Rivets and methods for their production and use

Details Rivets and methods for their production and use Rivets and methods for their production and use

2005-04-12

2005-04-12

Gerrity, Stephen F. (Department: 3721)

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

C029S417000, C029S525060, C411S503000

Reexamination Certificate

active

06877646

ABSTRACT:
There is provided self piercing rivet comprising a substantially planar metal body portion (160) having deformable tabs (161) symmetrically disposed about a slit (162) as per the first embodiment. The upper portion of the body portion (160) is provided with a V-shaped recess (163) diverging from a point (164) adjacent the centreline of the body portion (160) and terminating at the upper edge (165) of the body portion (160). The V-shaped recess (163) divides the upper portion of the body portion (160) into head tabs (166) disposed to each side of the body portion (160). The upper remaining edges of the head tabs (166) enable the rivet to be partially driven and then set by deformation of the deformable tabs (161) and the head tabs (166) against respective sides of the riveted workpiece. Methods of producing the rivets and tools for their use are also provided.

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