Roofing washer-dispensing and fastener-driving machine

Details Roofing washer-dispensing and fastener-driving machine Roofing washer-dispensing and fastener-driving machine

1995-09-08

1996-12-17

Noland, Kenneth

Article dispensing

With discharge assistant

With size adjusting means

29787, B65H 3120

Patent

active

055844154

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:
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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: 5065898 (1991-11-01), Michalewski et al.
patent: 5232123 (1993-08-01), Richardson et al.

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