couplings are especially applicable to wheel driveshafts of motor vehicles application_number US 57391195 A description fig1 shows a first embodiment of an elastic flexible shaft coupling c according to the present invention this shaft coupling c comprises four anchoring plates 1 2 and 3 4 the diametrically opposite anchoring plates 1 and 2 form a first coupling component the diametrically opposite anchoring plates 3 and 4 form a second coupling component all anchoring plates 1 2 and 3 4 are wholly independent units and are essentially identical essentially the anchoring plates 1 2 and 3 4 have the shapes of parallelipipeds and together define four radially outward circumferential surfaces 5 6 and 7 8 and two outer mounting surfaces 70 71 depicted in fig2 each anchoring plate 1 2 and 3 4 comprises at its respective radially outward circumferential surface a pair of an anchoring pins 9 9a 10 10a 11 11a and 12 12a for a total of eight pins each anchoring pin 9 9a 10 10a 11 11a and 12 12a points radially outward with each pair extending at right angles relative to the other in the assembled condition depicted in fig1 adjacent pin sets 9a and 10.