US 12,006,191 B2
Fleet and twist tolerant flat belt design
Blake Sessions, Boston, MA (US)
Assigned to Liftwave, Inc., Somerville, MA (US)
Filed by Liftwave, Inc., Somerville, MA (US)
Filed on Dec. 5, 2022, as Appl. No. 18/074,670.
Application 18/074,670 is a continuation of application No. 16/415,478, filed on May 17, 2019, granted, now 11,535,498.
Claims priority of provisional application 62/672,786, filed on May 17, 2018.
Prior Publication US 2023/0099195 A1, Mar. 30, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B66D 1/28 (2006.01); B29D 29/00 (2006.01); B29K 75/00 (2006.01); B66B 7/06 (2006.01); B66D 3/04 (2006.01)
CPC B66D 1/28 (2013.01) [B29D 29/00 (2013.01); B29K 2075/00 (2013.01); B66B 7/062 (2013.01); B66D 3/04 (2013.01)] 10 Claims
OG exemplary drawing
 
7. A flat belt comprising:
a jacket; and
a plurality of cords positioned in the jacket, wherein the plurality of cords comprises one or more inner cords and one or more outer cords, and wherein, when the belt is in a relaxed state, the one or more inner cords are tensioned more than the one or more outer cords in the plurality of cords.