JPS6165000U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の刃挿入具３０を備えた刃交換
装置２０の側断面図、第２図は同正面図、第３図
、第４図は刃挿入具３０とミシン胴１の要部の断
面図で、第３図は刃挿入具３０をミシン胴１から
離した状態を、第４図は刃挿入具３０をミシン胴
１に接近させた状態を示す。第５図は刃挿入具３
０の正面断面図、第６図は従来のミシン胴におい
てミシン刃３を溝２に固定する構造を示す断面図
である。 １……ミシン胴、２……溝、３……ミシン刃、
１２……刃押えブロツク、１３……楔ブロツク、
１４……ボルト、２０……刃交換装置、２２……
架台、２６……支持部材、３０……刃挿入具、３
２……ケース、３２Ａ……第一基準面、３２Ｂ…
…第二基準面、３５……磁石、３６……刃吸引部
材、３７……バネ。 FIG. 1 is a side sectional view of a blade changing device 20 equipped with a blade inserter 30 of the present invention, FIG. 2 is a front view of the same, and FIGS. 3 and 4 are main parts of the blade inserter 30 and the sewing machine barrel 1. 3 shows a state in which the blade inserting tool 30 is separated from the sewing machine barrel 1, and FIG. 4 shows a state in which the blade inserting tool 30 approaches the sewing machine barrel 1. Figure 5 shows blade insertion tool 3
FIG. 6 is a cross-sectional view showing a structure for fixing the sewing machine blade 3 to the groove 2 in a conventional sewing machine barrel. 1... Sewing machine body, 2... Groove, 3... Sewing machine blade,
12... Blade holding block, 13... Wedge block,
14... Bolt, 20... Blade changing device, 22...
Frame, 26... Support member, 30... Blade insertion tool, 3
2...Case, 32A...First reference surface, 32B...
...Second reference surface, 35...Magnet, 36...Blade attraction member, 37...Spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 細長い溝内に薄板帯状の刃を所定深さに挿入す
る刃挿入具であつて、下端に開口を有し且つその
両側に刃先位置を規制する第一基準面と溝外側の
外面に接触する第二基準面とを有するケースと、
該ケースの開口を通つて外部に突出し且つ開口内
に後退可能な刃吸引部材と、該刃吸引部材をその
先端が前記開口から突出する方向に押す手段とを
具備し、前記刃吸引部材が前記第一基準面側に刃
を吸引保持する面を有していることを特徴とする
溝への刃挿入具。 It is a blade insertion tool for inserting a thin band-shaped blade into a long and narrow groove to a predetermined depth, and has an opening at the lower end and has a first reference surface on both sides of which regulates the position of the blade edge, and a second reference surface that contacts the outer surface on the outside of the groove. a case having two reference planes;
a blade suction member that protrudes outward through the opening of the case and is retractable into the opening; and means for pushing the blade suction member in a direction in which a tip of the blade suction member protrudes from the opening; A tool for inserting a blade into a groove, the tool having a surface for suctioning and holding the blade on the first reference surface side.