Article dispensing – With discharge assistant – Article retained by discharge assistant for manual removal
Patent
1994-07-27
1995-08-29
Valenza, Joseph E.
Article dispensing
With discharge assistant
Article retained by discharge assistant for manual removal
221263, 221271, 221290, 221304, 221307, B65G 5906, B65H 324
Patent
active
054452970
ABSTRACT:
In a machine for dispensing stackable roofing washers individually and for driving fasteners through such washers, a shuttle is actuatable to displace a lowermost washer of one from a stack, either a small, circular or large, square washer. A gate is biased toward a lowermost position wherein it provides sufficient clearance for the lowermost washer but not any overlying washer to pass beneath it. A pawl mounted pivotally to the gate is biased to a lowermost position wherein the pawl engages a small washer displaced by the shuttle so as to restrain it against backward movement. A stop is adjustable so as to limit movement of a washer of whichever size is being displaced. A measuring bar is mounted via the stop. A screw gun, which provides a primary handle, and a secondary handle are mounted to an upright element so as to be independently adjustable.
REFERENCES:
patent: 2637609 (1953-05-01), Berg
patent: 4890968 (1990-01-01), Beach et al.
patent: 5042142 (1991-08-01), Beach et al.
patent: 5056684 (1991-10-01), Beach et al.
patent: 5232123 (1993-08-01), Richardson et al.
Beach John R.
Doherty James E.
Hasan Syed Riaz-Ul
Kenny Daniel J.
Paul Sigismund G.
Illinois Tool Works Inc.
Reichard Dean A.
Valenza Joseph E.
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