| 摘要 |
A fastener system for multi-piece swage type fasteners, including a pin (12) and a collar (14), and providing a stump type fastener (10) constructed to be set as a pull type fastener with the fastener pin (12) having a threaded gripping portion (34, 36) and including an installation tool (44) having a swage anvil (50) and a rotary nut member (46) adapted to be threaded onto the threaded pull portion (34, 36) of the pin (12) whereby a relative axial force is applied between the pin (12) and the collar (14) via the nut member (46) and swage anvil (50) to cause the anvil (50) to radially overengage the collar (14) to swage it into locking grooves (32) on the pin (12) and the pull portion (34, 36) remaining on the pin (12) after installation. |
