JPH0338080U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a perspective view showing an embodiment of this invention, Fig. 2 is a plan view of what is shown in Fig. 1, Fig. 3 is a side view of what is shown in Fig. 1, and Fig. 4 is a view of what is shown in Fig. 3. Partially enlarged side view showing the operation of the device shown in Figure 5a
, b are perspective views showing a conventional gear sewing process. 5... Cloth presser member, 5b2... Locking step groove, 6
... Throat plate, 6a... Needle drop hole, 7... Lifting rod (
lifting member), 9... swinging rod (swinging member), 11...
...Folding member, 12... Separation plate, N... Needle, W
1...Lower cloth, W2...Upper cloth, W3...Wrapped cloth.

Claims (1)

[Scope of claim for utility model registration] Stitch forming means for forming a regular stitch by raising and lowering a needle on the cloth placed on the throat plate, and the needle drop position of the cloth placed on the throat plate A cloth presser member that presses the periphery and prevents the cloth joined to the lower surface from moving in the opposite direction to the cloth conveyance direction by means of cloth locking step grooves formed on the rear lower surface; A lower feed dog feeds the cloth placed on the throat plate in the cloth conveyance direction, and a lower feed dog feeds the cloth placed on the throat plate in the cloth conveyance direction. A wrapping cloth guide guided onto the hole; a swinging member that reciprocates back and forth along the cloth conveying direction in synchronization with the lifting and lowering movement of the needle; and a swinging member that moves up and down in synchronization with the reciprocating movement of the swinging member. an elevating member; and a fold, which is connected to the swinging member and the elevating member, and whose tip portion on a leaf spring divided into two parts moves in four directions in the vicinity of the front portion of the presser foot member in conjunction with the movement of both members. a separating member; and a separation plate interposed between the tip of the shirring member and the throat plate, the separating plate being provided between the upper surface and the lower surface of the wrapped cloth led out onto the throat plate. Both end edges of the upper cloth placed on the plate and the lower cloth placed on the throat plate are overlapped vertically and inserted, and while these three cloths are conveyed by the lower feed dog, the pleats are The tip of the picking member is lowered onto the upper fabric when it moves forward in its four movements, and the upper fabric is conveyed by a larger feed amount than the feed amount by the feed dog by moving the tip forward. A gear stitch sewing machine characterized by feeding in the direction.