John C Stelk from 2420 E Fairview St, Chandler, AZ 85225, age 74

Hammermill Hammer With Pin-Hole Insert
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US Patent:

7757979, Jul 20, 2010
Filed:

Apr 4, 2008
Appl. No.:

12/098130
Inventors:

John C. Stelk - Davenport IA, US
Assignee:

Riverside Products, Inc. - Bettendorf IA
International Classification:

B02C 13/26
US Classification:

241 25, 241194, 241195
Abstract:

A hammer for a hammermill includes an elongated pin hole and a pin-hole insert that allows the hammer to be mounted in a first position and a second position on a rotor of a hammermill to prolong the useful life of the hammer. The insert is installed in the pin hole using corresponding mating features. A hammer assembly and method for prolonging the life of hammers in a hammermill are also described.

Offset Disc Hammer Assembly For A Hammermill
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US Patent:

20060226269, Oct 12, 2006
Filed:

Apr 12, 2005
Appl. No.:

11/104400
Inventors:

John Stelk - Davenport IA, US
International Classification:

B02C 13/00
US Classification:

241194000
Abstract:

A hammer assembly for a hammermill is disclosed. The hammer assembly includes a drive shaft, a plurality of offset discs arranged in axial alignment about the drive shaft, and a plurality of hammers. Each offset disc is placed along the drive shaft adjacent to at least one other offset disc. The arrangement of the discs defines a plurality of alternately offset mounting spaces such that a hammer may be mounted in the offset mounting spaces.

Heavy Duty Spider Assembly For A Hammermill
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US Patent:

50225936, Jun 11, 1991
Filed:

Jul 16, 1990
Appl. No.:

7/554139
Inventors:

John C. Stelk - Bettendorf IA
Assignee:

Sivyer Steel Corporation - Bettendorf IA
International Classification:

B02C 1328
US Classification:

241194
Abstract:

A heavy duty hammermill having a fragmentizing chamber and a hammer assembly mounted for rotary motion in the chamber and cooperating with a cutting comb and grate bars for fragmentizing auto parts fed into the chamber, the hammermill assembly being formed from a number of spiders mounted on a drive shaft and an end disc mounted on the shaft at each end of the spider assemblies, the spiders being spaced apart equal distances by spacer members provided between each pair of spiders and the end discs, each spider assembly including a spider having six arms with freely rotating hammers mounted on hammer pins in the spaces between the arms, the spider arms having a hub portion spaced outwardly from the spacer members and protective caps mounted on the impact areas of the spider arms and end discs.

Heavy Duty Disc-Spider Assembly For A Hammermill
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US Patent:

51411679, Aug 25, 1992
Filed:

May 28, 1991
Appl. No.:

7/705740
Inventors:

John C. Stelk - Bettendorf IA
Assignee:

Slvyer Steel Corporation - Bettendorf IA
International Classification:

B02C 1300
US Classification:

241194
Abstract:

A hammer assembly for a hammermill of the type having a housing forming a fragmentizing chamber, a hammermill assembly being mounted for rotary motion in the chamber and including a drive shaft, a number of spider assemblies axially aligned on the shaft, each spider assembly including a number of arms having a pin opening at the outer end thereof, a number of discs alternately arranged on the shaft between the spider assemblies, each disc including a number of hammer pin openings corresponding to the number of openings in the spider arms to form axially aligned rows of openings, a hammer pin aligned at each row of openings and a number of hammers randomly mounted on the hammer pins in the spaces provided in the spider arms and between the adjacent discs.

Symmetrical Protective Cap For A Rotary Hammer Assembly For A Hammermill
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US Patent:

50728881, Dec 17, 1991
Filed:

Dec 20, 1989
Appl. No.:

7/453622
Inventors:

John C. Stelk - Bettendorf IA
Assignee:

Sivyer Steel Corporation - Bettendorf IA
International Classification:

B02C 1328
US Classification:

241194
Abstract:

A protective end cap for a hammermill assembly including a drive shaft having a number of spider assemblies mounted thereon, each spider assembly including a hub having a number of spider arms with the spider arms being aligned with the spider arms on the adjacent spider arm assemblies, a hammer shaft extending through each row of spider arms, a number of hammers mounted on the hammer shaft in the spaces between the spider arms and a protective cap mounted on the exposed portions of the hammer shafts between the spider arms, the caps including flanges on one or both sides for protecting the outer ends of the spider arms.

John C Stelk