Every other seat is raised by a height of approximately
two steps.
Combines the FLEX-SEAT and the BUSINESS-FLEX-2 models.
Concept designed for aircraft with limited vertical space
available, such as the upper deck of a Boeing 747.
Passenger on the second tier seats laterally to the first tier
passenger - unlike with the
FLEX-SEAT model where
second tier passenger is fully above the first tier. Side row
is alternate elevated seats (
Business-FLEX-1)
Model presents a more economic version of the
BUSINESS FLEX-1
The most cost effective model for improving
passenger comfort
©2006 JACOB-INNOVATIONS LLC
Patents issued and pending - All Rights Reserved
ECONOMY-FLEX
Upper Deck
ECONOMY-COMFORT
BUSINESS-FLEX-2
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Patents issued and pending
- All Rights Reserved
JACOB-INNOVATIONS, LLC
Ergonomics and Logistics Concepts
FLEX-SEAT
Cost Effective Reclining Accommodations for Airlines
Capturing vertical space in airline interiors through the use of steps
The various models provide options to how vertical space can best be captured as a function of passenger density and comfort.
 Survey in AOL Travel - Jul 2010 -Article:  The Future of Airline Seating

Would you fly more frequently
if airplane seats were more comfortable?
    
Yes          60,156   (77.0%)
No            8,617     (11.1%)
Maybe      9,139     (11.9%)