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BAS-311E.311EL.326E.326EL
Chapter 1. Mechanical description
4. Presser foot mechanism (1)
1. When the upper shaft q rotates, the stepping work clamp cam w moves eccentrically, and the stepping work clamp
connecting rod e oscillates stepping work clamp arm R r.
2. The oscillation of stepping work clamp arm R r is transmitted to stepping work clamp arm F t, and the stepping link
assy y moves the presser bar lifter u up and down.
w
u
e
y
t
r
q