JPS5829069U - Inner hook holder for full rotation hook of sewing machine - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of the fully rotary hook of this invention. Figure 2 is a front view of a conventional full-rotary hook showing the state of the thread being bitten immediately after the needle thread loop has separated from the spring, and Figure 3 is a front view of the conventional full-rotary hook showing the thread biting state immediately after the upper thread loop has separated from the spring. Front view with the inner pot holder tightened,
FIG. 4 is a front view of the conventional inner pot holder when it is fastened. 1: Outer hook, 3: Peripheral wall, 4: Track groove, 6: Sword tip, 7: Notch step, 8: Small circumferential wall, 9: Spring for thread, 13: Inner hook, 20: Track band, 21: Inner hook holder , 22: Outer periphery, 23: Adhesive surface, 2
4: Tongue-like protrusion.

Claims (1)

[Scope of utility model registration request] In order to hold the inner pot which is rotatably fitted into the rotating outer hook track groove, the inner hook holder of the full-rotation hook covers the inner hook track band and is tightened with screws on the outer periphery of the outer hook. A sewing machine characterized in that an adhesive surface in contact with an outer hook notch step is provided on the outer periphery of the outer hook which is bonded to the circumferential wall of the outer hook in the longitudinal direction, and a tongue-shaped protrusion is provided on a flat surface that covers the inner hook raceway. Inner pot holder for the inner pot of a full-rotation pot.