(under subclass 35) Apparatus in which a mechanical drive feature is significantly claimed, such as a gearing, universal coupling, bearing, lubrication means or details of a drive motor.
(1) Note. For classification under this definition a patent must have a claim which contains some detailed description of a particular mechanical drive feature. Thus, the mere nominal inclusion of "a gear", "a universal coupling", "a bearing", etc., will not suffice, while a more specific identification of the drive feature such as "a worm gear", "a double clevis type universal coupling", "a floating roller bearing", etc., will suffice.
SEE OR SEARCH THIS CLASS, SUBCLASS:
103, for a clutch or overload release coupling interposed between an earth working element and a driving means therefor.
105, for mechanical drive features forming part of a specialized drive interposed between an earth working element and a traction and supporting wheel driving the same.
533, for a clutch interposed between a shaft and a rolling nondriven earth working element. SEE OR SEARCH CLASS
171, Unearthing Plants or Buried Objects,
142, for details of a drive for a driven unearthing device.
