MECHANICAL LATCH UNIT FOR A MAIN DRIVE UNIT

摘要

The invention is related to a mechanical latch unit (1 ) for a main drive (120) unit with a permanently coupled four bar latch mechanism within a housing (9), - with a first link (20) with a base end connected with the housing (9) via a first joint (25) and with a top end connected with the first end of a second link (40) via a second joint (35), - with a third joint (45) to connect the second end of the second link (40) with the second end of a third link (50), - whereby the first end of the third link (50) interconnects with a trip unit and a pivot centre of the third link (50) is connected with the housing (9) via a fourth joint (55), - whereby the second joint (35), the third joint (45) and the fourth joint (55) approximately are lying in one line and - whereby the load (F) of the traction link (121 ) of the main drive unit (120) is applied to the top end of the first link (20) next to the second joint (35) with defined deviation (d1 ) rectangular to this line in direction to the first joint (25).