Air inflation cushion with cells having helical edges

Details Air inflation cushion with cells having helical edges Air inflation cushion with cells having helical edges

2006-12-08

2008-08-05

Grosz, Alexander (Department: 3673)

Beds

Support for users body or part thereof

Removable support specially adapted for seating

C005S710000

Reexamination Certificate

active

07406734

ABSTRACT:
An air inflation cushion with cells having helical edges comprises a lower sheet; an upper cushion portion adhered upon the lower sheet; the upper cushion portion including at least one air inflation cell; each air inflation cell having an approximate rectangular cross section and being supported by four helical edges for enhancing the structure of the cell; upper ends of the helical edges being formed as rectangular upper planes; the four helical edges dividing the air inflation cell into four lateral surfaces; a lower portion of each lateral surface being formed with a convex cambered protrusion; and an air tap at one of the cells and extending from one of the helical edges. The air inflation cushion is made of black rubber. The cell is extended with a communication trench which causes two adjacent cells are communicated to one another.

REFERENCES:
patent: 4698864 (1987-10-01), Graebe
patent: D355558 (1995-02-01), Graebe
patent: 5533220 (1996-07-01), Sebag et al.

Affiliated with

Also associated with

Rating

Air inflation cushion with cells having helical edges does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Air inflation cushion with cells having helical edges, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Air inflation cushion with cells having helical edges will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4013796