Apparatus for stacking bolts

Details Apparatus for stacking bolts Apparatus for stacking bolts

1989-12-12

1990-08-14

Bray, W. Donald

Woodworking

Special-work machine

144 3D, 144338, 144343, 414501, 414517, B27L 100

Patent

active

049479040

ABSTRACT:
The stacker comprises a receiving bin adapted to position bolts close to the ground in an orientation that is perpendicular to the direction of advance of the stacker. The bin has side walls that closely confine the two ends of the bolts. A reciprocating plunger at the base of the bin biases the bolts rearwardly through an aperture into a stacking bin that trails the receiving bin. The stacking bin is open at the rear and at the bottom. Its parallel side walls closely confine the ends of the bolts collecting therein. The bolts biased rearwardly by the plunger are forced into the base of the stack in the stacking bin. The combination of the resistance of the ground-engaging stack, the confinement by the side walls, and the forced introduction of bolts into the base of the stack, induces a "boiling up" action of the bolts at the front end of the stack whereby they self-align themselves into a parallel state. When the bins are moved ahead, they leave behind an elongated stack of bolts.

REFERENCES:
patent: 3012682 (1961-12-01), Williamson
patent: 3398774 (1968-08-01), Hahn
patent: 3868982 (1975-03-01), Kurelek et al.
patent: 3882910 (1975-05-01), Peltola et al.
patent: 4576540 (1986-03-01), Derain et al.
patent: 4620578 (1986-11-01), Verrill et al.

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