Auxiliary sewing machine feed mechanism for large articles - has perforated moving belt on which articles are held by suction

Sewing machine has a feed mechanism in addition to the usual intermittent feed-dogs, for carrying articles of large surface-area through the sewing zone, comprising an endless belt having an array of apertures through which air can pass, which travels over a stationary suction-box having in its uppe...

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Bibliographic Details
Main Authors DIEKMANN,HERBERT, COLLBRUNN,HARALD, PANHORST,RAINER
Format Patent
LanguageEnglish
German
Published 24.09.1981
Subjects
CONVEYING
EMBROIDERING
HANDLING THIN OR FILAMENTARY MATERIAL
PACKING
PERFORMING OPERATIONS
PNEUMATIC TUBE CONVEYORS
SEWING
SHOP CONVEYOR SYSTEMS
STORING
TEXTILES
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
TUFTING
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Summary:Sewing machine has a feed mechanism in addition to the usual intermittent feed-dogs, for carrying articles of large surface-area through the sewing zone, comprising an endless belt having an array of apertures through which air can pass, which travels over a stationary suction-box having in its upper surface a series of air-inlet slots. The belt is driven by an independent electric motor whose speed may be adjusted either to synchronize with the intermittent feed-dogs or to maintain a fixed speed differential with the dogs. Suction device enables the articles being sewn to be held against the feed-belt without abscuring them from sight. No extra manipulations are required to engage the workpiece with the feed mechanism, and it can be easily released at a pre-determined position.
Bibliography:Application Number: DE19803010651