Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
G—PHYSICS
G11—INFORMATION STORAGE
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
G11B19/20—Driving; Starting; Stopping; Control thereof
G11B19/28—Speed controlling, regulating, or indicating
Gewindebohrer mit Schneidbacken, die unter Federwirkung stehen und durch einen zentrisch im Bohrerschaft laengsverschiebbar gefuehrten Bolzen verstellt werden, der zur Verschiebung und Feststellung der Schneidbacken mehrere runde Bunde mit anschliessenden Schraegflaechen besitzt, die vom inneren Ende des Bohrers nach dem aeusseren im Durc hmesser immer kleiner werden