JPS6141674U

JPS6141674U - Full-rotation hook of sewing machine

Info

Publication number: JPS6141674U
Application number: JP12816384U
Authority: JP
Inventors: 義雄三国
Original assignee: ジャガー株式会社
Priority date: 1984-08-23
Filing date: 1984-08-23
Publication date: 1986-03-17
Also published as: JPH0211004Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は第２図のＡ−Ａ線断面図、第２図は内釜の平面
図、第３−図はボビンケースを装着した内釜の平面図、
第４図は別の実施例の一部を切欠いた平面図、第５図は
更に別の実施例の部分断面図、第６図は他の実施例の断
面図を示す。１・・・内釜、２・・・透孔、３・・・鍔付ピン、４・
・・圧縮バネ、５・・・止めネジ、６・・・凹所、７・
・・ボビンケース、８・・・突起、１１・・・ベルクラ
ンク状レバー、１２・・・圧縮バネ、１３・・・凸部、
１４・・・止めネジ、１６・・・岐溝、１７・・・バネ
、１８・・・止めネジ、１９・・・凸部、２１・・・舌
片。Figure 1 is a sectional view taken along the line A-A in Figure 2, Figure 2 is a plan view of the inner hook, Figure 3 is a plan view of the inner hook with the bobbin case attached,
FIG. 4 is a partially cutaway plan view of another embodiment, FIG. 5 is a partial sectional view of yet another embodiment, and FIG. 6 is a sectional view of another embodiment. 1... Inner pot, 2... Through hole, 3... Flange pin, 4...
... Compression spring, 5... Set screw, 6... Recess, 7.
...Bobbin case, 8...Protrusion, 11...Bell crank-shaped lever, 12...Compression spring, 13...Protrusion,
14... Set screw, 16... Fork groove, 17... Spring, 18... Set screw, 19... Convex portion, 21... Tongue piece.

Claims

[Scope of Claim for Utility Model Registration] (1) An outer hook that is driven to rotate, an inner hook that is attached to the outer hook and whose rotation is stopped by a stopper, and a bobbin cage support that is detachably attached to the inner hook. In a full-rotation hook of a sewing machine, a resilient locking means is provided on a side wall portion of the inner hook and protrudes radially inward from the inner peripheral surface of a recess formed in the inner hook into which a bobbin case fits. Fully rotating pot. (2) The full-rotation hook according to claim 1, wherein the locking means is a pin mounted on the side wall of the inner hook so as to be slidable in the radial direction and biased inward in the radial direction by a spring. {3} The locking means is a bell crank-shaped lever that is rotatably attached to the side of the inner pot, is biased in one rotation direction by a spring, and has one end protruding from the inner peripheral surface. Full rotary pot described in item 1. (4) The fully rotary hook according to claim 2 or 3, wherein the spring is a compression spring interposed between the spring and the set screw. (5) The full-rotation hook according to claim 1, wherein the locking means is a wire or the other end of a plate spring whose one side is attached to the side wall portion of the inner hook. (6) The full-rotary hook according to claim 1, wherein the bobbin case is formed with a recess into which the engaging portion is removably engaged. (7) The fully rotary hook according to claim 1, wherein the locking means is an elastic tongue integral with the inner wall of the inner hook.