Brother BAS-340 - Intermittent Presser Mechanism

[A] Intermittent presser mechanism
1) The upper shaft 0 rotates. Then, the intermittent presser cam @ attached to the upper shaft 0 moves
eccentrically. Intermittent presser arm (R) 0 oscillates via the intermittent presser connecting rod@.
2) The oscillation of intermittent presser arm (R) 0 is transmitted to the intermittent link assembly ® via
intermittent presser arm (F) 0. Then, the presser bar lifter f1 makes vertical movement.
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From the library of: Superior Sewing Machine & Supply LLC