HOOK OF SEWING MACHINE

PURPOSE: To prevent that a rotating hook and a rotating hook bobbin case holder generate backlash by generation of heat, seizure or abrasion even if a lubricant is not supplied in a high speed rotary sewing machine. CONSTITUTION: The guide projection 17 of a rotary hook bobbin case holder 16 is form...

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Bibliographic Details
Main Author TAKAKU KAZUO
Format Patent
LanguageEnglish
Published 15.10.1996
Edition6
Subjects
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Summary:PURPOSE: To prevent that a rotating hook and a rotating hook bobbin case holder generate backlash by generation of heat, seizure or abrasion even if a lubricant is not supplied in a high speed rotary sewing machine. CONSTITUTION: The guide projection 17 of a rotary hook bobbin case holder 16 is formed from a material obtained by mixing a reinforcing material with a heat-resistant resin so as to be decreased in its deterioration speed in a high temp. oxidizing atmosphere.
Bibliography:Application Number: JP19950075635