James P Howe

US Patent:

61828173, Feb 6, 2001

Filed:

Nov 30, 1998

Appl. No.:

9/201693

Inventors:

Franklin G. Rinker - Perrysburg OH
James L. Howe - Temperance MI
Daniel A. Molnar - Perrysburg OH

Assignee:

Maumee Research & Engineering, Inc. - Northwood OH

International Classification:

B65G 3326

US Classification:

198671

Abstract:

A screw having a field replaceable flight. The screw includes a barrel and a helical flighting that is removably attached to the barrel by a plurality of brackets. The helical flighting includes a plurality of segments, each segment includes first and second opposing faces having an opening extending there though and side edges. The segments are positioned side by side to generally cooperatively form the flighting of the screw. At least one face of each segment includes raised bosses. The raised bosses project perpendicularly outwardly from the face of the segment to form a pocket within which the bracket is received. The segments are removably attached to the barrel by inserting a segment forming part of the flighting within the pocket and then removably fastening the segment within the pocket.

US Patent:

58952152, Apr 20, 1999

Filed:

Oct 14, 1997

Appl. No.:

8/949572

Inventors:

Franklin G. Rinker - Perrysburg OH
Daniel A. Molnar - Perrysburg OH
James Howe - Temperance MI
Carl L. Porter - Prospect KY

Assignee:

Maumee Research & Engineering, Inc. - Maumee OH

International Classification:

F27B 916
F27D 300

US Classification:

432138

Abstract:

An apparatus for charging a feed material onto a rotating hearth of a rotary hearth furnace, the rotary hearth furnace including refractory lined inner and outer walls and having a refractory roof supported thereon, the apparatus comprising a table mounted above the rotating hearth and capable of receiving feed material from outside of the rotary hearth furnace, the table extends transversely across the rotating hearth and having a first end including a distribution member, a second end including a plurality of discharge slots, and an intermediate leveling plow; wherein feed material free falls over said distribution member and is distributed across the width of the table and then adjusted to a uniform depth such that as the rotating hearth passes under the stationary table a curtain of feed material is loaded onto the hearth.