4. Winding the Bobbin
The new high-speed seamer is fitted with a bobbin winder which is incor
porated in the face cover rother than mounted at the balance-wheel end, as
customary. Arranged at a convenient height, it is easy to operate end enables
the operator to wind bobbins
quickly
and neatly.
The bobbin winder driving
motion
emanates from the take-up crank. When the
bobbin winder is engaged, driving crank F at the rear end of spindle 17 is
pushed into the circular path of stud K which engages the crank and in this
way drives the bobbin winder (Fig. 3).
The bobbin winder spindle is carried in a self-lubricating sinter-metal bearing
which requires no additional lubrication. To
engage
the bobbin winder, simply
depress stop latch a located above the bobbin winder spindle (Fig. 5). This
action causes the spindle to move slightly to the right in which position it is
Fig. 4
R
8928
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