A hand-held pneumatically-powered breakstem rivet placing tool comprises a pulling head (12) driven by a pneumatic piston and cylinder device (13). The drive is transmitted by way of a chain (15), one end (45) of which is secured to the body (11) of the tool and the other end (49) of which is secured...http://www.google.fr/patents/US4815310?utm_source=gb-gplus-shareBrevet US4815310 - Fastener installation apparatus
