Warning or safety devices, e.g. automatic fault detectors, stop-motions (safety devices in general F16P; indicating devices in general G08B )

Child Classifications

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• B65H 63/003
• B65H 63/006
• B65H 63/02 responsive to reduction in material tension, failure of supply, or breakage, of material
• B65H 63/04 responsive to excessive tension or irregular operation of apparatus
• B65H 63/06 responsive to presence of irregularities in running material, e.g. for severing the material at irregularities
• B65H 63/08 responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle