(under subclass 523) Apparatus provided with a protective obstruction to prevent contact of an extraneous object (such as the hand of an operator) with a part of the machine (such as the cutting tool or blade, per se).
SEE OR SEARCH THIS CLASS, SUBCLASS:
397+, for guard means which moves in coordination or synchronism with the movement of the tool.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
612+, for guards for machine elements.
192, Clutches and Power-Stop Control, 129+, for stop mechanisms.
474, Endless Belt Power Transmission Systems or Components,
144+, for a guard or housing for a belt and pulley drive system.
