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.)
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
B23G1/00—Thread cutting; Automatic machines specially designed therefor
B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
B23G1/465—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools comprising arrangements for reversing the rotation of the tool
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Gewindeschneideinrichtung fuer Ein- und Mehrspindelautomaten mit im gleichen Drehsinn, aber verschiedener Geschwindigkeit umlaufender Werkzeug- und Werkstueckwelle
Waagerecht-Bohr- und Fraeswerk mit am Maschinenstaender lotrecht verschiebbarem Spindelstock, mit in diesem unverschiebbarer oder axial verschiebbarer Bohrspindel und andieser anschliessbarer Bohrstange