Apparatus for pressing-in belt connectors

An apparatus for securing belt connectors with staples to an end of a belt, comprising support means, belt end holding means mounted to said support means for holding a belt end in place during the securing of the belt connectors to the belt end, upper tool means (8) for providing a counter force, first lever means (1) journalled to a first fixed point (A) in said support means and connected to said upper tool means for operating said upper tool means, lower tool means arranged for cooperation with said upper tool means, second lever means (2) journalled to a second fixed point (B) in said support means and connected to said lower tool means (24), drive means (6,4) including a drive lever (4) journalled to a third fixed point (C) in said support means for driving said upper and lower tool means, first driven toggle lever means (K1) including a first movable toggle joint (F) and operatively interconnecting said first and second lever means (1, 2), a control lever (5) journalled to a fourth fixed point (D) in said support means, second driving toggle lever means (K2) including a second toggle joint (L) movable with said drive lever (4) and pivotally connected (at K) to said control lever (5), said control lever (5) also being pivotally connected to said first movable toggle joint (F) for operating said upper tool means in advance of operating said lower tool means to provide a non-symmetrical closing movement of said upper tool means relative to said lower tool means and for locking said driven toggle lever means (K1) into a fixed position when said drive lever (4) has reached a certain position to permit further operation of said drive lever (4) without driving said first and second lever means.