F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 19/05 (2006.01) B21J 15/02 (2006.01) F16B 29/00 (2006.01)
Patent
CA 2050493
2050493 9011457 PCTABS00002 A fastening system including a swage type fastener (10) including a pin (12) and a collar (14) adapted to be swaged into helical lock grooves (26) in the pin (12) and with the collar (14) having a female thread (63) which is threadably engeable with the helical lock grooves (26) to selectively clamp or locate the workpieces (18, 20) relative to each other more or less prior to swage, with the collar thread (63) being of a strength to deform or shear relative to the pin threads (26) in response to a relative axial load between the pin (12) and collar (14) at the initiation of the swage operation but prior to swaging and in which the fastener (10) includes a resistance member (59) for permitting pre-clamping of the workpieces (18, 20) together at a selected pre-assembly pre-load while subsequently permitting sufficient relative axial movement between the pin (12) and collar (14) after pre-clamping such that the collar threads (63) can be deformed or sheared prior to initiation of swage whereby the final clamp-up load of the workpieces (18, 20) is substantially uninhibited by the initial threaded engagement of the pin and collar threads (26, 63).
Huck International Inc.
Sadri Shahriar M.
Smart & Biggar
LandOfFree
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