| http://www.w3.org/ns/prov#value | - One of the outstanding features of.my invention is the provision of means whereby, also without discontinuing the rotation of the spindle 11, the mere gripping of a second control collar or housing, such as the collar or housing 24, whose lower or outer end extends over and may rotate relatively to the intermediate plate 18, may be effective in opening the jaws of my chuck; and, for the purpose ju
|
