Title:
SEWING MACHINE THREADING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/106252
Kind Code:
A1
Abstract:
Provided is a sewing machine threading device which is compactly configured and with which it is possible to prevent a thread hooking claw from interfering with a sewing operation. When a vertical movement operation lever 9 is raised, the thread hooking claw 10 is positioned above a sewing needle and does not interfere with a sewing operation. When the vertical movement operation lever 9 is lowered, a sliding member 15 slides along a thread hooking guide shaft 16 and the thread hooking claw 10 is lowered together with a thread hooking support rod 13, a turning means 23 turns the thread hooking claw 10 from behind the sewing needle toward the eye of the sewing needle in conjunction with the lowering of the thread hooking support rod 13, and the thread hooking claw 10 reaches a state of being inserted in the eye of the sewing needle.
Inventors:
ISHIKAWA MASATO (JP)
Application Number:
PCT/JP2020/024004
Publication Date:
June 03, 2021
Filing Date:
June 18, 2020
Export Citation:
Assignee:
SUZUKI MFG (JP)
International Classes:
D05B87/02
Domestic Patent References:
| WO2012073893A1 | 2012-06-07 |
Foreign References:
| JPH03251292A | 1991-11-08 | |||
| JP2001327787A | 2001-11-27 | |||
| JPH05317563A | 1993-12-03 | |||
| JPH05293284A | 1993-11-09 | |||
| JPH1076093A | 1998-03-24 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
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