Elongated-member-driving apparatus – With randomly actuated stopping or disabling means
Patent
1987-04-07
1988-12-13
Yost, Frank T.
Elongated-member-driving apparatus
With randomly actuated stopping or disabling means
227 2, B21J 1528
Patent
active
047904704
ABSTRACT:
Fastener installation apparatus for operating cylically so as to instal successively a plurality of fasteners of the type in which a portion is broken off at installation (e.g. breakstem blind rivets) comprises a fastener installation head (11) and a pipe (31) for conveying the broken-off portions away from the head to a receptacle (15). Detection device (48) is mounted adjacent the pipe (31) to detect the presence of a broken-off fastener portion at a pre-determined position (58) there along near the receptacle (15). When a portion is thus sensed, an electrical signal is sent by the detection device (48), via a relay (51), to the installation control system (14a, 14b), so as to allow cyclical operation of the system to continue.
REFERENCES:
patent: 3685716 (1972-08-01), Frankie et al.
Avdel Limited
Wolfe James L.
Yost Frank T.
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