Unloader for discharging dry materials from bulk bags
First Claim
1. A bulk bag unloader comprisingat least one bottom frame,unloader frame brackets secured to the bottom frame,an adjustable frame constructed without cross bracing,a top frame secured to the adjustable frame,an I-beam secured horizontally to the middle of the top frame, said I-beam being substantially the same length as the adjustable frame is wide,a trolley for moving a hoist along the I-beam within the top frame:
- a hoist coupled with the trolley for lifting a bulk bag up and down; and
a bag support hopper supported by the unloader brackets.
1 Assignment
0 Petitions
Accused Products
Abstract
An unloader for discharging and feeding dry, granular type materials from bulk bags. Among the many improvements of the discharge apparatus is an open frame (20) and offset discharge location. Other improvements include an I-beam (23) and frame design that keeps the hoist (25) movement within the four corner posts of the frame. The unloader may be provided with vibrators, vibration isolators, load cells, actuators (107, 108), massage paddles, or plates (106, 109) to assist in the discharge function.
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Citations
11 Claims
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1. A bulk bag unloader comprising
at least one bottom frame, unloader frame brackets secured to the bottom frame, an adjustable frame constructed without cross bracing, a top frame secured to the adjustable frame, an I-beam secured horizontally to the middle of the top frame, said I-beam being substantially the same length as the adjustable frame is wide, a trolley for moving a hoist along the I-beam within the top frame: -
a hoist coupled with the trolley for lifting a bulk bag up and down; and a bag support hopper supported by the unloader brackets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A bulk bag unloader comprising
at least one bottom frame, a plurality of unloader frame brackets secured to the bottom frame, a bag support hopper supported by the unloader brackets, an adjustable frame constructed without cross bracing, a top frame secured to the adjustable frame, an I-beam secured horizontally to the middle of the top frame, said I-beam being substantially the same length as the adjustable frame is wide, a trolley for moving a hoist and bulk bag along the I-beam within the top frame, a hoist coupled with the trolley for lifting a bulk bag up and down, and a seat mounted to the unloader.
Specification