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AssigneeMercedes-Benz AG
InventorsMarkus Lampe, Torsten Schmidt, Edgar von Hinueber
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The invention relates to a process and a device for the rotation-angle-monitored tightening or loosening of screw connections by means of power driven tools. The absolute rotation angle swept over in the screwing operation with respect to a fixed point about a swivel axis through the rotation axis of the screw connection is measured. An advantageous, relative-position free, absolute measurement of the rotation angle is effected by the use of an absolute rotation-rate measuring sensor. The rotation-rate sensor can herein be configured as a mechanical, compass-like gyroscope, as a rotation sensor or as an acceleration sensor, by means of which a measured value correlated with the absolute rotation angle can be recorded.
Process for rotatably driving a threaded fastener using a tool of the type having a housing and a rotatable fastener drive part carried by the housing, said process comprising:
Tool apparatus for rotatably driving a threaded fastener including a tool of the type having a housing and a rotatable fastener drive part carried by the housing, said tool apparatus comprising:
Dependencies are inferred from the claim text.