Brother EF4-V41 - [I] Upper Feed Mechanism

1!1 Upper feed mechanism (1)
[Horizontal feed mechanism]
(1) When the crank shaft 0 rotates in the direction of the arrow, the feed rod @) moves back and forth on
the eccentric wheel @.
(2) The motion is transmitted to the level feed adjust arm block assembly (9 via the feed arm e and the
feed shaft 0. The horizontal feed amount is transmitted to the feed arm @ via the feed rock I ink fj,
and the feed arm@ oscillates.
(3) The level feed crank shaft @) transmits the motion to the upper feed bar G!>, and the upper feed bar G!>
is moved horizontally.
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From the library of: Superior Sewing Machine & Supply LLC