| 摘要 |
t is described herein a mechanism for of 25 to 35 cm large pivoting casements whereto prior-art mechanisms cannot be applied. This application is characterized by abolishment of the connection cable of the corner member usually connected to the scissor arm of the known mechanisms and the configuration of said mechanism with three elements of the corner member 1 wherethrough pass the blades 8 transmitting the movement of the handle 27 to the mechanism, the end arm 2 connected to the upper suspension hinge of the window and presented in multiple length to enlarge the possibilities of adjustment via the groove 19 wherein the protuberance-guide 18 slides, and with the connecting arm 3 of the elements 1 and 2, which connecting arm is said to accommodate -in combination with the adequate hand lever 7- the alternate alignment of the above mentioned elements for the operation of the pivoting window (opening-closure thereof), or for the creation of an angle between same elements correspondingto the pivoting angle of the window. |
