Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Reexamination Certificate
2006-05-16
2006-05-16
Cuomo, Peter M. (Department: 3636)
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
C297S284200, C297S452560
Reexamination Certificate
active
07044551
ABSTRACT:
A seat structure includes a torsion bar40disposed along the width direction in the vicinity of the bottom end of a back frame20, a pelvis supporting plate50is connected to the torsion bar40, and a flat-type supporting member60for the seat back is engaged with the vicinity of the bottom end of the pelvis supporting plate50and strained. Slack of the flat-type supporting member60can be eliminated by the pelvis supporting plate50to enhance the appearance. Further, a vibration inputted from the seat back side, and vibrates as if patting on the back of the human body can be absorbed by an elastic force of the torsion bar40.
REFERENCES:
patent: 2964099 (1960-12-01), Panicci
patent: 3258259 (1966-06-01), Bohlin
patent: 4159847 (1979-07-01), Arai
patent: 4295681 (1981-10-01), Gregory
patent: 4296965 (1981-10-01), Sakurada et al.
patent: 4564235 (1986-01-01), Hatsutta et al.
patent: 4588172 (1986-05-01), Fourrey et al.
patent: 4627661 (1986-12-01), Ronnhult et al.
patent: 4712834 (1987-12-01), Warrick
patent: 4880271 (1989-11-01), Graves
patent: 4896918 (1990-01-01), Hoshihara
patent: 4940284 (1990-07-01), Nagasaka
patent: 5044693 (1991-09-01), Yokota
patent: 5423593 (1995-06-01), Nagashima
patent: 5697672 (1997-12-01), Mitchell
patent: 5884977 (1999-03-01), Swamy et al.
patent: 6499803 (2002-12-01), Nakane et al.
patent: 6644752 (2003-11-01), Takata
patent: 2002/0096932 (2002-07-01), Fujita et al.
patent: 2003/0085600 (2003-05-01), Mori
patent: 2004/0130202 (2004-07-01), Kawasaki
patent: 2059497 (1981-04-01), None
patent: 2002177099 (2002-06-01), None
Chizuka Kazuyoshi
Doi Shun'ichi
Fujita Etsunori
Kawasaki Seiji
Ogura Yumi
Burnham Sarah C.
Cuomo Peter M.
Delta Tooling Co., Ltd.
Steinberg & Raskin, P.C.
LandOfFree
Seat structure does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Seat structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Seat structure will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3559943