Class Information
Number: 172/86
Name: Earth working > With drive means for tool or cleaner > Simultaneously reciprocating and oscillating blade having elongated shank > Transverse chopping type > With plural cranks or cams driving each blade
Description: Apparatus in which the elongated shank portion is driven by plural cranks or eccentric pins or cams which engage the earth working element at points which are spaced along said shank portion.
Patents under this class:
|
