VORRICHTUNG ZUM SETZEN VON BEFESTIGUNGSELEMENTEN.

摘要

Fastener installation apparatus, for installing fasteners such as blind rivets of the type which includes a washer-like member (13) which is free to fall away from the installed fastener, is provided with temporary retaining means (42, 42) for temporarily retaining the washer-like member (13) on the installation apparatus after installation of the fastener. The temporary retaining means comprises a pair of gripping faces (42, 42) which project forwardly from the reaction faces (25, 25) of a pair of members (40 or 48) which are part of the nosepiece of the apparatus. The gripping faces (42, 42) close together automatically to grip the washer-like (13) member as the installation apparatus installs a fastener, and draw apart again to release the washer-like member (13) as the installation apparatus returns to be ready to receive a further fastener for installation.