Truck tailgate with check strap

Adjustable header for sliding doors and windows

Method of opening a mine door leaf

Linear actuator particularly for sliding doors and for sliding door or window closure elements in general

MECHANISM FOR INSTALLING A DOOR OR OTHER SIMILAR CLOSURE DEVICE WITH ROTARY AND TRANSLATIONAL MOTION

Articulated mine door opening mechanism

Door or window closer

Actuating mechanism for moving an upwardly movable flap of a piece of furniture