Device for driving dobby ring levers

Details Device for driving dobby ring levers Device for driving dobby ring levers

1992-02-20

1992-12-29

Falik, Andrew M.

Textiles: weaving

Warp manipulation

Shedding

139455, D03C 100

Patent

active

051743426

ABSTRACT:
A device for driving the ring levers that control the keys of a high-speed rotary dobby. In the device, a metal rocker armature is hinged to each lever along the axis of symmetry of the device. The axis passes through the fulcrum about which the levers rock. The levers have at their lower ends teeth that cooperate with corresponding grooves in two digging tracks that move with a reciprocating motion and in mutual opposition perpendicular to the axis of symmetry. The upper rocker armature surface, moreover, cooperates with one of two overlying electromagnets that are arranged symmetrically about the axis of symmetry.

REFERENCES:
patent: 4452281 (1984-06-01), Speich
patent: 4625767 (1986-12-01), Schwarz
patent: 4763697 (1988-08-01), Serturini
patent: 4905738 (1990-03-01), Kleiner

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