Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1980-02-07
1981-09-01
Vlachos, Leonidas
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
82 36A, B23B 2926
Patent
active
042864852
ABSTRACT:
A tool post has a central bore formed with a normal screw thread. A hub is turnably received in the bore and has a thread cooperating with the thread of the post; it also has one or more steeply pitched helical tracks. One or more undercut grooves are formed in the post, each having a portion open to the bore. Longitudinally diverging wedges are slidably received in these grooves, each having a follower portion projecting into a respective helical track, so that turning of the hub causes the wedges to be shifted axially of the tool post. A sleeve extends from one end through the tool post bore. A slide block has a threaded stud which extends from the other end into the bore of the post and with a tapped blind bore of the sleeve.
REFERENCES:
patent: 2972272 (1961-02-01), Sirola
Dezvane Joseph
Lenac Vojko
Striker Michael J.
Vlachos Leonidas
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