Fastener adapted for wire cage

Claim 1

A fastener assembly of the threaded bolt and nut type for clamping fine gauge wire characterized by and comprising in combination: a. a bolt with a head of substantially larger cross sectional area than that of the shank diameter, said bolt head having a substantially flat undersurface; b. the threaded shank of the bolt having an axially extended generally cruciform slotway formed by intersecting slots of substantially equal depth dividing the shank into a plurality of generally equal portions, and extending the full length of said shank and terminating flush with said undersurface of said bolt head, said slotway being of a width corresponding to the gauge of the wire with which it is to be associated; c. a pair of washers having apertures correspondingly centrally positioned to receive the plural portions of the shank as defined by said cruciform slotway, each of said washers further having a corresponding generally cruciform recess substantially centered thereon and said recesses being of a depth corresponding to slightly less than the radius of the gauge with which it is to be associated, said washers assembled with the cruciform recesses facing each other; d. said generally cruciform recesses of said washers include deeper recessed portions in the area of intersection of the recesses defining the cruciform shaped slotway to facilitate better clamping of overlapping intersecting wires being gripped by said fastener; and e. a fastening nut internally threaded to complementally cooperate with said threaded shank to clamp said washers together to grip together normally intersecting fine gauge wires therebetween.