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Predestinated for flat seams – even in difficult-to-feed fabrics

The top puller feed machines 273 and 274 are predestinated for flat seams – even in difficult-to-feed fabrics. Even at maximum speed the top puller feed is characterized by its synchronous working method. Supplementary to the bottom feed the material is systematically tensioned during the sewing process due to the additional intermittently operating puller, thus producing a pucker-free seam. Due to the thread nipper the needle thread is pulled to the reverse side of the fabric at the seam beginning. This guarantees an always neat seam beginning. The machines can very easily be converted to bottom- / needle feed machines by lifting the puller out of the working area by hand.

With the triple feed (bottom, needle, top puller feed) the 274 is predestined for displacement-free seams even in pile fabric like e.g. velvet.

Your benefits at a glance

273-140342-01

Flat seams in difficult-to-feed material due to bottom feed and intermittent top puller feed (273)

Single-needle lockstitch machine with bottom feed and top puller feed for critical-to-feed materials. A height adjustment of the coth presser foot at the face cover is optionally available. Typical applications: Long, straight seams such as topstitching the front edge of the shirt or sewing straight hems of shirts.

274-140342-01

Flat, displacement-free seams due to triple feed – bottom-, needle and top puller feed (274)

Single-needle lockstitch machine with bottom feed, needle- and top puller feed for critical-to-feed materials and displacement-free seams. The 274 is equipped with the height adjustment of the coth presser foot at the face cover as standard. Typical applications: Long, straight seams and processing of high-pile fabrics such as velvet, cordery or plush.

Top puller feed with constant speed

Top puller feed with constant speed, working extremely close behind the sewing food

The puller is placed directly behind the presser foot and thus very close to the needle (28.5 mm). Therefore it effects the seam directly. Controlled by the sewing drive the puller runs synchronized to the feed dog (adjustable by setting wheel), independent of the stitch length. To avoid fabric jam at the seam beginning, the lowering time of the puller can be programmed.

Reproducible adjustment of the top puller feed via handwheel, independent of stitch length

Stitch length of the puller: Controlled by the sewing drive, the puller runs synchronously to the feed dog. To change the stitch length of the puller, the puller stitch length can be easily set independently of the stitch length for the seam using an adjusting wheel. To avoid a material jam at the seam beginning, the puller lowering time can be programmed. The puller is located directly behind the sewing foot and thus very close to the needle (28.5 mm). It thus has an immediate effect on the seam.

Top puller feed can be lifted upwards

Top puller feed can be lifted upwards, thus the clearance is equal to that of the 272

For long and straight seams, the puller supports the fabric transport. It can be lifted by a lever. Then the clearance accords to that of a 272 – needle feed machine. Thus, both straight seams and e.g. curves, can be processed perfectly and quickly.

Height adjustment of the presser foot

Height-adjustment of the pressure foot

Provides a floating sewing foot (standard for 274, optional equipment for 273 above high pile material).

In order to avoid displacement of the layers in high pile fabrics, the height of the presser foot can be increased with a setting wheel on the face cover. Thus, the foot has an reduced effect on the fabric and ensures an optimal transport without displacement of the fabric layers.

Thread clamp

Neat seam beginning due to thread nipper (Thread clamp)

The thread clamp enables a clean seam begin and end. It pulls the thread extensions to the back side of the material. Thus the right fabric side is clean without any thread ends, no thread need to cut on the right fabric side.

Multi-function pushbutton bar for quick access

Ergonomically placed multi-function button for

• puller up/down

• seam backtacking

• needle up/down in the seam

• single stitch and backtack inversion

High-quality DÜRKOPP ADLER control technology

DÜRKOPP ADLER control technology

The machines are equipped with "DAC classic" control system.

„Plug and Play“ - all machine parameters can be stored in the machine ID and are retained when the control system is changed.

DAC classic control with control panel OP1000

• Electric strength (up to 400 V AC)

• Extended operating range (190 V AC to 250 V AC)

• Updatability via various storage media

• Special energy efficiency by optimum software parameters by means of machine ID technology

• Freely programmable functions and inputs

• Seam programming

• Automatic sewing foot lift, thread trimming and backtacking as standard

• Energy-saving, integrated sewing drive

• Central oil-wick lubrication

Examples of use

Sewing straight shirt hem

Processing of high-pile fabrics (velvet or plush)

Long straight seams

Topstitching shirt front edge

Stitch waistband

● Standard ○ Optional