(under subclass 105) Pushing and pulling implement of the step-by-step traveling bar type in which the relative travel of the bar is produced by one or more reciprocating pawls engaging with the bar.
SEE OR SEARCH THIS CLASS, SUBCLASS:
206, and 237+, for implements or apparatus for tensioning flexible material or extracting stumps or poles which includes a ratchet bar and a driving pawl in their drives.