Patent ID: 8573909

Claim:
A tool coupling ( 20 , 120 ) comprising a first component ( 22 ), a second component ( 24 ) and a clamping member ( 26 ) for clamping the first ( 22 ) and second ( 24 ) components together: the first component ( 22 ) having a mounting surface ( 30 ) provided with a longitudinal axis (A 1 ) and at least three female engagement members ( 32 ); and the second component ( 24 ) having a mounted surface ( 34 ) with at least three male engaging members ( 36 ) interfacing with the at least three female engagement members ( 32 ), wherein each of the at least three female engagement members ( 32 ) has a first plane (P 1 ) and at least two sets of side surfaces ( 46 , 48 ), the at least two sets of side surfaces ( 46 , 48 ) located on at least a shared portion ( 58 ) of their respective female engagement member ( 32 ), and the shared portion ( 58 ) exhibiting mirror symmetry about its respective first plane (P 1 ), wherein each of the at least two sets of side surfaces ( 46 , 48 ) has two opposing flank surfaces ( 50 , 52 ; 54 , 56 ) separated by their respective first plane (P 1 ), and wherein only one of the two flank surfaces ( 50 , 52 ; 54 , 56 ) of each of the at least two sets of side surfaces ( 46 , 48 ) is in clamping contact with a corresponding abutment surface ( 64 , 66 ) on each of the at least three male engaging members ( 36 ).