JPH0570477U - Ruler bar holding device for synchronized feed presser - Google Patents

Abstract

(57) [Summary] (Corrected) "Purpose" A groove portion is provided in the cover body of the mechanism portion of the tuned feeding presser provided with the feed pressing member that cooperates with the feed dog of the sewing machine, and the quilt ruler bar is provided in the groove portion. Provide a holding part. [Structure] A cover is provided on the synchronized feed retainer including a main body, a cloth retainer, a feed retainer, and an operating lever for interlocking the feed retainer with the operation of the sewing machine. A structure in which a V-shaped groove portion is provided, a holding portion composed of a concave portion and a convex portion is provided in the groove portion, and the holding shaft holds the mounting shaft of the ruler bar.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention cooperates with a presser foot that is detachably attached to a presser bar of a sewing machine and presses a cloth to be sewn by spring pressure, and a feed dog that is disposed below the presser bar and that causes a feed motion. The present invention relates to a ruler bar holding structure in a synchronized feed presser that includes a feed presser body that holds the clamp.

[0002]

[Prior Art]

 A conventional ruler rod holding structure in a sewing machine is provided with a thickened support portion at the rear portion of a presser rod attachment portion of a general-purpose presser foot as shown in Japanese Utility Model Laid-Open No. Sho 48-112552, and a hole for punching is provided in the support portion. There are some that can be fitted with a ruler bar and fixed at appropriate positions with screws. However, there is a configuration of the same-position feed presser as shown in JP-A-53-36344, but the attachment of the ruler bar has not been considered.

[0003]

[Problems to be solved by the device]

 The present invention is to install a ruler bar that can feed multiple cloth layers sandwiching quilt cotton in the middle between the top and bottom without causing misalignment, and can properly adjust the intervals of a plurality of parallel sewing lines. The purpose is to enable.

[0004]

[Means for Solving the Problems]

 The present invention includes a body attached to a presser bar of a sewing machine, a presser foot rotatably pivotally attached to the main body to press a cloth, and a main body rotatably supported by a spring member to move the needle bar up and down. In a synchronized feed presser comprising a feed presser body that is interlocked and cooperates with a feed dog, a cover body is provided on the main body via a support pin, and two side walls facing each other in parallel to the cloth feed direction of the cover body are provided. The same U-shaped groove is provided at an appropriate position, the upper end of one side of the U-shaped groove is opened, and a recess is formed in one side of the U-shaped groove at an appropriate position to project to the other side facing the recess. By forming the portion and providing the holding portion, the quilt ruler rod inserted through the opening can be held by the holding portion.

[0005]

[Action]

 According to the present invention, a main body in which an attachment portion to a lower end of a presser bar and a support arm are formed, a cloth pressing portion rotatably supported by the support arm of the main body, and a body supported by a spring in the main body and fed to a tip end. In a synchronized feed presser comprising a feed presser body provided with a feed presser portion that cooperates with teeth, and an operating lever that is rotatably supported by the main body and operates on the feed presser body in conjunction with the operation of the sewing machine. The same substantially U-shaped groove portion is provided at an appropriate position on both side walls facing the cover body attached to the main body, one end of the U-shaped groove portion is opened, and a bend in the U-shaped groove portion near the one end is formed. Is provided with a holding portion composed of a concave portion on one side and a convex portion on the other side facing the concave portion, and the mounting shaft of the ruler bar is held by the holding portion. The cloths can be fed without causing misalignment, and the ruler bar can be used in the groove of the cover. Is characterized in that a and raphe interval can parallel to the cloth feeding the raphe by guiding at to sewing line held is freely adjusted.

[0006]

【Example】

 The structure of the embodiment of the present invention will be described below. The main body 1 is made of sheet metal and is formed in an inverted U shape. A holding bar mounting portion 3 integrally formed from one of the both side walls 2 and 2 is extended, and the side wall is located below the mounting portion. Two support arms 4, 4 extending from 2, 2 are integrally provided.

A cloth pressing portion 5 is rotatably supported at the tip of the support arm, and a needle drop hole 6 and a feed pressing portion described later are penetrated downward in the cloth pressing portion to engage with a feed dog. The feed pressing body 8 having the window portions 7 and 7 formed therein is formed in a substantially L-shape as a whole, and an upper portion is provided with an inverted U-shaped guide portion 9 having side walls on both sides and sideways. A guide pin 10 is protrusively provided on the lower part of the guide pin, and a feed pressing part 11 facing the upper surface of the feed dog is provided below the guide pin 10.

The feed pressing body 8 has one end of a tension spring 12 locked in place, and is pulled upward in both side walls 2 and 2 of the main body 1. Pressing teeth 10 that mesh with the feeding teeth are provided on the lower surface of the feeding pressing portion 11. The operating lever 14 is rotatably supported on both side walls 2 and 2 of the main body 1 by a shaft portion 15 fixed to one end, and the other end is locked to a part of a needle bar (not shown) so that the sewing machine When driving, it is rocked in conjunction with the vertical movement of the needle bar.

