作者: Charles L. Deschenes , Paul A. Davignon , William Hartman , Hugh Smith , Douglas A. Cooke
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摘要: A button attaching device for a to layer of material includes C-frame having top portion, an intermediate portion and bottom portion. plurality needle block assemblies are disposed inside the in stack. manually operable plunger is slidably mounted on up down movement positioned receive move downward lowermost assembly Each elastomeric material, pair rodless fastener dispensing needles type foot at each end filament. removably one needles. In use, which be attached anvil formed C-frame. The pushed by so that extend through holes material. then retracted leaving secured fastener.