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US 4,704,812 AGranted
Scraper pan with cutting blade
OwnerAlvie R. Paramore, Jr.inventor
Life of this patent
Estimating the term…
Abstract
A blade assembly for the cutting edge of a scraper pan type earth mover includes a fixed blade having forward and downwardly projecting cutting teeth and a moveable blade also having cutting teeth, the moveable blade overlying the fixed blade, and power means for reciprocating the moveable blade in a transverse direction.
Claims5
In a scraper pan type earth mover, an improved cutting blade assembly, comprising:
- a fixed blade mountable on the forward edge of said scraper pan, said fixed blade having uniformly spaced, forwardly projecting tapered cutting teeth and guard teeth, said guard teeth being located at the apexes of said cutting teeth, said cutting and guard teeth being spaced from one another to define therebetween a continual, transversely extending channel;
- a moveable blade received within said channel and having forwardly projecting cutting teeth adapted to overly said cutting teeth of said fixed blade;
- and
- means for imparting reciprocating motion to said moveable blade.
1 more element
Dependencies are inferred from the claim text.