Elongated-member-driving apparatus – With means to move or guide member into driving position – Fluid-contact member-feed means
Patent
1997-09-16
1999-12-14
Vo, Peter
Elongated-member-driving apparatus
With means to move or guide member into driving position
Fluid-contact member-feed means
227119, 227139, B21J 1528
Patent
active
060005963
ABSTRACT:
An apparatus for feeding rivets for riveting guns comprises a first duct for transporting the rivets to a front arming device of a riveting gun; the first duct is connected to a source of compressed air supplying the compressed air at a first determined pressure, and a first pressure reducing element to impart the air flowing along the first duct a second determined pressure, and a first solenoid valve to control the outflow of compressed air through the first pressure reducing element; it also comprises a second duct connected at one of its ends to a source of compressed air and with its other end connected to a portion of the first duct positioned in proximity of the front arming device, along the second duct flowing compressed air at the first determined pressure higher than the second determined pressure which flows inside the first duct.
REFERENCES:
patent: 1980967 (1934-11-01), De Mooy
patent: 3488825 (1970-01-01), Lundgren
patent: 3906615 (1975-09-01), Campbell
patent: 4720215 (1988-01-01), Arena
patent: 4811881 (1989-03-01), Heck
patent: 5014876 (1991-05-01), Young
patent: 5390524 (1995-02-01), Higgs
patent: 5653368 (1997-08-01), Miles
Calve James P.
Far S.r.l.
Vo Peter
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