Patent ID: 7971822

Claim:
A yarn package holder comprising a cone holder secured to a support block and extending outwardly therefrom, said support block having a lower surface and being selectively rotatable with respect to a latch block disposed coaxially therebelow, a collar disposed above said support block and being selectively fixed in position with respect to said support block, a detent formed in the upper surface of said latch block, a screw extending through said support block and being secured in place by a stop, a stop extension extending outwardly from said collar, said stop and said stop extension being disposed generally in the same horizontal plane, the composition of said screw being harder than the composition of said latch block, the head of said screw opposite said stop being rounded, a curved groove formed in said upper surface of said latch block by repeated pivoting action of said rounded head, and said curved groove extending from said detent.