F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/18
F16B 13/10 (2006.01) F16B 19/10 (2006.01)
Patent
CA 1106660
ABSTRACT OF THE DISCLOSURE Disclosed is a blind rivet, comprising a shank provided on the outer peripheral surface thereof with a plurality of toothed steps adapted for locking engagement. A rivet body disposed round the shank and provided on the inner surface thereof with toothed steps formed complimentarily for locking engagement with the aforementioned toothed steps on the shank. The body further provides in the cylindrical wall -thereof with at least a pair of opposed windows, at least one of the windows being provided with wedge means extending from the lower end toward the upper end of the window and a restricted wedge receiving portion formed in the upper end of the window for permitting forced entry therein of the wedge means. Desired binding of given panels is accomplished by inserting the whole blind rivet combining the shank and the rivet body from an open side of the panels into fitting holes perforated in advance in the panels and subsequently pulling the shank upwardly relative to the rivet body for thereby causing the portion of the rivet body protruding on the other side of the panels to be bent outwardly in the radial direction and, at the same time, allowing the wedge means to enter the wedge receiving portion and press itself tightly against the inner walls of the fitting holes so as to fasten the blind rivet to the panels with enhanced binding force.
322742
Hara Kunio
Tanaka Toshie
Meredith & Finlayson
Nifco Inc.
LandOfFree
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