Brother International BAS-311E Network Users Manual - English - Page 14
Presser foot mechanism (1
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Chapter 1. Mechanical description 4. Presser foot mechanism (1) r t e q w y u 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. 6 BAS-311E.311EL.326E.326EL
6
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