LOOM CLOTH REGULATOR Russian patent published in 1995 - IPC

FIELD: textile industry. SUBSTANCE: loom cloth regulator has worm wheel kinematically connected with doffer and worm and means for changing cloth density of the weft. Means for changing the cloth density of the weft is made in form of sections of faces of worm turns contacting the wheel. In so doing, located behind the section of turn with standard helix angle ϕ_ПВ1 is section of turn with helix angle of ϕ_ПВ2-0°, and further on is located the section of turn with helix angle ϕ_ПВ1-ϕ_ПВ3< 70^q found within interval of ϕ_ПВ3. Respective sections of worm turn are in contact with worn wheel simultaneously. EFFECT: higher efficiency. 1 dwg