Apparatus for adjusting timing of needle and looptaker of...

Details Apparatus for adjusting timing of needle and looptaker of... Apparatus for adjusting timing of needle and looptaker of...

2008-03-04

2009-10-06

Izaguirre, Ismael (Department: 3765)

Sewing

Elements

Driving mechanisms

C112S190000

Reexamination Certificate

active

07597058

ABSTRACT:
An apparatus for adjusting a timing of a needle and a looptaker of a sewing machine provided at a zigzag sewing machine having an upper shaft for driving a needle bar, a lower shaft for driving a looptaker, a machine frame, and a timing belt for connecting and synchronizing the shafts includes a cam member including a first cam surface and a second cam surface, a first arm member and a second arm member supported by the machine frame and a first pulley and a second pulley mounted to the first arm member and the second arm member respectively and always contacting the timing belt, the first pulley following the first cam surface and the second pulley following the second cam surface.

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Extended European Search Report issued in corresponding EP Patent Application No. 08005135.2, Jul. 25, 2008, EPO, Munich, DE.

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