B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
B27G19/08—Accessories for keeping open the saw kerf, e.g. riving knives or wedge plates
Hacheuse de recolte ou analogue, en particulier hacheuse mobile, comportant un dispositif coupeur et, monte en amont de celui-ci, un dispositif presseur