A mechanism to quickly adjust the height of trailer hitches for vehicles tugs to connect with agricultural tractors.

摘要

PRESENTS A DEVICE TO ADJUST RAPIDLY THE HEIGHTS OF Towbars VEHICLE FOR CONNECTION TO TRACTOR FARMING, the device comprises a SET main support which includes two parallel tracks, VERTICALES (105) for mounting (102) FOR HITCH TOWING (1). TWO ROWS OF HOLES (17A, 17B) ASSOCIATED WITH SELECTIVELY GUIDES stay PARALLEL two pins (11, 12) movable in opposite directions from POSITIONS LOCK TO POSITIONS IN WHICH ARE FREE ASSEMBLY (102). An operating lever (25) with a gripper (26), TO SUPPORT THE WEIGHT OF MOUNT (102) IN POSITION RELEASED, SPINNING AN ELEMENT IN THE FORM OF BUTTERFLY (118) WHOSE FINS (21) are coupled with parallel PASADORES (11, 12).