Patent ID: 9642302
Date: 2017-05-09
CPC Classifications: A01D,Y10T

Claim:
1. An apparatus comprising a rotary head assembly configured for attachment to a rotary power source, the rotary head assembly comprising wherein each retention member and respective biasing member are sized and configured so that, when the actuating external force is applied to the first retention member portion, the retention member is actuated causing a bias of the biasing member to be overcome and the second retention member portion to be removed from the respective slot, thereby releasing the respective retained member from the respective slot; wherein at least a portion of the second retention member portion is geometrically shaped, and an aperture defined by the retained member is defined in a geometrical mating fashion relative to the geometrically shaped second retention member portion, so that the second retention member portion is removed from the aperture defined by the retained member through which the second retention member portion extends only when the second retention member portion is in key-and-lock style geometric alignment with the aperture defined by the retained member; and wherein each of the one or more retention members forms a J-shaped retention member, a straight portion of the retention member forming the first retention member portion and at least a portion of a curved portion of the J-shaped retention member forming the second retention member portion.