Spring fastener having multifunctional barbs originating at the side neck or leg portion

An assembly comprising a first part and a fastener,

• the first part having an upper surface and a lower surface, a slot commensurate to the fastener, the slot having a length, a width, lower edges, upper edges, and side edges, along its length;
• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• and
• (e) barbs having an origin at a region selected from the side neck portion, and the side leg portion, the barbs directed outwardly away from the legs, the barbs also having a front point which front point is substantially disposed above the lower surface of the first part and above the lower edges of the slot.

A fastener comprising:

• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• and
• (e) barbs having a front point and an origin at a region selected from the lower head side, the side neck portion, and the side leg portion, the barbs being directed outwardly away from the legs and then inwardly toward the legs.

An assembly comprising a first part and a fastener,

• the first part having an upper surface and a lower surface, a slot commensurate to the fastener, the slot having a length, a width, lower edges, upper edges and side edges, along its length;
• the fastener being inserted into the slot and comprising:
• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• and
• (e) barbs having a front point and an origin at a region selected from the lower side of the head portion, the side neck portion, and the side leg portion, the barbs being directed outwardly away from the legs and then inwardly toward the legs, the barbs also having sliding portions in contact with at least one of the lower, upper, and side edges of the slot.

A vehicle comprising a first part having a slot and a second part having a hole, the two parts connected with a fastener, the fastener comprising:

• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• and
• (e) barbs having an origin at a region selected from the side neck portion, and the side leg portion, the barbs also having a front point which front point substantially reaches or exceeds the lower side, the barbs directed outwardly away from the legs.

A vehicle comprising an assembly, the assembly comprising a first part and a fastener,

• the first part having an upper surface and a lower surface, a slot commensurate to the fastener, the slot having a length, a width, lower edges, upper edges, and side edges, along its length;
• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• and
• (e) barbs having an origin at a region selected from the side neck portion, and the side leg portion, the barbs directed outwardly away from the legs, the barbs also having a front point which front point is substantially disposed above the lower surface of the first part and above the lower edges of the slot.

A vehicle comprising a first part having a slot and a second part having a hole, the two parts connected with a fastener, the fastener comprising:

• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• and
• (e) barbs having a front point and an origin at a region selected from the lower head side, the side neck portion, and the side leg portion, the barbs being directed outwardly away from the legs and then inwardly toward the legs.

A vehicle comprising an assembly of a first part with a slot, and a fastener within the slot, the fastener comprising:

• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• and
• (e) barbs having a front point and an origin at a region selected from the lower head side, the side neck portion, and the side leg portion, the barbs being directed outwardly away from the legs and then inwardly toward the legs.

A fastener comprising:

• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• (e) at least one high barb having an origin at a region selected from the side neck portion, and the side leg portion, the at least one high barb also having a front point which front point substantially reaches or exceeds the lower side, the at least one high barb directed outwardly away from the legs;
• and
• f) at least one low barb having an origin at a region selected from the side neck portion, and the side leg portion, the at least one low barb also having a front point which front point reaches lower than the lower side, the at least one low barb directed outwardly away from the legs.

A vehicle comprising an assembly of a first part with a slot, and a fastener within the slot, the fastener comprising:

• (a) a substantially flat head portion comprising a first hole, the flat head comprising at least a lower side;
• (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, 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 through the first hole an expansion member, thus bringing the expansion member to a contact region of the legs, each leg also having side leg portions;
• (d) a funnel configuration in the vicinity of the contact region;
• (e) at least one high barb having an origin at a region selected from the side neck portion, and the side leg portion, the at least one high barb also having a front point which front point substantially reaches or exceeds the lower side, the at least one high barb directed outwardly away from the legs;
• and
• f) at least one low barb having an origin at a region selected from the side neck portion, and the side leg portion, the at least one low barb also having a front point which front point reaches lower than the lower side, the at least one low barb directed outwardly away from the legs.