John A Greiner

US Patent:

8225828, Jul 24, 2012

Filed:

Dec 11, 2006

Appl. No.:

11/637501

Inventors:

John P. Greiner - Oregon City OR, US

Assignee:

Key Knife, Inc. - Tualatin OR

International Classification:

B27C 1/00
B27C 9/00

US Classification:

144220, 144370, 144235

Abstract:

A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module, providing a conical, solid hub module for mounting one or more chipping knives, and at least one of (a) installing one or more control plates between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.

US Patent:

20120298261, Nov 29, 2012

Filed:

Jun 22, 2012

Appl. No.:

13/531100

Inventors:

John P. Greiner - Oregon City OR, US

International Classification:

B27C 1/14
B23P 15/38

US Classification:

144235, 76115

Abstract:

A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module, providing a conical, solid hub module for mounting one or more chipping knives, and at least one of (a) installing one or more control plates between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.