An adjustment system for a fastener pulling head includes a swivel adapter, an adjustment member, and a retention member. The fastener pulling head includes a frame, a jaw, and a drawbolt body, the adjustment system. The swivel adapter is configured to engage with a proximal end portion of the drawbolt body. The swivel adapter defines an internal bore. The adjustment member is disposed within the internal bore and configured to engage the drawbolt body. The retention member is configured to engage and secure the swivel adapter at a location within the drawbolt body. When the retention member is disengaged from the swivel adapter, the pulling head can be rotated to cause the frame to move relative to the drawbolt body to adjust a gripping force of the jaw.

A blind riveting device is provided, which is adapted for engagement to a handle having a powered translating member projecting therefrom. Force from the translating member imparted to a drive piston moves a second piston to pull a blind rivet connected to a jaw engaged with the second piston, thereby mounting the blind rivet.

A riveting tool accessory comprises a cylinder handgrip (1) A rotating member (2) and a transmission member (3) are disposed in the cylinder handgrip in a penetrating manner, the rotating member is axially positioned and circumferentially and rotatably connected to the cylinder handgrip, and the transmission member is circumferentially positioned and axially and movably connected to the cylinder handgrip. The rotating member and the transmission member can be connected by means of a thread structure (4). When the rotating member rotates forwards or backwards, the transmission member can be driven to move backwards or forwards. The front end of the transmission member is provided with a connecting member (5) capable of loading a riveting fastener (100), and the front end of the cylinder handgrip is provided with a guide nozzle assembly (6). The connecting member is disposed in the guide nozzle assembly in a penetrating manner, and the front end of the connecting member can reach out of the guide nozzle assembly. A compression pretightening spring (7) is disposed between the transmission member and the guide nozzle assembly, and a safety valve mechanism (8) is disposed between the transmission member and the connecting member. The riveting tool accessory has the advantages that the structural design is reasonable, and the riveting tool accessory can be adaptive to a driving device containing power output, and enables the riveting fastener to switch screw pairs before a force is applied to the riveting fastener. Also disclosed is a riveting tool using the riveting tool accessory.

Disclosed is a blind fastener including a core bolt, a body and a blind side clamp on the core bolt insertable through an aperture, where moving the core bolt relative to the body forms an enlarged bearing surface against a back surface. The fastener includes an extension from the body with a wrenching surface and an undercut between the body and the wrenching surface that is optionally configured to break when torque equal to the sum of an application specified minimum installed seated torque and a manufacturing failure torque tolerance for the undercut is applied. Also disclosed is a method of dressing the installed fastener including machining through the top surface of the fastener along a longitudinal axis of the core bolt of the fastener and the extension that extends from a body of the fastener until intersecting the undercut between the extension to remove the extension.

A fastening tool includes a housing, a fastener-abutment part, a pin-gripping part held within the fastener-abutment part to be movable in a front-rear direction relative to the fastener-abutment part, a detection-target part provided to move together with the pin-gripping part, a detection device configured to detect the detection-target part, a motor, and a driving mechanism configured to move the pin-gripping part rearward from an initial position relative to the fastener-abutment part. The driving mechanism is further configured to move the pin-gripping part forward relative to the fastener-abutment part so as to return the pin-gripping part to the initial position based on a detection result of the detection device. The fastening tool is configured such that a first moving distance is adjustable, the first moving distance being a distance by which the pin-gripping part is moved from a detection position to the initial position.

A fastening tool includes a housing, a fastener-abutment part, a pin-gripping part, a motor, a driving mechanism and a handle. The housing extends in a front-rear direction along a driving axis. The driving mechanism is configured to move the pin-gripping part rearward along the driving axis relative to the fastener-abutment part. The driving mechanism includes a rotary member and a movable member configured to linearly move in the front-rear direction when the rotary member is rotationally driven. The handle protrudes downward from the housing and has a trigger. A rotation axis of a motor shaft extends in parallel to the driving axis on a lower side of the driving axis. A virtual plane including the driving axis and the rotation axis passes a center of the handle in a left-right direction. The trigger is disposed between the rotary member and a motor body in the front-rear direction.

A rivet gun includes a gun body and a spear detachably connected. The gun body has an axial negative pressure air chamber and an axial hydraulic chamber intercommunicating for gas pressure. The spear includes a connecting chamber communicating with the hydraulic chamber and a gun nozzle. A jaw chamber operating for nail-clamping purposes is adjacent to the gun nozzle. The hydraulic chamber has a piston and an elastic member attached to the piston, other end of the elastic member connecting to the negative pressure air chamber. The piston is coupled to a rod, the rod bears on the jaw chamber to move along the axis of the connecting chamber and thereby clamp on or release a riveting nail.

A blind riveting device is provided, which is adapted for engagement to a handle having a powered translating member projecting therefrom. Force from the translating member imparted to a drive piston moves a second piston to pull a blind rivet connected to a jaw engaged with the second piston, thereby mounting the blind rivet.

A jaw assembly for a rivet setting tool the jaw assembly including a plurality of jaws each jaw defining part of an interlocking mechanism and an oppositely located part of another interlocking mechanism wherein adjacent jaws interlock via engagement of the parts of the interlocking mechanisms of the respective jaws for enabling radial movement of the jaws relative to each other while restricting axial movement of the jaws relative to each other.

A riveting tool chuck. The riveting tool chuck comprises a cylinder handgrip (1). A rotating member (2) and a transmission member (3) are disposed in the cylinder handgrip in a penetrating manner, the rotating member is axially positioned and circumferentially and rotatably connected to the cylinder handgrip, and the transmission member is circumferentially positioned and axially and movably connected to the cylinder handgrip, and the rotating member and the transmission member are connected by means of a thread structure (4). A safety valve mechanism (9) that can enable the thread structure to have a screw pair pretightening force is disposed between claw body top columns (8) and the transmission member, and in the process of forward rotation of the rotating member, the safety valve mechanism can enable the rotating member to implement screw pair transformation of a screw structure before the axial reaction force between the front end of each claw body (5) and the rear end of a cylinder guiding nozzle (7) is reduced to zero, so that backlash stroke of the screw structure is avoided. A riveting tool using the riveting tool chuck. The riveting tool chuck has the advantages that the structural design is reasonable, and the riveting tool chuck can be adaptive to a driving device containing power output, can provide a pretightening force for screw pairs, and has no backlash stroke.