Metal working – Means to assemble or disassemble – With randomly actuated stopping or disabling means
Patent
1996-03-20
1998-07-14
Bryant, David P.
Metal working
Means to assemble or disassemble
With randomly actuated stopping or disabling means
29715, 29816, 29243518, 2924353, 723916, B23Q 1500, B23P 1100
Patent
active
057785163
ABSTRACT:
Riveting apparatus of the type in which an elongated mandrel, having an enlarged head at one end and loaded with a plurality of the tubular rivets forming a column of rivets on the mandrel, is gripped by gripping mechanism at or near the end remote from the head, and reciprocated relative to an abutment (32), by relative reciprocation between the gripping means (43) and the abutment, the rivets in the column being fed forwardly along the mandrel so that the leading rivet nearest the mandrel head is positioned between the mandrel head and the abutment (32) and can then be set by moving the mandrel rearwardly relative to the abutment (32) so as to draw the head of the mandrel through the bore of the rivet while the rivet is supported by the abutment (32), includes pneumatically operated rivet-feeding mechanism for feeding rivets forwardly along the mandrel, a valve mechanism for shutting off the supply of air to the rivet feeding mechanism thereby to disable it, and the valve mechanism is responsive to the presence or absence of a mandrel in the gripping mechanism (43) the valve mechanism being closed in the absence of a mandrel and open only in the presence of a mandrel.
REFERENCES:
patent: 3557597 (1971-01-01), Heslop et al.
patent: 3717023 (1973-02-01), Prosser et al.
patent: 4059981 (1977-11-01), Holloway
patent: 4065952 (1978-01-01), Holloway
patent: 4220033 (1980-09-01), Powderly
patent: 5315744 (1994-05-01), Denham et al.
patent: 5390524 (1995-02-01), Higgs
Dear Aiden R.
Denham Keith
Seewraj Angraj K.
Avdel Textron Limited
Bryant David P.
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