Title:
エアジェット織機の緯糸検知装置
Document Type and Number:
Japanese Patent JP6776980
Kind Code:
B2
Abstract:
There is provided a weft yarn sensing device of an air jet loom (11) in which a weft yarn (Y) is inserted into a weft insertion passage (16) formed by recessed portions (15a) of reed wires (15) arranged in a weft insertion direction. The weft yarn sensing device includes a weft yarn sensor (30) including a light-emitting portion (34) that emits light into the weft insertion passage (16) and a light-receiving portion (35) located that faces toward the weft insertion passage (16). The device further includes at least one contrast adjuster (40) disposed between any two of the reed wires (15) that are adjacent to each other in the weft insertion direction. The contrast adjuster (40) has a width (D) in the weft insertion direction that is equal to or greater than a distance (K) between the two reed wires (15) adjacent to each other in the weft insertion direction.
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Inventors:
Takahiro Inamura
Takagi Shinji
Takagi Shinji
Application Number:
JP2017065586A
Publication Date:
October 28, 2020
Filing Date:
March 29, 2017
Export Citation:
Assignee:
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
International Classes:
D03D47/30; D03D51/34
Domestic Patent References:
| JP6111262Y2 | ||||
| JP616485U | ||||
| JP6264340A | ||||
| JP62101888U | ||||
| JP2259143A | ||||
| JP411050A | ||||
| JP62129085U | ||||
| JP2221442A |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda