(under subclass 35) Apparatus in which the driven earth working element is provided with a guard or baffle means disposed in the path of material thrown from said element generally to intercept said material and alter the course or path of flow thereof to thereby cause said material to be deposited in a position or location other than that which said material would have assumed without said baffle means.
(1) Note. This definition includes hoods or like housings or enclosures against the inner surfaces of which unearthed material from a driven earth working element is impinged to break up clods or lumps of said material.
(2) Note. This definition is intended to take those patents in which the shield or deflector is disposed on or above the original ground surface and performs no earth working function except that incidental to shielding or deflecting the driven earth working element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
32, for screens and the like, placed in the path along which unearthed material emerges from an earth working element to separate constituent portions of said material.
63+, for nondriven tools combined with driven earth working elements which tools may be in the form of hoods or shields provided with ground contacting parts or portions designed to perform an earth working function such, for example, as leveling or further pulverizing the earth proceeding from the driven implement, or breaking or scratching the earth's crust prior to working thereof by said driven earth working elements. 72, for leveling drags or plates which follow the driven earth working element and level or shape the soil redeposited on the earth by said element.
508+, for guards or shields for nondriven earth working elements.
SEE OR SEARCH CLASS
171, Unearthing Plants or Buried Objects,
112, for an unearthing unit provided with a protective guard or casing.