초록 ▼

An assembly for forming a joint includes a stud joined to a plate. The stud includes a shank portion and a stem portion which extends from one end of the shank portion. The stem portion has a multi-lobular configuration thereon which is formed from a plurality of rounded lobes, each pair of lobes be

An assembly for forming a joint includes a stud joined to a plate. The stud includes a shank portion and a stem portion which extends from one end of the shank portion. The stem portion has a multi-lobular configuration thereon which is formed from a plurality of rounded lobes, each pair of lobes being interconnected to each other by a rounded flute. The plate has an aperture therethrough which has a multi-lobular configuration thereon which corresponds in shape to the multi-lobular configuration of the stem portion. To form the joint, the stem portion is inserted through the aperture such that a portion of the stem portion extends beyond the upper surface of the plate. The extending portion is then riveted to the plate to cause the extending portion to deform and uniformly expand to form a bloom or head and to secure the stud to the plate. The stem portion expands within the aperture to fully fill the aperture when the extending portion is being deformed. The extending portion can be riveted to the plate by orbital riveting, by radial riveting or by direct blow riveting.

대표청구항 ▼

An assembly comprising: a stud having a shank portion and a stem portion extending from one end of said shank portion, said stem portion having a multi-lobular configuration thereon comprising a plurality of arcuate lobes, wherein pair of said lobes are interconnected to each other by an arcuate flu

An assembly comprising: a stud having a shank portion and a stem portion extending from one end of said shank portion, said stem portion having a multi-lobular configuration thereon comprising a plurality of arcuate lobes, wherein pair of said lobes are interconnected to each other by an arcuate flute; and a plate having an aperture therethrough, said aperture having a multi-lobular configuration thereon which corresponds in shape to the multi-lobular configuration of said stem portion, wherein said stem portion is inserted through said aperture in said plate such that said stem portion having said multi-lobular configuration thereon extends beyond said plate and a portion of said stem portion having said multi-lobular configuration thereon remains within said aperture, said extending portion of said stem portion being riveted to said plate to cause said extending portion to uniformly expand and secure said stud to said plate.