Abstract: An offset nose assembly for installing fasteners is provided that generally includes a drawbar, a swage anvil and a collet. The drawbar has three portions with the third portion transitioning from the second portion by a chamfer, the chamfer being of a preselected angle that is adapted to positively engage a chamfer of a preselected angle of a piston of a fastener installation tool. Additionally, a generally L-shaped guard assembly is provided that is disposed on the collet to cover a gap defined between the collet and the swage anvil. Also, a deflector is provided that is attached to a nut that is threadedly engaged with the rearward end of a bore in the collet, the deflector having a section of a uniform constant outside diameter that integrally transitions to a section that has an outside diameter that gradually lessens along its length.

Abstract: A hydraulic installation tool for installing fasteners is provided, that includes a housing having a first portion adapted to receive a drawbar and a second portion adapted to receive a piston, a gland and a retaining ring. A generally L-shaped drawbar is disposed in the first portion of the housing and a piston, a gland and a retaining ring is disposed in the second portion of the housing. The hydraulic installation tool is useful in securing lockbolt or swage type fasteners.

Abstract: A hand held, hydraulically actuated installation tool installs multi-pieced fasteners having fastener components including a pin and a collar and/or sleeve by applying a relative axial force therebetween by a nose assembly which has a jaw structure for gripping the shank of the pin and an anvil for engaging the collar or sleeve and for severing a pintail portion of the shank after completion of the installation. A power cylinder housing is provided having a cylinder housing section and an integrally formed handle section with hydraulic passageways extending through the handle with internal parting to the cylinder housing. While the nose assembly can be readily installed and removed, the anvil member can be selectively rotated when the nose assembly is installed.

Abstract: An installation tool installs multi-pieced fasteners having fastener components including a pin and a collar and/or sleeve by applying a relative axial force therebetween by a nose assembly which has a jaw structure for gripping the pin and an anvil for engaging the collar or sleeve. A first resilient spring structure is provided to exert an actuating bias on the jaw structure for gripping the pin while a second resilient, spring structure is provided to absorb shock loads experienced by the nose assembly during installation; the first and second resilient, spring structures are constructed to operate substantially independently of each other. A series of openings are provided at the forward end of the nose assembly to define a structure for expelling dirt and debris which would otherwise be trapped therein.

Abstract: A pintail fastener installation tool includes a nose piston cylinder which surrounds a nose piston having a longitudinal bore which is aligned with a jaw opening of a nose assembly. The nose piston also has a venturi bore which meets the longitudinal bore at an angle. When connected to a source of pressurized air and enabled, the venturi bore creates a venturi effect which suctions detached pintails out of the nose assembly and piston into a container. The venturi bore may be disabled by a slide valve which separates the venturi bore from the air feed. The slide valve includes a ring which is positioned around the exterior of the nose piston cylinder. The slide valve is linearly slidable between an open position, which allows pressurized air to flow from the air feed to the venturi bore, and a closed position, which prevents air flow from the air feed to the venturi bore. A pintail container secured to the nose piston cylinder includes a slotted inner bottle and a slotted outer bottle with ribs.

Abstract: An offset pin puller apparatus usable with a fluid-operated actuator tool for exerting an axial pulling force on a grooved fastener pin projecting through a workpiece. Jaws mounted within the apparatus are held against axial motion while an associated collet moves axially to cam the jaws into clamped engagement with the fastener pin. The jaws are released from the fastener pin by abutment of a jaw release assembly with an inner wall of the apparatus. Such abutment effects an axial and radial separation of the jaws from the collet during a return stroke of the actuation tool.

Abstract: A rotatable nose assembly for swaging a fastener collar onto a grooved fastener pin in an application where there is only limited access to the pin and collar assembly. A swaging anvil has parallel flat side faces adapted to fit into a channel-shaped workpiece to facilitate swaging motion of the anvil along the collar surface. The anvil has a rotary swivel connection to the nose assembly such that the flat side faces of the anvil can be rotated to fit different orientations of the channel flanges.

Abstract: A tool for swaging a fastener collar around a grooved fastener pin to secure two or more work pieces together includes an axially elongated anvil and collet that can slide back and forth to perform the swaging operation. Localized side areas of the anvil and collet are cut away to define a clearance space that can fit around projecting portions of the work that might otherwise obstruct the tool against proper placement of the anvil against the fastener collar. The anvil and collet are rotatable as a unit to enable the clearance space to be oriented at any desired location around the anvil circumference.

Abstract: A nose assembly for pulling fasteners through a workpiece includes an anvil having a conical surface for engaging a complimentary conical surface defined by a set of chuck jaws. The chuck jaws includes a rear skirted portion defining a recess for receiving a biased support member which prevents the radial collapse of the chuck jaws during actuation of the nose assembly. The nose assembly is particularly adapted for gripping a relatively short axially projecting portion of a fastener while ensuring complete engagement of all jaw teeth with the fastener.

Abstract: An adaptor coupling for providing a rotatable connection between an installation tool and an offset nose assembly for setting pin and collar type fasteners enables previously non-rotatable nose assemblies to be rotated around the end of the installation tool to enable the nose assembly to access and set difficult to reach fasteners while at the same time minimizing operator fatigue.

Abstract: An offset nose assembly for swaging a fastener collar about a fastener pin includes an anvil housing which is rotatably mounted within a tubular sleeve portion of a hydraulically actuated installation tool. A collet is slidably fitted within the anvil housing and is connected to a piston of the installation tool via a smooth-walled drawbar and tubular adapter coupling. The drawbar is received within smooth-walled bores formed within the collet and the tubular adapter coupling. The tubular adapter coupling is closely fitted within a tubular portion of the anvil housing and is adapted to be securely fixed to the reciprocating piston of an installation tool. The anvil housing is mounted to the installation tool with a split ring and fastening nut in a manner which ensures an axial clearance is maintained between the installation tool and the anvil housing thereby providing free rotational movement of the anvil housing around the tool.

Abstract: A nosepiece for setting lockbolt fasteners includes an anvil housing connected to a collet member via a roll pin. The roll pin securely anchors a drawbar within the collet to form an non-threaded connection therebetween. The drawbar is adapted to be connected to and rigidly supported within a piston of an installation tool. The rigidity of the piston and tool is transferred to the nosepiece by the drawbar so as to prevent nosepiece deflection during setting of the lockbolt.