The rivet assembly 80 includes a rivet 82 having a head 84 and a shank 86. 5 and 6, a perspective view of a sample rivet assembly 80 and a front perspective view of an installed rivet 82 are shown. Although one configuration of the washer retaining apparatus 12′ is shown, the washer retaining apparatus 12′ may be in various forms, styles, shapes, and sizes. The washer retaining apparatus 12′ has surface area dimensions that correspond with end surface area dimensions of the anvil holder 32 and the collet 34. Thickness T of the washer retaining apparatus 12′ is approximately equal to or less than a distance D between the nose tip 36 and the end surface 70 of the anvil holder 32. The element outer diameter 62 is approximately equal to the collet outer diameter 68. The element inner diameter 60 is larger than the insert outer diameters of one or more anvil inserts, such as the outer diameter 66 of the insert 30, but smaller than the outer diameter 68 of the collet 34. The element inner diameter 60 may be approximately equal to a holder inner diameter 64 of the anvil holder 32.
The washer retaining apparatus 12′ includes an element inner diameter 60 and an element outer diameter 62. The washer retaining apparatus 12′ has element dimensions that accommodate multiple different rivet gun nose assembly dimensions associated with multiple rivet gun nosepieces or anvil inserts. The washer retaining apparatus 12′, as shown, is in the form of a magnetized washer having dimensions that correspond with dimensions of the nose assembly 22′. The washer retaining apparatus 12′ may include the nose assembly 22′. 1, a washer retaining apparatus may incorporate any number of magnetic elements. Although a single magnetic element is shown in FIG. Samples of a driving anvil washer and rivet are shown pre-installation in FIG. The washer retaining apparatus 12 retains a driving anvil washer during the installation of a rivet.
1, the washer retaining apparatus 12 and the magnetic element 21 are one in the same. The rivet gun 14 includes a main body portion 20, the washer retaining apparatus 12 having a magnetic element 21, and a nose or nose assembly 22, which may or may not be included in the washer retaining apparatus 12. The system 10 includes a rivet gun 14 and may include a supply line 16 and an energy source/supply tank 18, as shown. 1, a perspective view of a rivet installation system 10 incorporating a driving anvil washer retaining apparatus 12 in accordance with an embodiment of the present invention is shown.
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