US PATENT SUBCLASS 172 / 612
FABRIC OR FLEXIBLE TOOL
Current as of: June, 1999
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DEFINITION
Classification: 172/612
(under the class definition) Apparatus comprising a flexible fabric, chain, cable, strand, rope, or wire for engaging the earth.
(1) Note. A flexible fabric may include a plurality of tooth members each tooth or very small goup of teeth being joined to others by pivoted links so as to act like a flexible chain or mat while in earth working use. The fabric may also be a textile material or a flexible metallic mesh or grating member. However, rigid bar members of substantial length carrying a plurality of teeth and connected by hinges or links to adjacent bars or supports are not included. This structure is classified in subclasses 619+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
519, for a rolling tool having a flexible material rim (e.g., rubber).
