| US 7,578,462 B2 | ||
| Mulcher with improved tooth design | ||
| John W. Edwards, Tampa, Fla. (US) | ||
| Assigned to Attachment Technologies, Inc., Cedar Rapids, Iowa (US) | ||
| Filed on Mar. 28, 2007, as Appl. No. 11/727,813. | ||
| Application 11/727813 is a continuation of application No. 10/975410, filed on Oct. 29, 2004, granted, now 7,222,808. | ||
| Claims priority of provisional application 60/515433, filed on Oct. 30, 2003. | ||
| Prior Publication US 2007/0181725 A1, Aug. 09, 2007 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B02C 18/16 (2006.01) | ||
| U.S. Cl. 241—101.77 [241/294; 241/300] | 33 Claims |
| 1. A cutter element for a mulcher apparatus, comprising:
a main body including a rear portion configured to be mounted on a cutter element receiving surface of a holder and a front
portion including at least one cutter tip portion, said rear portion including at least two bores provided in the main body;
a cross bar provided to and extending from the rear portion of the main body, said cross bar being structured to engage with
a notch portion on the holder, said cross bar being positioned between said bores; and
a lateral wing portion provided to each side or end of the cross bar, each lateral wing extending rearwardly beyond the cross
bar, each lateral wing being adapted to be received within side notch portions of the holder.
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