Elongated-member-driving apparatus – With control means responsive to sensed condition
Patent
1989-12-01
1990-11-27
Yost, Frank T.
Elongated-member-driving apparatus
With control means responsive to sensed condition
227 3, 227112, B21J 1510, B21J 1528
Patent
active
049729853
ABSTRACT:
A vacuum pulls a spent mandrel through a gun bore and into a collection tube which discharges into a collector. Gun operation and mandrel entry into and departure from the collection tube are sensed and blockage of the mandrel within the collection tube and the jamming of the mandrel in the rivet gun are determined and signalled to the operator. The cycle immediately continues when the mandrel is cleared.
REFERENCES:
patent: 4754643 (1988-07-01), Weeks, Jr. et al.
patent: 4765175 (1988-08-01), Denham et al.
patent: 4790470 (1988-12-01), Miles
patent: 4811881 (1989-03-01), Heck
D'Aquila Anthony
Smart Charles F.
Emhart Industries Inc.
Husar John M.
Smith Spencer T.
Yost Frank T.
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