent: 1674983 (1928-06-01), Morton
patent: 1761502 (1930-06-01), Sullivan
patent: 1895229 (1933-01-01), Morton
patent: 2306638 (1942-12-01), Meisler
patent: 2351145 (1944-06-01), Pearson
patent: 2419105 (1947-04-01), Allan
patent: 2705637 (1955-04-01), Hranicka
patent: 2888022 (1959-05-01), Fanning
patent: 3275319 (1966-09-01), Rost
patent: 3365195 (1968-01-01), Hansburg
patent: 3437059 (1969-04-01), James et al.
patent: 3441272 (1969-04-01), Mann
patent: 3660920 (1972-05-01), Spina
patent: 3735980 (1973-05-01), Weiss
patent: 4032140 (1977-06-01), Davis et al.
patent: D256260 (1980-08-01), Lay, Jr.
patent: 4332399 (1982-06-01), Kepple
patent: 4510957 (1985-04-01), Frank
patent: 4636109 (1987-01-01), Clausen et al.
patent: 4958651 (1990-09-01), Najm
patent: 5074548 (1991-12-01), Sawyer
patent: 5088513 (1992-02-01), Ostermeyer
patent: 5123311 (1992-06-01), Dymek
patent: 5445471 (1995-08-01), Wexler et al.
patent: 5509874 (1996-04-01), Shih
patent: 5865204 (1999-02-01), Bracy
patent: 6055998 (2000-05-01), Bader
patent: 6267529 (2001-07-01), Mudryk et al.
patent: 6328047 (2001-12-01), Lee
patent: 6374841 (2002-04-01), Yamamoto et al.
patent: 6382596 (2002-05-01), D'Ath
patent: 6488717 (2002-12-01), McColl et al.
patent: 6883530 (2005-04-01), Kawakami
patent: 7108445 (2006-09-01), Henriques
patent: 2002/0170587 (2002-11-01), Uemura
patent: WO91/11222 (1991-08-01), None
1 page definition of “bushing” from www.dictionary.com search May 26, 2007.
Canfield Robert
Karich Eric
LandOfFree
Joint mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Joint mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joint mechanism will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3752760