| 摘要 |
Adjustable handle ( 1 ), of the type comprising an operating lever ( 2 ) ending into a cylindrical or prismatic body ( 3 ) inside which there is slidably mounted a tightening member ( 4 ) carrying a bushing or a stud ( 5 ), the cylindrical or prismatic body ( 3 ) and the tightening member ( 4 ) comprising fellow toothings ( 6 ) kept in reciprocal engagement by a spring ( 7 ), and a check element ( 8 ) onto which is imparted a pressure to overcome the action of the spring ( 7 ) and remove the engagement between said toothings ( 6 ). In said handle ( 1 ), said check element is in the form of a control push button ( 8 ), in one piece with the tightening member ( 4 ), said push button ( 8 ) incorporating a seat ( 9 ) accessible from its operating surface ( 10 ) to insert therein a mounting/removal tool.
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