Detachable knife assembly for a flail machine
AssigneeMathews Company
InventorRonald D. Gillund
Life of this patent
Estimating the term…
Abstract
A detachable knife assembly having a hanger bracket forming a curved end. The curved end defines an opening large enough to fit the curved end of the hanger bracket over a mounted hanger rod. A retaining bracket is positioned adjacent the hanger bracket and close enough to the curved end of the hanger bracket to enclose and retain the hanger rod within the hanger bracket opening. A knife blade is either a part of or secured to the hanger bracket. The retaining bracket is detachably secured to the hanger bracket. The curved end of the hanger bracket preferably forms a curve about an arc segment of approximately 180.degree..
Claims23
A detachable knife assembly comprising:
- a hanger bracket forming a curved end and a knife end, said curved end defining a hanger bracket opening large enough to fit over a hanger rod;
- a retaining bracket, a mounting portion of said retaining bracket positioned adjacent said hanger bracket, a bearing portion of said retaining bracket angled with respect to said mounting portion away from said hanger bracket, an outer edge of said bearing portion spaced from an edge of said curved end, said retaining bracket positioned adjacent said hanger bracket and close enough to said curved end to enclose and retain the hanger rod within said hanger bracket opening;
- and
- attachment means for detachably securing said retaining bracket to said hanger bracket.
In a knife assembly having a hanger bracket forming a curved end and a knife element, the improvement comprising:
- the curved end defining a hanger bracket opening large enough to fit over a hanger rod, a retaining bracket, a mounting portion of said retaining bracket positioned adjacent the hanger bracket, a bearing portion of the retaining bracket angled with respect to said mounting portion away from said hanger bracket, an outer edge of said bearing portion spaced from an edge of the curved end, said retaining bracket positioned adjacent said hanger bracket and close enough to the curved end to enclose and retain the hanger rod within said hanger bracket opening, and
- attachment means for detachably securing said retaining bracket to the hanger bracket.
A rotor assembly for a shredder, the rotor assembly comprising:
- a rotor, a plurality of hanger rods, mounting means for mounting each said hanger rod on said rotor, a plurality of knife assemblies;
- and
- each said knife assembly comprising a hanger bracket forming a curved end and a knife end, said curved end defining a hanger bracket opening large enough to fit over one of said hanger rods, a retaining bracket, a mounting portion of said retaining bracket positioned adjacent said hanger bracket, a bearing portion of said retaining bracket angled with respect to said mounting portion away from said hanger bracket, an outer edge of said bearing portion spaced from an edge of said curved end, said retaining bracket positioned adjacent said hanger bracket and close enough to said curved end to enclose and retain said one of said hanger rods within said hanger bracket opening;
- attachment means for detachably securing said retaining bracket to said hanger bracket.
Dependencies are inferred from the claim text.