The transmission lever 16 is rotatably supported by the side wall 2 of the main body 1 and has one end abutted against the upper surface of the feed pressing portion 11 and the other end provided at a proper position of the actuating lever 14. It is engaged with 17.

The synchronized feed presser of the present invention is composed of the main body 1, the cloth presser portion 5, the feed presser body 8, the operation lever 14 and the transmission lever 16 as described above. The main body 1 is covered with a cover body 20, and the cover body is supported by pins 21, 21, 21 projecting from both side walls 2, 2 of the main body 1.

The cover body 20 is provided with both side wall portions 22, 22 parallel to the cloth feeding direction (arrow A), and the same U-shaped grooves 23, 23 are provided at opposite positions of the both side wall portions. It is provided.

One end 24 of the U-shaped groove is opened outwardly, a recess 25 is formed on one side of the groove 23, 23 near the one end at an appropriate position, and a projection 26 is formed at a portion facing the recess. A holding portion 30 that is formed and is composed of the convex portion and the concave portion is provided.

The groove width B of the concave portion and the convex portion is narrower than the groove width C from the opening portion to the holding portion and the shaft diameter D of the mounting shaft of the ruler rod which will be described later and is inserted into the grooves 23, 23. The shaft diameter D for mounting the ruler rod is slightly smaller than the groove width C on the opening side of the U-shaped grooves 23, 23 to facilitate mounting of the ruler rod on the holding portion.

The ruler rod 27 is L-shaped, and the shaft portion 28 to be mounted in the grooves 23, 23 of the cover body 20 has a circular cross section and is slidable in the axial direction. A ruler portion 29 that is perpendicular to the portion 28 extends forward to a line that passes through the needle drop hole 6 and is orthogonal to the cloth feeding direction, and the end portion is curved upward.

Since the present invention is configured as described above, the mounting shaft portion 28 of the ruler bar 27 is mounted in the holding portions in the grooves 23, 23 of the cover body 20, and when it reaches the recess 25, the groove width becomes the shaft portion. Since the diameter is smaller than the diameter of 28, the U-shaped grooves 23, 23 are curved inward from the two-dot chain line in FIG. 6 as shown by the solid line to firmly pinch the shaft portion 28 between the concave portion 25 and the convex portion 26. To do.

When the distance of the ruler portion 29 from the needle drop portion 6 is adjusted, the mounting shaft 28 is slid in the axial direction while being displaced toward the opening side having a slightly larger groove width, which facilitates the adjustment.

[0017]

【effect】

 The present invention is capable of reliably feeding a plurality of cloths by pressing the feed pressing body to the feed teeth without causing slippage of the cloth, and providing a U-shaped groove portion for mounting the ruler bar on the cover body covering the mechanical portion, By providing a ruler bar holding part consisting of a concave part and a convex part in the groove, the ruler bar can be held securely and a plurality of parallel sewing lines with adjustable intervals can be provided. It is very effective in practice.

[Brief description of drawings]

1 is a right perspective view of the present invention, FIG. 2 is a left perspective view of the present invention, FIG. 3 is a perspective view of the present invention without a cover, and FIG. 4 is a book. 5 is a side view of the cover of the present invention, FIG. 6 is a side view showing a state in which the ruler is attached to the cover of the present invention, and FIG. 7 is an exploded view of the synchronized feed presser of the present invention. It is a perspective view. DESCRIPTION OF SYMBOLS 1 ... Main body 3 ... Attachment part 4 ... Support arm 5 ... Cloth presser part 9 ... Feed presser body 11 ... Feed presser part 12 ... Spring 14 ... Operation lever 20 ... Cover body 22 ... Side wall 23 ... U-shaped groove part 24 ... Open end 27 ... Ruler bar 28 ... Mounting shaft 30 ... Holding part

Claims (1)

[Scope of utility model registration request] A main body 1 in which an attaching portion 3 to the lower end of the presser bar and supporting arms 4 and 4 are formed, a cloth pressing portion 5 supported by the supporting arm of the main body, and a spring 12 supported by the main body 1 at the tip. A feed pressing body 9 provided with a feed pressing portion 11 that cooperates with the feed teeth, and an operating lever 14 that is rotatably supported by the main body 1 and operates on the feed pressing body in conjunction with the operation of the sewing machine are provided. In the synchronized feed presser, U-shaped groove portions 23, 23 are provided on both side walls 22, 22 of the cover body 20 mounted on the main body 1,
One end 24 of the U-shaped groove portion is opened, and a holding portion 30 having a concave portion on one side and a convex portion on the other side opposite to the concave portion is provided in a curved portion in the groove near the one end, and the holding portion is provided with the holding portion 30. A ruler bar holding device in a synchronized feed presser characterized in that a mounting shaft 28 of the ruler bar 27 is held.