Patent ID: 6709210
Filing Date: 2004-03-23
Classification: F16B,Y10S

Abstract:
A combination of a first object having a slot and a spring fastener, the spring fastener comprising:(a) a substantially flat head portion having an engageable hole through which an expanding member can pass through and engage; (b) a neck having an opening and two side neck portions, the neck extending from the lower side of the substantially flat head portion at a substantially right angle with respect to the substantially flat head portion; (c) two substantially flat legs extending from the neck, each leg having an inner surface and a contact region, the two inner surfaces of the two legs being at an initial proximity with each other, the legs being expandable in opposite directions upon inserting the expanding member; and (d) a Y-shaped funnel in the vicinity of the contact region, the Y-shaped funnel having a first width, and funnel sides having been formed by partially cut leg portions extending outwardly from the legs, funnel bents, and inwardly bent portions with edges, the inwardly bent portions being of adequate size so as to partially extend into the slot of the first object, when the fastener is positioned in the slot.