.~> Tool supporting clamp means engage upper and lower edges
DEFINITION
Classification: 172/777
(under the class definition) Apparatus comprising a scraper and an earth working tool which is relatively narrow in a horizontal lateral direction in its intended position of use, the tool being disclosed as mounted on the grading scraper in such fashion that at least the lower earth working portion of said tool extends downwardly beyond the lower edge of the grading scraper to that during operation the scraper supports the tool and (1) the tool is readily removable from the scraper or (2) the tool is movably attached to the scraper so that it may be positioned to work the earth or not work the earth, or the depth of earth penetration may be changed.
(1) Note. The tool must be disclosed as mounted on the transverse blade or moldboard portion of the scraper rather than on the wing portion or some structure which supports the scraper. Such device will be found in subclass 197.
(2) Note. For the meaning of "scraper" see the definition of subclass 781.
(3) Note. A claim to the combination of a scraper and a readily removable depending earth working tool is classified under this definition even if the scraper is claimed by name only as a support for the tool. Also a claim to a tool with some special adaptation for attachment to a scraper is classified under this definition.
(4) Note. Apparatus under this definition is typically used to scarify or break up roadways and may be called a road ripper, dozer scarifier, or the like.
