Class 171/83 - LEADING PLOW OR CUTTER WITH CONTIGUOUS, FIXED INCLINED SEPARATOR

Subclass of Class 171 - Unearthing plants or buried objects
Definition: Apparatus which includes an earth cutting or lifting member
No. of patents: 4
Last issue date: 09/12/2006

Number	Title	Issue Date
7104341	Low disturbance deep tillage point Ripper point structure includes a nose with a tapered top that initiates lift and fracture of compacted soil layers. The tapered top with an included angle of about 100 degrees just forward of the parting wear shin creates a parting stress which increases until the ...	09/12/2006
5184916	Beach cleaning machine Beach cleaning machine comprises a self-propelled vehicle carrying a tippable skip and at the front an apron adapted to pivot about an axis perpendicular to the longitudinal axis of the machine. The inclination of the apron can be varied and its lower for...	02/09/1993
4796711	Apparatus for removing plastic film from raised plant beds An apparatus used in agriculture and more specifically to an apparatus for removing the plastic film cover from raised plant beds in which the edges thereof are tucked under soil placed in overlying relation to the downwardly inclined side edges of the pl...	01/10/1989
4129186	Bean puller A bean puller or harvester of the front end carriage mountable type and including driven cutting discs, the cutting discs running in a substantially horizontal plane and running slightly beneath the ground surface. The drive units run the discs in opposit...	12/12/1978

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