Headrest for alleviating whiplash injury and the use of...

Details Headrest for alleviating whiplash injury and the use of... Headrest for alleviating whiplash injury and the use of...

2006-12-05

2006-12-05

Nelson, Jr., Milton (Department: 3636)

Chairs and seats

Crash seat

Force-absorbing means incorporated into headrest area

C297SDIG011

Reexamination Certificate

active

07144081

ABSTRACT:
A headrest for alleviating whiplash injury and comprising at least one support member which is uprightly fixed to a seat and a cushioning member of polyurethane foam attached to said at least one support member and enclosed in a covering material is disclosed, wherein the polyurethane foam is one having the following properties: A) A density within the range of 50 to 100 kg/m3; B) a compressive strength between 0.9 and 3.5 mN/mm2at 25% deformation and between 1.3 and 4.5 mN/mm2at 40% deformation; C) a glass transition temperature, Tg (DSC), between −10° C. and +10° C., preferably −5° C. to +4° C.; D) a loss temperature peak maximum between 15 and 30° C.; E) a temperature range for the loss peak between −40° C. and +90° C.; and F) a loss peak area between 4.0 and 8.0.

REFERENCES:
patent: 4744601 (1988-05-01), Nakanishi
patent: 4919483 (1990-04-01), Horkey
patent: 5290091 (1994-03-01), Dellanno et al.
patent: 2002/0060482 (2002-05-01), Sakakibara et al.
patent: 19746413 (1998-04-01), None
patent: 10211840 (1997-11-01), None
patent: 11155879 (1997-11-01), None
patent: 300362 (1997-05-01), None
patent: WO 9944856 (1999-09-01), None
patent: WO 00/20248 (2000-04-01), None

Affiliated with

Also associated with

Rating

Headrest for alleviating whiplash injury and the use of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Headrest for alleviating whiplash injury and the use of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Headrest for alleviating whiplash injury and the use of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3720077