Importance

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Abstract

A quick coupling assembly for fastening a working device to a working machine, wherein the working device comprises at least one pair of counter sleeves placed in the same axle line and at an adjusted distance from each other for pushing to the working machine coupled movable coupling pins (1a, 1b) into said sleeves wherein said coupling pins (1a, 1b) are placed in the working machine into a tube-like body (4), in which body said pins can be pushed in opposite directions at least partly out from said body (4) and pulled respectively back inside the body (4). In the inner surface of the tube-like body (4) of the assembly there are two separate counter sleeves (2a, 3a); (2b, 3b) in the points of both coupling pins (1a, 1b) which have cylindrical and smooth outer surfaces mounted, the positions of said sleeves are in the body (4) so arranged that in the coupling location where the pins (1a, 1b) are pushed out the inner surfaces of said sleeves are essentially of their contact length available in the contact with the outer surfaces of said pins.

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First Claim